Senior Backend Developer, Java

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🕒 April 20

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GOK | Digital Innovation

WebsiteLinkedInAll Job Openings

201 - 500 employees

Founded 2009

🤖 Artificial Intelligence

🤝 B2B

Artificial Intelligence • B2B

GOK | Digital Innovation is a Brazilian digital innovation and AI consultancy that helps companies unlock business value from artificial intelligence. The firm develops AI-driven products and platforms (including a 'No Friction AI' feedback-to-backlog SaaS), runs AI assessments and labs, and provides hybrid squads to build and scale digital solutions for startups and enterprises. GOK emphasizes AI exploration, implementation, and innovation services to drive measurable business outcomes.

📋 Description

• Develop and enhance backend services in Java, working on business-critical flows. • Design, implement, and evolve robust, versioned REST APIs. • Work with microservices-based architectures and Backend-for-Frontend (BFF) patterns. • Implement complex business rules with a focus on reliability and traceability. • Integrate high-criticality internal and external systems. • Ensure security, performance, resilience, and observability of services. • Actively participate in analyzing and resolving complex issues, including production incidents. • Participate in technical decision-making, architecture refinements, and the definition of standards. • Mentor and support less experienced developers when needed.

🎯 Requirements

• Modern Java (17+ / 21) • Spring Boot and/or Micronaut • REST API development (contracts, versioning, idempotency) • Microservices architecture • BFF pattern and service orchestration • Event-driven programming and asynchronous processing • System integrations (REST, events, webhooks) • Authentication and authorization implementation (OAuth2, JWT, RBAC) • Error handling, timeouts, retries, and circuit breaker patterns • Data persistence with relational databases (PostgreSQL, MySQL, or equivalent) • Schema versioning and migrations (Flyway, Liquibase, or similar) • Messaging systems (Kafka, SQS, RabbitMQ, or similar) • Observability (structured logging, metrics, distributed tracing) • Writing automated tests (unit and integration) • Backend application security (OWASP Top 10) • Containers and orchestration (Docker, Kubernetes) • Git in a collaborative environment (PRs, code reviews)

🏖️ Benefits

• Education assistance • Flexible working hours • Gympass • Remote work (home office) • Day off • Telepsychology • Telemedicine