Senior Java/Kotlin Software Engineer

TL;DR

Senior Java/Kotlin Software Engineer: Designing and implementing high‑performance backend services and APIs in a modern cloud-native environment with an accent on performance, scalability, and security. Focus on microservices architecture, service integrations, and continuous improvement for availability and latency.

Location: São Paulo‑SP (hybrid).

Company

hirify.global is one of the world's leading professional services companies, transforming clients' business, operating, and technology models for the digital era.

What you will do

• Design and implement backend services using Java and Kotlin, following clean architecture and best practices.
• Build and maintain RESTful APIs and service integrations with strong focus on performance, scalability, and security.
• Develop and operate microservices and distributed systems, collaborating on service contracts, versioning, and backward compatibility.
• Write and maintain automated tests, ensuring quality gates and preventing regressions.
• Contribute to engineering excellence through code reviews, design reviews, documentation, and mentoring.
• Participate in incident troubleshooting, root cause analysis, and continuous improvement for availability and latency.

Requirements

• 8+ years of professional software engineering experience, including strong backend development.
• Strong proficiency in Java and solid experience with Kotlin in production environments.
• Proven experience with Spring Boot / API-driven architectures.
• Strong understanding of software design patterns, data structures, and backend fundamentals.
• Strong knowledge of testing practices and tools (e.g., JUnit, Mockito).
• Experience with Git and modern CI/CD workflows.
• English: Advanced or Fluent — able to participate in technical discussions, write documentation, and collaborate with global stakeholders.

Nice to have

• Cloud experience, especially Google Cloud Platform (GCP).
• Familiarity with Protocol Buffers / gRPC and service contracts (where applicable).
• Experience with messaging/streaming and caching patterns (e.g., RabbitMQ/Redis) in distributed systems.

Culture & Benefits

• Be part of a high caliber team who appreciate and support one another.
• Work in an energetic, collaborative and inclusive workplace where everyone can thrive.
• Be part of a global community with more than 300,000 associates around the world.
• Foster an innovative environment where you can build the career path that’s right for you.