.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)

• 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

Nice-to-Have Skills

Advanced Backend Concepts:

• 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

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 youre passionate about building clean, scalable APIs with .NET Core and want to grow your expertise in cloud-native engineering, wed love to hear from you.
• Apply now and join Brainsquare Indias evolving backend engineering team!
• Experience level: Professional