Senior Software Engineer (Java)

Ireland·DublinPermanentsenior

Software EngineerSoftware Engineering

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Overview

Tech that takes you places We’re CarTrawler, the global travel tech company behind seamless connections between people, places and possibilities.

Technical Tools

Software EngineerSoftware Engineering

We’re CarTrawler, the global travel tech company behind seamless connections between people, places and possibilities. From powering car rental to creating smarter ways to move, we make travel smoother for millions worldwide. Our culture is built on curiosity, collaboration and craic where every idea counts and every journey matters. Ready to make an impact? Let’s go places together.

CarTrawler’s Product & Technology team brings innovation to every journey. Together, our engineers, product managers, designers and analysts use creativity, data and AI innovation to solve challenges that make travel easier for everyone. From building seamless digital experiences to powering smarter automation behind the scenes, we’re shaping a future where technology and people work hand in hand.

Play a key role in building the technology that powers millions of travel experiences around the world. As a Senior Software Engineer (Java), you'll design and deliver scalable backend services that support our core platform, enabling seamless customer journeys, smarter business decisions and stronger partner integrations. Working as part of a collaborative, cross-functional engineering team, you'll combine technical expertise with leadership, mentoring others while driving engineering excellence. If you're passionate about solving complex challenges with modern Java technologies and enjoy shaping the future of high-performing software, we'd love to hear from you.

Design, build and evolve scalable, high-quality Java services and RESTful APIs that power our core travel platform and customer experiences.
Lead technical design discussions, collaborating with Architects, Product Managers and Engineering Managers to deliver simple, scalable and maintainable solutions.
Build resilient integrations with payment providers, travel partners, data platforms and third-party technologies that expand our platform capabilities.
Champion engineering excellence through code reviews, testing, observability, CI/CD and operational best practices while promoting continuous improvement.
Mentor and support engineers through coaching, pairing and knowledge sharing, helping to grow technical capability across the team.
Investigate and resolve complex production issues, identifying opportunities to improve system performance, reliability and scalability while embracing AI-assisted development responsibly.

Extensive experience (6+ years) developing enterprise applications with Java (Java 17+ preferred), alongside Spring Boot, Hibernate and JPA.
Strong understanding of software architecture, object-oriented design principles and building scalable, distributed backend systems.
Proven experience designing and delivering RESTful APIs and integrating with third-party services using resilient integration patterns.
Solid knowledge of SQL, relational databases, Git, Maven and modern CI/CD practices within Agile software development environments.
A collaborative mindset with the ability to influence technical decisions, communicate effectively with cross-functional stakeholders and mentor fellow engineers.
Curiosity for emerging technologies, including AI-assisted engineering tools, with a pragmatic approach to delivering secure, high-quality software that creates business value.

We know that looking for a new job can feel a bit daunting but don’t let a touch of imposter syndrome hold you back. Even if you don’t tick every box, we’d still love to hear from you! Apply today to stay connected.

At CarTrawler, we’re proud to be an equal opportunities employer. We celebrate diversity and are committed to creating an inclusive environment for everyone. No matter your background, identity, or life experience, if you’re passionate about what you do, you’ll be welcomed here.

What We Offer

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✓Competitive pay and benefits, including a performance-based annual bonus, fully subsidised VHI health insurance and pension matching up to 4%.

✓Generous time off and flexible working, including 25 days’ annual leave, extra company days, monthly Friday Unplugged afternoons and the option to work abroad for up to 20 days a year.

✓Comprehensive wellbeing support, including access to health and mental health programmes (HeadsUp and EAP) and paid leave for marriage, volunteering and personal wellbeing including menstrual, menopause and fertility leave.

✓Growth and recognition culture, with development opportunities through training, coaching and study support, plus programmes that celebrate individual and team achievements.

✓Everyday perks that make a difference, including a subsidised canteen (KC Peaches), on-site car parking, Bike to Work and TaxSaver schemes, plus an active Sports & Social Club.