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.