Senior Python Developer

At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all. 

Job Description – Python API Developer with AWS & Front-End Experience (React preferred)

Experience: 5–8 years

Location: Colombo, Sri Lanka (GDS)

Role Type: Full-time / Senior Engineer

Overview

We are looking for a highly skilled Python Developer with strong experience in API development, AWS cloud services, and exposure to front-end technologies (preferably React). The ideal candidate will have hands-on experience building scalable backend services, integrating with cloud-native solutions, and contributing to modern front-end applications when required.

Key Responsibilities

•    Develop, optimize, and maintain RESTful APIs using Python frameworks (FastAPI / Flask / Django).

•    Design and implement serverless or microservices-based architectures on AWS.

•    Work with AWS services such as Lambda, API Gateway, S3, DynamoDB, RDS, CloudWatch, IAM, ECS/EKS.

•    Collaborate with front-end teams to integrate APIs with React or similar modern JavaScript frameworks.

•    Participate in solution design discussions, code reviews, and technical documentation.

•    Ensure high-quality deliverables through unit testing, integration testing, and best coding practices.

•    Troubleshoot production issues and support continuous improvement of platform capabilities.

•    Contribute to building reusable components, accelerators, and engineering best practices within the team.

Required Skills & Experience

•    5–8 years of hands-on experience in backend development with Python.

•    Strong experience in API development, authentication, schema design, and best practices.

•    Proficiency with cloud architecture and AWS services (serverless or container-based).

•    Working knowledge of React.js or any modern front-end framework (Angular / Vue / Next.js).

•    Experience with CI/CD pipelines and DevOps tools (GitHub Actions, Jenkins, Docker, Terraform is a plus).

•    Strong understanding of software engineering principles, coding standards, and design patterns.

•    Experience working in Agile delivery models and distributed teams.

•    Good understanding of relational and NoSQL databases.

EY | Building a better working world 

 
EY exists to build a better working world, helping to create long-term value for clients, people and society and build trust in the capital markets.  

 
Enabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate.  

 
Working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today.