Senior Backend Python Developer (AWS Serverless)

About Our Client

Our client offers management consulting services to the healthcare industry, including billing, contract management, and financial advisory. Their platform provides a full suite of financial, case management, and contracting solutions for healthcare providers.

Position Overview

We are looking for a highly skilled Senior Python Developer to join the team and contribute to the development of robust, scalable, and secure serverless applications on AWS . As a key member of the engineering team, you will design and build cloud-native solutions leveraging AWS serverless technologies.

Key Responsibilities

• Serverless Application Development: Design and develop AWS Lambda-based serverless applications and RESTful APIs using frameworks like Flask or FastAPI, integrated with AWS API Gateway.
• Backend Logic & Event-Driven Architectures: Build backend logic using Python for event-driven systems with services like SNS, SQS, and Kinesis; utilize Python (asyncio, aiohttp) for efficient concurrent task handling in distributed environments; design and implement serverless data pipelines using AWS services such as S3, Lambda, and DynamoDB.
• Optimization & Performance: Improve performance and scalability through caching, async calls, and latency optimization; implement unit tests (PyTest) and use tools like AWS CloudWatch and X-Ray for monitoring and troubleshooting.
• Security & Authentication: Apply AWS security best practices (IAM, encryption, VPC) and implement authentication (Cognito, JWT).
• Work closely with DevOps teams (CI/CD pipelines) and mentor junior engineers.

Requirements

• Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field.
• 5+ years of Python development experience, including at least 2 years with AWS serverless solutions.
• Strong knowledge of Python, including frameworks and tools such as Flask, FastAPI, Pandas, and PyTest.
• Hands‑on experience with Lambda, API Gateway, DynamoDB, S3, Step Functions, CloudFormation or AWS CDK.
• Practical experience with asynchronous programming and parallel task execution.
• Strong skills in writing unit tests and debugging complex distributed systems.

Working Conditions

• Time overlap required: at least 4 hours with the New Jersey time zone (9:00 AM – 1:00 PM NJ / 3:00 PM – 7:00 PM CET).

Benefits

• You get fair, competitive pay and real opportunities to grow.
• Fully remote — no commuting, no office constraints.
• We don’t do micromanagement — we do trust, ownership, and support.
• We provide all the tech equipment you need.
• 20 working days of paid vacation, paid sick leave, public holidays, and regular salary reviews.
• A flexible schedule to keep your work‑life balance sane.
• Space to learn, experiment, and bring your ideas to life.