.Net Core API Software Engineer

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.

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.

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  Build clean, scalable REST APIs using .NET Core and modern software engineering practices.

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  Implement backend logic, data access, integration flows, and API security patterns.

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  Contribute to CI/CD pipelines, version control workflows (Git), and code reviews.

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  Collaborate with architects, testers, and offshore/onshore teams in an Agile setup (Scrum ceremonies, backlog refinement, sprint planning).

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  Apply structured logging, tracing concepts, and implement automated tests (unit, integration where applicable).

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  Work with containerized environments (Docker/Kubernetes) for deployment.

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  Support production deployments, troubleshooting, and continuous improvement initiatives.

• 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)

• Experience with unit testing frameworks (xUnit/NUnit/MSTest)

• Understanding of integration testing concepts

• Basic familiarity with Azure services

• CI/CD experience (Azure DevOps, GitHub Actions, or similar)

• Git proficiency (status, pull, push, merge, branching)

• SQL Server (queries, joins, indexing basics)

• Data modelling fundamentals

• Experience working in a Scrum or Agile team setup

• Domain Driven Design (DDD) basics

• Aggregate roots, bounded contexts

• API versioning strategies

• Outbox Pattern

• Azure Functions / Azure Serverless

• Redis caching

• Service Bus (Azure)

• Event-driven architecture concepts

• Integration testing with TestContainers

• Fluent Assertions

• Contract testing

• Docker image building

• Kubernetes deployment concepts

• Tracing, correlation IDs

• ELK stack or similar logging pipelines

• Marten DB

• NoSQL stores

• Jira / Confluence experience

• Experience working with external QA teams

• 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.

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!