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Chima Chidiebere Sunday

@chimachidieberesunda

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Full-Stack Developer at Earncentive.ltd, building client web applications and integrating payment gateway APIs.

Nigeria

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At Earncentive.ltd, I develop and maintain client web applications, work with designers on responsive interfaces, and integrate third-party APIs, including payment gateways. Comprehensive testing helped reduce the bug rate by 30%.

At Mattys Inc., I led development of the main web application serving 100k+ users and implemented RESTful APIs with Django REST Framework. I also optimized database queries, reducing response time by 40%.

I assisted in building MVPs for three startup projects at One key visa. I’ve also built RiaBot, a personal AI assistant designed to run on Raspberry Pi, along with auto-trading bots, voice-based translators, real-time weather apps, and custom Linux OS environments.

Experience

Work history, roles, and key accomplishments

Current

Full-Stack Developer

Current

Earncentive Ltd

Mar 2025 - Present (1 year 7 months)

Developed and maintained 5+ client web applications, collaborated with designers on responsive UI/UX, integrated third-party APIs including payment gateways, and reduced bug rate by 30% through testing.

Web Development UI UX API Integration Payment Gateways Testing Agile

Senior Developer

One Key Visa

Nov 2025 - Feb 2026 (3 months)

Assisted in building MVPs for 3 startup projects, wrote clean maintainable code, fixed bugs, implemented feature requests, and contributed to technical documentation.

JavaScript Laravel Technical Documentation

Senior Full-Stack Developer

Mattys Inc

Jan 2022 - Jan 2023 (1 year)

Led development of a main web application serving 100k+ users, architected RESTful APIs using Django REST Framework, mentored junior developers, optimized database queries reducing response time by 40%, and implemented CI/CD pipelines.

Django REST Framework REST APIs Database Optimization CI CD GitHub Actions Mentorship

Education

Degrees, certifications, and relevant coursework

Federal University of Technology Owerri

Bachelor of Science, Information Technology

2023 -

Grade: First Class Honors

Pursuing a Bachelor of Science in Information Technology with First Class Honors. Relevant coursework includes Data Structures, Algorithms, Database Systems, and Web Development.