David Inyang-etoh

David Inyang-etoh

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Software Engineer | Full-stack Engineer (NodeJs, Javascript, Typescript, ReactJs, AWS Serverless) at Receeve interested in building for healthcare, finance a...
Uyo, Akwa Ibom, Nigeria

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Résumé


Jobs verified_user 0% verified
  • C
    Lead Software Engineer
    Collectwire
    Jan 2025 - Current (1 year 10 months)
    • Led a team of 4 engineers to design and deliver a global payroll SaaS MVP built with 8 event-driven microservices, successfully launching the beta within 7 months.
    • Reduced AWS infrastructure costs by over 60% through CDK migration, resource optimization, and right-sizing compute workloads.
    • Improved team delivery velocity by 3× using AI-assisted tools (Cursor, Claude) for documentation, code reviews, and architectural planning.
    • Implemented a multi-tenant API design and caching layer (RTK Query + Redis), cutting redundant frontend API calls by nearly 80%.
    • Championed best practices in TypeScript, DDD, and CQRS, establishing coding standards and review processes across services.
  • r
    Senior Software Engineer (Node.js/AWS)
    receeve
    Jan 2023 - Sep 2024 (1 year 9 months)
    • Modernized a core orchestration engine by migrating from a monolith to serverless AWS Lambda services, improving execution speed and scalability.
    • Designed a CQRS + GraphQL gateway architecture, reducing API latency by 35% and improving query efficiency across distributed services.
    • Integrated OpenAI APIs to automate payment summaries and risk insights, reducing manual review time and improving customer engagement.
    • Introduced Infrastructure as Code with AWS CDK and GitHub Actions, achieving 99.9% deployment reliability and fully automated multi-env releases.
    • Collaborated cross-functionally with data and product teams to ensure consistent delivery and observability in production systems.
  • Immutable
    Full Stack Software Engineer (Node.js/React)
    Immutable
    Sep 2021 - Nov 2022 (1 year 3 months)
    • Led the revamp of the NFT checkout and payment flow, integrating fintech payment options and improving wallet UX for smoother digital asset purchases.
    • Designed and implemented Wallet and Order microservices using NestJS, Kafka, and PostgreSQL, ensuring consistent and fault-tolerant transaction processing.
    • Built Redis-based distributed locking (Redlock) to prevent duplicate NFT minting in concurrent transactions, improving reliability under high load.
    • Automated containerized deployments on AWS ECS with CloudFormation, improving release stability and developer velocity.
    • Contributed to Solidity smart contract updates, ensuring secure on-chain asset transfers and compatibility with evolving platform standards.
  • S
    Software Engineer / Co-Founder
    Nov 2019 - Jun 2021 (1 year 8 months)
    • Co-founded and architected a multi-currency digital wallet powered by a distributed PostgreSQL ledger, supporting over 10,000 active users.
    • Integrated Paystack and Flutterwave for seamless bank transfers, reconciliation, and webhook-based payment verification.
    • Established team standards and code reviews, mentoring junior developers and scaling the engineering team from 3 to 7 members.
    • Implemented early analytics and transaction monitoring dashboards for business reporting and fraud detection.
  • F
    Full-Stack Engineer (Laravel/Node.js/Vue.js)
    Jan 2017 - Oct 2019 (2 years 10 months)
    • Developed an automated timesheet and payroll system integrated with Twilio SMS/Voice APIs, reducing manual entry and improving accuracy for 500+ employees.
    • Built and maintained Inventory, POS, and Digital Wallet APIs for a multi-tenant SaaS platform with granular role-based access control.
    • Refactored a legacy ticketing platform from monolithic to modular architecture, improving maintainability and release cycles.
    • Collaborated with UI/UX teams to modernize frontends using Vue.js and streamline API integrations with backend services.
Education verified_user 0% verified
  • University of Port Harcourt
    B.Eng Mechanical Engineering
    University of Port Harcourt
    Jan 2005 - Jan 2012 (7 years 1 month)
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