Java Developer

🕒 May 7

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Sigma Software Group

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 2002

🎮 Gaming

📡 Telecommunications

Software Development • Gaming • Telecommunications

Sigma Software Group is a multinational company, established in 2002, that specializes in providing high-quality software development, graphic design, testing, and support services. The company focuses on delivering solutions across various industries such as automotive, telecommunications, aviation, advertising, gaming, banking, real estate, and healthcare. Sigma Software values professional growth, offers remote work opportunities worldwide, and caters to world-renowned clients like AstraZeneca, Scania, and SAS. The company emphasizes a culture of continuous education, mentorship, and flexible work environments, making it a preferred workplace for IT specialists aiming to work on complex solutions utilizing cutting-edge technologies. Sigma Software is committed to innovative solutions and engineering the future while also contributing to social causes such as charitable work in Ukraine.

📋 Description

• Design, develop, and implement large-scale distributed systems to handle substantial data volumes, ensuring scalability, low latency, and fault tolerance • Architect and implement APIs and event-driven solutions to meet system requirements and enhance functionality • Diagnose and resolve complex production issues across services and the technology stack, delivering both code and data fixes • Create and execute comprehensive unit tests, API tests, regression tests, and performance tests to ensure the reliability and efficiency of the system • Work closely with cross-functional teams to promptly address and resolve production incidents, ensuring minimal downtime and swift recovery

🎯 Requirements

• 3+ years of software development experience • Proficiency in Java 21, Spring Boot WebFlux, GraphQL, JPA / Hibernate (AuroraDB) • Strong knowledge of CI/CD pipelines and related tools • Hands-on experience in designing, building, and deploying scalable, highly available systems • Experience with event-driven architectures and a deep understanding of at least one event streaming solution (e.g., Kafka, SNS) • Proficiency in both SQL and NoSQL databases • Familiarity with cloud platforms such as AWS, Azure, or Google Cloud • Strong analytical and problem-solving skills • At least an Upper-Intermediate level of English