Job Summary: A professional responsible for developing effective software solutions aligned with best practices, enhancing high-criticality systems. Key Highlights: 1. Participate in the design of high-criticality systems 2. Collaborate on scalability definitions using microservices 3. Ensure code quality and observability of metrics We have an opening at AG Capital Group! Our team is growing, and you can be part of it — becoming an **Agent of Transformation**! By joining our team, your mission will be to build, maintain, and enhance the systems used across AG Capital Group companies. This professional is responsible for developing effective software solutions, ensuring they meet customer needs and align with industry standards and best practices. We seek engaged, focused, and determined professionals who strive to go beyond. Does this sound like a fit for you? Then seize this opportunity and apply now! **RESPONSIBILITIES AND DUTIES:** * Participate in all phases of high-criticality system design, analyzing requirements and proposing new solutions that add value to both technical and business areas, aiming to improve the product; * Collaborate on scalability definitions for our products, working with microservices architecture; * Ensure code quality and observability of business and systemic metrics; * Identify and propose best practices for backend development, participating in project definition, code review, testing, maintenance, and authoring technical and functional system documentation; * Work with high-availability systems and high-volume data traffic, as well as relational and non-relational databases, maintaining their quality and performance. **WHAT WE EXPECT FROM YOU:** * Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or related fields. * Java 11+ (preferably 17/21) with proficiency in Streams, Collections, and clear understanding of JVM * Practical experience with concurrency and parallelism (ExecutorService, CompletableFuture, threads, I/O vs CPU bound) * Solid Spring Boot expertise for REST APIs, applying best practices for layers, DTOs, and error handling * Performance and stability * Efficient persistence * Docker + Kubernetes (operational level), understanding pods, limits, restart policies, liveness/readiness probes * Logging and observability * Unit testing and reliability **WHAT WE OFFER:** * **Conexa** — Telemedicine platform offering consultations with nutritionists, psychologists, and general practitioners. * **GoGood or WellHub** — Fitness and wellness platforms. * **Guapeco** — Pet health insurance plan (for dogs and cats). * **OnHappy** — Travel platform offering negotiated rates for employees. * Employee referral program. * Birthday day off. * Corporate university. * Partnership with Open English. * Discount partnerships with universities, meal benefits, healthcare, and wellness services. * Semi-annual bonus program based on performance results.