Senior Software Engineer (Contractor)

Wearebeyondsports; Greater London; Remote; GBP 60,000 - 94,000; Part time

Job summary

Beyond Sports seeks a Senior Software Engineer (Java) contractor to design and implement scalable backend services powering real-time sports data for millions of fans worldwide. You will work with Java 11+, Spring Boot, and microservice architectures to deliver robust APIs and data processing components.

This role is fully remote within Hungary, ASAP start, with no line management duties. You will collaborate with cross-functional teams to ensure high performance, security, and maintainability

Qualifications

• Expert-level Java backend development experience
• Strong Spring Boot & Spring Framework knowledge
• Experience with JPA/Hibernate and ORM concepts
• Designing microservice architectures and RESTful APIs
• Solid Git workflows and version control practices
• Experience handling JSON data and testing with JUnit
• Proficient with Jira for task management
• Ability to write clear API/backend docs

Responsibilities

• Design and develop scalable backend systems using Java and Spring Boot
• Deliver well-structured, maintainable, and testable code
• Build and maintain RESTful APIs for web and mobile apps
• Integrate with third-party data providers (sports data, video, commentary)
• Use Git for version control and contribute to shared repositories
• Manage deployments across Dev, Test, Staging, Prod environments
• Ensure systems are performant, secure, and resilient
• Identify and manage project-level technical dependencies
• Participate in sprint planning and delivery-focused meetings
• Write and maintain API/backend technical documentation
• Contribute to code reviews and uphold best practices

Skills

Java 11+

Spring Boot

Spring Framework

JPA/Hibernate

Microservices

RESTful APIs

Git

JSON

JUnit

JIRA

Technical documentation

Tools

Kafka

Docker

Kubernetes

AWS

Maven

CI/CD

Job description

Senior Software Engineer - Java (Contractor)

• Contractor
• Start Date: ASAP
• 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:

• Design and develop scalable backend systems using Java and Spring Boot
• Deliver well-structured, maintainable, and testable code aligned with project requirements
• Build and maintain RESTful APIs to support web and mobile applications
• Integrate with third-party data providers (e.g. sports data, video, commentary)
• Use Git to manage code versioning and contribute to shared repositories
• Manage deployments across multiple environments (Dev, Test, Staging, Prod)
• Ensure systems are performant, secure, and resilient
• Identify and manage project-level technical dependencies
• Participate in sprint planning and delivery-focused meetings with the wider team
• Write and maintain clear technical documentation
• Contribute to code reviews and uphold development best practices

Core Skills & Experience:

Expert-level knowledge of:

• Java 11+
• Spring Boot and Spring Framework (v5+)
• JPA/Hibernate and ORM principles
• Designing and building microservice architectures
• Creating and consuming RESTful APIs
• Git for version control and collaborative development
• JSON and working with structured data
• Unit testing with frameworks like JUnit
• Task management tools like JIRA
• Writing technical documentation for APIs and backend components

Proficient with:

• SQL (PostgreSQL, MySQL, or similar)
• Kafka or other messaging/event-driven platforms
• Docker containerization
• Kubernetes for orchestration
• AWS services (e.g., S3, Lambda, EC2, etc.)
• Maven for build and dependency management
• CI/CD pipelines and deployment automation

Basic understanding of:

• Python (scripts, tools, integrations)
• Frontend technologies: HTML, CSS, JavaScript (for context when integrating with frontend)

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