Full Stack
Developer

I build digital products with a focus on performance, DX, and a delightful user experience.

Godwin
Jeyasingh

About Me

I'm not just another developer. I'm a passionate problem-solver who turns ideas into reliable, performant products that people love to use.

Things I Know

Languages:

Backend:

Frontend:

Cloud/DevOps:

AI/ML:

Databases & Caching:

Fourkites

•Engineered AI agents using Python, LangGraph and FastApi to automate customer support, processing 1000+ emails daily with 96% accuracy, reducing response time by 80%.
•Implemented RAG pipeline with Qdrant vector database improving AI response accuracy by 40%
•Built LLM evaluation pipelines using DeepEval, benchmarking multiple models on accuracy, relevance, and reasoning metrics, providing actionable insights for continuous improvement
•Used Redis for smart caching and PostgreSQL with partitioning for storage, tracking email status, escalations.

Jan 2024 - Present

Fourkites

•Designed AWS Lambda workflows with S3 events and stream data to Apache Kafka, enhancing real-time tracking for 1M+ transaction
•Modernized the codebase by upgrading from React 16 to React 18 with TypeScript, reducing re-renders by 40% and improving UX
•Deployed and managed Kubernetes pods on AWS and Azure with Terraform, optimizing CI/CD pipelines for 50% faster releases

Jan 2024 - Present

Anoshaya

•Built a modern freelancer marketplace platform using Next.js, Redux for state management, and React Query for efficient data caching
•Used Tailwind for UI/UX to create diverse modules cutting development time by 25%
•Implemented Node.js/Express backend with MongoDB and Stripe API, enabling 100% payment success rate

Oct 2023 - Jun 2024

VNR Matrix

•Engineered a scalable, Java-based booking management system with Spring Boot, successfully processing over 100 daily bookings for 50+ classes.
•Architected REST APIs with Hibernate and PostgreSQL, enabling real-time booking updates across 50+ classes.
•Secured APIs with OAuth 2.0 and rate limiting, mitigating OWASP vulnerabilities.

Aug 2023 - Dec 2023

Training Groups

•Utilized ReactJS to develop Certificate Generator, ensuring a responsive and interactive user interface. Employed Tailwind CSS for efficient styling and customization.
•Integrated EmailJS for seamless email functionality, automating the process of sending certificates to recipients

May 2023

NOOBIE

•Working on various personal projects, experimenting with different technologies and improving my skills.
•Learning programming languages and various tech stacks, and involving in various extra-curricular activities.

Nov 2021 - Jan 2023