Senior Software Engineer

Senior Engineer Home-based with occasional travel (Must be in UK) Permanent | Full Time Competitive salary + bonus and benefits About the role Passionate about building great software and excited by what AI can bring to modern engineering? If so, we'd love to hear from you! Haven is looking for a Senior Engineer to join our talented Technology team, playing a pivotal role in shaping how we design, build and evolve the digital products behind memorable holidays for millions of guests. As a Senior Engineer, you’ll be a “go to” person within your squad, bringing deep technical expertise to both hands-on delivery and the wider engineering approach. You’ll define how features get built, drive them through to completion, and help others grow along the way. Around 80% of your time will be hands-on engineering, with the remainder spent guiding, mentoring and shaping technical direction. This is a fantastic opportunity for an engineer who’s excited by the current AI-driven shift in software development, keen to embed AI capabilities across the engineering life-cycle, and eager to help evolve how a modern team plans, designs, builds and validates software. Your Opportunity Design and deliver well-crafted, tested and maintainable solutions across our digital estateMake effective use of AI capabilities throughout the engineering life-cycle, continually evolving your practice as tools and techniques developAct as a technical “go to” for your squad, with a near-complete understanding of the systems you look afterDefine the approach to features and drive them through to completionEngage actively in product and engineering ceremonies, sharing ideas and constructively challenging assumptionsSupport and enable more junior engineers through knowledge sharing, coaching and mentoringDrive continual improvement within your squad and the wider engineering teamCommunicate progress, blockers and ideas clearly and openlySimplify and continually improve Haven’s digital estateKeep developing your own capability, taking advantage of internal development tools and opportunities What we’d like you to bring Proven experience as a software engineer within a similar environment, using relevant modern technologyExcellent working knowledge of one of C#, Dart or TypeScriptExcellent working knowledge of one of .NET, Flutter, React or Node.jsExcellent working knowledge of AI-enabled software engineering, including AI tooling, context management, prompting, agentic workflows and appropriate human validationStrong grounding in software design principles (SOLID, Clean Code) and testing practices such as TDDGood working knowledge of key technical areas including HTTP, REST, HTML and CSS, and/or relational databases depending on your focusSolid understanding of requirements engineering, story writing and acceptance criteriaFamiliarity with Agile, Lean and OKRs, along with CI/CD, logging, monitoring and alerting toolsGood working knowledge of AWS or Azure, DevOps and SRE principles, and security concerns such as OWASP Top 10Strong communication, collaboration and stakeholder management skillsA curious, pragmatic mindset with the ability to balance quality, sustainability, risk and pace Company Benefits 25 Days holiday + bank holidaysHoliday buy schemeDiscretionary annual bonus20% discount on both Haven and Warner Hotels holiday for you, family and friendsOne 4-night Haven break discounted 75%, per yearComprehensive well-being supportHealth cash planExclusive discounts with corporate partnersExciting career pathways, including Learning and Development opportunities such as Apprenticeships and DegreesEnhanced family friendly policies and pay (eligibility criteria applied) Interview Process Screening call with recruiter1st Stage Teams interview with Head of Engineering2nd Stage Pair Programming session with senior engineers