Senior Backend Engineer - Python

Lumenalta; South Africa; Remote; ZAR 1,780,000 - 2,913,000; Full time

Job summary

A tech solutions company is seeking an experienced backend developer for a fully remote position. You will design and maintain scalable backend systems using Python and AWS services, implement microservices, and ensure high reliability. The ideal candidate has 7+ years of experience, especially with GraphQL APIs and cloud infrastructure. Strong communication skills and problem-solving abilities are essential as you'll work independently in a remote team while ensuring effective collaboration across time zones.

Qualifications

• 7+ years of backend development experience with a strong focus on Python.
• Experience building and maintaining GraphQL APIs or RESTful services.
• Strong grasp of data modeling, system design, and distributed systems.
• Familiar with CI/CD and cloud-native development, testing, and performance.

Responsibilities

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

Skills

Backend development

Python

GraphQL

Cloud infrastructure

AWS

CI/CD practices

Problem-solving

Communication

Tools

AWS Lambda

DynamoDB

ECS

S3

Job description

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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

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