Senior Software Engineer (Java/GraphQL)
Solvd • PolandSolvd 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 on project status
Ability to learn quickly, adapt to new technologies, and perform tasks independently
Passion for writing clean, efficient, and maintainable code (and encouraging others to do so)
When you join Solvd, you'll…
Shape real-world AI-driven projects across key industries, working with clients from startup innovation to enterprise transformation.
Be part of a global team with equal opportunities for collaboration across continents and cultures.
Thrive in an inclusive environment that prioritizes continuous learning, innovation, and ethical AI standards.
Ready to make an impact?
If you're excited to build things that matter, champion responsible AI, and grow with some of the industry’s sharpest minds. Apply today and let’s innovate together.