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Senior Dotnet Developer

Senior Dotnet Developer

Cozzera

10 years

0 Lacs

Gurugram Haryana India

Posted:1 day ago| Platform:

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Skills Required

developer .net service development architecture data layers deployment design routing middleware versioning documentation openapi sql indexing strategies analyze mapping api integration http rest xunit nunit mocking azure github management git orchestration linq optimization server query writing migration automation devops pipeline scaling software testing test aws storage docker dockerfile publishing scheduling debugging react support audit reconciliation compliance

Work Mode

On-site

Job Type

Full Time

Job Description

Job Title: Senior .NET Core Developer (Backend Lead – Individual Contributor)

Location: Chennai, Hyderabad, Bangalore, Gurugram, Pune (Hybrid)

Experience: 10+ Years

Employment Type: Full-Time

Industry: Banking / Financial Services

Role Summary:

.NET Core Developer

Key Responsibilities:

Develop and maintain
robust backend services
using
.NET Core
and
C#
in production-grade environments.
Design and implement
RESTful Web APIs
with proper routing, middleware, error handling, versioning, and documentation using OpenAPI/Swagger.
Write
optimized SQL Server
queries, stored procedures, indexing strategies, and analyze execution plans.
Work with
Entity Framework/Core
for data access, relationship mapping, and migrations while managing performance considerations (e.g., N+1 queries).
Collaborate with frontend teams to define API payloads and ensure seamless integration (CORS, HTTP verbs, REST conventions).
Participate in architecture and system design discussions including modularization, dependency injection, caching strategies, and design patterns (repository, factory, etc.).
Create and maintain
unit and integration tests
using xUnit/NUnit with mocking libraries like Moq.
Implement and manage
CI/CD pipelines
using tools like
Azure DevOps
,
GitHub Actions
, or
Jenkins
.
Contribute to source control and release management using Git (branching, PRs, trunk/GitFlow workflows).
Monitor, log, and optimize backend systems for
performance, security
, and
resilience
in high-throughput environments.

Must-Have Skills & Expertise:

Skill Required Depth

.NET Core
Independently developed backend services; understands orchestration, logging,
and monitoring.
C#
Deep experience with modern features (async/await, LINQ, generics); code
optimization for scale.
Web API
Full lifecycle from routing to versioning and API security.
SQL Server
Optimized query writing, schema design, indexing, execution plan analysis.
Entity Framework / EF Core
Data access layer, relationship mapping, and migration with
performance tuning.
Frontend Integration
REST principles, CORS handling, and client-side API constraints.
Git
Source control management, branching strategies, and conflict resolution.
CI/CD
Deployment automation using Azure DevOps/GitHub Actions; pipeline-as-code.
System Design & Architecture
Knowledge of DI, caching, system scaling, and software design patterns.
Unit Testing
Test coverage, mocking, and principles of test isolation with xUnit/NUnit.

Nice-to-Have Skills:

Cloud Platforms (Azure/AWS/GCP):
Experience with deployments, blob storage, queues, managed DBs.
Docker/Containerization:
Basic Dockerfile authoring, image publishing, and containerized app development.
Windows Services:
Scheduling and recovery of background services.
Frontend Debugging (React/Angular):
Basic understanding to support API integration.
Banking Domain Exposure:
Experience with financial modules, audit trails, reconciliation, or compliance systems.

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