Senior .NET Engineer

Actively Reviewing

TekWissen India

Gurgaon Full-Time 4–8 yrs exp Posted 9 hours ago · Apply by Sep 14, 2026

Job Description

Overview

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.

Key Responsibilities

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

Required Skills And Qualifications

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

Hands-on Experience With AWS, Specifically

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

Preferred Qualifications

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

Key Competencies