High-Performance Java Specialist

24 hours ago


London, Greater London, United Kingdom Healthily Full time
About the Role

We are looking for a talented Senior Backend Engineer to join our team at Healthily.

In this role, you will be responsible for designing and developing high-performance backend systems using Java and related technologies.

You will also develop RESTful APIs for business partner consumers and work on Spring Boot and Micronaut-based microservices to deliver scalable solutions.

Estimated Salary: £80,000 - £110,000 per annum.

Main Responsibilities
  • Design and develop high-performance backend systems using Java and related technologies.
  • Develop RESTful APIs for business partner consumers.
  • Work on Spring Boot and Micronaut-based microservices to deliver scalable solutions.
  • Collaborate with cross-functional teams (Product, Design, Frontend, AI) to implement new features and improvements.
  • Write clean, well-documented code adhering to industry best practices.
  • Participate in code reviews, ensuring high-quality standards and robust testing practices.
  • Take ownership of services and applications at scale.
Essential Requirements
  • Expertise in developing backend systems and building REST APIs.
  • Proficiency with modern Java/JVM-based application development.
  • Experience with cloud services (AWS SDK, Google Cloud Libraries).
  • Hands-on experience with containerized deployments using Docker.
  • Demonstrated ability to write maintainable and reliable code.
  • Strong stakeholder collaboration skills, integrating diverse perspectives.
  • Familiarity with CI/CD systems (e.g., CircleCI).
  • Proficiency with Spring Boot and Micronaut frameworks.
  • Experience designing asynchronous, event-driven applications using ReactiveX frameworks.
  • Knowledge of securely encrypting and storing sensitive data.
Desirable Skills
  • Contributions to open-source projects or maintaining personal projects.
  • Exposure to frontend/API-consumer development.


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