Java Engineer

Product & Technology

Location: Dublin

CarTrawler is the leading B2B technology provider of the car rental and mobility solutions to the global travel industry. Our purpose is to drive successful partnerships. CarTrawler’s end-to-end technology platform expands our airline and travel partners’ offering to their customers, creating substantial ancillary revenue opportunities. We provide unrivaled breadth and depth of content worldwide, including car rental, private airport transfer, and ride-hailing services.

CarTrawler creates innovative, data-led solutions for some of the largest travel brands in the world, including United Airlines, American Express, EasyJet, Alaska Airlines, SWISS,, and Emirates. As a B2B company, we focus solely on helping our airline and travel partners build their brands, not our own.

Role Purpose
CarTrawler’s server-side car and transportation platforms are developed by several in-house Java technology teams. While each of the teams focus on different aspects of the technology stack, they share common software architectures, working practices, agile methodologies and design strategies. This role has responsibility for participating in one such team, contributing to the development and delivery of features, projects and commitments agreed with the business. The Mid-Level Java Engineer is expected to demonstrate a high degree of initiative in terms of design and implementation decisions, while collaborating with senior engineers to review and ensure best practices are implemented – particularly in respect of new and novel technology initiatives. Additionally, the Mid-Level role is expected to provide mentoring and director to Junior engineers, contributing to code reviews and design reviews with the goal of ensuring quality and maintainability of the overall codebase.

Main accountabilities and key tasks:

  • Participating in technical design. Validating strategies with Senior Engineers and Engineering Manager to ensure best practices and recognised design patterns are used. Striving for simplicity.
  • Collaborating with developers on the same team and across the entire technology team. Ensuring knowledge is shared.
  • Implementing efficient and performant solutions. Avoiding over-optimisation but recognising compute-intensive or IO intensive solutions and tuning / validating as appropriate.
  • Implementing test-able, maintainable code. Following the Java team’s pragmatic, defensible test strategies to ensure a desired level of quality.
  • Working with Engineering Manager to deliver prioritised features and projects to the business according to agreed priorities and timing commitments.
  • Providing input into the evolving Agile Strategy, Architecture, Continuous Integration and Automation.

Critical Interfaces:

  • Fellow Java Developers
  • Product Technology Teams
  • Business Teams within CarTrawler

Knowledge and Experience:

  • Experience participating in agile planning and cross-functional stand-ups.
  • Experienced Java (enterprise) developer. 4+ years of Java development experience.
  • Working knowledge of Gang of Four Design Patterns.
  • Working knowledge of frameworks such as Spring, Hibernate, JPA. Particularly in terms of the design and development practices they represent (Inversion of control, Modularity, Composition, etc)
  • Awareness of emerging technologies and methodologies, recognising when there are efficiencies to be gained or competitive advantages in adopting or investigating new technologies.
  • Experienced developing scalable Java Enterprise applications.
  • Experienced in database integration – particular emphasis on Relational & Transact SQL.

Additional Info

Environmental, Social, and Governance
You will be an ambassador of our culture and social and environmental credentials.
CarTrawler is fully committed to ensuring equal opportunities supported by an environment based on mutual respect, inclusion, and dignity at work for all our people.  We welcome diversity, valuing the benefits it brings to the workplace.  We have a zero-tolerance approach to discrimination of any kind.
The criteria with regards to decisions on positions and promotions is an individual’s ability, behaviors, and merit to perform in the role. To this end, CarTrawler strives to ensure that recruitment, employment, training, and promotion practices and policies do not directly or indirectly discriminate.
We are a purpose-led, values-driven company, with a focus on a culture of shared wins where relationships make the difference. We strive to foster a culture of continuous learning encouraging our people to invest in themselves to Thrive.  
CarTrawler will ensure that candidates who are interviewing with disabilities are provided with reasonable accommodations. If reasonable accommodation is needed to participate in any CarTrawler job application or interview process, to perform essential job functions, and/or to receive other benefits of employment, please contact us at [email protected]
Some of Our Benefits
Hybrid Working: Hybrid working at CarTrawler is a combination of office and remote working. Most of the time, people will have flexibility in terms of where they want to work.
Financial Wellbeing: All employees from day one, whatever their role, are entitled to share options as part of our unique equity scheme offering, we also have an annual performance-related bonus, pension, income protection & life assurance.
Health: Premium VHI health insurance is provided for all team members, we have a dedicated team of Mental Health First Aiders, an Employee Assistance Programme, “Friday Unplugged” – last Friday of every month we have a half-day mental health break.
Leave: 25 days annual leave & 2 company days, as we know life often takes over, as it should! For these instances we offer all eligible team members paid maternity, adoptive, paternity, parents, and marriage leave 
Development: We have a dedicated Talent Management Team and Development Framework “Thrive” which supports your professional and personal development throughout your CarTrawler career.

Join the Human Traveltech Company