Senior Fullstack Developer Python / React/Next.JS / AI LangFlow

Cognizant; São Paulo; Híbrido; BRL 120.000 - 160.000; Tempo integral

Resumo da oferta

A leading technology consultancy is seeking a Senior Fullstack Developer to create AI flows using Langflow (Python). This role requires collaboration in a hybrid work model, maintaining a balance between remote work and in-office presence. Ideal candidates should have robust experience with Python and backend development, along with the ability to work with LLM frameworks and tools. Strong English communication skills and teamwork are essential for success in this position.

Qualificações

• Experience with LLM providers, prompts, and structured outputs.
• Design and implementation of retrieval/search pipelines.
• Basic DevOps/cloud exposure (containers, CI/CD).

Responsabilidades

• Build AI flows/agents with Langflow (Python) for projects.
• Support enterprise integrations with REST/GraphQL.
• Work collaboratively within a hybrid model.

Conhecimentos

Solid Python engineering and backend API development

LLM workflow/agent orchestration using frameworks or orchestration tools

Proficiency with Git in collaborative workflows

Advanced English communication skills

Strong collaboration and team mindset

Ferramentas

Jira

React

Next.js

Descrição da oferta de emprego

Overview

As a Senior Fullstack Developer, you will build AI flows/agents with Langflow (Python) to support innovative projects at the Customer

Work model: Hybrid

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 2 days a week in a client (São José dos Campos) or Cognizant office (São Paulo). Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

What you need to have to be considered

• Solid Python engineering and backend API development
• LLM workflow/agent orchestration using frameworks or orchestration tools
• Work with LLM providers (prompts, structured outputs, tool/function calling)
• Design and implementation of retrieval/search pipelines (loaders, embeddings, vector search)
• Enterprise integrations (REST/GraphQL, webhooks, internal systems)
• Proficiency with Git in collaborative workflows (branching strategies, pull requests/code reviews, conflict resolution)
• Experience with Jira issue types and Scrum/Kanban boards
• Advanced English communication skills (mandatory)
• Strong collaboration and team mindset; clear documentation and ownership

Nice to have

• Frontend experience (React/Next.js) to connect UIs to flows
• Basic DevOps/cloud exposure (containers, CI/CD, deployments)
• Ecosystem familiarity (LangChain/LlamaIndex, multi-agent patterns)
• Document processing/search and multilingual use cases

Please, upload your resume in English.

We\'re excited to meet people who share our mission and can make an impact in a variety of ways. Don\'t hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.