C#.NET Lead Developer

About Persistent

We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what?s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 20 Fortune 50 companies and 4 of the 5 top banks in both the US and India, and numerous innovators across the healthcare ecosystem.

Our disruptor?s mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We reported $1,654.4M FY26 revenue with 17.4% Y-o-Y growth. We have delivered 24 sequential quarters of growth with $436.0M in Q4 FY26 revenue, up 3.2% Q-o-Q and 16.2% Y-o-Y growth. Our 27,500+ global team members, located in 18 countries, have been instrumental in helping the market leaders transform their industries. We have been recognized as the Fastest Growing IT Services Brand Globally in the 2026 Brand Finance IT Services 25 Report. We named a Leader in the Everest Group Private Equity (PE) Services PEAK Matrix? Assessment 2026 and Software Product Engineering PEAK Matrix? Assessment 2026.

About Position:

We are seeking an experienced C#.NET Lead Developer with strong expertise in application development, device-level software engineering, multithreaded programming, and system integration. The ideal candidate will lead the design, development, testing, and deployment of high-performance applications built using C#.NET while mentoring development teams and driving technical excellence.

• Role: C#.NET Lead Developer
• Location: Pune
• Experience: 8-12 years
• Job Type: Full Time Employment

What You'll Do:

• Design, develop, and maintain enterprise-grade applications using C#.NET.
• Lead the development of software solutions related to devices and hardware-integrated applications.
• Build scalable, maintainable, and high-performance applications aligned with business requirements.
• Participate in architecture discussions and technical solution design.
• Lead development teams through design, implementation, testing, and deployment phases.
• Conduct code reviews and enforce coding standards, quality practices, and development guidelines.
• Provide technical mentorship and guidance to developers.
• Drive engineering best practices and continuous improvement initiatives.
• Develop applications utilizing advanced C# programming concepts.
• Implement robust and efficient multithreaded solutions.
• Design and develop concurrent and asynchronous processing frameworks.
• Build integrations between applications, devices, services, and external systems.
• Perform root cause analysis and troubleshoot complex application issues.
• Optimize performance, scalability, and reliability of software components.
• Identify and resolve bugs, bottlenecks, and system-level issues.
• Ensure stability and quality through structured testing and validation.
• Develop unit tests and automated validation frameworks.
• Ensure adequate test coverage and software quality.
• Create technical specifications, design documents, and support documentation.
• Maintain knowledge repositories and engineering best practices documentation.
• Work closely with Product Owners, Architects, QA teams, and business stakeholders.
• Participate in requirement discussions and technical estimations.
• Provide technical recommendations and solution alternatives.
• Communicate effectively with technical and non-technical audiences.

Expertise You'll Bring:

• 8-12 years of experience in software development using C#.NET technologies.
• Strong hands-on expertise in C#
• .NET Framework / .NET Core
• Object-Oriented Programming (OOP)
• Design Patterns
• SOLID Principles
• Deep understanding of application architecture and software engineering best practices.
• Strong experience with Collections
• Generics
• Delegates
• Events
• Async / Await Programming
• Expertise in writing efficient, maintainable, and scalable code.
• Strong knowledge of Multithreading
• Thread Synchronization
• Task Parallel Library (TPL)
• Mutex
• Concurrent Programming Concepts
• Experience developing high-performance and parallel-processing applications.
• Hands-on experience with Socket Programming
• API Integration
• System-to-System Communication
• Understanding of distributed application communication patterns.
• Experience debugging network and integration-related issues.
• Experience designing and implementing applications that interact with hardware devices.
• Good understanding of driver-level concepts and device communication frameworks.
• Knowledge of driver implementation using C#.NET will be an added advantage.
• Excellent debugging and problem-solving capabilities.
• Strong experience using application profiling and diagnostic tools.
• Ability to identify and resolve complex production issues.
• Working knowledge of C++.
• Experience with driver development and low-level programming.
• Exposure to hardware communication protocols.
• Knowledge of Windows services and system-level development.
• Familiarity with Agile/Scrum development methodologies.
• Experience with CI/CD and DevOps practices.
• Strong technical leadership and mentoring abilities.
• Excellent verbal and written communication skills.
• Strong stakeholder management and collaboration capabilities.
• Ability to lead technical discussions and architecture reviews.
• High ownership, accountability, and problem-solving mindset.
• Capability to manage multiple priorities and drive successful project delivery.

Benefits:

• Competitive salary and benefits package
• Culture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications
• Opportunity to work with cutting-edge technologies
• Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
• Annual health check-ups
• Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents

Values-Driven, People-Centric & Inclusive Work Environment:

Persistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.

• We support hybrid work and flexible hours to fit diverse lifestyles.
• Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.
• If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment

Let?s unleash your full potential at Persistent -persistent.com/careers

?Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.?