Senior Backend Python Developer (AWS Serverless)

Altamira is a software development outsourcing company. We provide solutions that make a tangible impact on our client’s growth and productivity. With domain knowledge across product and technology development, we aim to provide cost-efficient solutions without compromising quality. We are driven to deliver the best, every single time. 

Altamira service delivery teams currently span Slovakia, Ukraine, and the Middle East, and we have ambitions to expand our footprint to meet the growing demand across Europe and into our primary growth markets in the UK and the US. In terms of industry verticals, we are focused on EdTech, Fintech, eCommerce, and Pharma.

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.

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

Asynchronous Programming:

Utilize Python (asyncio, aiohttp) for efficient concurrent task handling in distributed environments

Data Processing Pipelines:

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

Testing, Debugging & Monitoring:

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)

Collaboration & Mentorship:

Work closely with DevOps teams (CI/CD pipelines) and mentor junior engineers

Requirements

Education:

Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field

Experience:

5+ years of Python development experience, including at least 2 years with AWS serverless solutions

Python Expertise:

Strong knowledge of Python, including frameworks and tools such as Flask, FastAPI, Pandas, and PyTest

AWS Serverless:

Hands-on experience with Lambda, API Gateway, DynamoDB, S3, Step Functions, CloudFormation or AWS CDK

Async & Concurrent Programming:

Practical experience with asynchronous programming and parallel task execution

Testing & Debugging:

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)

We respect your time and keep our process clear and human. From the first “hello” to the offer usually takes up to 2 weeks:

A short recruiting call (30 min) 

A technical conversation with our experts (1 hour) 

Client interview (if needed, up to 1 hour) 

Reference check 

Offer and welcome on board 

* Please note that the process may occasionally vary depending on the role or specific project needs.

Why join altamira.ai

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. 

We do believe that the success of altamira.ai is impossible without the success of our Talents and the success of our Clients! ❤️