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Senior Software Engineer (Java/GraphQL)

Solvd
CompanySolvd
CategoryEngineering
LocationPoland
RemoteOn-site (inferred)
EmploymentNot stated
LevelSenior
SalaryNot stated by the employer
Posted30 Jan 2026
Last verified30 Jul 2026
SourceEmployer career page (ashby)
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Description
Solvd Inc. is a rapidly growing AI-native consulting and technology services firm delivering enterprise transformation across cloud, data, software engineering, and artificial intelligence. We work with industry-leading organizations to design, build, and operationalize technology solutions that drive measurable business outcomes. Following the acquisition of Tooploox, a premier AI and product development company, Solvd now offers true end-to-end delivery—from strategic advisory and solution design to custom AI development and enterprise-scale implementation. Our capability centers combine deep technical expertise, proven delivery methodologies, and sector-specific knowledge to address complex business challenges quickly and effectively. We are looking for a Senior Software Engineer with experience in Java, GraphQL, and Kafka clusters to join our team. The ideal candidate will have experience developing scalable Java applications. About the project: We are developing a data retrieval and operations platform for a next-generation customer support system for a global e-commerce leader. The platform will provide a federated GraphQL interface that unifies access to multiple backend services, enabling low-latency, real-time data retrieval and transactional operations to support AI-driven workflows. The role will focus on designing, building and optimizing the platform to ensure scalability, reliability and test automation. This is a multi-team, collaborative initiative that requires close coordination with other delivery teams, adherence to high engineering standards and a strong focus on integration and architectural alignment. WHAT YOU WILL DO: - Develop and maintain the server-side logic of our applications using Java - Implement efficient and performant backend code for high-volume production applications - Monitor application health, identify related risks, and ensure reliability in production environment - Contribute to all phases of the development lifecycle, from concept to deployment - Review and refactor code, establishing best practices for code hygiene and organization EXPERIENCE AND SKILLS YOU NEED TO JOIN US: - 5+ years of backend development experience in Java and Spring Framework - Proficient in RESTful API design, experience with GraphQL APIs - Experience with message brokers (e.g., Kafka, RabbitMQ, ActiveMQ) and caching (e.g., Redis, Memcached) - Proficient with authentication and authorization mechanisms, especially OAuth 2.0 - Experience with containerization and orchestration tools like Docker and Kubernetes - Knowledgeable in performance troubleshooting, profiling, and debugging tools - Capable of solving complex challenges related to latency, data consistency, and performance in distributed systems - Understanding patterns of distributed systems design; resilience patterns such as circuit breakers, retries, and timeout - Proficient with code versioning tools, such as Git - Skilled in CI/CD tools and practices - English: B2+ (Written and Oral) - Experience working in a lean agile process - Proactive approach in understand the customer’s business and refining business requirements into technical requirements IT WOULD BE GREAT IF YOU ALSO HAVE: - Experience with API contract testing - NoSQL (e.g., MongoDB, Cassandra) - Prompt engineering and experience with integration of GenAI LLMs into productions (ideally) or pet projects at least (OpenAI, Azure OpenAI, Bard, Llama) - Familiarity with federated Graph architectures - Experience mentoring less experienced colleagues is a strong advantage - Team leader experience is a strong advantage - Hands-on experience with Google Cloud Platform - ReactJS experience THE IDEAL CANDIDATE WOULD HAVE: - Strong communication skills with experience in direct customer interactions. - Ability to engage with clients on technical issues, gather requirements, manage expectations and provide updates
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