Senior.NET Full Stack Developer Lead (React/AWS)

About the Position

About the Role

As a Senior .NET Full Stack Developer Lead, you will make an impact by designing, developing, and delivering scalable enterprise applications using.NET, React, AWS, and SQL Server technologies. You will be a valued member of the engineering team, working collaboratively with client stakeholders, business partners, cross-functional teams, and offshore delivery teams to drive high-quality software solutions and successful project outcomes.

Work Model

This is a hybrid role based in Hartford, CT. We support a healthy work–life balance through our wellbeing programs.

Important Disclaimers

• A few of our roles may require in-person interviews at Cognizant offices or client locations, depending on project or client needs.
• Candidate must be legally authorized to work in the United States without the need for employer sponsorship, now or at any time in the future.

In This Role, You Will

• Lead the design, development, and maintenance of enterprise applications using .NET Core, React, AWS, SQL Server, and related technologies.
• Collaborate with client stakeholders and cross-functional teams to define technical solutions that align with business objectives and architectural standards.
• Drive technical delivery, ensuring high-quality, scalable, and secure software solutions that meet performance and reliability requirements.
• Provide technical leadership through code reviews, mentoring, troubleshooting, and implementation of development best practices.
• Partner with offshore teams to coordinate delivery activities, manage priorities, and ensure timely, high-quality project execution.

Requirements

• Strong experience developing enterprise applications using.NET Core / C# and modern software development frameworks.
• Hands-on expertise with React.js and JavaScript-based front-end development.
• Experience designing and deploying cloud-based solutions using AWS.
• Strong knowledge of SQL Server, including database design, optimization, and performance tuning.
• Proven experience leading technical teams, managing both functional and technical workstreams, and driving successful project delivery.
• Excellent communication, stakeholder management, and client-facing skills.
• Experience collaborating effectively with distributed and offshore delivery teams.
• Strong understanding of software engineering best practices, including code reviews, testing, debugging, and application performance optimization.

Nice to Have

• Experience within the Life and Annuities Insurance domain.
• Knowledge of modern cloud-native architectures and application modernization initiatives.
• Experience defining scalable software architectures and technical roadmaps.
• Ability to identify opportunities for process improvement and continuous delivery optimization.
• Proven track record of building strong client relationships and serving as a trusted technical advisor.
• Passion for mentoring developers and fostering a collaborative engineering culture.

We Offer

• Compensation: The annual salary for this position is between $64,000 – $115,000 depending on experience and other qualifications of the successful candidate.
• Benefits:
  • Medical/Dental/Vision/Life Insurance
  • Paid holidays plus Paid Time Off
  • 401(k) plan and contributions
  • Long-term/Short-term Disability
  • Paid Parental Leave
  • Employee Stock Purchase Plan

About the Company

Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process, and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, drive tangible outcomes, and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or follow us on Twitter.

Additional Employment Information

Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government-issued ID during each interview.

Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status, or any other characteristic protected by federal, state, or local laws.

If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] with your request and contact information.

Benefits that Help You Thrive and Grow

Our benefits program is built with you in mind-so you can enjoy a fulfilling, balanced, and healthy life.

Financial Wellbeing

We regularly review market data to ensure compensation reflects the value you bring. Your benefits extend beyond pay and may include retirement plans, financial education, etc.

Physical and Mental Health

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counseling, our Mental Health Allyship program, and more.

Your Career, Your Way

With 350,000+ roles at Cognizant, you’ll have opportunities to explore new technologies, industries, and locations-and build the skills you need to grow your career.

Real-World Impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

Your Path to Cognizant

Here’s what you can expect from our hiring process. Please keep in mind that it may vary by role and location. Explore our FAQs to learn more.

Step 1: Apply to the Right Opportunity

Find an open role that matches your skills and career goals and show us why you’re the person for the job. Don’t see the right opportunity? Consider joining our Talent Community.

Step 2: Connect with Your Recruiter

If one of our recruiters sees a fit, they’ll set up a short intro call to learn more about you and how your experiences and skills match the role.

Step 3: Show Off Your Skills

If you and our team would like to continue the process, you’ll interview with our hiring team. Some roles may also require technical assessments and/or client interviews.

Step 4: Decision Time

Our team will then review each candidate’s potential to succeed in the role. This step may take some time because we want to find the right fit for both you and us-but you can count on us to keep you updated.