Duby Ernest
@dubyernest
Backend software engineer specializing in Node.js, TypeScript, and scalable APIs.
NigeriaWhat I'm looking for
I am a Backend Engineer with 3+ years building scalable, production-ready server-side applications using Node.js, TypeScript, and Python. I specialize in REST and GraphQL APIs, microservices architecture, and both SQL and NoSQL database design, and I published an open-source npm package (dapbase) with active community adoption.
I combine strong engineering fundamentals with freelance and remote team experience delivering end-to-end backend solutions, mentoring interns, and maintaining production systems with monitoring, testing, and deployment best practices.
Experience
Work history, roles, and key accomplishments
Backend Software Engineer
Self-Employed
Mar 2023 - Present (3 years)
Deliver backend solutions for clients including REST API development, database design, and server-side business logic; manage full project lifecycle from requirements to deployment. Work across Node.js, TypeScript, and Python stacks to produce production-ready services.
Technical Support Assistant
Oluadepe Farms Nigeria Limited
Sep 2022 - Mar 2023 (6 months)
Developed server-side features in JavaScript/TypeScript for farm inventory management, handled error monitoring and debugging in production, and mentored interns to improve engineering practices. Contributed to system reliability and operational support.
Backend Developer Intern
Oluadepe Farms Nigeria Limited
Apr 2022 - Sep 2022 (5 months)
Implemented scalable REST APIs using TypeScript with query optimization to improve response times and collaborated with frontend teams to define API contracts. Wrote maintainable code following SOLID principles.
Education
Degrees, certifications, and relevant coursework
Enugu State University of Science and Technology
Bachelor of Science, Medical Laboratory Science
Bachelor of Science in Medical Laboratory Science at Enugu State University of Science and Technology, degree completion expected in 2025.
Tech stack
Software and tools used professionally
Availability
Location
NigeriaAuthorized to work in
Portfolio
dubemernest.netlify.appSalary expectations
Social media
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