Senior backend engineer

2 weeks ago


Delhi, India Astek Middle East Full time

We are hiring a Senior Backend Engineer (C#/. NET, Microservices) to scale and strengthen our mission-critical healthcare and procurement platforms. You will join our team to design, build, and operate secure, event-driven microservices and APIs, ensuring performance, reliability, and seamless integration across our systems. This is a full remote role where you’ll collaborate with talented engineers, product owners, and business stakeholders to deliver solutions that truly make an impact.Responsibilities- Design and implement ASP. NET Core Web APIs (REST/Graph QL) and background workers.- Build event-driven services with Kafka: producers/consumers, idempotent processing, retry/DLQ strategies.- Apply DDD & clean architecture principles; ensure code is modular, maintainable, and testable.- Own data workflows: EF Core, SQL Server, transactions, migrations, and performance tuning.- Implement robust integration patterns: transactional outbox/inbox, correlation IDs, distributed tracing.- Integrate with Ultimus BPM for workflow automation and human task orchestration.- Add observability with Serilog, metrics, and distributed tracing (Elastic/Kibana).- Champion security and reliability practices (rate limiting, input validation, OWASP ASVS).- Contribute to automated testing (unit/integration/contract, load/performance) and code reviews.- Collaborate with frontend, Dev Ops, product, and business stakeholders.Requirements- 5+ years backend engineering experience, with 2+ years in. NET Core/ASP. NET Core in production.- Strong knowledge of microservices patterns (saga, outbox/inbox, circuit breaker, retries, idempotency).- Solid Kafka expertise: topics, partitions, consumer groups, offset management.- Deep SQL experience: query plans, indexing, transactions, isolation levels, EF Core.- Experience with on-prem Kubernetes: containers, networking, scaling, health/readiness probes.- Proven observability practices: logs, metrics, tracing, diagnostics, performance profiling.- Strong security mindset: API hardening, secrets management, least privilege.- Familiarity with CI/CD pipelines (Azure Dev Ops Server, Git) and code quality tools (Sonar Qube).- Excellent communication and documentation skills.Nice to have: Redis, Nginx, Graph QL, Signal R, event sourcing, CQRS, performance engineering at scale.ONLY CANDIDATES WITH THE REQUIRED SKILLS AND EXPERIENCE SHOULD APPLY



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