Senior Python Backend Developer

Yuppo is an AI-powered child development application designed for parents with children aged 0–6. Backed by a team with a proven track record of building globally respected companies, Yuppo started its journey in Turkey as an ed-tech initiative and is now expanding internationally with a mission to democratize early childhood education. The first six years of life are the most critical for brain development and future success. That’s why we’re building a platform that combines science, technology, and creativity to support families during this foundational stage. If you're excited about building meaningful products, solving real societal problems through technology, and working alongside a talented and passionate team, we’d love to hear from you. yuppo.org 📰 News: Yuppo raises 25M TL to grow its early childhood platform Key Responsibilities Lead the design, development, and maintenance of backend services using Python and FastAPI in a production environment, ensuring code quality and architectural consistency. Own system design decisions, including service architecture, API contracts, scalability strategies, and reliability patterns. Design, optimize, and maintain relational data models using PostgreSQL, including complex query optimization and performance tuning. Deploy, operate, and oversee backend services on AWS, following established infrastructure and deployment patterns while improving cloud architecture where needed. Design and maintain serverless components using AWS Lambda, ensuring scalability and cost efficiency. Oversee backend services running on EC2 and containerized workloads deployed on ECS, ensuring stability and performance. Define and enforce backend best practices, conduct code reviews, and provide technical mentorship to developers. Collaborate closely with frontend and mobile developers to define API specifications, guide integrations, and resolve complex integration issues. Lead monitoring, debugging, and troubleshooting efforts for production systems, including root cause analysis and performance improvements. Identify technical debt and drive architectural improvements to enhance long-term scalability and maintainability. Bonus / Nice to Have Experience in Flutter frontend development. Strong familiarity with CI/CD pipelines, automated deployment processes, and infrastructure-as-code principles. Experience designing scalable, cloud-native backend architectures and distributed systems. Required Demonstrated technical leadership experience with at least 3+ years of professional backend development experience.