We7re 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!We7re hiring! At Cognizant we have an idóneo 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: 1012 12 YearsRole SummaryWe 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 Skills1012 12 years of experience in Full Stack Application DevelopmentExpertise in Node.Js, JavaScript (ES6+), TypeScriptStrong hands-on experience with ReactJS, Redux, Hooks, and modern UI frameworksExperience in designing and developing REST APIs, GraphQL APIs, and MicroservicesStrong knowledge of AWS Cloud Services (Lambda, API Gateway, S3, DynamoDB, CloudFront, Cognito)Experience with Serverless Architecture, CloudFormation, and CI/CD pipelinesStrong solutioning, architecture,



and technical leadership experienceExperience mentoring development teams and conducting design/code reviewsAI / GenAI Skills (Must Have / Preferred)Experience integrating LLMs such as OpenAI GPT, Azure OpenAI, Claude, or Amazon BedrockKnowledge of Prompt Engineering and AI application design patternsExperience building AI-powered chatbots, copilots, or intelligent assistantsUnderstanding of RAG (Retrieval-Augmented Generation) architecturesExperience integrating AI services through APIs and SDKsFamiliarity with Vector Databases (Pinecone, OpenSearch, Weaviate, ChromaDB, etc.)Knowledge of AI security, governance, responsible AI, and model evaluationKey ResponsibilitiesLead 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 HaveAWS Bedrock, LangChain, LangGraph, Semantic KernelDocker, Kubernetes, EKSEvent-Driven ArchitectureAWS AppSync, CloudWatch, X-RayMLOps and AI model monitoringWhy Cognizant? Improve your career in one of the largest and fastest growing IT services providers worldwideReceive ongoing support and funding with training and development plansHave a highly competitive benefits and salary packageGet the opportunity to work for leading global companiesWe are committed to respecting human rights and build a better future by helping your minds and the environmentWe 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.#J-18808-Ljbffr

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