GRAN

Senior Software Engineer – Artificial Intelligence, Cloud & Automation

GRAN

full-time

Posted on:

Location Type: Remote

Location: Brazil

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Job Level

Senior

Tech Stack

AWSDockerPythonTerraform

About the role

  • You will be the engineering pillar of the Data & AI Tribe.
  • We expect you to turn AI prototypes into robust, scalable and observable software products.
  • You will be the technical reference to ensure our solutions (such as legal assistants and data extraction systems) run in production with high availability.
  • Architect and develop the backend for LLM-based applications, ensuring they are fast, cost-efficient and reliable.
  • Implement end-to-end RAG (Retrieval-Augmented Generation) pipelines.
  • Create and maintain Autonomous Agents that perform complex tasks.
  • Act as the natural Tech Lead for the squad.
  • Mentor mid-level and junior engineers through pair programming and technical discussions.
  • Own the infrastructure for your applications (“You build it, you run it”).
  • Ensure full observability of systems.

Requirements

  • For this role we are looking for a Software Engineering (Backend) profile specialized in Generative AI. We are not only looking for people who “consume APIs”, but those who build resilient systems around them.
  • Advanced proficiency in Python.
  • Expertise with Pydantic for data validation and FastAPI for building high-performance asynchronous APIs.
  • Experience with professional package management (Poetry or uv) and code quality tools.
  • Solid experience building AI workflows with LangChain and, preferably, state orchestration with LangGraph.
  • Ability to design and implement RAG (Retrieval-Augmented Generation) architectures that go beyond the basics: practical knowledge of Hybrid Search (Vector + Keyword) and reranking strategies (e.g., Cohere, BGE) to ensure accuracy.
  • “You build it, you run it” mindset.
  • Experience provisioning and maintaining infrastructure on AWS (ECS, Lambda, SQS).
  • Expertise with Docker and familiarity with Infrastructure as Code (Terraform or CDK).
  • Design of distributed and event-driven systems, essential to handle asynchronous agent flows.
  • Experience with browser automation frameworks (focus on Playwright Async) for complex data extraction and interaction with legacy systems.
  • At least 5 years of hands-on experience in software development (Backend), with recent years focused on or transitioning into AI/Data projects.
  • Bachelor’s degree in Computer Science, Software Engineering or related fields (or equivalent proven practical experience).
  • Real-world experience in agile environments (Scrum/Kanban) with a focus on continuous delivery.
Benefits
  • SulAmérica medical and dental plan with national coverage, 100% employer-paid.
  • Wellhub (Gympass) or gym reimbursement.
  • Partnership with Sesc, providing access to cultural and leisure activities.
  • Access to Starbem, Avus and Auster apps: health, well-being and full support, including psychological, financial and legal assistance.
  • Meal or grocery vouchers loaded on the iFood Benefícios card.
  • Home office allowance paid on the iFood card.
  • Profit sharing (PLR) according to current rules.
  • Extended maternity and paternity leave.
  • GranPix – project recognition program with awards.
  • Daycare subsidy.
  • Full scholarship for undergraduate and graduate studies at Gran College.
  • Free unlimited Gran Concursos subscription.
  • Gran Academy – corporate university for the development of GranLovers.
  • Study incentive policies promoting continuous learning.
  • Onboarding kit and equipment provided by Gran.
  • Christmas voucher in December.
  • Gran Baby kit — a gift to celebrate the birth of babies in the family.
  • M.O.M – Mom Off Mom: one additional day of rest per year, to be scheduled with direct leadership.
  • Gran School Kit – school supplies assistance.
  • Inclusion Assistance – exclusive for people with disabilities (PcD).
  • Petlove – pet health plan for family pets.
  • Day off on your birthday.
  • Life insurance.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
PythonPydanticFastAPIPoetryLangChainHybrid SearchCohereBGEDockerTerraform
Soft skills
mentoringpair programmingtechnical discussionsleadershipproblem-solvingcollaborationcommunicationadaptabilitycritical thinkingownership
Certifications
Bachelor's degree in Computer ScienceBachelor's degree in Software Engineering