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

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 an on-site role based on business requirements in Hartford, CT. Regardless of work arrangement, we support a healthy work–life balance through our wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

Important Disclaimers:

**Please note: 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.

What You Need to Have to Be Considered

• 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.

These Will Help You Stand Out

• 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're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.

Salary and Other Compensation:

The annual salary for this position is between $64,000 – $115,000 depending on experience and other qualifications of the successful candidate.

This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

Benefits: Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

• 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

Disclaimer:

The salary, other compensation, and benefits 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.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

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.

What we offer

• The chance to work with impact. Here, you’re empowered to bring your biggest thinking to help our company and clients improve everyday life.
• Ownership over your career. Stay at the top of your game through our award-winning learning and development ecosystem. And when your ambitions change or we offer new opportunities, we help you pivot by providing reskilling, on-the-job learning and guidance to find new roles that might be a better fit.
• The opportunity to thrive on a high caliber team with heart. We celebrate each other’s experiences and perspectives and promote a sense of belonging through our affinity groups and diversity and inclusion initiatives.
• A comprehensive total rewards package, including a competitive salary and a pension plan with matching contributions.
• Flexible health and financial benefits to support you and your eligible dependents—from day one.
• True work-life balance. Be at your best through paid time off, flexible work arrangements, volunteering opportunities, social events, and so much more.  

About us
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, building the bridge 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, realize tangible returns and keep global enterprises ahead in a fast-changing world. See how at www.cognizant.com or @cognizant.

Other employment-related information
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, provincial 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.

Language requirements vary depending on roles, but we ask that all candidates have basic English proficiency for company-wide communications purposes. For roles based in Quebec, professional English proficiency is required, as you’ll deliver services to and collaborate with stakeholders outside the province who may not speak French.