Senior Software Engineer (Contractor)

Senior Software Engineer – Java (Contractor)
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Contractor
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Start Date: ASAP
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Fully remote within Hungary
As a Senior Software Engineer (Java) – Contractor at Beyond Sports, you’ll be focused on delivering robust, high-performance backend services and APIs that power digital experiences for millions of sports fans globally. This role is ideal for an experienced, hands-on engineer with strong Java and Spring expertise who thrives in a collaborative and fast-paced delivery environment.
You’ll work closely with cross-functional teams to build, integrate, and optimize systems that handle real-time sports data, video, and live commentary. This position is project- and delivery-focused, with no line management or people-leadership responsibilities required.

Key Responsibilities:

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Design and develop scalable backend systems using Java and Spring Boot
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Deliver well-structured, maintainable, and testable code aligned with project requirements
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Build and maintain RESTful APIs to support web and mobile applications
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Integrate with third-party data providers (e.g. sports data, video, commentary)
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Use Git to manage code versioning and contribute to shared repositories
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Manage deployments across multiple environments (Dev, Test, Staging, Prod)
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Ensure systems are performant, secure, and resilient
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Identify and manage project-level technical dependencies
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Participate in sprint planning and delivery-focused meetings with the wider team
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Write and maintain clear technical documentation
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Contribute to code reviews and uphold development best practices
Core Skills & Experience:
Expert-level knowledge of:
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Java 11+
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Spring Boot and Spring Framework (v5+)
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JPA/Hibernate and ORM principles
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Designing and building microservice architectures
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Creating and consuming RESTful APIs
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Git for version control and collaborative development
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JSON and working with structured data
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Unit testing with frameworks like JUnit
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Task management tools like JIRA
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Writing technical documentation for APIs and backend components
Proficient with:
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SQL (PostgreSQL, MySQL, or similar)
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Kafka or other messaging/event-driven platforms
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Docker containerization
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Kubernetes for orchestration
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AWS services (e.g., S3, Lambda, EC2, etc.)
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Maven for build and dependency management
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CI/CD pipelines and deployment automation
Basic understanding of:
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Python (scripts, tools, integrations)
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Frontend technologies: HTML, CSS, JavaScript (for context when integrating with frontend)