Senior Java Developer

🕒 July 2

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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 maintain scalable distributed systems with high availability and low latency • Architect and implement APIs and event-driven solutions aligned with business requirements • Participate in the development of marketplace services related to catalog, pricing, and inventory management • Troubleshoot and resolve complex production issues across services and infrastructure • Develop and execute unit, integration, regression, and performance tests • Collaborate with cross-functional engineering, QA, and DevOps teams • Contribute to architectural decisions and system optimization initiatives • Ensure high code quality through code reviews and engineering best practices • Support cloud-native deployment activities within AWS environments

🎯 Requirements

• 6+ years of commercial software development experience • Strong proficiency in Java development • Solid experience with Spring Boot and microservices architecture • Hands-on experience with Kafka or other event-streaming technologies • Experience designing and building scalable distributed systems • Practical knowledge of AWS services and Kubernetes / EKS • Strong understanding of event-driven architecture principles • Experience working with REST APIs • Knowledge of CI/CD pipelines and DevOps practices • Experience with SQL and NoSQL databases • Familiarity with AWS, Azure, or Google Cloud platforms • Upper-Intermediate or higher English level • Strong communication and collaboration skills • Experience with GraphQL is a plus • Understanding of high-load system optimization within the E-commerce domain is a plus

🏖️ Benefits

• Employees can work remotely • Competitive salary