Collins Nwoko

Senior Software Engineer and technology leader with 6+ years of experience designing, building, and deploying scalable backend systems. Strong expertise in RESTful APIs, microservices, payment integrations, database optimization, and cloud-ready deployment workflows. Experienced in leading engineering teams, mentoring developers, setting technical standards, and turning business requirements into secure, maintainable software systems.

Chief Technology Officer - Boffins Technology

(2025-01)

• Defines and drives the technical vision, architecture strategy, and engineering roadmap for Ubuxa's product ecosystem.
• Established a scalable NestJS backend foundation for secure APIs, modular services, and long-term product growth.
• Architected and deployed RESTful APIs and third-party payment integrations to improve interoperability across core product workflows.
• Optimized PostgreSQL and MongoDB database performance, reducing response times by 40% and improving product reliability.
• Implemented Docker-based containerization and CI/CD workflows, reducing deployment friction and improving release consistency.
• Mentors engineers, leads code reviews, and enforces engineering standards for clean, maintainable, production-ready code.
• Partners with product and QA teams to align technical execution with business goals and deliver high-quality releases.

Software Engineer - Skillz Systems Ltd

(2023-01 - 2025-01)

• Led backend engineers in building NestJS microservices with clean architecture, scalability, and maintainability in mind.
• Designed and deployed RESTful APIs and payment-service integrations that improved system interoperability.
• Optimized PostgreSQL and MySQL queries, reducing response times by 40% across critical application workflows.
• Implemented Docker-based deployment patterns and CI/CD pipelines to streamline development-to-production releases.
• Conducted code reviews, coached junior developers, and introduced team standards that improved consistency and code quality.
• Collaborated with product managers and QA teams to deliver reliable features within Agile sprint cycles.

Fullstack Developer - Ullwebs Technologies

(2023-01 - 2023-12)

Contract

• Built and maintained backend APIs with Node.js and NestJS to support third-party service integrations.
• Improved application security by implementing authentication and authorization flows using JWT and OAuth2.
• Contributed to React frontend applications, ensuring smooth API consumption and reliable user experiences.
• Worked closely with designers and QA teams to deliver production-ready features.

Software Developer - Swaptify Solutions Ltd

(2020-01 - 2022-12)

• Owned backend service design and deployment while helping guide migration from a monolithic structure to Node.js/NestJS microservices.
• Architected and maintained backend services covering authentication, role-based access control, and API integrations.
• Implemented unit and integration tests using Jest, improving test coverage to 85%.
• Coordinated sprint planning and daily standups to support predictable Agile delivery.

Network Support Engineer - Brinq Africa Payment Solutions Ltd

(2016-01 - 2019-12)

• Provided e-business support to commercial banking clients and helped resolve payment-channel issues.
• Supported nationwide POS terminal maintenance, troubleshooting, and operational follow-up.
• Collaborated with technical and business teams to improve service continuity for banking support operations.

Bachelor - Banking and Finance - University of Buea, Cameroon (2014-06)