Senior Integration Developer - C#/.NET

Unwritten; Ahmedabad District; On-site; INR 1,500,000 - 2,300,000; Full time

Job summary

Unwritten is seeking a Senior Integration Developer for a 12-month engagement focused on delivering enterprise integration solutions and production support. The role emphasizes hands-on work with C#/.NET, APIs, Azure DevOps, Git, CI/CD, and agile delivery.

The candidate will design, develop, test, deploy, and support reliable integrations while upholding security, governance, and documentation standards.

Qualifications

• 8-15 years of professional software development experience.
• Experience designing, developing, testing, deploying and supporting integration solutions.
• Strong hands-on experience in C#/.NET, API development, Azure DevOps, Git, CI/CD and Agile.
• Ability to translate requirements into technical designs and maintain documentation.

Responsibilities

• Design and develop enterprise integration solutions using C#/.NET.
• Develop and maintain APIs and integration components.
• Build scalable, secure, reliable, and maintainable solutions.
• Create High-Level and Low-Level Design documents; UML diagrams.
• Manage CI/CD pipelines and automate deployments with Azure DevOps and Git.
• Provide production support and resolve incidents within SLA timelines.
• Participate in Agile ceremonies and maintain end-to-end traceability.
• Prepare release notes and deployment documentation.

Skills

C#/.NET

API development

Azure DevOps

Git

CI/CD pipelines

Agile delivery

Technical design

Production support

Testing

Troubleshooting

Tools

Jira

Job description

8-15 years of professional software development experience

Experience

8-15 years of professional software development experience

Engagement

12-Month Contract

Role Type

Senior Level | Solution Delivery & Production Support

About the Role

We are looking for an experienced Senior Integration Developer to join a 12-month engagement focused on enterprise solution delivery and production support.

The ideal candidate will have strong hands-on experience in C#/.NET, API and integration development, Azure DevOps, Git, CI/CD, Agile delivery, technical design, and production support .

You will be responsible for designing, developing, testing, deploying, and supporting reliable enterprise integration solutions while maintaining high standards of quality, security, governance, and documentation.

Key Responsibilities

Integration & Application Development

• Design and develop enterprise integration solutions using C#/.NET.
• Develop and maintain APIs and integration components.
• Build scalable, secure, reliable, and maintainable solutions.
• Perform unit, integration, and functional testing.
• Participate in code reviews and follow established development standards.
• Troubleshoot and resolve application and integration issues.

Technical Design

• Prepare High-Level Design (HLD) and Low-Level Design (LLD) documents.
• Create and maintain UML and solution architecture diagrams.
• Translate business and technical requirements into technical solutions.
• Contribute to technical architecture and design discussions.
• Identify technical risks and recommend appropriate solutions.

DevOps & CI/CD

• Work with Azure DevOps for source control, work management, builds, and releases.
• Use Git for version control and collaborative development.
• Build and maintain CI/CD pipelines.
• Automate deployment and release processes.
• Support application deployments across environments.
• Troubleshoot build and deployment issues.

Production Support

• Provide application and integration support for production environments.
• Investigate and resolve incidents within defined SLA timelines.
• Support critical incidents and work toward resolution within four hours.
• Perform root-cause analysis and implement corrective actions.
• Maintain production runbooks and support documentation.

Agile Delivery

• Participate in Agile ceremonies including sprint planning, stand-ups, reviews, and retrospectives.
• Collaborate with developers, testers, architects, business analysts, DevOps teams, and stakeholders.
• Track tasks, requirements, defects, and deliverables using Jira.
• Maintain end-to-end traceability from requirements through deployment.

Documentation & Knowledge Transfer

• Maintain comprehensive technical documentation.
• Prepare release notes, deployment documentation, and operational runbooks.
• Conduct knowledge-transfer sessions.
• Ensure technical and operational knowledge is properly documented.

Key Deliverables

The successful candidate will be responsible for delivering:

• HLD and LLD documents
• UML and technical architecture diagrams
• APIs and integration components
• Tested and production-ready code
• Automated CI/CD pipelines
• Deployment documentation
• Production support runbooks
• Release notesIncident and root-cause analysis documentation
• Knowledge-transfer materials

Required Skills & Experience

Technical Skills

• Strong hands-on experience with C# and .NET
• Strong experience in API development and enterprise integration
• Experience with Azure DevOps
• Strong understanding of Git
• Experience building and maintaining CI/CD pipelines
• Good understanding of Agile software development
• Experience with HLD, LLD, UML, and technical documentation
• Strong troubleshooting and production-support experience
• Understanding of software development lifecycle and engineering best practices

Professional Skills

• Strong analytical and problem-solving skills
• Excellent technical documentation abilities
• Strong communication and collaboration skills
• Ability to work independently and take ownership
• Experience working within enterprise security, governance, quality, and compliance frameworks
• Strong attention to detail
• Ability to work effectively under production-support SLAs

Production Support & SLA

The role includes production-support responsibilities. The candidate will be expected to:

• Respond to incidents within agreed SLA timelines.
• Support critical incidents and work toward resolution within four hours.
• Perform structured troubleshooting and root-cause analysis.
• Document incidents and resolutions.
• Follow established change-management, security, and compliance processes.
• Ensure production changes are properly tested, approved, documented, and traceable.