Fullstack Developer

Cognizant; Ciudad de México; Presencial; MXN 1.200.000 - 1.600.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Training and development plans

Competitive benefits and salarypackage

Opportunities to work with leading 글로벌

Descripción de la vacante

Cognizant in Mexico City is seeking a Technical Lead / Senior Engineer with strong expertise in Node.js, ReactJS, AWS Cloud, and GenAI. The ideal candidate should lead architecture decisions and drive scalable AI-enabled digital solutions.

You will mentor engineering teams, define roadmaps, and oversee CI/CD pipelines while delivering robust backend services and responsive UIs for clients.

Formación

• Extensive experience in full-stack development with Node.js and ReactJS.
• Proficient in building REST and GraphQL APIs and microservices.
• Strong knowledge of AWS cloud services and serverless architectures.
• Experience leading engineering teams and setting technical direction.
• Hands-on with CI/CD pipelines and modern DevOps practices.
• Experience integrating GenAI / LLM solutions and vector search is a plus.

Responsabilidades

• Lead the design and development of full-stack and AI-enabled applications.
• Define architecture, technical roadmaps, and engineering best practices.
• Build scalable backend services with Node.js and responsive UIs with ReactJS.
• Design GenAI solutions leveraging LLMs, RAG, and vector search.
• Collaborate with 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.

Conocimientos

Node.js

JavaScript (ES6+)

TypeScript

ReactJS

Redux

REST APIs

GraphQL APIs

Microservices

AWS Cloud

Serverless

CI/CD

GenAI / LLMs

Team Leadership

Herramientas

Docker

Kubernetes

CloudFormation

Descripción del empleo

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 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: 1012 12 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

• 1012 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.