Job Information
Cognizant Full Stack Engineer in Sunnyvale, California
About the role
As a Full Stack Engineer, you will make an impact by designing and developing high‑performance web applications and scalable services that power key digital experiences.
You will be a valued member of our engineering team and work closely with product owners, architects, and cross‑functional partners to deliver modern, resilient solutions.
In this role, you will:
Build full‑stack applications using React.js, Node.js, JavaScript/TypeScript, HTML5, and CSS3.
Develop responsive, optimized front‑end experiences using React, Next.js, and Material UI.
Design and integrate RESTful and GraphQL APIs within microservices architectures.
Lead engineering efforts by translating business needs into technical designs and delivering high‑quality code.
Guide teams through design reviews, code reviews, and best‑practice development.
Diagnose production issues, perform root‑cause analysis, and implement durable fixes.
Collaborate with cross‑functional teams to clarify requirements and support architectural decisions.
Work model
We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring in‑office presence on designated weekdays.
Regardless of your working arrangement, we are here to support a healthy work‑life balance through our wellbeing programs.
The working arrangements for this role are accurate as of the date of posting and may change based on business or client needs. We will always communicate expectations clearly.
What you must have to be considered
Strong proficiency in Core Java, J2EE, Spring/Spring Boot.
Experience building high‑performance microservices architectures.
Expertise with Cosmos DB, MongoDB, and distributed messaging (e.g., Kafka).
Advanced front‑end experience with React, TypeScript, Next.js, and Material UI.
Experience with UI optimization, SSR/CSR, caching, and performance tuning.
Hands‑on experience with Azure or GCP.
Solid understanding of CI/CD workflows and troubleshooting build/deployment issues.
Strong architectural and system‑design skills.
These will help you stand out
Experience with enterprise‑scale microservices and distributed systems.
Strong system‑level thinking and ability to drive architectural improvements.
Ability to mentor developers and elevate engineering standards across teams.
Comfort working in fast‑paced environments with complex technical ecosystems.
Please note: This role will require an in-person meet and greet with our Cognizant poc.
Bachelor’s degree in computer science, IT or equivalent
Applications will be accepted until March 10th, 2026.
Salary and Other Compensation:
The annual salary for this position is between $55,350 to $82,000 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.
Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.