Job Description
We are looking for a senior Backend developer to work on a production-level platform and take ownership of complex technical challenges across the stack. This role requires strong engineering skills, a solid sense of clean backend architecture, and an eye for smooth, elegant user experience. The system is already live and actively used, so we are seeking someone with real-world, senior-level experience. This is not a junior or learning position. Only developers with proven production experience should apply.
Responsibilities • Analyze and understand existing frontend, backend, database, and automation logic • Design, review, and improve backend architecture for clarity, scalability, and maintainability • Diagnose and resolve complex bugs affecting performance, stability, or data flow • Improve system structure, code quality, and long-term maintainability • Optimize backend services and database usage (Supabase/Postgres) • Review, maintain, and improve n8n workflows and integrations • Refine backend behavior to ensure smooth interactions, clear feedback, and intuitive flows • Propose and implement improvements that enhance both backend robustness and user experience • Communicate technical findings, architectural decisions.
Requirements • Strong expertise in Spring Boot, Node.js nad n8n automation • Solid understanding of backend architecture principles (modularity, separation of concerns, scalability) • Strong experience with Supabase and Postgres (authentication, schema design, performance optimization) • Experience working with n8n for automation and integrations • Excellent debugging, analysis, and problem-solving skills • Ability to quickly understand and improve large, existing codebases • Clear and professional communication Nice to Have • Experience designing or refactoring large backend systems • Cloud deployment and infrastructure experience • Security, data integrity, and performance optimization background • Experience collaborating closely with product and design teams Important We are intentionally looking for senior developers who care about how systems are structured, not just whether they run.
If your experience is mainly tutorial-based, academic, or limited to small projects, this role will not be a good fit. Please include: • A brief summary of your experience with the listed technologies • Examples of backend architecture or system improvements you’ve implemented in production • Your approach to improving backend structure and user experience in large, unfamiliar codebases Apply tot his job