Mid-Level Core Java Engineers

Company: Fusion Health
Apply for the Mid-Level Core Java Engineers
Location: London
Job Description:

About us

Travelfusion is the world’s largest travel B2B content aggregator for low cost airline flights powering the ability to search and book these flights on leading online, business and leisure travel agents websites, mobile sites and call centres worldwide. The business also offers a wide range of full service airlines, hotels and rail companies on its platform. In addition Travelfusion has developed a range of payments services, tfPay, which manages payments and reconciliations for millions of air tickets. We are a dynamic SaaS technology company, rapidly growing profitable business with 230 employees based in London, Shanghai and Thessaloniki.

Due to growth we are expanding our core Java Engineering team based in London. Technically, you will have knowledge of J2SE programming, understanding of web architectures and databases. Your knowledge/experience in Java will be at expert level and include software design principles and familiarity with algorithms and data structures. This role need a minimum of 3 years experience and you will have ideally touched concurrency and understand heap, etc.

Responsibilities

  • Contribute to all phases of the development lifecycle
  • Write well designed, efficient code
  • Ensure designs are in compliance with specifications
  • Prepare and produce releases of software components
  • Projects
  • Mentoring and training

Required Skills and Knowledge

  • Java (Core / J2SE)
  • Proactive attitude
  • Ability to own projects, work both independently and in an agile team, with rapidly changing priorities
  • Knowledge of algorithms and data structures
  • Understanding of common OO design patterns
  • Good written and verbal communication skills

Desired skills and knowledge

  • Computer Science background or degree
  • Commercial Core Java experience (including concurrency and multi-threading)
  • Experience of working in a fast paced startup environment
  • Database knowledge & experience (SQL, schema design, JDBC)
  • Understanding of network / web technologies (HTTP, HTML, XML)
  • Ability to develop clean, self-documented code as part of a team and write clear technical documentation

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Posted: June 13th, 2026