Senior Java Developer
Sigma Software1 day ago
Remote, BrazilSenior
Responsibilities
- Design, develop, and implement large-scale distributed systems capable of handling substantial data volumes.
- Build scalable, fault-tolerant, and low-latency backend services.
- Architect and implement APIs and event-driven solutions.
- Diagnose and resolve complex production issues across services and infrastructure layers.
- Develop and execute unit, API, regression, and performance tests.
- Collaborate with cross-functional teams on incident resolution and system reliability.
- Participate in architecture discussions and contribute to engineering best practices.
- Optimize system scalability, availability, and operational performance.
- Support continuous improvement of deployment and CI/CD processes.
Requirements
- 7+ years of software development experience.
- Strong proficiency in Java and Spring Boot.
- Experience with Kafka or other event streaming solutions.
- Familiarity with AWS and EKS.
- Strong knowledge of CI/CD pipelines and related tools.
- Hands-on experience designing and deploying scalable, highly available distributed systems.
- Strong understanding of event-driven architectures.
- Experience working with SQL and NoSQL databases.
- Familiarity with AWS, Azure, or Google Cloud.
- Strong analytical, problem-solving, communication, and collaboration skills.
- Advanced English proficiency at C1 level or higher.
Benefits
- Full-time remote work opportunity based in Brazil.
- Opportunity to work on a customer-facing platform serving millions of pet owners.
- Professional development opportunities in a remote-first, collaborative international environment.
- Opportunity to work with modern technologies and influence architectural decisions.
About Sigma Software
Sigma Software is a London-headquartered, privately held IT consultancy that designs and builds custom software for startups and enterprises. The company provides end-to-end services—engineering, web and mobile development, .NET/Java platforms, AR/VR, and UI/UX—delivered via outsourcing, managed teams, and consulting. Founded in 2002, it supports long-term product development and modernization projects across multiple industries for global clients.