Senior Backend Engineer - Python
Posted 1 day ago by Lumenalta
Negotiable
Undetermined
Remote
United Kingdom
Summary: The Senior Backend Engineer at Lumenalta will design, build, and maintain scalable backend systems primarily using Python, GraphQL, and AWS services. This role involves implementing microservices, collaborating with cross-functional teams, and contributing to automation efforts. The position is fully remote, targeting candidates in Europe or compatible time zones, with a requirement for a 6-hour overlap with Eastern U.S. business hours. The company seeks experienced professionals with a strong focus on backend development and cloud infrastructure.
Key Responsibilities:
- 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 discussions, and sprint planning
- Contribute to automation efforts across CI/CD, testing, and deployment
Key Skills:
- 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
Salary (Rate): undetermined
City: undetermined
Country: United Kingdom
Working Arrangements: remote
IR35 Status: undetermined
Seniority Level: Senior
Industry: IT
What We’re Working On 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 discussions, 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. To ensure effective collaboration with our client and team, 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.