Senior Affiliates Manager Commercial FullTime London

About us:

We are champions of rail, inspired to build a greener, more sustainable future of travel. Trainline enables millions of travellers to find and book the best value tickets across carriers, fares, and journey options through our highly rated mobile app, website, and B2B partner channels.

Great journeys start with Trainline

Now Europe’s number 1 downloaded rail app, with over 125 million monthly visits and £5.9 billion in annual ticket sales, we collaborate with 270+ rail and coach companies in over 40 countries. We want to create a world where travel is as simple, seamless, and affordable as it should be.

Today, we\’re a FTSE 250 company driven by our incredible team of over 1,000 Trainliners from 50+ nationalities, based across London, Paris, Barcelona, Milan, Edinburgh and Madrid. With our focus on growth in the UK and Europe, now is the perfect time to join us on this high-speed journey.

Purpose of the Role

There is no better time for an ambitious mind to join our Affiliates team at Trainline. Our strategy is to diversify acquisition channel beyond Google with a key focus on Affiliates and partnership. We’re looking for a Senior Affiliates Manager to join our Performance Marketing team. This role is responsible for building a pipeline of affiliate and strategic commercial partners across multiple European markets as well as the US. We\’re looking for an Affiliates expert to develop strategy and lead a team that is responsible for onboarding the partnerships through to completion, translating partner success requirements to the product, marketing and technology teams.

You’ll lead with a mix of commercial creativity and analytical precision, taking ownership of Affiliates and partnerships from concept to conversion, and making a visible impact on business performance. If you thrive in fast-paced, experimental environments and love turning ideas into measurable growth, this is your place.

Responsibilities

• Drive the vision and roadmap for affiliate marketing across multiple markets, with a focus on scalable, sustainable growth strategies.
• Lead cross-functional collaboration with Product, Tech, Commercial, and Finance teams to embed affiliate success into the core business.
• Champion a test-and-learn culture—experimenting with innovative affiliate models, off-product integrations, and emerging platforms to drive incremental growth.
• Mentor and inspire junior team members, fostering a culture of ownership, curiosity, and results within the Affiliates team.
• Identifying, recruiting, negotiating, onboarding, and managing affiliates partnerships across multiple segments and European markets.
• Ownership of the channel budget with Finance team across multiple markets.
• Analysing data & monitoring the program’s performance. Measuring traffic, revenue, conversions, and new customers for each market.
• Working with the Performance Marketing leadership and Commercial Partnerships to identify the product and marketing initiatives that will create the most value for partners and Trainline.

Qualifications

• Proven track record of scaling Affiliate programme across multiple markets with measurable revenue impact.
• Strong ability to translate the data into strategy, turning performance insights into scalable initiatives with limited supervision.
• Demonstrated ability to influence cross-functional teams, including senior stakeholders, with a compelling Affiliate vision.
• Comfortable challenging the status quo – a self-starter who brings new ideas to the table and executes them with discipline.
• A doer’s mindset—you bring a bias for action, a sense of urgency, and the ability to move fast without sacrificing quality or focus.
• Experience of and expert understanding of the Affiliate landscape, publishers, merchants, and networks – experience with Partnerize would be preferred.
• Highly commercial and analytical, with demonstrated understanding of the underlying economic metrics involved in affiliate partnerships.
• Creative thinker with ability to build a compelling proposition to influence internally and externally.
• Strong ability and motivation to work to exceed financial targets and optimise performance.

Bonus if you have:

• Experience with partnership marketing outside of affiliates (e.g., brand-to-brand deals, influencer collaborations).
• Familiarity with travel, e-commerce, or marketplaces.
• A passion for green mobility, digital innovation, or changing the way people experience travel.

More information:

Enjoy fantastic perks like private healthcare & dental insurance, a generous work from abroad policy, 2-for-1 share purchase plans, extra festive time off, and excellent family-friendly benefits.

We prioritise career growth with clear career paths, transparent pay bands, personal learning budgets, and regular learning days. Jump on board and supercharge your career from day one!

Our values represent the things that matter most to us and what we live and breathe every day, in everything we do:

• Think Big – We\’re building the future of rail.
• Own It – We focus on every customer, partner and journey.
• Travel Together – We\’re one team.
• Do Good – We make a positive impact.

We know that having a diverse team makes us better and helps us succeed. And we mean all forms of diversity – gender, ethnicity, sexuality, disability, nationality and diversity of thought. That\’s why we\’re committed to creating inclusive places to work, where everyone belongs and differences are valued and celebrated.

Interested in finding out more about what it\’s like to work at Trainline? Why not check us out on LinkedIn , Instagram and Glassdoor !

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