Senior Backend Engineer

SENIOR BACKEND ENGINEER We are looking for a Senior Backend Engineer, with strong Python experience, who can also take on Scrum Master responsibilities. Experience with Go is also a big plus. You will lead backend architecture and development across multiple products, helping take them from fast-moving applications to secure, reliable and enterprise-scale platforms. PRINCIPAL RESPONSIBILITIES Lead the architecture and development of backend services across multiple products.Build highly available, low-latency and scalable Python APIs and services.Design real-time systems, including WebSockets/SSE, streaming updates and interactive workflows.Build content ingestion, media/document processing, indexing and asynchronous pipelines.Design event-driven systems, queues and background-job orchestration.Design robust APIs and integrations with internal and external services.Implement IAM, authentication, authorization and enterprise access controls.Design scalable object-storage and large-file workflows.Own backend reliability, performance, observability, security and production readiness.Contribute hands-on to the codebase and provide technical leadership.Support sprint planning and help the team remove delivery blockers. SKILLS AND EXPERIENCE 8+ years of backend engineering experience, with expert-level Python.Strong production experience with FastAPI and Pydantic; Go experience is also valued.Strong experience with real-time systems, WebSockets/SSE and asynchronous architectures.Strong experience designing APIs, distributed systems, events, queues and background jobs.Strong experience with content ingestion, media/document processing, indexing and search.Strong knowledge of MongoDB, SQL, Elasticsearch/OpenSearch and Redis.Experience with object storage and large-file processing workflows.Strong experience with IAM, authentication, authorization and application/API security.Experience building for high availability, low latency, scalability and fault tolerance.Strong understanding of async processing, concurrency, retries, idempotency and caching.Production experience with GCP, Kubernetes and Docker/Podman.Strong experience with CI/CD, testing, monitoring, logging and performance optimisation.Strong architectural judgment, technical ownership and communication skills.Practical experience with Agile/Scrum and engineering delivery. TECHNICAL ENVIRONMENT Python · FastAPI · Pydantic · Go · Real-time/WebSockets · Events & Queues · Background Jobs · GCP · Kubernetes · Docker/Podman · Object Storage · MongoDB · SQL · Elasticsearch/OpenSearch · Redis · IAM· CI/CD · AI/LLM Integrations WHAT WE ARE LOOKING FOR A hands-on senior backend engineer and technical leader who can architect, build and operate enterprise-grade platforms. The emphasis is on strong backend engineering: real-time systems, distributed architectures, data and content pipelines, reliability, security and production scale.