Lead engineering efforts to rebuild travel technology, ensuring secure payment experiences while mentoring teams and collaborating across functions.
Create the future of travel with us
Whether it’s to visit the people closest to us, starting an exciting adventure, or a career-defining business trip, travel is an essential part of our lives. Yet we've all experienced the aches and pains of getting to our destination. Today, more than 4 billion airline passengers rely on technology that hasn't kept up with the expectations of the modern connected traveller.
That’s why we’ve started to rebuild the infrastructure that underpins the travel industry. We’re on a mission to unravel travel — simplifying systems and building the tools that will make the future of travel effortless. Central to this mission is ensuring seamless, secure, and reliable payment experiences, which are crucial for every transaction and a cornerstone of trust in our platform.
We were part of Y Combinator S18's cohort and we are backed by Benchmark, Blossom, Index Ventures, and Kima Ventures. A fantastic set of investors that has helped build some of the world's largest companies.
Our team in London is growing, and we’re looking for talented people to join us on our journey.
What we're looking for in you
- You are hands-on. You're comfortable jumping into the codebase, contributing directly to projects, and pairing with engineers to solve complex problems.
- You have strong technical judgment. You can arbitrate technical discussions and make tradeoffs that balance short-term impact and long-term health.
- You’ve led engineering teams. You’ve managed and grown mid-sized teams (5-10 engineers), and you know how to balance delivery with team wellbeing.
- You value leadership. You lead by example, create space for others to thrive, and measure your success through the growth and success of your team.
- You communicate with clarity. Whether in code reviews, design documents, or team updates, you communicate ideas in a way that builds shared understanding.
- You embrace autonomy. You can be trusted to drive initiatives forward without micromanagement, and you help others do the same.
Bonus: Experience with platform, infrastructure, developer tooling, or internal enablement teams.
What we are looking for in you
- Technical leadership: Writing and reviewing production code regularly, contributing to Duffel’s engineering standards and helping the team make well-informed technical decisions.
- Shaping the roadmap: Collaborating with product managers and designers to define and deliver on a roadmap that balances technical and customer priorities.
- Team enablement: Driving high team performance through enabling healthy engineering practices—agile delivery, rapid iteration, test-driven development, and continuous improvement.
- Mentorship & coaching: Supporting your teammates in their personal growth through 1:1s, mentoring, and continuous feedback. Helping engineers identify and pursue their career goals.
- Engineering culture: Actively contributing to a positive, inclusive, and collaborative culture where technical excellence and empathetic leadership go hand in hand.
- Org design & hiring: Partnering with the People team and leadership to recruit, onboard, and retain top engineering talent. Helping shape how Duffel scales its technical organisation.
- Cross-functional collaboration: Working across teams to improve developer experience, infrastructure, reliability, and scalability of our systems.
What you can expect from us
We're dedicated to your personal growth. Our environment is comfortable both physically, but also in that our ears are always open to any ideas, concerns and questions. We believe that everyone should have pride in their work, taking full ownership of it and its impact. That's why everyone who joins Duffel owns a share of the company.
We are an equal opportunities employer. We believe that the key to our success is employing a diverse team, that's why recruitment decisions are only based on your experience and skills. We value your ability to problem solve and build amazing things so we welcome applications for everyone – regardless of age, sex, disability, sexual orientation, race, religion or belief.
Note to recruitment agencies
Duffel does not accept speculative CV's from external parties. Any unsolicited CV's sent to us will be treated as property of Duffel, and any attached terms and conditions associated with these CV's will be null and void.
Duffel London, England Office
3 Finsbury Avenue, 6th Floor, , , London, United Kingdom, EC2M 2PA
Similar Jobs
Blockchain • Fintech • Payments • Consulting • Cryptocurrency • Cybersecurity • Quantum Computing
Lead the implementation and support of virtualization and compute platforms at Mastercard, focusing on ensuring operational excellence and service availability. Responsibilities include system management, lifecycle planning, risk mitigation, and collaboration with third-party suppliers.
Top Skills:
AnsibleArgoAWSAzureAzure DevopsBashC-ShellGitGo-LangJenkinsLinuxOpenshiftPortworxPythonRedhatTerraformUnixVMware
Financial Services
As a Lead Software Engineer, you'll enhance and deliver technology products, develop web platforms, and lead software engineering practices while coaching junior developers.
Top Skills:
AnsibleAWSDockerGoKubernetesPythonTerraform
Financial Services
As a Lead Software Engineer, you'll integrate AI features into applications, collaborate with teams, mentor junior developers, and drive process improvements.
Top Skills:
AppiumDetoxEs6+GraphQLJavaScriptKotlinReactReact NativeRest ApisSwiftTypescriptWebdriverio
What you need to know about the London Tech Scene
London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.

