<h3><strong>About us:</strong></h3> <p> </p> <p>Talent has no borders. Proxify's mission is to connect top developers around the world with opportunities they deserve. So, it doesn't matter where you are; we are here to help you fast-track your independent career in the right direction. 🙂</p> <p>Since our launch, Proxify's developers have successfully worked with 1200+ happy clients to build their products and growth features. 5000+ talented developers trust Proxify and its network to fulfill their dreams and objectives.</p> <p>Proxify is shaped by a global network of supportive, talented developers interested in remote full-time jobs. Our Glassdoor (4.5/5) and Trustpilot (4.8/5) ratings reflect the trust developers place in us and our commitment to our members' success.</p> <p> </p> <h3><strong>The Role:</strong></h3> <p> </p> <p>We are looking for a Senior Python Developer specializing in FastAPI on behalf of one of our high-growth clients to architect, build, and scale their core cloud-native backend services. In this role, you will take ownership of developing high-throughput, low-latency asynchronous APIs that power data-intensive platform features.You are a perfect candidate if you are growth-oriented, you love what you do, and you enjoy working on new ideas to develop exciting products.</p> <p> </p> <h4><strong>What we’re looking for:</strong></h4> <ul> <li> <p>3+ years of dedicated, hands-on production experience building high-performance asynchronous web services with FastAPI and modern Python (3.10+). Deep mastery of Python's asyncio ecosystem, dependency injection, and Pydantic v2 data validation.</p> </li> <li> <p> 5+ years of total software engineering experience designing, deploying, and maintaining production-grade distributed systems and RESTful APIs.</p> </li> <li> <p>Solid proficiency with relational databases (PostgreSQL), writing optimized raw SQL or leveraging ORMs like SQLAlchemy and Alembic for schema migrations and query tuning. Caching layer experience with Redis is essential.</p> </li> <li> <p>Practical experience building decoupled services using message queues and event streaming platforms (e.g., RabbitMQ, Celery, or Apache Kafka).</p> </li> <li> <p>Strong daily proficiency with Docker, Kubernetes or AWS container services (ECS/EKS), and setting up CI/CD deployment pipelines (GitHub Actions, GitLab CI).</p> </li> <li> <p>Strict adherence to software design patterns, clean code principles, and comprehensive automated testing using pytest.</p> </li> <li> <p>Located in the CET timezone (+/- 3 hours), we are unable to consider applications from candidates in other time zones.</p> </li> </ul> <p> </p> <h4><strong>Nice-to-Have</strong></h4> <ul> <li> <p>Experience with GraphQL or WebSocket integrations alongside standard REST protocols.</p> </li> <li> <p>Familiarity with vector databases (Pinecone, Milvus, Qdrant) or AI/LLM orchestration frameworks (LangChain, LlamaIndex) for AI-integrated backends.</p> </li> <li> <p>Experie