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Java Backend Engineer (Contract) 6 months Fully remote (EU) Rate: 250–300 EUR/day We are looking for an experienced Java Backend Engineer to join a cross-functional delivery team building a modern data integration layer for a healthcare technology platform. The team is responsible for designing and scaling a GraphQL API layer that connects multiple product domains and unlocks new data workflows. This is a hands-on role with strong engineering standards and autonomy over technical decisions. Responsibilities • Design and build GraphQL and REST APIs with strong performance and clean domain boundaries, • Develop JVM-based services using Spring Boot and modern engineering practices, • Own services through design, implementation, deployment, monitoring and optimisation, • Work closely with Product, QA and DevOps to deliver features end-to-end, • Implement best practices for secure, reliable and maintainable code, • Contribute to performance tuning, caching strategies, pagination, resilience patterns and service health, • Participate in code reviews and knowledge sharing within the team Required skills • Solid hands-on experience with Java (11+) and Spring Boot in production, • Strong understanding of concurrency, collections and JVM fundamentals, • Experience with RESTful APIs; GraphQL experience beneficial, • SQL and NoSQL experience (e.g., PostgreSQL, MySQL, MongoDB, Redis), • Familiarity with Kafka or RabbitMQ for event-driven integration, • Comfortable with CI/CD pipelines and cloud environments (AWS/Azure/GCP), • Strong testing mindset (unit, integration, contract) and automation awareness, • Understanding of OAuth2/OIDC, JWT and general security patterns, • Familiarity with observability tools (OpenTelemetry, Prometheus, Grafana, ELK etc.) Nice to have • Previous work with healthcare or regulated environments, • Experience in distributed systems or platform teams, • Experience mentoring or supporting engineering peers Offer • 6-month contract, • Fully remote work within the EU, • Daily rate 250–300 EUR depending on experience, • Opportunity to work with a modern architecture and high-impact domain Ideal Start: ASAP Availability: EU-based contractors only

Job Spec - Backend Engineer About Beacon Beacon is building the AI Supply Chain workspace that customers really want. We're building end-to-end visibility, automated workflows, and effortless collaboration that create material savings and unlock new value for our customers. Backed by leading venture investors we’re a team passionate about product and solving the most complex day-to-day problems our customers experience. We ship fast, learn faster, and believe the best product wins. The Role We're looking for a backend engineer with strong fundamentals who leverages AI tooling to move fast and ship pragmatic solutions. You'll own significant parts of our platform, lead technical initiatives, and scale infrastructure as we grow. Individual ownership, proactive problem-solving, and using AI to accelerate delivery are essential. What you’ll do: • Contribute and lead new technical and product initiatives, • Take a hands-on approach to design, architecture, development, and deployment of pragmatic software that powers Beacon's platform, • Conduct thorough code reviews and seek out simplicity What you’ll need: • 3+ years Java & Spring Boot, • AWS service development and deployment, • Solid expertise in backend development, microservices architecture, and CI/CD best practices, • Track record maintaining secure applications in production, • Strong written and verbal communication skills, • Growth-oriented mindset, • Early-stage startup experience Nice to haves: • SQL, ElasticSearch, GraphQL, • GitLab CI/CD pipelines, • Fullstack skills including Typescript, React, Styled-components, HTML & CSS, • Supply chain domain knowledge

A global payments technology leader in the UK is seeking a qualified backend developer to create and maintain robust backend systems using Java and Spring Boot.

Candidates must have at least 3 years of hands-on experience with Java and Spring Boot, be eligible for Security Clearance, and have resided in the UK for the past 5 years.

The ideal candidate has strong expertise with Java and Spring Boot, experience with microservices and REST APIs, and is comfortable in Agile environments.

A leading e-commerce company in Greater London is seeking a backend developer to develop and maintain transaction-related services using Java and Spring Boot.

The ideal candidate will have experience with Java 9+, Spring Boot, and Kotlin, along with a solid background in eCommerce.

Experience with DI frameworks such as Spring.

Experience with DI frameworks such as Spring.

A leading data collaboration platform in Greater London is seeking a mid-level Software Engineer with strong experience in Apache Spark and developing RESTful APIs.The successful candidate will design applications for large-scale data processing while working within cloud-native environments.Respons

Key qualifications include experience in Java and Spring boot, strong problem-solving skills, and familiarity with cloud platforms.

You will work with Java, Spring Boot, and MySQL to develop high-quality software solutions.

The ideal candidate should have 2-3 years of hands-on experience with Java, Spring Boot, and a solid understanding of testing with JUnit.

A financial technology company in London seeks a Backend Engineer to design and maintain scalable backend systems.Ideal candidates will have over 5 years of experience in backend development, strong Java skills, and the ability to build complex products in a fast-paced environment.The position offer

A leading review technology company in the United Kingdom is looking for a Software Engineer to enhance its SaaS product.The role requires 3-5 years of experience in Java development, especially with microservices and REST APIs.You will collaborate within an agile team, employing best practices like

This role involves designing and maintaining backend applications and RESTful APIs using Java and Spring Boot.

Key responsibilities include executing software solutions and maintaining production code, with essential skills in Java, Spring Boot, and front-end technologies.

Lead Software Engineer (Java, Spring Boot, Microservices). Significant hands on experience with Java, Spring Boot and Microservices. Lead Software Engineer (Java, Spring Boot, Microservices).

Candidates must have a strong background in Java and Spring Boot, with at least 3 years of hands-on experience, and must be eligible for Security Clearance.

A tech consulting firm in the United Kingdom is seeking a Senior Software Engineer specializing in Java and Spring Boot.

Senior Java Spring Boot Software Engineer 12 month FTC. Senior Java Spring Boot Software Engineer. You will be responsible for upskilling and engaging with other engineers in Java and Spring Boot, and weigh in heavily on defining and architecting a greenfield microservices project in AWS.

A leading IT consultancy in the UK seeks a Fullstack Developer for a remote position, initially for 3 months.Candidates should have deep expertise in JavaScript, HTML, Node.Responsibilities include developing scalable services and integrating with various systems on AWS.The role requires familiarity

A digital consultancy client in the United Kingdom is seeking an IT Delivery Consultant with expertise in Java Development, specifically Spring Boot.

Java/Spring Boot Junior Software Engineer. Java/Spring Boot Junior Software Engineer. Experience with DI frameworks such as Spring.

You will develop high-performing applications using Java 21+ and Spring Boot, engage in Docker and Kubernetes management, and contribute to a collaborative environment.

The role requires strong expertise in Java, Angular, and Spring, along with a deep understanding of databases.

A market leading InsurTech provider is seeking a skilled Senior Java Developer to join their core software engineering team in London.This hybrid role allows you to lead technical initiatives and mentor team members.You will be responsible for building systems that are scalable and maintainable, whi

A leading global technology services provider is seeking a Full Stack Developer to join their dynamic team in Greater London.The ideal candidate will possess strong expertise in front-end technologies like React and Next.The role also requires familiarity with AWS and Jenkins for continuous integrat

A leading beauty brand in Greater London seeks a motivated Software Engineer - Backend to design and build scalable services primarily using Java and Spring Boot within an AWS environment.

A leading data collaboration platform is seeking a mid-level Software Engineer to develop Apache Spark applications and RESTful APIs in a cloud-native environment.The ideal candidate will have over 3 years of experience, strong analytical skills, and a problem-solving mindset.You will work closely w

A leading technology firm is hiring a Senior Java Engineer to build secure, real-time systems using Java, Spring Boot, and Apache Kafka. With the option to work remotely from anywhere in the UK, applicants with over 10 years of experience in backend engineering, especially with Kafka-based systems a

The role requires experience in Agile delivery, Java development using Spring Boot, and familiarity with cloud services like AWS or Azure.

The ideal candidate has extensive experience with Java and Spring Boot, alongside strong mentoring skills.

The role involves designing and maintaining software applications using technologies such as AWS, SQL, Spring Boot, and Java.

The successful candidate will be responsible for developing new features using Java 17+, Spring Boot, and Kafka, while collaborating with cross-functional teams to enhance user experience.

The ideal candidate has over 5 years of Java experience, expertise in Spring Boot microservices, and a passion for clean coding practices.

The ideal candidate will have extensive experience with Java 17+, Spring Boot, and Kafka, and will work in a hybrid model requiring two days in the office.

Your main responsibilities will include designing and implementing microservices using the Spring Boot framework, ensuring compliance with the Software Development Life Cycle, and building pipelines on Azure/AWS.

We are looking for a Lead Software Engineer who will be responsible for the design, development, and deployment of high-quality software solutions.This role involves leading a team of engineers on high-profile projects, ensuring best practices are followed, and driving continuous improvement in soft

The successful candidate should have strong proficiency in Java and Spring Boot, along with substantial experience in API design and leadership.

A leading review platform in the UK is seeking a seasoned Software Engineer to enhance its SaaS product.The role focuses on developing and maintaining Java-based applications with a microservices architecture.Ideal candidates will have 3-5 years of experience, especially with REST APIs and modern Ja

Candidates should have expertise in Core Java and familiarity with Kotlin, Spring Boot, AWS, and Kafka.

A leading data collaboration platform in Greater London is looking for a mid-level Software Engineer.This role involves designing and maintaining Apache Spark applications, developing RESTful APIs, and deploying solutions in cloud-native environments such as GCP and AWS.Candidates should have 3+ yea

The role focuses on building robust backend services for sports applications and involves designing scalable systems with Java and Spring Boot.

The ideal candidate will have strong experience in Java and Spring Boot, and will work in an agile delivery team, building high-quality services and mentoring junior engineers.

The ideal candidate will have a minimum of 5 years of software development experience, specializing in Java, Spring Boot, and RESTful services.

This role involves working with Java and Spring Boot, as well as contributing to front-end development with Angular or React.

The role focuses on backend services using Spring Boot while also integrating with mobile applications.