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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Skills

Experience Level

JavaScript
Expert
Node.js
Expert
React JS
Expert
CSS
Expert
Docker
Expert
Express
Expert
HTML5
Expert
PostgreSQL
Expert
AWS
Expert
Bootstrap
Expert
MongoDB
Expert
MySQL
Expert
Python
Expert
Django
Expert
Java
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