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Fullstack Developer

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We’re hiring!

At Cognizant we have an ideal opportunity for you to be part of one of the largest companies in the digital sector worldwide. A Great Place To Work where we look for people who contribute new ideas, experiencing a dynamic and growing environment. At Cognizant we promote an inclusive culture, where we value different perspectives providing career growth and development opportunities. #WelcomeToCognizant!

We have an exciting opportunity for an exceptional individual to work supporting one of our clients as Fullstack Developer


Experience: 5 - 8 Years

Role Summary

We are seeking a Technical Lead / Senior Engineer with strong expertise in Node.js, ReactJS, AWS Cloud, and Generative AI technologies. The ideal candidate should possess a solution-oriented mindset, drive architecture and design decisions, lead engineering teams, and deliver scalable AI-enabled digital solutions.

Must-Have Skills

· 10–12 years of experience in Full Stack Application Development

· Expertise in Node.js, JavaScript (ES6+), TypeScript

· Strong hands-on experience with ReactJS, Redux, Hooks, and modern UI frameworks

· Experience in designing and developing REST APIs, GraphQL APIs, and Microservices

· Strong knowledge of AWS Cloud Services (Lambda, API Gateway, S3, DynamoDB, CloudFront, Cognito)

· Experience with Serverless Architecture, CloudFormation, and CI/CD pipelines

· Strong solutioning, architecture, and technical leadership experience

· Experience mentoring development teams and conducting design/code reviews

AI / GenAI Skills (Must Have / Preferred)

· Experience integrating LLMs such as OpenAI GPT, Azure OpenAI, Claude, or Amazon Bedrock

· Knowledge of Prompt Engineering and AI application design patterns

· Experience building AI-powered chatbots, copilots, or intelligent assistants

· Understanding of RAG (Retrieval-Augmented Generation) architectures

· Experience integrating AI services through APIs and SDKs

· Familiarity with Vector Databases (Pinecone, OpenSearch, Weaviate, ChromaDB, etc.)

· Knowledge of AI security, governance, responsible AI, and model evaluation

Key Responsibilities

· Lead the design and development of full-stack and AI-enabled applications.

· Define architecture, technical roadmaps, and engineering best practices.

· Build scalable backend services using Node.js and responsive UIs using ReactJS.

· Design and implement GenAI solutions leveraging LLMs, RAG, and vector search.

· Collaborate with business stakeholders to translate requirements into technical solutions.

· Drive cloud-native deployments, performance optimization, security, and observability.

· Mentor engineers and provide technical leadership across delivery teams.

Nice to Have

· AWS Bedrock, LangChain, LangGraph, Semantic Kernel

· Docker, Kubernetes, EKS

· Event-Driven Architecture

· AWS AppSync, CloudWatch, X-Ray

· MLOps and AI model monitoring

Why Cognizant?

Improve your career in one of the largest and fastest growing IT services providers worldwide

Receive ongoing support and funding with training and development plans

Have a highly competitive benefits and salary package

Get the opportunity to work for leading global companies

We are committed to respecting human rights and build a better future by helping your minds and the environment

We invest in people and their wellbeing.

We create conditions for everyone to thrive. We do not discriminate based on race, religion, color, sex, age, disability, nationality, sexual orientation, gender identity or expression, or for any other reason covered.

Igualdad de Empleo y Política de Acción Afirmativa:

Cognizant es un empleador que ofrece igualdad de oportunidades. Todos los solicitantes calificados recibirán consideración para el empleo sin distinción de sexo, identidad de género, orientación sexual, raza, color, religión, origen nacional, discapacidad, estado de veterano protegido, edad o cualquier otra característica protegida por la ley.

At Cognizant we believe than our culture make us stronger!

Join us now!

#BeCognizant #IntuitionEngineered

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.

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.

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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.

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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. 

Build The Career You Want Midnight Blue RGB

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.

Making A Meaningful Impact Midnight Blue RGB

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.

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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.

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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.

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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.

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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.

EMEA Alin
Over my 11-year Cognizant career, I’ve grown from being a Jr. Developer to an Engineering Director. With support from Cognizant and my mentors, I’ve also explored mobile development, data and AI. The opportunities here are endless.
Alin Turcu Engineering Director
CAN Brigitte
Cognizant is great for those wanting to make the world a better place, as we create solutions with top technology partners to address complex problems for our clients.
Brigitte Roy Director of Strategy Alliances
2
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
EMEA Elena
My managers and mentors have always been there to guide me, challenge me and give me the space and confidence to grow. When you have the right people around you, work becomes fun.
Elena Becerril Engagement Delivery Lead

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