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Hi, I’m Damika Anupama, a Full-Stack, AI & Web3 engineer building scalable, production-ready apps with modern cloud stacks. I help startups and tech teams ship secure, modern applications using React, Node, FastAPI, and AWS. I am open to freelance or contract work (remote or hybrid).…

Damika Anupama Nanayakara

Full Stack Developer, Web Developer, Back-End Developer, +5

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Hi, I’m Damika Anupama, a Full-Stack, AI & Web3 engineer building scalable, production-ready apps with modern cloud stacks. I help startups and tech teams ship secure, modern applications using React, Node, FastAPI, and AWS. I am open to freelance or contract work (remote or hybrid).…

Available to hire

Hi, I’m Damika Anupama, a Full-Stack, AI & Web3 engineer building scalable, production-ready apps with modern cloud stacks.
I help startups and tech teams ship secure, modern applications using React, Node, FastAPI, and AWS. I am open to freelance or contract work (remote or hybrid).

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Javanese

Advanced

Work Experience

Software Engineer - Machine Learning at SYNERGEN Health

July 1, 2025 - Present

Enhancing OCR project; MySQL database management; Python-fastAPI backend development; AWS services including Lambda, S3, EC2, RDS, SQS; collaborating with cross-functional teams; using tools such as MySQL Workbench, Postman, Git; Atlassian suite; Claude; VPNs.

Contributor at Checker Framework

August 31, 2025 - October 21, 2025

Developed a Java annotation tool to detect compile-time issues related to indices in mutable-length data structures; implemented core components of the checker; created test cases and maintained the user manual; aligned with the existing checker framework codebase.

Software Engineer (Part-Time, Contract) at jahan.ai

February 28, 2025 - October 21, 2025

Django backend and Webix frontend development; working with dev containers, Git workflow, Codecov and Atlassian tools.

Software Engineering Intern at WealthOS Pvt Ltd

May 31, 2024 - October 21, 2025

Worked with TypeScript, React, Node.js, AWS, Git, and Atlassian tools; Optimized AWS Lambda cold starts and package sizes using Webpack and AWS X-Ray; Designed AWS Step Functions to streamline backend workflows, improving efficiency and cost; Refactored a large backend codebase (8,000+ lines) to reduce duplication and improve maintainability; Integrated Snyk DevSecOps for automated security scans; Delivered a full-stack Leave Management System in collaboration with HR.

Software Engineer at LivinBetr Corp. / SmartNURSE Corp

May 31, 2023 - October 21, 2025

Developed and documented Node.js AWS Lambda functions for mobile app backends; Integrated with AWS RDS (MySQL) and monitored performance using AWS CloudWatch.

Software Engineer - Machine Learning at SYNERGEN Health

July 1, 2025 - November 5, 2025

Enhanced OCR pipeline and optimized FastAPI microservices, reducing average response latency by 20%. Designed scalable MySQL data models and batch transaction workflows for high-volume claim processing. Integrated AWS Lambda, S3, RDS, and SQS to enable asynchronous task execution and cost-efficient scaling.

Backend Engineer - Part-Time, Contract at Jahan.ai

February 1, 2025 - February 1, 2025

Developed backend modules and REST APIs using Django, improving response time and modularity. Built dynamic dashboard features with Webix frontend framework, enhancing admin usability and data visualization. Worked in isolated Dev Containers for reproducible environments and consistent deployments.

Software Engineer at Livin Betr Corp. / SmartNurse Corp

May 1, 2023 - May 1, 2023

Developed AWS Lambda functions for mobile app back ends supporting health care data. Integrated with Amazon RDS (MySQL) and monitored API performance using AWS CloudWatch. Wrote clear API documentation and deployment scripts for multi-region environments.

Software Engineer - Internship at Wealth OS Pvt Ltd

May 1, 2024 - May 1, 2024

Refactored 8K+ backend endpoints and optimized AWS Lambda functions via Webpack and X-Ray, improving efficiency by 30%. Designed Step Functions and integrated Snyk DevSecOps for secure, automated workflows. Delivered a full-stack Leave Management System replacing manual HR processes with real-time tracking.