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

**Senior Fullstack Developer Python / React/Next.JS / AI LangFlow** As a **Senior Fullstack Python / React/Next.JS / AI LangFlow Developer**, you will play an active role in solid Python engineering and backend API development, as well as building AI flows/agents with Langflow. **What you need to have to be considered** Solid Python engineering and backend API development Knowledge of using the AI LangFlow Developer tool 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. **Key Advantages** 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 **Work model: H****ybrid** We believe hybrid work is the way forward, always striving to offer flexibility whenever possible. Based on the business requirements of this position, this is a hybrid position requiring one or two days per week at a client or Cognizant office in São Paulo, SP, or São José dos Campos. Regardless of your work schedule, we are here to support a healthy work\-life balance through our various wellness programs. The working hours for this position are valid as of the date of posting. These may change depending on the project you are involved in, as well as business and client requirements. Rest assured; we will always be transparent about the expectations for this position. ***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.