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2 weeks ago

Bengaluru, India Altysys Full time

Job Title : Back End DeveloperExperience : 5- 8 years (Production-Grade Backend Development)Job Type : Full-TimeAbout the Role :We are seeking a highly skilled Back End Developer with strong expertise in building production-grade, scalable APIs and microservices. The ideal candidate should have hands-on experience in high-concurrency systems (10K+ users), cloud-native deployments, and real-time data processing.Key Responsibilities :- API Development : Design, build, and maintain robust, scalable, and high-performance APIs using FastAPI.- High Concurrency Systems : Build APIs capable of orchestrating multiple I/O calls efficiently to handle high traffic workloads.- Asynchronous Processing : Implement real-time communication and background task handling using async.io, Celery, RabbitMQ, or AWS SQS.- Database Management : Design and optimize schemas, queries, and transactions across Postgres, MongoDB, Databricks, and Iceberg.- Scalable Architecture : Develop microservices that run efficiently on Kubernetes, ensuring APIs are horizontally scalable and fault-tolerant.- Real-time Communication : Implement web sockets (socket.io) for event-driven applications.- Production Deployment : Contribute to strategies for deploying and running backend services in production environments with 10K+ concurrent users.- Code Quality : Write clean, maintainable, and production-grade Python code, ensuring adherence to coding standards and best practices.- Collaboration : Work closely with DevOps, frontend, and product teams to ensure smooth end-to-end delivery.Required Skills & Qualifications :- 5- 8 years of experience in backend development with a focus on Python (production-grade coding).- Proven experience in production deployments handling 10K+ users.- Strong knowledge of FastAPI with high I/O orchestration.- Expertise in queues (Celery, RabbitMQ, AWS SQS).- Hands-on with databases (Postgres, MongoDB, Databricks, Iceberg).- Proficient in asynchronous programming (async.io).- Experience with web sockets (socket.io).- Understanding of Kubernetes microservices scaling (beyond deployment).- Experience with containers, microservices architecture, and cloud-native applications.- Strong debugging, troubleshooting, and problem-solving skills.Preferred Qualifications :- Experience working with real-time systems or data-heavy applications.- Knowledge of CI/CD pipelines and cloud platforms (AWS/GCP/Azure).- Familiarity with monitoring & observability tools (Prometheus, Grafana, ELK, etc.). (ref:hirist.tech)

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