[Job 29880] Senior Data Developer (Python/ AWS), Brazil

Description

At CI\&T, we help major enterprises transform the potential of AI into real business impact through AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience in technological transformation, we accelerate innovation with expertise in agentic SDLC, application modernization, Data \& AI, martech, and business strategy. We are 8\.000 CI\&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day. **Important**: If you reside in the Metropolitan Region of Campinas, your presence at the city's offices will be mandatory, per our current attendance policy. We are seeking a Data Engineer with an AI focus to join our team and contribute to building scalable and intelligent solutions for large-scale data volumes. **Responsibilities:** Practical experience and solid knowledge of **PySpark and AWS Cloud** (S3, Glue, EC2, Lambda, Athena); Test automation and application of the test pyramid; Cost optimization and best practices in FinOps for data pipelines. Solid knowledge of relational databases and SQL; **Spec\-driven development** (specification as the primary input for AI); Strong mastery of SDLC (design, build, test, deploy, operate); Advanced use of AI in development (codegen, testing, refactoring, debugging); Building agents (multi\-step, tool usage, planning \+ execution); Creating reusable skills and composing capabilities; Integration via MCP (Model Context Protocol) or equivalent; Creating slash\-commands / operational interfaces based on structured prompts; Orchestrating workflows (multi\-agent or human \+ agent); Integration with tools (Git, CI/CD, issue tracking, observability); Critical evaluation of AI outputs (quality, security, consistency); Strong communication and resilience. **Our benefits:** * Health and dental insurance; * Meal and food allowance; * Childcare assistance; * Extended parental leave; * Partnerships with gyms and health and wellness professionals via Wellhub (Gympass, TotalPass); * Profit and Results Sharing Program (PLR); * Life insurance; * Continuous learning platform (CI\&T University); * Discount club; * Free online platform dedicated to promoting physical health, mental health, and overall well-being; * Pregnancy and responsible parenting course; * Partnerships with online course platforms; * Language learning platform; * And many more More details about our benefits here: https://ciandt.com/br/pt\-br/carreiras At CI\&T, inclusion begins at first contact. If you are a person with a disability, it is important to **submit your medical report during the selection process.** *Check which information must be included in the report* *by clicking here.* This way, we can ensure the support and accommodations you deserve. **If you do not yet have the qualifying medical report, don’t worry: we can support you in obtaining it.** We have a dedicated Health and Wellness team, inclusion specialists, and affinity groups that will support you at every stage. Count on us to walk this journey alongside you.