Data Engineer up to 65k Basend in London or Portuagal (no sponsorship offered) Plumbing Wizard Needed for Carbon-Conscious Data Pipelines Are you the type who gets unreasonably excited about well-structured databases? Do you dream in SQL and wake up with brilliant ideas for optimising ETL processes? We're on the lookout for a Data Engineer extraordinaire to join our mission of transforming how enterprises manage their environmental impact About The Role You'll be the master plumber of our data infrastructure, creating seamless pipelines that transform complex travel and expense data into actionable carbon insights. Your expertise will directly empower global enterprises to make smarter, more sustainable decisions about how they move people and goods around the world. Think of yourself as a sustainability detective - tracking down elusive data sources, interrogating inconsistent formats, and ultimately revealing the hidden carbon story behind business operations. What You'll Be Doing Customer Sleuthing & Requirements Extraction Chat directly with customers to uncover their deepest, darkest data needs (in a professional way, of course) Translate vague requests like "We need to see our carbon thingy" into precise technical specifications API Wizardry Craft elegant integrations with client systems that make data flow as smoothly as a perfectly pulled pint Build connections so reliable they could make long-distance relationships jealous ETL Pipeline Craftsmanship Design and build robust data pipelines that extract, transform, and load data from Travel Management, Expense, and HR systems Continuously tinker with and improve your creations - because perfection is a journey, not a destination Data Quality Guardianship Implement validation processes that catch dodgy data before it can cause mischief Develop consistency controls and automated tests that would make even the most particular librarian proud Cross-Team Collaboration (No Silos Allowed) Partner with Reporting experts, Product Management, and Customer Success teams to identify patterns and opportunities Become the go-to expert on travel and expense data (yes, it's more interesting than it sounds) Share your wisdom with colleagues through documentation that people might actually want to read What You'll Bring to the Table 5 years of experience in data architecture, modeling, and warehousing Experience working directly with customers Track record of scaling data platforms through orders of magnitude of growth (impressive) Experience building a data lake or warehouse from scratch (we promise not to make you start from scratch) Mastery of state-of-the-art ETL tools and techniques (the more acronyms, the better) RDBMS expertise; SQL fluency; query optimization wizardry 3 years of Python programming experience (snake charming skills a plus) Familiarity with DBT or SQLMesh (bonus points for strong opinions about either) Early-stage startup experience (comfort with controlled chaos) Exceptional common sense and ability to navigate ambiguity (when the map ends, you keep going) Bonus Points For Experience with travel industry data (OBTs, TMCs, expense systems) Hands-on time with open-source tools like DuckDB, Spark, Trino, Iceberg, or Deltalake FP&A systems knowledge Data visualization prowess (especially Tableau) TypeScript experience (it's what our ETL is written in now) Data Science background (for when you want to get fancy) Superior data wrangling skills (for when the data refuses to cooperate) Perks & Benefits Salary & Compensation Up to £65k, depending on experience Hybrid Working Flexibility to work where you're most productive, with a balance of office collaboration and remote focus time Because sometimes brilliance strikes in pyjamas Education and Sustainability Budgets Each teammate receives an annual budget to invest in learning and personal sustainability initiatives Learn new skills while reducing your carbon footprint - win-win Industry-Leading Insurance Robust medical, dental and vision plans with 100% coverage of individual premiums Because good health shouldn't come with financial anxiety Equity Incentive Plan Every full-time employee receives stock options in the company We're all owners here - your success is directly tied to our collective success They are a company rooted in the belief that every action matters. Founded by long-time friends and now parents with young children whose futures we deeply care about, we came together around a simple question: how can we as individuals make a difference in reversing climate change? It turns out countless others were asking this same question - not just at home, but in their workplaces where often the biggest impact is possible. That's where you come in, helping global enterprises with over $4T in market value transform their relationship with carbon emissions through the power of data. Ready to pipe data into a more sustainable future? We can't wait to see what you bring to the table Equal Opportunities Employer - We embrace diverse backgrounds, perspectives, and skills. If you're passionate about data engineering but don't tick every box, please apply anyway - we value potential as much as experience