Senior Backend Developer

At SpendLab, we are on a mission to revolutionize payments recovery by building cutting-edge technology that streamlines financial workflows and uncovers hidden value.

Our team builds state-of-the-art technology systems that use over 450 in-house developed algorithms and models to investigate large-scale accounting data and identify improper cash flows within our client’s procure-to-pay processes.

Think of us as a startup experience—minus the risk. We’re rebuilding our tech stack from the ground up, solving new exciting challenges, developing algorithms to uncover overpayments, and building SaaS products that transform how businesses manage their spend.

If you're passionate about making a tangible impact, working on innovative, high-impact projects with quick feedback loops, and being part of a talented, collaborative team, SpendLab could be your next great adventure.

What You’ll Be Doing

Collaborate with cross-functional teams to design and build scalable backend solutions.

Develop robust, high-performance APIs and backend services using Python.

Tackle complex challenges like designing algorithms for large-scale data analysis and optimizing workflows for payment recovery.

Play a key role in shaping our product’s technical direction and architecture.

What We Are Looking For

Experience : 3-5 years in backend development using Python.

Skills : Proficiency in SQL databases (schema design, optimizing complex queries), experience with REST and GraphQL API development, and familiarity with Docker and containerized deployments.

Mindset : A self-starter with a growth mindset, a passion for problem-solving, and a collaborative spirit.

Bonus Points : Experience in AuthN / AuthZ (OAuth, MSAL, OpenID, KeyCloak, Auth0) or frontend development with React.

What’s In It For You

Enjoy a hybrid work environment (3 days from office, 2 from home per week)

Private health insurance, ensuring your health is well taken care of

25 days of annual holiday + 5 days of personal leave

Earn a €1,000 net referral bonus for every successful hire you help bring to the team.

As we grow, we will be adapting our benefits to ensure employee satisfaction in the long run.

If you're looking to make a real impact, work alongside a talented team, and thrive in a dynamic, innovative environment, we'd love to hear from you. Join us and be part of something extraordinary!