Feeny
CI&T

[Job- 32175] Senior Back End Developer (Python/Golang & AI Integration), Colombia at CI&T (Colombia)

CI&T· Colombia·

Role details

Work type
Remote
Level
Senior

Job description

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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Our benefits include:

  • Premium Healthcare
  • Meal voucher
  • Maternity and Parental leaves
  • Mobile services subsidy
  • Sick pay-Life insurance
  • CI&T University
  • Colombian Holidays
  • Paid Vacations And many others.

Collaboration is our superpower, diversity unites us, and excellence is our standard. We value diverse identities and life experiences, fostering a diverse, inclusive, and safe work environment. We encourage applications from diverse and underrepresented groups to our job positions.

Why work at CI&T

  • Culture & Inclusion: Certified by the Great Place to Work Institute, featured on Glassdoor’s Best Places to Work list. Emphasis on diversity, equity, and inclusion with affinity groups and UN-recognized employment practices for people with disabilities.
  • Remote/Hybrid Policy: Most roles are remote (home office) within Brazil or other countries of operation. Some positions, especially senior or collaborative roles, are hybrid (e.g., 3x/week in Campinas, Brazil).
  • Career Development: Structured career process called "Journey" with a platform connecting feedback, results, and opportunities. Continuous support from leaders with personalized development plans.
  • Global Exposure: Work across 25+ countries and 11 operating nations with a diverse, multicultural team of over 8,000 people.
  • Perks & Benefits: Tailored benefits for personal and professional wellbeing, though specifics vary by location.
  • Size & Stability: Publicly traded company with 30 years of history, combining startup-like innovation with corporate stability.
  • Engineering Culture: Heavy emphasis on technical roles (53% of workforce is technical), with active hiring in AI, data, full-stack, and architecture positions.

Application questions