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Collins Maina

@collinsmaina2

Backend Go engineer building reliable REST APIs, PostgreSQL workflows, and containerized services for business applications.

Kenya

Message

In my remote contract engagements, I designed and implemented Go REST APIs for business applications, with a focus on clear service boundaries and reliable request handling.

I built PostgreSQL data models and transactional workflows, and implemented authentication, validation, and structured error handling. I also containerized services with Docker and supported testing, documentation, and deployment workflows.

In another remote contract engagement, I developed Python and FastAPI endpoints with typed request and response models, PostgreSQL persistence, and modular business logic. My technical work also includes gRPC, Vue 3, Nuxt 3, payment webhooks, messaging integrations, and LLM-enabled features.

Experience

Work history, roles, and key accomplishments

Python Backend Engineer

Remote Contract Engagement

Built REST endpoints with Python and FastAPI, using typed request and response models and automatic API documentation. Integrated PostgreSQL persistence, authentication, and business logic while keeping services modular and testable. Supported containerized development and deployment, debugging, and ongoing API maintenance.

Python fastAPI REST APIs PostgreSQL Authentication Containerization Docker Debugging Maintenance

Backend Engineer

Remote Contract Engagement

Designed and implemented Go REST APIs for business applications, emphasizing clear service boundaries, maintainability, and reliable request handling. Built PostgreSQL data models and transactional workflows; implemented authentication, validation, and structured error handling. Containerized services with Docker and supported testing, documentation, and deployment workflows.