Senior Back End Developer

Are you a Backend Engineer with strong Python and AWS experience who enjoys building systems that sit at the core of multiple products?This role sits within a central application platform powering a suite of enterprise-grade applications. This platform underpins how teams deliver micro-frontend applications at scale, handling authentication, APIs, and shared infrastructure across the board.You’ll be working in a high-impact environment where the work you do directly improves how multiple teams build, deploy, and run their applications.Your Role as a Senior Backend Engineer:You will be part of a central platform team, building and evolving Python-based microservices that are used across multiple applications.This role goes beyond feature delivery - you’ll be solving platform-level challenges around performance, scalability, authentication, and reliability, working across teams to ensure everything runs smoothly.You’ll have visibility across the system and the opportunity to influence how the platform evolves.What You’ll Do:Design, build, and maintain scalable Python-based microservicesEnhance and evolve a custom API Gateway used across the platformOptimise performance, including implementing effective caching strategies (Redis)Work closely with frontend teams delivering microfrontend applications (Angular, React, Vue, Flutter)Implement and support secure authentication and authorization flows (Entra ID / OAuth2 / OIDC)Troubleshoot and resolve complex, cross-system issues impacting multiple applicationsContribute to cloud-native solutions in AWS, improving scalability and reliabilityCollaborate with DevOps teams on CI/CD, monitoring, and platform improvementsContinuously improve system design, performance, and developer experience across the platformWhat You’ll Bring:Strong Python backend development experienceSolid experience working with AWS (EC2, RDS, Lambda, API Gateway, IAM or similar)Hands-on experience with microservices architecturesStrong understanding of RESTful APIs and distributed systemsExperience with PostgreSQL and data modellingFamiliarity with Redis or similar caching technologiesUnderstanding of authentication and authorization (OAuth2, OIDC, Entra ID or similar)Experience debugging and improving complex systemsProactive mindset with the ability to take ownership and drive improvementsWhy Join the Remobi community:Fully remote, b2b/freelance contractsOpportunity to work on a central platform with wide-reaching impactAccess to a network of experienced engineering professionals across Europe👉 Apply today:If you enjoy working on systems that other teams depend on and want to influence how a platform scales and evolves, apply now!