Sr.NET Backend Developer
FINVISION CONSULTANTS PRIVATE LIMITED
2 - 5 years
Mumbai
Posted: 23/12/2025
Job Description
Responsibilities
Design, build, and maintain RESTful ASP.NET Web API (Framework 4.8) services.
Write high-quality C# with SOLID practices, clean architecture, and unit/integration tests.
Model data, write performant T-SQL (joins, CTEs, window functions), and optimise queries/indexes.
Build background jobs (e.g., Quartz.NET ), health endpoints, and observability (logs/metrics/traces).
Secure APIs (authN/authZ, OAuth/JWT, OWASP), handle config/secrets, and harden IIS.
Diagnose prod issues (profilers, dump analysis, SQL execution plans) and drive RCAs.
Collaborate via PRs, code reviews, and refactoring.
Must-have
8+ years in backend engineering with .NET Framework 4.x ; deep ASP.NET Web API .
Strong SQL Server/T-SQL (stored procs, indexing, isolation levels, deadlock analysis).
Solid async/concurrency, collections, memory/perf tuning in C#.
IIS + Windows Server deployment experience; Git; CI/CD; automated testing.
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