Software Engineering Specialist – Artificial Intelligence

Role Overview

• Design and maintain complex, highly available architectures for APIs and services that support Vivo's AI ecosystem.
• Lead the definition of coding and design standards (Design Patterns, Clean Architecture), serving as a reference for Senior and Mid-level developers.
• Optimize performance and cloud costs of services, ensuring efficient processing of large volumes of data and model calls (LLMs).
• Hands-on technical mentor: perform critical code reviews and pair-programming sessions to raise the team's technical level.
• Develop critical components and internal SDKs to be consumed by multiple AI squads.
• Ensure system resilience through advanced observability strategies, fault handling and infrastructure automation.

Requirements

• Extensive experience in backend development using Node.js and Nest.js.
• Deep mastery of microservices architecture, messaging patterns and asynchronous communication (event-driven, WebSockets, gRPC).
• Expertise in Kubernetes (AKS): resource configuration, horizontal/vertical scaling and large-scale container management.
• Advanced knowledge of Cloud Native (Azure): Event Hub, Cosmos DB, Redis and caching strategies.
• Strong experience in Security: implementing complex authentication flows (OAuth 2.0, OIDC) and data protection.
• Proficiency in Infrastructure as Code (Terraform) and infrastructure automation for critical production environments.
• Strong database fundamentals: query optimization, NoSQL modeling and consistency management.
• Preferred specialties:
• Hands-on experience with LangChain, LangGraph and orchestration of autonomous agents.
• Technical knowledge in Prompt Engineering and RAG (Retrieval-Augmented Generation) to optimize LLM responses.
• Familiarity with APM and observability tools (Dynatrace, Prometheus, Grafana) for root-cause diagnosis in distributed systems.
• Ability to clearly explain complex architectural decisions to the engineering team.

Tech Stack

• Azure
• Cloud
• Grafana
• GRPC
• JavaScript
• Kubernetes
• Node.js
• NoSQL
• Prometheus
• Redis
• Terraform

Benefits

• Choose the ideal benefits for you and your dependents via a digital platform offering categories such as gym, meal voucher (VR), food allowance (VA), pharmacy assistance, health insurance, dental and life insurance;
• Company mobile phone. Yes, a brand-new smartphone for you!
• Unlimited voice and data plan — truly unlimited — on the best mobile network, now even faster with Vivo 5G!
• Exclusive Vivo offer with special discounts on landline, broadband, TV and apps;
• Eligible for annual bonus or PPR;
• Plan your future through a private pension plan;
• Have children? You will be entitled to a subsidy to help with school, daycare or nanny expenses;
• Work in an environment that respects your personality, clothing style and who you are — be authentic. #BeYou
• Work remotely up to 2 days per week. #Mobility
• Flexible working hours;
• Enjoy a day off to celebrate your birthday;
• Participate in one of the largest corporate volunteering programs to help transform the world;
• Benefit from our Educational Development Program offering partnerships with educational institutions at a discount, plus certifications and online courses;
• Accelerate your career through our Internal Recruitment Program, in Brazil or abroad — we operate in more than 17 countries! #VivoMyCareer
• Access a range of initiatives to improve your physical, emotional and social well-being. We offer #VivoWellBeing, encouraging healthy habits and better quality of life — including consultations with nutritionists, psychologists, social workers, telemedicine, and more!