LandOffer[Job- 32175] Senior Back End Developer (Python/Golang & AI Integration), Brazil
Job details
- Level
- Senior
- Posted
- Oct 9, 2026
- Last confirmed open
- Oct 11, 2026
What you'll need to apply
Fields this application requires
Company-specific questions
- Current company
- Do you have any relatives (such as parents, siblings, in-laws, spouses, or children, stepchildren, stepfather/stepmother, son-in-law/daughter-in-law), close friends, or acquaintances (with whom you have a significant and ongoing relationship) who currently work at CI&T?
- Do you have availability for on-site work at the Campinas office (Brazil) every day? Just for informational purposes, in case your application is considered for other open positions.
- Do you require any type of accessibility for the selection process and/or in your daily life??
- [EN] What is your level of confidence when communicating and collaborating in an English-speaking work environment?
- How comfortable do you feel working in an English-speaking environment?
- Confirm the name of the company where you work/ Confirme o nome da empresa em que você trabalha atualmente
- By selecting the option below, I declare that I have read, understood, and agree to the terms of this document, and I consent to the processing of my personal data by CI&T and Lever for the purposes described herein. Read the document here: https://drive.google.com/file/d/1dMaskYl2VD1AtN9MfiHrZiA-YFYwq8aI/view
- Please confirm City, State and Country where you are currently living?essay
- What is your last/current MONTHLY GROSS salary in Brazilian Real (R$)?essay
- What is your desired MONTHLY GROSS salary or salary range in Brazilian Real R$ for a CLT contract?
About this role
At CI&T, we help large enterprises transform the potential of AI into real business impact with 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.
We are looking for a Senior Backend Engineer to design, develop, and scale high-performance backend services, integrating AI capabilities into modern distributed systems. This role combines strong backend engineering expertise with hands-on experience in LLM integrations, Retrieval-Augmented Generation (RAG), and tool calling, leveraging technologies such as Go, Python, and Microsoft Azure.
The ideal candidate will bring a solid understanding of microservices architecture, event-driven systems, distributed caching, and resilient service design to build reliable, scalable, and AI-enabled backend solutions.
Responsibilities
Backend Architecture & Development: Design, develop, and maintain scalable backend services and APIs using Go and Python, applying microservices and event-driven architecture principles to support high-performance, distributed applications.
AI & LLM Integration
Integrate LLM capabilities into backend services, implementing RAG pipelines, tool calling, and AI orchestration patterns to enable intelligent, context-aware application workflows.
Cloud Infrastructure & Performance Optimization
Build and integrate cloud-native services on Microsoft Azure, implementing distributed caching strategies with Redis and optimizing service performance, scalability, and resource utilization.
Reliability & Distributed Systems Engineering
Design resilient backend architectures by implementing fault tolerance, retries, timeouts, and appropriate error-handling strategies, ensuring reliable communication and execution across distributed services and AI-powered workflows.
Requirements
Languages: Go (Golang) and Python.
SAP integration (required)
S/4HANA and ERP via OData, IDocs, BAPIs, RFCs, APIs and middleware.
Preferred
BTP, CPI, MDG, Variant Configuration.
Azure integration
APIM, Service Bus, Event Hubs, PostgreSQL, SQL, Entra ID, OAuth 2.0 and OIDC, Key Vault, networking, IaC.
Caching (required)
Redis, distributed caching, cache-aside, invalidation.
AI (lighter)
LLM integration, tool calling, RAG, and AI coding tools (Codex, Claude Code, Copilot). Architecture: microservices, event-driven systems, resiliency and retries.
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