Senior .NET Full Stack Developer (C# / Angular)

Senior .NET Full Stack Developer (C# / Angular) - Onsite

Location: Lake Forest / United States Job category: Digital Work model: Work from Office

Please note, this role is not able to offer visa transfer or sponsorship now or in the future

About Us: Cognizant is one of the world's leading professional services companies, transforming clients' business, operating, and technology models for the digital era. Our unique industry-based, consultative approach helps clients envision, build, and run more innovative and efficient businesses. Headquartered in the U.S., Cognizant, a member of the NASDAQ-100, is ranked 195 on the Fortune 500 and is consistently listed among the most admired companies in the world. Learn how Cognizant helps clients lead with digital at www.cognizant.com.

About Cognizant’s IoT Practice: Intelligent, IoT-enabled products will soon result in the proliferation of data and disrupt virtually all industries. To be successful, both large and small companies must leverage IoT capabilities by designing modern products that fundamentally connect people with processes. Within Cognizant IOT, we engineer industry-aligned, IoT-enabled products that merge industry needs with human drivers. Our intelligent products will revolutionize experiences and result in exciting, transformative outcomes. Without human-centered thinking, connected products are just standalone things—but with it, our modern connected products facilitate a unified way of life enjoyed by all.

Job Summary

We are seeking an experienced Senior C# .NET Developer to design, develop, and maintain enterprise-grade web applications and services. The ideal candidate will have strong expertise in C#, .NET Core/.NET Framework, ASP.NET MVC/Web API, and SQL Server, with exposure to Angular for front-end development. The role involves collaborating with cross-functional teams, participating in architectural discussions, and delivering high-quality, scalable solutions.

Key Responsibilities

• Design, develop, test, and maintain robust applications using C#, .NET Core/.NET Framework, and ASP.NET MVC/Web API.
• Build and integrate RESTful APIs and microservices.
• Collaborate with business analysts, architects, and stakeholders to gather and translate requirements into technical solutions.
• Develop and optimize database objects, queries, stored procedures, and data models in SQL Server.
• Participate in code reviews and ensure adherence to coding standards and best practices.
• Troubleshoot and resolve production issues while ensuring system stability and performance.
• Work with Angular to develop and enhance user interfaces, implement UI components, and consume backend APIs.
• Develop and maintain scalable, responsive web applications using Angular, TypeScript, and related frontend technologies.
• Design and integrate reusable UI components, services, and RESTful APIs to deliver seamless user experiences and business functionality.
• Contribute to CI/CD pipelines and deployment automation processes.
• Mentor junior developers and support technical knowledge sharing within the team.
• Participate in Agile ceremonies including sprint planning, reviews, and retrospectives.

Required Skills

• Strong experience in C#, .NET Core, ASP.NET MVC, and Web API.
• Solid understanding of Object-Oriented Programming (OOP) principles and design patterns.
• Hands-on experience with SQL Server, database design, query optimization, and stored procedures.
• Experience developing and consuming RESTful services.
• Knowledge of Entity Framework or other ORM frameworks.
• Experience with Git, Azure DevOps, or similar source control and CI/CD tools.
• Understanding of cloud platforms such as Microsoft Azure.
• Familiarity with Agile/Scrum development methodologies.

Preferred Skills:

• Working knowledge of Angular for UI development and maintenance.
• Experience with HTML5, CSS3, JavaScript, and TypeScript.
• Exposure to Microservices architecture and Docker/Kubernetes.
• Experience with unit testing frameworks and automated testing practices.
• Knowledge of application security, performance tuning, and best coding practices.

Nice to Have:

• Azure App Services, Azure Functions, Service Bus, or API Management experience.
• Experience working in enterprise-scale digital transformation projects.
• Exposure to DevOps and Infrastructure-as-Code practices.

Compensation

• $90,000 to $115,000 + COLA and 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. Application will be accepted by 10/8/2026

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

• LI-CT1

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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• 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, counselling, our Mental Health Allyship program and more.

• Your career, your way

• With 350,000+ roles at Cognizant, you’ll have opportunities 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 candidates’ 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.

• Cognizant has one of the best learning ecosystems you can ask for. From sponsored certifications to training platforms to mentorship, we have all that we need to grow.

• Debashish Mishra

• SAP MM Developer

• Cognizant offers me more than a job; it offers a community. We support each other, collaborate across borders and celebrate wins together. If you’re looking for a culture that values flexibility, diversity and growth, this is the place to be.

• Laura Reynaud

• Lead Counsel

• When I first joined, I was quiet and hesitant to share