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Descrição da vaga Responsabilidades e atribuições Desenvolver APIs reativas e de alta performance utilizando Spring Boot WebFlux, garantindo escalabilidade e baixa latência em ambientes assíncronos; Projetar e implementar arquiteturas event-driven com padrões como CQRS, Event Sourcing e mensageria via Apache Kafka ou Redpanda; Otimizar operações de I/O não-bloqueante com programação reativa (Project Reactor) e técnicas de programação funcional (Java Functional APIs, Vavr); Garantir resiliência e tolerância a falhas em microsserviços através de padrões como Circuit Breaker (Resilience4j), Retry e Dead Letter Queue (DLQ); Trabalhar com bancos de dados reativos (MongoDB Reactive Streams); Integrar sistemas heterogêneos (SOAP, REST, gRPC) com foco em contratos definidos (OpenAPI, Protocol Buffers); Participar da definição de boas práticas e arquiteturas como Clean Code, SOLID, DDD e testes automatizados (JUnit, TestContainers, MockWebServer); Colaborar com times de DevOps na construção de pipelines CI/CD (GitHub Actions. Requisitos e qualificações Graduação em Ciência da Computação ou áreas afins; Experiência sólida com Spring Boot WebFlux, Project Reactor (Mono/Flux) e programação reativa; Sólidos conhecimentos do paradigma funcional; Boa base acadêmica, principalmente em avaliação e otimização de algoritmos; Domínio de Apache Kafka (produtores/consumidores, Kafka Streams, Schema Registry) ou Redpanda; Conhecimento avançado em estruturas de dados (álgebra de listas, grafos, estruturas imutáveis) e algoritmos; Familiaridade com bancos reativos (R2DBC, Reactive MongoDB) e SQL (PostgreSQL, indexação, query planning); Experiência em arquiteturas distribuídas (Saga, Outbox Pattern) e mensageria (RabbitMQ, Pulsar); Proficiência em Java 17+ (Records, Pattern Matching, Virtual Threads) e ferramentas como Lombok, MapStruct; Conhecimento em cloud computing (AWS/GCP) e containers (Docker, Kubernetes); Vivência com observabilidade (OpenTelemetry, Micrometer) e logging estruturado (ELK, Grafana Loki). Become a Compasser, be part of AI/R. Compass UOL is a global firm and part of the AI Revolution Company, together transforming organizations using Artificial Intelligence, Generative AI, and other of today’s most advanced technologies. We equip our team with proprietary and external AI-driven tools to design and build digital-native platforms, integrating cutting-edge technologies and enabling companies to innovate, transform their businesses, and drive success in their markets. To achieve this, we attract and develop the best talent, creating opportunities that enhance people’s lives and highlight the positive impact of disruptive technologies. We empower borderless talent and promote knowledge and opportunities in the latest market trends, driving significant personal and professional growth. Join us and be part of the AI-driven revolution.
Here's where they are and how to stand out in your next interview.
24.795Jobs
9.577IN
74%EN
That number includes positions in India (9,577), Poland (3,429), the United States (1,753), Singapore (787), and Brazil (779). If you're looking to move or work remotely, check which countries match your goals — then filter WorkMundi by location to see what's actually hiring near you.
Most developer ads you'll see are written in English: 18,397 of the 24,795. That doesn't tell you whether the job itself requires you to speak English or work in English daily, so read each posting carefully. Don't assume the language of the ad matches the language of the team.
The employers posting the most developer roles are Link Group (369 jobs), Upvanta (257), jobgether (226), and OfferZen (212). If you're applying to any of these, research their hiring patterns. They move fast and post often, which means they're either scaling hard or replacing people who didn't fit.
In your interview, expect this: 'Walk me through the last time you had to debug something that took you more than an hour. What was it, what did you try first, and what would you do differently?' Hiring managers ask this to see if you think systematically or just try random fixes. Have a real example ready with specifics.