Senior Backend Engineer - Python

**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 Latin America (LATAM). While location is flexible, candidates must be willing to maintain at least a 6\-hour overlap with core business hours, which are primarily aligned with the Pacific, Central, or Eastern U.S. time zones to ensure effective collaboration with project teams. **Application Deadline** This role is an evergreen position with no predetermined start date. Applications will be accepted until **February 27, 2026** . As we continue to build our talent pipeline, the position may be reposted to allow us to connect with additional qualified professionals.