Senior Backend Engineer - Python

Lumenalta; Netherlands; Remote; EUR 70,000 - 90,000; Full time

Job summary

A leading technology company is hiring a Senior Backend Engineer to design and maintain scalable backend systems using Python. This fully remote position requires 7+ years of backend experience and expertise in AWS services such as Lambda and DynamoDB. Strong communication skills and the ability to work independently are essential. Ideal for experienced professionals seeking a challenging role in an innovative team.

Qualifications

• 7+ years of backend development experience, with a strong focus on Python.
• Experience building and maintaining GraphQL APIs or RESTful services.
• Proven experience working with cloud infrastructure – preferably AWS services.

Responsibilities

• Design, build, and maintain scalable backend systems using Python.
• Implement microservices that interact with distributed systems.
• Monitor system performance and help drive improvements in reliability.

Skills

Backend development

Python

GraphQL APIs

AWS Lambda

DynamoDB

ECS

CI/CD practices

Unit testing

Integration testing

Performance testing

Job description

Join to apply for the Senior Backend Engineer - Python role at Lumenalta

2 days ago Be among the first 25 applicants

At Lumenalta, we partner with global enterprises to build and scale high-impact digital products. Our engineering teams work on complex, production-grade systems that power real-world experiences for millions of users.

What You’ll Do

• Design, build, and maintain scalable backend systems using Python, GraphQL, and AWS services
• Implement microservices that interact with distributed systems and cloud infrastructure
• Write robust, testable, and efficient code to support mission‑critical features
• Collaborate with front‑end developers, product managers, and other backend engineers to deliver complete end‑to‑end solutions
• Develop and manage serverless applications using AWS Lambda, DynamoDB, and ECS
• Monitor system performance and help drive improvements in reliability and scalability
• Participate in code reviews, technical design discussion, and sprint planning
• Contribute to automation efforts across CI/CD, testing, and deployment

What We’re Looking For

• 7+ years of backend development experience, with a strong focus on Python
• Experience building and maintaining GraphQL APIs or RESTful services
• Proven experience working with cloud infrastructure – preferably AWS Lambda, DynamoDB, ECS, and S3
• Strong grasp of data modeling, system design, and distributed systems
• Familiarity with CI/CD practices and cloud‑native development
• Experience writing unit, integration, and performance tests
• A pragmatic problem‑solver who can balance shipping with long‑term scalability
• Excellent communication skills and the ability to work independently in a remote team

This is a fully remote position open to candidates based in Europe or regions with compatible time zones. Candidates must maintain a 6‑hour overlap with Eastern U.S. business hours.

This is an evergreen opening with no set deadline; we’re always excited to connect with professionals who want to help us build the future.

Seniority level

• Mid‑Senior level

Employment type

• Contract

Job function

• Engineering and Information Technology

Industries

• IT Services and IT Consulting