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Services

Engineering, design, and AI services that ship products.

OQTACORE has built deep-tech software since 2013 for fintech, Web3, AI, and enterprise teams. Engagements range from a focused MVP or a single smart contract audit to full product squads delivering frontend, backend, blockchain, AI, DevOps, and security under one roof. Pick the chapter that matches the work you need today and open the specific service to see scope, deliverables, and the team behind it.

Chapter 01 · Full-cycle product engineering, from discovery to scale

End-to-End Development

Hire OQTACORE as the engineering partner who can take a product from idea to production: discovery, architecture, UI, backend, integrations, QA, DevOps, and analytics under one team.

OQTACORE has shipped software for fintech, Web3, AI, and enterprise companies since 2013. Our teams handle the full delivery stack so founders, product leaders, and CTOs do not have to coordinate fragmented vendors.

Pick the service that matches your immediate need below — MVP, custom platform, mobile app, SaaS, APIs, or a dedicated squad — and we will scope an engagement around your goals, constraints, and timeline.

Full-cycle software development services

MVP Development

Launch a focused MVP with product discovery, UX, backend, integrations, analytics, and investor-ready delivery.

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Custom Software Development

Build tailored platforms, internal systems, customer portals, and workflow automation around your exact business model.

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Web Application Development

Create scalable web apps with modern frontend, secure backend architecture, APIs, and deployment automation.

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Mobile App Development

Ship iOS, Android, and cross-platform mobile products with polished UX and production-grade infrastructure.

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SaaS Development

Design subscription SaaS products with multi-tenancy, billing, analytics, admin panels, and scalable cloud architecture.

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API Development & Integration

Develop reliable REST, GraphQL, webhook, and third-party integrations for marketplaces, fintech, Web3, and enterprise systems.

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Backend Development

Engineer secure backend services, databases, queues, jobs, auth, and integrations that keep products stable at scale.

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Frontend Development

Build high-converting, accessible interfaces with React, Next.js, performance optimization, and analytics instrumentation.

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Product Discovery

Turn ambiguous ideas into scoped roadmaps, user journeys, architecture decisions, budgets, and launch milestones.

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Dedicated Development Team

Hire a managed engineering squad with product, design, frontend, backend, QA, DevOps, and delivery leadership.

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Legacy Software Modernization

Modernize brittle systems into maintainable cloud-ready applications without disrupting business operations.

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Enterprise Application Development

Build secure enterprise-grade systems with role-based access, audit trails, integrations, and compliance-aware delivery.

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Chapter 02 · Whitepapers, technical docs, tokenomics, and developer content

Technical Writing

Turn complex software, blockchain, AI, and infrastructure products into credible documentation that investors, partners, customers, and developers can trust.

Strong technical writing reduces the cost of every later sales call, integration, audit, and onboarding. OQTACORE combines hands-on engineering experience with editorial discipline so the writing reflects how the product actually works.

Use this chapter when you need a whitepaper, litepaper, tokenomics design, pitch deck, technical documentation, API reference, or developer content produced to a publication-ready standard.

Technical writing and documentation services

Whitepaper Writing

Investor-grade whitepapers that explain the product, market, technology, token model, and roadmap with credible technical depth.

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Crypto Whitepaper Writing

Token whitepapers covering economics, mechanics, security model, governance, and launch plan for Web3 projects.

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Technical Whitepaper Writing

Long-form technical whitepapers for software, blockchain, AI, and infrastructure products aimed at engineers and decision-makers.

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Litepaper Writing

Concise versions of complex products for early users, communities, partners, and investors.

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Tokenomics Design

Token supply, emissions, vesting, utility, incentives, treasury flows, and launch mechanics for sustainable token products.

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Pitch Deck Writing

Fundraising decks that clarify the problem, product, traction, market, business model, and roadmap.

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Grant Proposal Writing

Ecosystem grant applications with milestone plans, technical scopes, budgets, and outcomes.

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Technical Documentation

User guides, integration docs, configuration references, and onboarding material your customers can actually follow.

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Developer Documentation

Quickstarts, conceptual docs, tutorials, and reference content that help developers ship with your product.

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API Documentation

OpenAPI specs, reference pages, SDK examples, authentication guides, and changelogs for production APIs.

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SDK Documentation

SDK references, install guides, language-specific examples, sample apps, and version migration notes.

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Software Architecture Documentation

Architecture overviews, ADRs, system diagrams, and operational runbooks for engineering teams and auditors.

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RWA Tokenization Whitepaper

Whitepapers covering asset lifecycle, investor onboarding, compliance controls, smart contracts, and settlement.

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DeFi Protocol Documentation

Protocol specs, mechanism explanations, risk disclosures, integration docs, and user-facing guides.

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AI Product Whitepaper

AI product whitepapers covering data strategy, model design, evaluation, governance, and deployment.

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Chapter 03 · Strategy, architecture, product design, and prototyping

Software Innovation

Explore, de-risk, design, and architect new products before committing major budget to development.

Most expensive product mistakes come from skipping discovery, ignoring architecture, or underinvesting in UX. The work in this chapter sharpens product strategy, validates assumptions, and produces an implementation plan that engineering can execute.

Use these services for a new product, a pivot, a platform overhaul, due diligence on an asset you are evaluating, or to bring senior product and architectural thinking into an existing team.

Software innovation and product design services

Chapter 04 · Secure smart contracts for DeFi, tokens, RWA, DAOs, and Web3 apps

Smart Contract Solutions

Design, develop, audit, test, integrate, and operate smart contracts where security, gas efficiency, upgradeability, and business logic all matter.

Smart contracts often control real funds, rights, governance, and reputation. OQTACORE treats them as production software with threat modeling, modular architecture, deterministic tests, launch runbooks, monitoring, and admin controls.

Use this chapter when you need a contract built or audited, an integration into a product, an upgrade plan, or a launch-ready system around tokens, DeFi, RWA, DAOs, or institutional Web3.

Smart contract development and audit services

Smart Contract Development

Design, build, test, and deploy production smart contracts for DeFi, tokens, RWA, payments, DAOs, and Web3 apps.

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Smart Contract Audit

Security review, automated scanning, manual exploit analysis, and remediation guidance before mainnet launch.

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Solidity Development

Solidity engineering for Ethereum and EVM chains: account abstraction, upgradeable contracts, and protocol integrations.

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DeFi Smart Contract Development

AMMs, lending, staking, vaults, derivatives, liquidity incentives, and risk-controlled DeFi protocol modules.

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Token Smart Contract Development

ERC-20, ERC-721, ERC-1155, governance, vesting, utility, and security tokens with launch controls.

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NFT Smart Contract Development

NFT collections, marketplaces, royalties, allowlists, lazy minting, metadata strategy, and multichain drops.

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Smart Contract Integration

Connect contracts to wallets, indexers, dashboards, custodians, backends, oracles, payment rails, and compliance systems.

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Upgradeable Smart Contracts

Proxy architecture, governance controls, migration plans, storage layout safety, and operational runbooks.

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Smart Contract Testing

Unit, integration, fuzz, invariant, fork, simulation, and gas regression testing for high-stakes contracts.

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Smart Contract Security

Threat modeling, secure architecture, exploit prevention, monitoring, incident response, and launch readiness.

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DAO Smart Contract Development

Governance tokens, proposals, voting, delegation, treasury controls, timelocks, and multisig workflows.

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Staking Smart Contract Development

Single-sided staking, LP staking, rewards accounting, vesting, slashing, boost mechanics, and admin controls.

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Vesting Smart Contract Development

Investor, team, advisor, community, and ecosystem vesting contracts with cliffs, schedules, and claim portals.

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RWA Tokenization Smart Contracts

Permissioned tokens, lifecycle controls, compliance hooks, investor registries, cap tables, and settlement logic.

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Cross-Chain Smart Contract Development

Bridge-aware contracts, omnichain tokens, message verification, liquidity flows, and multichain launch strategy.

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Chapter 05 · Wallets, exchanges, DApps, tokenization, custody, and chain-specific builds

Blockchain Engineering

Build blockchain products that connect protocol logic, off-chain services, wallets, data indexing, compliance, UX, and secure infrastructure — across the chains your users actually live on.

OQTACORE delivers blockchain products end-to-end and ships on the specific chain that matches your users, regulatory needs, and economics. We work across Bitcoin, Ethereum, Solana, TON, Tron, Polkadot, Cosmos, Hyperledger Fabric, Starknet, and most major Layer-2s.

Pick a generic capability (wallet, exchange, marketplace, tokenization platform, custody) or a chain-specific service to see exactly how we engineer for that ecosystem.

Blockchain engineering and Web3 development services

Blockchain Development

Build blockchain networks, protocols, integrations, wallets, data services, and production Web3 applications.

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DApp Development

Decentralized applications with wallet flows, smart contracts, indexers, UX, backend services, and analytics.

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Crypto Wallet Development

Custodial, non-custodial, MPC, mobile, browser, and enterprise wallets with secure transaction flows.

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Crypto Exchange Development

CEX, DEX, brokerage, liquidity, matching, market data, custody, and compliance-enabled exchange systems.

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RWA Tokenization Platform Development

Platforms for tokenized funds, real estate, debt, commodities, invoices, and private assets.

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NFT Marketplace Development

NFT marketplaces with minting, trading, auctions, royalties, creators, wallets, and indexing.

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Web3 Game Development

Wallets, on-chain assets, token rewards, marketplaces, on-chain mechanics, and scalable game backends.

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DeFi Development

DeFi applications, vaults, staking, lending, swaps, LP tools, risk dashboards, and integrations.

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Blockchain Consulting

Use case selection, architecture, compliance, chain choice, economics, and delivery roadmap.

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Web3 Integration

Connect existing products to wallets, tokens, contracts, on-chain data, identity, payments, and custody.

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Private Blockchain Development

Permissioned networks for enterprises, settlement, supply chains, audit trails, and regulated workflows.

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Digital Asset Custody Platform Development

MPC, policy, approvals, wallets, asset operations, reconciliation, and institutional custody workflows.

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Bitcoin Development

Build production-grade applications, smart contracts, integrations, and operations on Bitcoin.

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Ethereum Development

Build production-grade applications, smart contracts, integrations, and operations on Ethereum.

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Solana Development

Build production-grade applications, smart contracts, integrations, and operations on Solana.

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TON Development

Build production-grade applications, smart contracts, integrations, and operations on TON (The Open Network).

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TRON Development

Build production-grade applications, smart contracts, integrations, and operations on TRON.

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Polygon Development

Build production-grade applications, smart contracts, integrations, and operations on Polygon.

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BNB Chain Development

Build production-grade applications, smart contracts, integrations, and operations on BNB Chain (BSC and opBNB).

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Avalanche Development

Build production-grade applications, smart contracts, integrations, and operations on Avalanche.

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Polkadot Development

Build production-grade applications, smart contracts, integrations, and operations on Polkadot.

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Cosmos SDK Development

Build production-grade applications, smart contracts, integrations, and operations on Cosmos SDK and IBC.

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Hyperledger Fabric Development

Build production-grade applications, smart contracts, integrations, and operations on Hyperledger Fabric.

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Corda Development

Build production-grade applications, smart contracts, integrations, and operations on R3 Corda.

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Starknet Development

Build production-grade applications, smart contracts, integrations, and operations on Starknet.

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Arbitrum Development

Build production-grade applications, smart contracts, integrations, and operations on Arbitrum (One, Nova, Orbit).

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Base Development

Build production-grade applications, smart contracts, integrations, and operations on Base.

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Aptos Development

Build production-grade applications, smart contracts, integrations, and operations on Aptos.

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Sui Development

Build production-grade applications, smart contracts, integrations, and operations on Sui.

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NEAR Development

Build production-grade applications, smart contracts, integrations, and operations on NEAR Protocol.

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Cardano Development

Build production-grade applications, smart contracts, integrations, and operations on Cardano.

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zkSync Development

Build production-grade applications, smart contracts, integrations, and operations on zkSync (Era and Lite).

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Stellar Development

Build production-grade applications, smart contracts, integrations, and operations on Stellar.

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Chapter 06 · Bank-grade settlement, custody, compliance, tokenization, and private DLT for regulated institutions

Digital Asset Infrastructure

Help banks, asset managers, market infrastructure operators, and regulated fintechs move digital asset programs from pilot to production — with custody, compliance, governance, settlement, and tokenization designed as one operating control layer.

Most digital asset programs do not stall on the smart contract side. They stall when custody, compliance, governance, and core-system integration are treated as afterthoughts. OQTACORE delivers digital asset infrastructure where those layers are designed first, then wired into a tokenization or settlement product on top.

Use this chapter when you are building tokenized deposits, on-chain settlement rails, an MPC or HSM-backed custody platform, an RWA tokenization engine, an AML and Travel Rule compliance toolkit, or a private DLT network — and need a partner who has integrated bank-grade controls before.

Digital asset infrastructure for banks and regulated institutions

Digital Asset Infrastructure Consulting

Architecture review and roadmap for banks, asset managers, and fintechs moving from digital asset pilots to production custody, settlement, and tokenization.

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Tokenization Engine Development

Bank-grade tokenization platform with issuer modules, identity registries, lifecycle automation, custody hooks, and compliant transfer rules for real-world assets.

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Tokenized Deposits Infrastructure

Bank-issued digital cash with mint, transfer, and redeem flows wired to the core ledger, treasury workstation, and DvP settlement.

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Digital Settlement Layer Development

On-chain settlement architecture for banks, neobanks, and PSPs — wallet controls, governance, network connectors, and core-banking reconciliation.

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Stablecoin Settlement Infrastructure

External stablecoin rails for B2B payments, treasury, and cross-border flows with screening, Travel Rule packaging, and ERP reconciliation.

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Institutional Digital Asset Custody

Bank-grade custody architecture combining MPC, HSM, policy engines, segregated wallets, and approval workflows for production digital asset operations.

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MPC Custody Integration

Integrate Fireblocks, BitGo, Taurus, or Copper-class platforms into core banking, treasury, and payment systems with the right policy and governance layer.

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Hybrid MPC + HSM Custody Architecture

Hybrid signing architecture for high-value digital asset operations with dual-control workflows, cold storage boundaries, and smart contract lifecycle controls.

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Wallet Orchestration Platform Development

Hot, warm, and cold wallet orchestration with omnibus structures, segregation, RBAC, whitelists, velocity rules, and reconciliation across products.

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Private Blockchain Infrastructure

Permissioned DLT for banks and consortia — governance, identity, privacy, node operations, and integration to core systems on Corda, Besu, Quorum, Canton, or Fabric.

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Bank Blockchain Integration

Connect blockchain settlement, custody, and tokenization layers to core banking, treasury workstations, payment hubs, and ERP — with audit-ready logging.

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Digital Asset Compliance Toolkit

Unified compliance layer for digital assets — KYC and KYB linked to wallet ownership, AML monitoring, sanctions screening, governance approvals, and regulator-ready reporting.

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AML Transaction Monitoring Integration

Integrate Chainalysis, Elliptic, or TRM Labs into the bank AML stack with multi-hop tracing, wallet risk scoring, alerts, and case management workflows.

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Travel Rule Compliance Solution

Travel Rule payload packaging, counterparty discovery, message routing, and execution alignment for regulated transfers across jurisdictions.

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Digital Asset Audit Trail Platform

Unified audit layer correlating identity, policy decisions, signing events, and on-chain hashes into one regulator-ready trail across fiat and blockchain rails.

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DvP Settlement Development

Delivery-versus-payment settlement workflows linking tokenized assets to digital cash legs — atomic, conditional, and reconciliation-friendly.

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Chapter 07 · Agentic AI for operations, sales, support, research, and on-chain workflows

AI Agents

Build AI agents that plan, use tools, retrieve knowledge, and take action inside your products and operations — voice, browser, code, support, sales, research, and on-chain.

Agentic AI is moving from demos to production. OQTACORE designs agents that integrate with real systems, follow business rules, escalate to humans when needed, and produce measurable outcomes.

This chapter covers agent frameworks (LangGraph, CrewAI, AutoGen, Mastra), Model Context Protocol (MCP) integrations, voice agents (LiveKit, Vapi, Retell), browser and computer-use agents, coding agents, vertical agents, and on-chain agents.

AI agent development services

AI Agent Development

Plan, build, and deploy AI agents that take action across your tools, data, and workflows.

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Multi-Agent System Development

Coordinated agent teams with planning, delegation, memory, and supervision for complex tasks.

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Autonomous AI Agents

Long-running agents that plan, retry, recover, and execute multi-step business workflows with minimal human oversight.

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Voice AI Agents

Real-time voice agents for sales, support, scheduling, and operations using LiveKit, Vapi, Retell, and custom stacks.

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Coding AI Agents

Software engineering agents that read code, plan changes, run tests, and ship pull requests inside your repos.

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Browser-Use AI Agents

Agents that operate web browsers and desktop software to automate workflows that have no API.

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Computer-Use AI Agents

Desktop and OS-level agents using Claude Computer Use, OpenAI Operator, and equivalent runtimes.

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Customer Support AI Agents

Tier-1 deflection, ticket triage, knowledge-grounded answers, and human handoff inside Zendesk, Intercom, and Salesforce.

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Sales AI Agents (SDR)

Outbound research, personalized outreach, qualification, and meeting booking driven by AI agents.

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Recruiting AI Agents

Sourcing, outreach, screening, and scheduling agents integrated with your ATS.

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Deep Research AI Agents

Long-horizon research agents that synthesize sources, validate claims, and produce structured reports.

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On-Chain AI Agents

Agents that hold wallets, execute on-chain actions, and operate inside Web3 protocols using frameworks like Eliza.

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MCP (Model Context Protocol) Integration

Build and integrate Model Context Protocol servers and clients so agents can use your data and tools securely.

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AI Agent Orchestration

Production orchestration with LangGraph, CrewAI, AutoGen, Mastra, and custom runtimes.

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RAG Development

Retrieval-augmented generation systems with hybrid search, chunking, evaluation, observability, and access control.

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LLM Integration

Integrate OpenAI, Anthropic, Google, open-source, and self-hosted models into existing products.

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Generative AI Development

LLM-powered features and products with prompts, tools, retrieval, evaluation, and guardrails.

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AI Chatbot Development

Knowledge-grounded chatbots for support, sales, onboarding, and internal operations.

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Agentic Workflow Automation

Replace fragile RPA and Zapier-style flows with AI agents that handle exceptions and adapt to context.

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Chapter 08 · Hardcore machine learning, deep learning, MLOps, and applied AI

AI/ML Development

Design, train, deploy, and operate machine learning systems where data quality, model performance, infrastructure, and ongoing monitoring all matter.

OQTACORE builds ML systems for teams that need real model performance, not just demos: deep learning, computer vision, NLP, predictive analytics, recommenders, time-series forecasting, anomaly detection, and reinforcement learning.

Use this chapter when you need senior ML engineering, MLOps, data engineering for ML, or AI strategy and governance grounded in production reality.

AI and machine learning development services

Machine Learning Development

End-to-end ML systems from data pipelines and feature engineering to training, evaluation, deployment, and monitoring.

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Deep Learning Development

Custom neural network development for vision, language, audio, and multimodal use cases.

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Computer Vision Development

Image, video, OCR, detection, inspection, and biometric systems for production environments.

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NLP Development

Text classification, extraction, summarization, semantic search, entity recognition, and language workflows.

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MLOps Services

CI/CD for models, experiment tracking, feature stores, deployment, drift detection, and reliability.

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Predictive Analytics

Forecasting, churn, fraud, risk, pricing, and behavior models with measurable performance.

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Recommendation Engine Development

Personalization and recommendation systems for ecommerce, media, fintech, and SaaS products.

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Time Series Forecasting

Demand, capacity, energy, financial, and operational forecasting with classical and deep learning approaches.

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Anomaly Detection

Real-time anomaly detection for fraud, fault, security, and operational monitoring use cases.

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Reinforcement Learning Development

Custom RL systems for control, optimization, robotics, trading, and adaptive product behavior.

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Data Engineering for ML

Pipelines, lakehouses, feature stores, labeling workflows, and governance for production ML.

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ML Model Optimization

Quantization, distillation, pruning, and serving optimization for cost-effective inference at scale.

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Enterprise AI Consulting

Strategy, data readiness, model selection, governance, ROI, and roadmap for enterprise AI adoption.

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AI Governance

AI risk controls, evaluation, data privacy, human-in-the-loop, model monitoring, and audit-ready processes.

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Chapter 09 · Infrastructure, reliability, automation, security, and compliance

Cloud, DevOps & Cybersecurity

Create the secure cloud and delivery foundation products need to scale: DevOps, Kubernetes, CI/CD, SRE, cybersecurity, compliance, and cost optimization.

Software cannot generate revenue if it cannot deploy reliably, scale safely, protect data, recover from incidents, or prove compliance. OQTACORE builds the infrastructure and security foundations that make growth sustainable.

Use this chapter when you need cloud migration, DevOps and SRE, Kubernetes, IaC, application security, penetration testing, compliance automation, or cloud cost optimization.

Cloud DevOps and cybersecurity services

DevOps Services

Automate delivery pipelines, environments, observability, release workflows, and developer experience.

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Cloud Migration

Move applications, databases, workloads, and infrastructure to AWS, Azure, or Google Cloud with minimal downtime.

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AWS Development

Build secure, scalable AWS applications and infrastructure with serverless, containers, databases, and observability.

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Kubernetes Consulting

Design, migrate, optimize, and operate Kubernetes clusters, workloads, networking, and deployment systems.

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CI/CD Pipeline Development

Reliable build, test, security scan, deployment, rollback, and release automation pipelines.

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Infrastructure as Code

Cloud environments managed with Terraform, Pulumi, GitOps, policy-as-code, and repeatable patterns.

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Site Reliability Engineering

SLIs, SLOs, incident response, monitoring, capacity planning, and resilience testing for production systems.

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Cybersecurity Services

Assess and improve application, cloud, infrastructure, identity, and operational security posture.

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Penetration Testing

Find exploitable weaknesses across applications, APIs, cloud systems, networks, and authentication flows.

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Application Security

Secure SDLC, code review, threat modeling, dependency scanning, and runtime defenses.

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Compliance Automation

Automate evidence collection, controls, reporting, and readiness for SOC 2, ISO 27001, GDPR, and fintech compliance.

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Cloud Cost Optimization

Reduce cloud spend with architecture review, rightsizing, autoscaling, storage optimization, and FinOps reporting.

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