Senior .NET Backend Developer

OneMagnify India Private Ltd.

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Chennai Until 8/30/2026 5+ years exp H-1B sponsor history First posted July 1, 2026 Last posted July 1, 2026
Job description
We are looking for an experienced .NET Senior Backend Developer to design, build, and maintain high-performance digital solutions on the Optimizely platform. You will work as a skilled individual contributor within a collaborative engineering team, leveraging AI-assisted development practices to deliver scalable, cloud-native applications — while working closely with product, design, and fellow engineers to bring complex features to life.

  • Design and implement robust, scalable backend services using C# and .NET Core (.NET 8+). 

  • Build and maintain Optimizely CMS / Commerce / DXP solutions — including content modeling, APIs, middleware and custom integrations. 

  • Utilize AI-assisted development tools such as GitHub Copilot, Vertex Studios, Claude code assist or equivalent LLM-based tooling to improve velocity and code quality. 

  • Write clean, well-tested code and participate actively in code reviews, contributing constructive feedback to peers. 

  • Develop and maintain RESTful and GraphQL APIs consumed by front-end teams, third-party systems, and microservices. 

  • Work with cloud infrastructure on Azure; contribute to IaC practices (Terraform / Bicep). 

  • Write and maintain automated tests — unit, integration, and regression — in collaboration with QA. 

  • Troubleshoot and resolve complex technical issues across backend services and platform integrations. 

  • Participate in sprint planning, estimation, and technical discovery with cross-functional teams. 

  • Stay current on emerging technologies — including AI/ML services — and share learnings with the team. 

About this role

Summary

Design, build, and maintain scalable backend services using .NET, C#, and cloud technologies.

Job title

Senior .NET Backend Developer

Experience level

senior level

Minimum experience

5+ years exp

Industry

software

Location requirements

Chennai, on-site preferred, remote possible

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

.NETC#RESTful APIsGraphQLAzure

Preferred skills

AI-assisted developmentTerraformBicepautomated testing

Specializations

.NETC#APIcloudAI
Locations

Structured locations inferred from the posting.

Chennai, Tamil Nadu, India

Hybrid City
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