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 adecuado 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.)
Kn

📌 Fullstack Developer (Ciudad de México)
🏢 Cognizant
📍 Ciudad de México