.Net Core API Software Engineer

About Brainsquare India
Brainsquare India is part of Brainsquare Belgium, delivering high-quality engineering and integration expertise to European clients. You will join a growing offshore engineering unit working closely with senior architects and technical leads across Belgium and India.
Net Core API Software Engineer Your mission Brainsquare India is expanding its Application Development team and we are looking for a skilled .NET Core API Software Engineer to work on modern API-driven solutions for large-scale enterprise environments. You will design, build, test, and maintain high-quality backend services using .NET Core, REST APIs, CI/CD practices, and cloud deployment pipelines (Azure).
This role is part of ongoing long-term projects with European clients and requires strong engineering fundamentals, clean coding discipline and the ability to work in Agile delivery teams.
Key responsibilities
Build clean, scalable REST APIs using .NET Core and modern software engineering practices.
Implement backend logic, data access, integration flows, and API security patterns.
Contribute to CI/CD pipelines, version control workflows (Git), and code reviews.
Collaborate with architects, testers, and offshore/onshore teams in an Agile setup (Scrum ceremonies, backlog refinement, sprint planning).
Apply structured logging, tracing concepts, and implement automated tests (unit, integration where applicable).
Work with containerized environments (Docker/Kubernetes) for deployment.
Support production deployments, troubleshooting, and continuous improvement initiatives.
Experience Level
5+ years of relevant professional experience in .NET backend/API development.
Core Skills
Backend Engineering:
Strong experience with C# and .NET Core for backend/API development
Proven experience building RESTful APIs (CORS, API versioning, API security)
Solid understanding of software engineering principles (clean code, SOLID, DI)
Testing & Quality:
Experience with unit testing frameworks (xUnit/NUnit/MSTest)
Understanding of integration testing concepts
Cloud & DevOps:
Basic familiarity with Azure services
CI/CD experience (Azure DevOps, GitHub Actions, or similar)
Git proficiency (status, pull, push, merge, branching)
Data & Persistence:
SQL Server (queries, joins, indexing basics)
Data modelling fundamentals
Agile Delivery:
Experience working in a Scrum or Agile team setup
Nice-to-Have Skills
Advanced Backend Concepts:
Domain Driven Design (DDD) basics
Aggregate roots, bounded contexts
API versioning strategies
Outbox Pattern
Cloud, Messaging & Distributed Systems:
Azure Functions / Azure Serverless
Redis caching
Service Bus (Azure)
Event-driven architecture concepts
Testing Maturity:
Integration testing with TestContainers
Fluent Assertions
Contract testing
DevOps & Tooling:
Docker image building
Kubernetes deployment concepts
Tracing, correlation IDs
ELK stack or similar logging pipelines
Other technologies:
Marten DB
NoSQL stores
Jira / Confluence experience
Experience working with external QA teams
What You Bring
Strong ownership mindset and the ability to work independently in a distributed team.
Clear communication skills in English (written & spoken).
Ability to break down complex technical problems and propose structured solutions.
Eagerness to learn modern engineering concepts beyond basic API development.
Ready to Apply?
If you’re passionate about building clean, scalable APIs with .NET Core and want to grow your expertise in cloud-native engineering, we’d love to hear from you.
Apply now and join Brainsquare India’s evolving backend engineering team!
Experience level: Professional

Work arrangement
Hybrid