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

    Colombia
    Full-Time
    Senior (7+ yrs)
    Engineering & Development
    Posted on October 9, 2026

    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.
    #LI-LO1
    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.

    Company:  CI&T

    Global tech-integrated business solutions partner helping enterprises deploy AI and digital transformation.
    5001-10000 employees
    Software & IT Services
    HQ: United States