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Senior Full Stack React Developer Jobs in Connecticut

Mirafra Technology

Full Stack Developer

Greenwich, CT · On-site

We are 500+ employees in India and 250+ In US Clear visibility to senior management which helps for ... in Computer Science, Engineering or Mathematics Minimum of 3 years of experience in Java ...

Damco Solutions

Salesforce Full Stack Developer

Hartford, CT · On-site

$56 - $74.25/hr

Damco Solutions is seeking a Senior Salesforce Full Stack Developer to join their team in Hartford, Connecticut. The role involves participating in various SDLC processes and supporting existing ...

RCN Capital, LLC.

Senior Software Engineer

Windsor, CT · On-site

$100 - $130/hr

We are seeking a Senior Full Stack Engineer to lead the design and development of next-generation ... NET 10, React, and TypeScript, with a strong emphasis on scalable architecture and high-quality ...

RCN Capital LLC

Senior Software Engineer

South Windsor, CT · On-site

$119K - $156K/yr

  • Retirement

We are seeking a Senior Full Stack Engineer to lead the design and development of next-generation ... NET 10, React, and TypeScript, with a strong emphasis on scalable architecture and high-quality ...

TicketNetwork

Senior Software Engineer

South Windsor, CT · On-site

$119K - $156K/yr

  • Retirement

We are seeking a Senior Full Stack Engineer to lead the design and development of next-generation ... NET 10, React, and TypeScript, with a strong emphasis on scalable architecture and high-quality ...

Ticketnetwork

Senior Software Engineer

South Windsor, CT · On-site

$119K - $156K/yr

  • Retirement

We are seeking a Senior Full Stack Engineer to lead the design and development of next-generation ... NET 10, React, and TypeScript, with a strong emphasis on scalable architecture and high-quality ...

28Stone

C# Full Stack Developer

Greenwich, CT · Hybrid

$100 - $140/hr

28Stone is a full service custom solutions firm. We offer a wide range of services - from 'tip of ... Role Summary We are looking for seasoned, detail-oriented engineers with strong technical judgment ...

Sagarsoft

UI Developer

Stamford, CT · On-site

$53.25 - $69.25/hr

No OPT Mandatory skills React/Node-Full stack SQL DevOps knowledgeable. Preferable finance experience

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Senior Full Stack React Developer information

What does a Senior Full Stack React Developer do?

A Senior Full Stack React Developer designs, develops, and maintains both the front-end and back-end components of web applications, with a focus on using React for the user interface. They are responsible for ensuring seamless integration between the client-side and server-side logic, often working with databases, APIs, and cloud services. In addition to coding, they provide technical leadership, mentor junior developers, and help define the overall architecture and best practices for web projects.

What are the key skills and qualifications needed to thrive as a Senior Full Stack React Developer, and why are they important?

To thrive as a Senior Full Stack React Developer, you need advanced proficiency in JavaScript, React, Node.js, and both front-end and back-end development, supported by a degree in computer science or equivalent experience. Familiarity with tools like Git, Docker, RESTful APIs, cloud platforms (such as AWS or Azure), and CI/CD pipelines, along with knowledge of TypeScript and relevant certifications, is typically expected. Excellent problem-solving, leadership, and communication skills help you collaborate effectively and mentor junior developers. These skills are crucial for delivering scalable, high-quality web applications and driving innovation within development teams.

What are some typical challenges a Senior Full Stack React Developer faces when working on large-scale projects?

Senior Full Stack React Developers often encounter challenges related to maintaining code quality and consistency across both the frontend and backend, especially as projects scale. Coordinating with cross-functional teams to integrate new features while ensuring existing functionality remains stable can be complex. Additionally, optimizing application performance and managing technical debt are ongoing responsibilities. Effective communication and collaboration skills are crucial, as the role often involves mentoring junior developers and participating in architectural decisions.

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The top searched job categories for Senior Full Stack React Developer jobs in Connecticut are:

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Infographic showing various Senior Full Stack React Developer job openings in Connecticut as of August 2026, with employment types broken down into 89% Full Time, 4% Part Time, 6% Contract, and 1% Nights. Highlights an 87% Physical, 2% Hybrid, and 11% Remote job distribution.

.NET Full Stack (Azure/AWS)

Cognizant Technology Solutions

Hartford, CT • On-site

$70K - $117K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 16 days ago

Cognizant rating

7.4

Company rating: 7.4 out of 10

Based on 85 frontline employees who took The Breakroom Quiz

52nd of 72 rated business consultants

Job description

.NET Full Stack (Azure/AWS)
We are seeking a highly skilled Technical Lead - .NET Full Stack to lead the design, development, and delivery of enterprise-grade applications. This role is ideal for a hands-on technology leader with strong expertise in .NET Core, C#, SQL Server, Angular/React, and Cloud technologies (Azure/AWS) who thrives in a client-facing environment.
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 delivery of enterprise applications using .NET Core, C#, Angular/React, SQL Server, and cloud technologies (Azure/AWS).
  • Partner with clients and business stakeholders to translate requirements into scalable technical solutions.
  • Provide technical leadership, mentorship, and guidance to development teams throughout the software development lifecycle.
  • Drive both technical and functional project deliverables, ensuring high-quality and timely execution.
  • Collaborate closely with offshore and cross-functional teams to support successful project delivery.
  • Optimize application and database performance while maintaining reliability, security, and scalability.
  • Conduct code reviews and promote software engineering best practices.
  • Represent the team in client discussions, providing technical expertise and delivery leadership.
  • Support continuous improvement initiatives and the adoption of modern development practices and technologies.
  • Ensure solutions align with organizational standards, regulatory requirements, and business objectives.

Work Model:
Onsite
Location:
Hartford - Connecticut
What you need to have to be considered:
  • 8+ experience with .NET Core/.NET Framework and C#
  • Front-end development expertise in Angular and/or React
  • Experience with SQL Server and performance optimization
  • Cloud experience with Azure and/or AWS
  • Proven Technical Lead experience leading development teams and complex projects
  • Strong client-facing communication and stakeholder management skills
  • Ability to manage both functional and technical workstreams
  • Experience collaborating with offshore teams to deliver high-quality solutions
  • Knowledge of software architecture, design patterns, and Agile methodologies

Salary and Other Compensation:
The annual salary for this position is between $70,000 - $117,000, 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.
About Cognizant:
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 @cognizant.
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] for roles based in the Americas or [email protected] for roles based in India.

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