Senior .NET Engineer

TekWissen is a global workforce management provider throughout India and many other countries in the world. The below job opportunity is to one of our clients who is a part of a trusted global innovator of IT and business services headquartered in Tokyo. We help clients transform through consulting, industry solutions, business process services, IT modernization and managed services. This client enables us to move confidently into the digital future. This client committed to Long Term success and combine global reach with local client attention to serve them in over 50 Countries.

Position: Senior .NET Engineer

Location: Gurgaon/Noida/Hyderabad/Bangalore

Work Type: Hybrid

Job Type: Full Time

Job Description

• We are seeking a highly experienced Senior .NET Engineer with 8+ years of experience in designing, developing, and supporting scalable enterprise applications and integrations.
• The ideal candidate will have strong expertise in C# / .NET Core, REST API development, event-driven architecture, and AWS services including Lambda, S3, SQS, and RDS.
• Experience integrating with iLEVEL and internal workflow tools is essential.
• The role requires a strong backend engineering mindset, excellent problem-solving skills, and the ability to build reliable, secure, and maintainable systems in a cloud-based environment.

• Design, develop, and maintain robust backend applications using C# and .NET Core
• Build and enhance scalable REST APIs for internal and external system integrations
• Develop and support integrations with iLEVEL and internal workflow tools
• Design and implement solutions using event-driven architecture principles
• Work with AWS services including Lambda, S3, SQS, and RDS to build and support cloud-native solutions
• Collaborate with product managers, business analysts, architects, and cross-functional engineering teams
• Translate business and integration requirements into scalable technical solutions
• Ensure application performance, reliability, security, and maintainability
• Build reusable components and services for integration-heavy environments
• Troubleshoot production issues, perform root cause analysis, and implement fixes
• Participate in code reviews, architecture discussions, and technical design sessions
• Contribute to testing, deployment, and operational readiness activities
• Create and maintain technical documentation for APIs, integrations, and workflows
• Mentor junior team members and support engineering best practices

• 8+ years of software development experience with strong backend engineering expertise
• Strong hands-on experience with C# and .NET Core
• Proven experience in REST API development
• Experience integrating enterprise systems, including iLEVEL and internal workflow tools
• Strong understanding of event-driven architecture

• Lambda
• S3
• SQS
• RDS
• Strong knowledge of application integration patterns and service-oriented design
• Experience with relational databases and backend data processing
• Familiarity with secure coding standards and API security best practices
• Experience with source control systems such as Git
• Knowledge of unit testing, integration testing, and debugging practices
• Experience working in Agile/Scrum development environments
• Strong communication, collaboration, and problem-solving skills

• Experience in financial services, investment systems, or workflow-driven enterprise platforms
• Familiarity with message-based processing and asynchronous workflows
• Experience with cloud monitoring and logging tools in AWS environments
• Exposure to CI/CD pipelines and DevOps practices
• Understanding of domain-driven design, microservices, or distributed system concepts
• Experience documenting and managing system integrations in complex enterprise ecosystems

• Backend engineering and API development
• Enterprise application integration
• Event-driven system design
• Cloud-native development on AWS
• Reliability, scalability, and performance optimization
• Strong ownership and delivery focus
• Cross-functional collaboration and technical leadership

• Backend: C#, .NET Core
• Integration: REST APIs, iLEVEL, Internal Workflow Tools
• Architecture: Event-Driven Architecture
• Cloud: AWS Lambda, S3, SQS, RDS

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field preferred