Java Backend Developer Sênior

Job description

Accountabilities: Design, develop, and evolve backend APIs and microservices using Java 21 and Spring Boot, ensuring high performance and scalability. Build and maintain event-driven architectures (Pub/Sub), enabling resilient and decoupled system integrations. Develop adapters, facades, and BFF layers to support incremental migration from legacy systems. Optimize critical business endpoints related to key operational journeys, ensuring reliability and responsiveness. Define and enforce API standards, including versioning, pagination, filtering, caching strategies, and contract consistency. Support data model evolution and cross-version compatibility across distributed systems. Implement resilience patterns such as circuit breaker, retry, timeout, fallback, and rate limiting. Identify and resolve performance bottlenecks in databases, APIs, and caching layers. Ensure full observability through logs, metrics, distributed tracing, and monitoring of system health and latency. Document technical decisions, API contracts, and architectural standards to ensure governance and team alignment. Requirements: Solid experience in backend development with Java 21. Strong expertise with Spring Boot for building microservices and APIs. Experience with event-driven architectures and Pub/Sub messaging systems. Background in system integration, legacy modernization, and transitional architecture design. Deep understanding of REST API design best practices (versioning, pagination, filtering, contracts). Experience with distributed systems focusing on resilience, scalability, and performance optimization. Knowledge of observability tools and practices (logging, metrics, tracing, monitoring). Ability to work in high-criticality environments with strong operational responsibility. Strong communication skills for technical documentation and cross-team collaboration. Analytical thinking, ownership mindset, and ability to propose scalable solutions. Benefits: Remote work model with flexibility. Meal and food allowances. Home office assistance support. Health and dental insurance coverage. Life insurance benefits. Discount partnerships and agreements with institutions and services. Continuous training and agile development programs. Employee well-being initiatives and learning opportunities. Inclusive and collaborative culture recognized as a Great Place to Work. How Jobgether works: We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best! Why Apply Through Jobgether? Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time. #LI-CL1 This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Java Backend Developer Sênior in Brazil. This role is focused on building and evolving high-impact backend systems that support critical business journeys in a large-scale, distributed environment. You will work on modernizing legacy architectures while designing scalable, resilient, and event-driven solutions using Java and Spring Boot. The position involves strong exposure to APIs, integration layers, and architectural evolution within complex ecosystems. You will contribute directly to the reliability and performance of key digital journeys such as scheduling, routing, and operational efficiency. The environment is highly collaborative, technical, and oriented toward continuous modernization and engineering excellence. It is an opportunity to shape foundational backend platforms while ensuring stability and scalability across interconnected systems.