Job Summary: The professional will support leadership in designing and evolving distributed and scalable architectures, developing critical backend applications in Java and Spring. Key Highlights: 1. Support leadership in distributed and scalable architectures 2. Develop critical backend applications in Java and Spring 3. Design and implement advanced solutions with LLMs and AI Come closer. Invillia has not only transformed how the world’s most revolutionary companies create and develop digital strategies, businesses, and products. It has also innovated the way technology-passionate people, from anywhere on the planet, can interact, grow, and become more connected than ever. For Invillia, it doesn’t matter where you are — whether in a large country or a small town — what matters is your will, your ideas, your potential. The size of your talent_ **Responsibilities and Duties** Support leadership in designing and evolving **distributed and scalable architectures** Develop and evolve critical backend applications in **Java and Spring** Define technical standards, best practices, and architectural guidelines Design and implement advanced solutions with **LLMs, AI agents, and multi-agent architectures** Support strategic decisions regarding **cloud, data, security, and observability** Act as a technical reference, mentoring the team and facilitating complex decisions Ensure reliability, performance, security, and governance of solutions **Requirements and Qualifications** Solid experience with **Java 17+**, including large-scale application architecture, performance and memory trade-off decisions, and code standard definition Proficiency in **Spring Boot, Spring Data, Spring Security, Spring Cloud, and Spring AI**, including advanced customizations and upgrade strategies Experience with **microservices architectures**, distributed systems, event-driven design, **DDD, Clean/Hexagonal Architecture, CQRS, and Event Sourcing** Strong expertise in **LLMs and AI agents**, including RAG, multi-agent orchestration, model selection, protocols (A2A, MCP), and AI governance and ethics practices Advanced experience with **databases**: PostgreSQL (pgvector), Oracle, DynamoDB, and Redis, including distributed data architecture, sharding, partitioning, AI-oriented schemas, and disaster recovery strategies Solid knowledge of **Python**, including async/await, FastAPI, and agent frameworks (e.g., CrewAI, Strands) Advanced experience with **AWS**, including: * Bedrock (LLMs, AgentCore, MultiAgents) * Serverless architecture (Lambda, API Gateway, Step Functions) * ECS/EKS, EventBridge * VPC, Security Groups, WAF, KMS * Cost and performance optimization Strong expertise in **DevOps and Observability**, with advanced Kubernetes, CI/CD, deployment strategies (Blue/Green, Canary), logs, metrics, traces, and incident response Advanced implementation of **agent memory**, including distributed architectures, context compression, context prioritization, and multi-tenancy Security applied to modern and AI systems, including **OAuth2, JWT, OWASP Top 10, LGPD/GDPR, threat modeling, and security reviews** **Additional Information** The experience of working at Invillia is unique — and global. We have our own way of connecting talent and building innovation. We revolutionized the workplace \#Instation \+ we’re experts in developing complex solutions for \#GameChangers \+ we have a unique methodology \#EngagedbyDataPeopleAction \+ we invest in people \#InvilliaAcademy Some Invillia differentiators: \_we innovate side-by-side with \#GameChangersGlobais \_distributed work culture \#inStation \_exclusive methodology \#GlobalGrowthFramework Immerse yourself here: https://invillia.com/ So, if you seek an opportunity to work from anywhere, at a company committed to redefining closeness, human connection, and feeling supported at all times — even while fully distributed — this is the right place. Invillia is part of AI/R, the AI Revolution Company: a strategic convergence of revolutionary components embedding artificial intelligence everywhere. AI/R comprises over 6\.000 technology professionals and has a global presence, with offices in Brazil, Europe, and the USA.