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Backend Engineer

APIs · Node.js · Security · Blockchain Integration

Summary

Backend-focused engineer with experience designing and integrating REST APIs, smart contracts, and secure services. Built blockchain micro-transaction and DAO platforms; implemented CI/CD with automated testing and security scanning. Security-first: input validation, access control, and dependency risk reduction across the stack.

Skills

  • • Node.js, REST APIs, API design and integration
  • • Smart contracts & wallet/API integration (Hedera, ICP, Lisk)
  • • Authentication, rate limiting, input validation, access control
  • • CI/CD pipelines (GitHub Actions), automated testing & security scanning
  • • Docker, dependency & container scanning (Snyk, Trivy)
Node.jsREST APIsSmart ContractsCI/CDDockerSecurityGitHub Actions

Experience

Frontend & Blockchain Developer · Freelance / Independent · 2022 – Present

  • • Built blockchain micro-transaction platform: secure APIs, Hedera smart contracts; scalable, low-cost token transactions and backend services.
  • • Developed DAO management backends on ICP and Lisk: governance logic, treasury, and live data APIs for frontend dashboards.
  • • Integrated wallet authentication, smart contracts, and REST APIs into secure, well-documented backend services.
  • • Implemented CI/CD pipelines with automated testing and security scanning to improve reliability and deployment safety.

Education

Bachelor's Degree in Civil Engineering

Technical University of Kenya · 2024

Strong analytical foundation, problem-solving, and systems thinking applied to software engineering.

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