Mid-Level Data Engineer (Onsite, Full-Time) [HR215]

About Smart Working At Smart Working, we believe your job should not only look right on paper but also feel right every day. This isn’t just another remote opportunity - it’s about finding where you truly belong, no matter where you are. From day one, you’re welcomed into a genuine community that values your growth and well-being. Our mission is simple: to break down geographic barriers and connect skilled professionals with outstanding global teams and products for full-time, long-term roles. We help you discover meaningful work with teams that invest in your success, where you’re empowered to grow personally and professionally. Join one of the highest-rated workplaces on Glassdoor and experience what it means to thrive in a truly remote-first world. About the Role As a Data Engineer within the Data Infrastructure practice, you will help build the Romanian data platform from the ground up, creating a single source of truth for the business. You will turn fragmented operational data into a coherent platform spanning finance and asset reporting, building on a model already proven in the UK. This is a senior, hands-on Builder (L3) role operating close to Engineering Lead level. You will independently own complex workstreams, work closely with UK engineers and the Romania CFO, and take increasing responsibility for the hardest parts of the mission. The role is based in the Romania office and begins with a month-long onboarding and training programme in London. You will become a