I'm a full-stack developer with a track record delivering scalable, secure apps in fintech and waste-management contexts. I specialize in React and Node.js, with strong practices in Agile, containerization with Docker, and cloud platforms like AWS to accelerate delivery and improve security. I enjoy collaborating with cross-functional teams to optimize databases, deployment pipelines, and user experience, turning complex requirements into robust, maintainable solutions that scale with business needs.

David Opare-Ayisi

I'm a full-stack developer with a track record delivering scalable, secure apps in fintech and waste-management contexts. I specialize in React and Node.js, with strong practices in Agile, containerization with Docker, and cloud platforms like AWS to accelerate delivery and improve security. I enjoy collaborating with cross-functional teams to optimize databases, deployment pipelines, and user experience, turning complex requirements into robust, maintainable solutions that scale with business needs.

Available to hire

I’m a full-stack developer with a track record delivering scalable, secure apps in fintech and waste-management contexts. I specialize in React and Node.js, with strong practices in Agile, containerization with Docker, and cloud platforms like AWS to accelerate delivery and improve security.

I enjoy collaborating with cross-functional teams to optimize databases, deployment pipelines, and user experience, turning complex requirements into robust, maintainable solutions that scale with business needs.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
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Language

English
Fluent

Work Experience

Full-Stack Developer at Nerasol Ghana Limited
January 1, 2023 - Present
Developed the NeraPay digital payment platform using React and Node.js within an Agile environment, integrating PostgreSQL and MongoDB for secure transaction processing, which increased transaction volume by 20%. Architected and optimized PostgreSQL database schemas for waste management systems, reducing query execution time by 25% and enhancing real-time data processing. Collaborated with a team of 6 developers in agile workflows, contributing to Nerasol's Software Provider of the Year award at GITTA 2022 and actively engaging in technical discussions to refine project deliverables.
Full-Stack Developer at PalmPay Ghana
December 1, 2022 - October 4, 2025
Built and maintained fintech features for PalmPay’s platform, serving over 5 million users with robust data management using React, Node.js, MySQL, and MongoDB while adhering to agile best practices. Optimized MySQL database queries to reduce payment processing latency by 15%, thereby improving mobile banking user experience. Established CI/CD pipelines with Docker and Git, shortening deployment cycles by 30% and ensuring 99% uptime for high-traffic services while resolving technical issues in a dynamic environment.
Full-Stack Developer at Nerasol Ghana Limited
January 1, 2023 - Present
Developed the NeraPay digital payment platform using React and Node.js within an Agile environment, integrating PostgreSQL and MongoDB for secure transaction processing, increasing transaction volume by 20%. Architected and optimized PostgreSQL database schemas for waste management systems, reducing query execution time by 25% and enhancing real-time data processing. Collaborated with a team of 6 developers in agile workflows, contributing to Nerasol's Software Provider of the Year award at GITTA 2022 and actively engaging in technical discussions to refine project deliverables.
Full-Stack Developer at PalmPay Ghana
December 1, 2022 - October 4, 2025
Built and maintained fintech features for PalmPay’s platform, serving over 5 million users with robust data management using React, Node.js, MySQL, and MongoDB while adhering to agile best practices. Optimized MySQL database queries to reduce payment processing latency by 15%, thereby improving mobile banking user experience. Established CI/CD pipelines with Docker and Git, shortening deployment cycles by 30% and ensuring 99% uptime for high-traffic services while resolving technical issues in a dynamic environment.

Education

Bachelor of Science in Computer Science at University of Ghana, Legon, Accra, Ghana
September 1, 2016 - May 1, 2020
Bachelor of Science in Computer Science at University of Ghana, Legon
September 1, 2016 - May 1, 2020

Qualifications

Add your qualifications or awards here.

Industry Experience

Financial Services, Software & Internet, Other, Professional Services
    paper Visitor management system

    It’s used to manage the day to day affairs of a company visiting audience. Schedule meetings, check in and check out, delivery and books of meeting rooms