
Paul Jeremiah Mugaya
Node.Js, Typescript, Javascript & Golang
Salary / Daily rate
Kraków, Poland
Freelance, open to permanent contract
Can come onsite
Skills
Languages
About me
Intro
I'm a developer who loves building reliable and scalable web applications using Go, and JavaScript. With expertise in Node.js and React.js, I enjoy working across both the frontend and backend to create seamless, high-performing solutions. Writing clean, efficient code and optimizing performance are things I’m genuinely passionate about.
Work experience
Software Engineer
Lunar Logic
Feb 2026 - Present
9 months
Kraków, Poland
Building an AI-powered real estate agent using Node.js, Go, and React, integrating advanced third-party APIs from Anthropic and OpenAI alongside LangChain to enable intelligent property search, recommendations, and conversational user interactions. Collaborating closely with frontend developers and designers to create a clean, intuitive, and user-focused experience, while ensuring scalability, performance, and maintainable architecture across the entire application.
Software Engineer
MpaMpe
Oct 2022 - Mar 2023
6 months
Remote
Developed Node.js microservices and integrated mobile payments to enhance financial access. Built USSD and SMS services for feature phone users, enabling participation in crowdfunding. Designed a robust backend API for seamless communication and efficient data processing. Utilized TypeScript, TypeORM, and PostgreSQL for database management and system reliability. Maintained code quality and system stability with Jest testing
Software Engineer
Creative International Group
Jan 2021 - Dec 2022
2 years
Remote
Developed scalable and efficient web solutions using Node.js and React, including an automated document generation service for seamless and streamlined content creation. Integrated payment systems with local providers to improve transaction reliability and performance, and worked on government system integrations to streamline compliance, data exchange, and service delivery across platforms.
Software Engineer
Vidapi®Freelance
Feb 2022 - Jul 2022
6 months
Remote
Developed a scalable video encoding service for adaptive bitrate streaming (HLS & DASH). Utilized TypeScript, Jest, AWS EC2, S3, ffmpeg for video transcoding and Shaka Packager for playlist generation. Implemented Redis and RabbitMQ for job queuing, Docker for containerization, and MongoDB for job data storage. Built an Express.js REST API to handle encoding requests and manage job processing.
Programmer
Skyline SMS Limited
Jan 2019 - Jun 2022
3 years 6 months
Kampala, Uganda
Developed and maintained scalable SMS delivery solutions using Ruby on Rails and JavaScript, building robust APIs and integrating with the SMPP protocol to ensure fast, secure, and reliable message transmission. Focused on optimizing performance, handling high-throughput messaging, and improving system stability to support consistent and efficient communication services across multiple platforms and clients.
Licenses & certifications
Programming with Google Go
Issued: Feb 2025