Senior Software Engineer - Flight Booking

We’re On the Beach! Since 2003, we've been rewriting the rules of how people discover, book, and experience their perfect getaway. What started as connecting people to short-haul beach holidays has evolved into something much bigger - premium beach destinations, long-haul adventures, and vibrant city breaks – and that’s just the beginning of our story.

We send around two million holidaymakers on their dream breaks every year. And we're still growing.

Powered by our deep-rooted entrepreneurial spirit, proprietary tech, curiosity and our incredible people, we’re accelerating - delivering best in class technology, the ultimate holiday app, and experiences that keep our customers coming back for more.

Ready to build the future of travel with us?

About The Role

At On the Beach, our Flights Booking team builds and maintains the platform connecting our customers to our broad range of flight providers.

The team ensures that the wide selection of flight combinations available to our customers is booked successfully with our suppliers every time.

Our systems map across a broad range of supplier technologies and capabilities, presenting a single unified gateway for flight booking to the wider business.

Our mission is to ensure that there are zero failed bookings.

This is a role for engineers who enjoy solving large-scale, data-intensive, and distributed systems challenges that directly influence customer experience and business performance.

What You’ll Be Doing Day To Day

As a Senior Software Engineer in Flights Booking, you will build scalable backend systems and platforms that abstract supplier-specific logic for our customers, enable complex flight routing options, and provide a leading experience for our suppliers and their partners.

You will work on systems that support supplier connectivity, power the requote/reserve/book process, and support post-booking actions from both customers and suppliers.

This is a backend and platform-focused role with a strong emphasis on distributed systems, cloud-native technologies, operational excellence, and high performance at scale. You will collaborate closely with engineers, product managers, analysts, and commercial teams to deliver dependable and commercially impactful solutions.

We are looking for engineers who enjoy solving complex technical problems and building scalable systems that operate reliably within high-throughput environments.

You’ll be a great addition to our team if you have the following skills, knowledge and experience

• Building scalable backend systems and distributed services
• Designing and operating cloud-native platforms
• Messaging infrastructure, streaming technologies, and event-driven architectures
• Building reliable and observable production systems
• Working with a variety of API technologies and in partnership with external suppliers
• Solving scalability, latency, and operational resilience challenges
• Working collaboratively across engineering, product, and commercial teams
• Making pragmatic technical decisions in fast-moving environments
• A strong curiosity to learn, stay current with the latest changes in technology, and continuously improve engineering practices,
• Experience with AI-assisted engineering, including agentic coding workflows.
• NET (C#), Kubernetes, AWS (EKS, DynamoDB, RDS, EventBridge, SQS, SNS, Bedrock), GraphQL, Terraform, Argo CD, Backstage.

What To Expect From Our Interview Process

After a call with our Talent Acquisition Team, We will run a 3 stage interview process all on Microsoft Teams, Which will consist of:

Hiring Manager meet & greet - 30 Minutes

Behavioural & ways of working - 60 Minutes

Tech Pairing & System Design - 90 Minutes

We want to make sure everybody has the opportunity to perform at their best. If you require any reasonable adjustments during the interview process please let the Talent Acquisition team know and they will be happy to assist.

Ways of working

Our full time hours are 37.5 per week, but we don't have rigid working hours so you can find the working pattern that's right for you. We have core working hours between 10am - 4pm, so we can collaborate and enjoy the social side of work.

We also have hybrid working so we all work from home and from our Aeroworks office in Manchester City Centre. We operate a remote-first working model, with colleagues meeting in our Manchester office one day every two weeks. Please note that all applicants must be eligible to work full-time in the UK

Our Benefits

We might be biased but we think our colleagues are pretty great. They're the people that have made On the Beach what it is today and continue to make it vibrant and successful tomorrow. That's why we offer a competitive benefits package, known as our Beach Perks, to all On the Beach colleagues.

These Include

• 25 days holiday plus your birthday off
• Generous discount on holidays, plus you will receive 2 extra days annual leave on top of your holiday allowance to use whilst you're away on your On the Beach package holiday
• Access to Learnerbly learning platform, plus workshops, courses and professional qualifications
• Enhanced maternity, paternity, shared parental leave and adoption pay, plus other family friendly support
• Employee Assistance Programme and free access to counselling
• Simplyhealth Optimise Health Plan
• Company Sick Pay scheme
• Regular wellbeing events
• Gym discount
• Share Incentive Plan (SIP)
• Death in Service cover
• Onsite subsidised coffee shop
• The Sandbox (our very own bar)
• Food and drink discounts across a number of venues in Manchester City Centre
• Regular social events
• Cycle to Work scheme

We're On the Beach! One of the UK's largest online package holiday specialists, with significant opportunities for growth.