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Hi, I'm Joynal Abedin, a senior fullstack developer with extensive experience in building full-stack products using TypeScript, Node.js, and React. I enjoy solving complex problems with clean and efficient code, and I'm passionate about optimizing system architecture and performance to deliver robust business-critical solutions. Throughout my career, I've helped companies migrate legacy platforms, enhance user experiences, and implement proactive monitoring tools. I also take pride in mentoring junior developers and fostering strong team collaboration. When I'm not coding, I like to stay updated with new technologies and explore innovative ways to improve development workflows.…Hi, I'm Joynal Abedin, a senior fullstack developer with extensive experience in building full-stack products using TypeScript, Node.js, and React. I enjoy solving complex problems with clean and efficient code, and I'm passionate about optimizing system architecture and performance to deliver robust business-critical solutions. Throughout my career, I've helped companies migrate legacy platforms, enhance user experiences, and implement proactive monitoring tools. I also take pride in mentoring junior developers and fostering strong team collaboration. When I'm not coding, I like to stay updated with new technologies and explore innovative ways to improve development workflows.

Joynal Abedin

Full Stack Developer, Developer, Web Developer, +2

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Hi, I'm Joynal Abedin, a senior fullstack developer with extensive experience in building full-stack products using TypeScript, Node.js, and React. I enjoy solving complex problems with clean and efficient code, and I'm passionate about optimizing system architecture and performance to deliver robust business-critical solutions. Throughout my career, I've helped companies migrate legacy platforms, enhance user experiences, and implement proactive monitoring tools. I also take pride in mentoring junior developers and fostering strong team collaboration. When I'm not coding, I like to stay updated with new technologies and explore innovative ways to improve development workflows.…Hi, I'm Joynal Abedin, a senior fullstack developer with extensive experience in building full-stack products using TypeScript, Node.js, and React. I enjoy solving complex problems with clean and efficient code, and I'm passionate about optimizing system architecture and performance to deliver robust business-critical solutions. Throughout my career, I've helped companies migrate legacy platforms, enhance user experiences, and implement proactive monitoring tools. I also take pride in mentoring junior developers and fostering strong team collaboration. When I'm not coding, I like to stay updated with new technologies and explore innovative ways to improve development workflows.

Available to hire

Hi, I’m Joynal Abedin, a senior fullstack developer with extensive experience in building full-stack products using TypeScript, Node.js, and React. I enjoy solving complex problems with clean and efficient code, and I’m passionate about optimizing system architecture and performance to deliver robust business-critical solutions.

Throughout my career, I’ve helped companies migrate legacy platforms, enhance user experiences, and implement proactive monitoring tools. I also take pride in mentoring junior developers and fostering strong team collaboration. When I’m not coding, I like to stay updated with new technologies and explore innovative ways to improve development workflows.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Aragonese

Intermediate

Work Experience

Senior Software Developer at Harver

August 1, 2022 - Present

Migrated critical assessments from legacy platforms, reducing dependency by more than 90% and saving over 100 engineering hours per month. Enhanced user experience and enabled recruiter self-service, reducing admin support reliance by more than 30 hours per week. Upgraded toolchains and removed redundant libraries, cutting build times by 60% and minimizing security vulnerabilities. Created monitoring using CloudWatch and Datadog for proactive platform/API health, and developed tools reducing QA regression time by 60%. Standardized RabbitMQ migration workflows, improving reliability and documentation. Resolved high-risk security vulnerabilities and implemented advanced fraud detection techniques. Improved test coverage by more than 25% and managed daily stand-ups, sprint planning, and junior developer mentorship.

Software Developer at Spectral Energy

July 31, 2022 - July 31, 2025

Engineered robust data ingestion pipelines for IoT sensors, improving reliability and increasing processing speed by 30% for real-time analytics. Developed, deployed, monitored, and managed backend features and applications on Google Cloud Platform (GCP).

Senior Software Engineer at Kotha Technologies Ltd

September 30, 2021 - July 31, 2025

Deployed, monitored, and managed applications on AWS, ensuring consistency with Docker. Implemented monitoring and logging solutions for performance insights. Developed a multi-channel chatbot ecosystem.

Senior Fullstack Developer at Omnikick

June 30, 2020 - July 31, 2025

Translated business needs into well-structured designs and architecture. Developed Omnikick API and SaaS API for dashboard and customer interactions. Created a push service from scratch to distribute millions of web push notifications. Developed automation and scheduler services for background tasks, event processing, and reporting.

Software Engineer at Shimahin Limited

September 30, 2017 - July 31, 2025

Implemented a user dashboard/shopping cart and a multi-vendor shop system. Acted as a code reviewer and mentored junior engineers.

Junior Software Engineer at Sphinx Corporation

February 28, 2017 - July 31, 2025

Implemented eCommerce solutions and microservices. Revised outdated Laravel packages and created themes/plugins for various CMS.