Fullstack .Net Technical Manager (React Js) - IT

Job Description

To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a Fullstack .Net Technical Manager – ITlocated inChennai location.

We are looking for ahighly experienced, hands-on Technical Lead who will play a dual role —actively contributing to coding while alsomentoring and managing a small technical team.

The ideal candidate will be a strong individual contributor with deep expertise in.NET Core,React.js,containerization, andapplication monitoring (ELK Stack). You will lead by example — writing quality code, setting best practices, and guiding the team toward technical excellence.

This position requires strong ownership, the ability to make architectural decisions, and a collaborative mindset to work effectively with product, DevOps, and business stakeholders.

Reporting to theSenior Manager, and the role involves:

What a typical day looks like:

• Leadtechnical design and architecture discussions ensuring scalability, performance, and security.

• Design, develop, and maintain enterprise-grade web applications using.NET Core,C#, andReact.js / Angular.

• Act as anindividual contributor — writing clean, efficient, and maintainable code while mentoring others.

• Manage and guide a small team of developers — conductingcode reviews, design reviews, and technical mentoring.

• Own theend-to-end delivery of assigned modules — from requirements and design through deployment and monitoring.

• Manage source control usingGit, maintain branching strategies, and enforce best practices in version control.

• Build, deploy, and manage containerized applications usingDocker andKubernetes.

• Integrate and monitor systems usingELK Stack (Elasticsearch, Logstash, Kibana) for observability and troubleshooting.

• Collaborate withcross-functional teams — QA, DevOps, architects, and product owners — to deliver robust solutions.

• Continuously identify performance bottlenecks and propose optimizations.

• Drivecontinuous improvement in coding practices, processes, and tools across the team.

The experience we’re looking to add to our team:

• Bachelor’s or master’s degree in computer science, Information Technology, or related field (or equivalent work experience).

• 12 - 15 years of experience in Information Technology or related field.

• Backend:

• Expert in C#, ASP.NET Core, Web API, LINQ, Entity Framework Core

• Strong understanding of microservices architecture and distributed systems

• Experience with SQL Server and database performance tuning

• Frontend:

• Hands-on with React.js, TypeScript, Redux / Context API, HTML5, CSS3, Bootstrap / Tailwind

• Strong in RESTful API integration and state management

• DevOps / Tools:

• Proficient in Git (GitHub / GitLab / Azure DevOps)

• Experience in Docker, Kubernetes, and CI/CD pipeline management

• Monitoring / Logging:

• Hands-on with ELK Stack (Elasticsearch, Logstash, Kibana) for centralized logging and performance insights

• Additional Advantage:

• Experience with Azure / AWS Cloud Services

• Familiarity with Unit Testing Frameworks (xUnit / NUnit / Jest)

• Knowledge of message queues (Kafka / RabbitMQ)

• Exposure to security best practices and API gateway configurations

• Soft Skills & Attitude:

• Strong analytical and problem-solving mindset

• Excellent leadership and communication skills — able to guide team members while being hands-on

• Ownership mindset — accountable for quality and timely delivery

• Positive, collaborative, and solution-oriented attitude

• Ability to balance coding and team management effectively

• Quick adaptability to changing priorities and technologies

Why Join Us

• Lead technical delivery while staying close tohands-on coding

• Work oncutting-edge technologies andcloud-native architectures

• Be part of acollaborative, learning-focused culture

• Competitive compensation and opportunities forcareer and technical growth

What you will get for the great work you provide:

• Health Insurance

• PTO

NK99

Job Category

Flex does not accept unsolicited resumes from headhunters, recruitment agencies or fee based recruitment services. Flex is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. Flex does not discriminate in employment opportunities or practices based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status or any other status protected by law. Flex provides reasonable accommodation so that qualified applicants with a disability may participate in the selection process. Please advise us of any accommodations you request to express interest in a position by e-mailing:accessibility@flex.com. Please state your request for assistance in your message. Only reasonable accommodation requests related to applying for a specific position within Flex will be reviewed at the e-mail address. Flex will contact you if it is determined that your background is a match to the required skills required for this position. Thank you for considering a career with Flex.