Job Description

Title: Lead Product Engineer (Mobile)

UK or US (EST Time Zone)

Location: US

Type: Full time
Workplace: remote


Make a Real Impact

Here at Treecard, We’re harnessing the power of the people to help solve climate change by building a platform to make sustainable living more accessible. We’re the kind of green that doesn’t wash off, and our customers have already planted over 5 MILLION trees just by being part of the Treecard community.

We’re striving to build the largest and most engaged eco-focused community and a worldwide organization people can trust. We need people who can’t wait to jump in and help scale our impact together.

Do the best work of your life

As a mission-driven startup entering a hyper-growth stage, Treecard not only offers an environment for huge personal growth but an opportunity to leave a legacy we can be proud of.

We’re powered by Ecosia, the search engine that has planted over 130M trees to date and has over 30M monthly active customers. We’ve also raised $26M (Series A) to date and have a growing user base, with 40% of all sign-ups being referred by a friend or family. We are backed by EQT, Worldfund, and Seedcamp the original investors of Transferwise and Revolut.

We’re set up for success, racing forward, and swinging beyond the fences. We are here to do the best work of our lives, and together, we hope you are too. Come help make sustainable living accessible for everyone.


Welcome to Treecard, where leadership means getting your hands dirty in code! As a Lead Product Engineer at Treecard, you won’t just be overseeing from the sidelines you’ll be at the forefront of shaping our cutting-edge mobile experiences. Expect your days to be filled with dynamic challenges, as you lead a team dedicated to the delivery of features that truly matter.

Our team is fully remote and this role can be based anywhere in the UK or US EST Time Zone! We also have a WeWork office available to our London teammates if preferred (usually 1-2x/week) and you should plan to travel 3x per year to our global team retreats in some really cool places!

Salary range for this role is 110-130k GBP or $180-195k USD + equity, tailored to your background and experience.

Your Impact

  • Mentorship and Motivation: Drive your team’s success through hands-on mentorship and regular one-on-ones. Your leadership will be pivotal in leveling up our development talent.
  • Technical Strategy: Shape the technical strategy to ensure our mobile apps not only keep up but lead the way in tandem with our rapid growth.
  • Product Delivery: In this role, you’re not just a code maestro; you’re a key player in all aspects of product delivery. We believe in a collaborative approach, where every Treecard team member is encouraged to contribute ideas from product ideation to innovative work methodologies.

Sound like you?

  • Expertise in Typescript and React Native.
  • Proven experience across multiple senior or lead engineering positions.
  • A product mindset and the courage to contribute innovative suggestions.
  • Previous startup experience, especially in a leadership role, is a strong plus.
  • Genuine concern about the climate crisis and a desire to make a meaningful impact.