Birathiban Thavarajah

Key Responsibilities & Achievements

Led requirements analysis and system design, collaborating closely with stakeholders and product owners to deliver robust, maintainable solutions aligned with both business and technical goals.

Maintained comprehensive technical documentation, including system workflows, platform usage guides, and onboarding materials.

Designed and implemented microservices architectures and serverless solutions for scalable, modular, and cost-efficient cloud-based systems.

Built, deployed (AWS ECS), and maintained backend APIs using Python (FastAPI, Flask, Django), integrating Okta authentication, Pydantic models, and optimized DynamoDB and SQLAlchemy databases.

Developed dynamic, responsive user interfaces in React and TypeScript, creating reusable components, managing application state efficiently, and applying custom CSS for intuitive user experiences.

Implemented automated testing for Python backends and React UIs using pytest, unittest, React Testing Library, following Test-Driven Development (TDD) practices.

Provisioned, managed, and automated AWS infrastructure using Terraform, ensuring scalable and reliable cloud resource deployment.

Automated CI/CD pipelines with AWS CodePipeline, enabling frequent, reliable, and seamless releases.

Automated GitHub deployment workflows to streamline development cycles and ensure smooth code integration and delivery.

Worked in Agile teams, delivering features in sprints with strong cross-functional collaboration and clear progress tracking.

Produced actionable business insights through data visualization, supporting data-driven decision-making and platform monitoring.

Developed and maintained a secure online banking platform, leveraging React for dynamic front-end interfaces and Java, Python for robust back-end services to ensure seamless user experience and high performance. Developed and maintained GRPC microservices and RESTful APIs using FastAPI to ensure efficient system communication. Collaborated with CACIB Architects to design and implement end-to end software solutions for the bank. Contributed to building an efficient CI/CD pipeline and automated testing using Jest and Cucumber. Managed release cycles, prepared Kubernetes charts for deployment across environments, and ensured smooth delivery. Worked with React to build dynamic user interfaces, ensuring an intuitive and responsive front-end. Focused on troubleshooting, issue resolution, and continuous improvement to maintain system performance. Followed Agile best practices, collaborating with product owners and Subject Matter Experts to refine solutions.