Full Stack Software Engineer – Payments B2B

🕒 June 8

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Treatwell

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 2013

💄 Beauty

👥 B2C

🛍️ eCommerce

Beauty • B2C • eCommerce

Treatwell is a platform that allows users to book beauty services online. Operating in various countries across Europe, including Belgium, France, Germany, Greece, Ireland, Italy, and the United Kingdom, Treatwell connects users with beauty and wellness treatments at spas and salons. It aims to simplify the process of finding, booking, and managing beauty and wellness appointments, offering a comprehensive service for personal care and beauty needs.

📋 Description

• **You will be responsible for:** • - Financial transparency for partners — evolve the systems behind reconciliation, invoicing, transaction history, and payin/payout flows that salon owners rely on daily • - Internal tooling — iterate and improve the tooling that empowers our ops, support, and data compliance teams to move fast without creating risk • - Platform reliability — own your services end-to-end, from architecture through deployment, with a DevOps mindset baked in • - Experimentation — contribute to a culture that validates ideas with data before committing to them at scale

🎯 Requirements

• **About you: ** • - You have proven experience owning production-grade web applications end-to-end, and understand that the best technical decisions come from deeply understanding the problem — not just the code (mid/senior level) • - You own features end-to-end — from database schema to UI, without needing a handoff • - You think in systems and trade-offs, not just tickets — you spot the upstream cause, not just the downstream symptom • - You have a product mindset — you think about the person using what you build, ask why before how, and push back when something doesn't make sense • - You're data-driven — you instrument your work, measure impact, and use evidence to make decisions • - You proactively contribute, align with others, and help teams deliver outcomes together. • - You are able to make progress in evolving or complex domains while collaborating to create clarity — payments and financial data are complex domains, and you know how to navigate that without getting paralysed • - Experience in fintech, payments, or financial SaaS (B2B context a plus) (nice to have) • - Experience with AI-assisted development tools such as Claude, Cursor, or similar — and clear opinions about where they genuinely add value (nice to have) • - Exposure to event-driven architectures in production at scale (nice to have) • - You can communicate fluently in English • - You are based in any city within Spain or Italy, with a valid right to work • **NOTE**: If you don’t meet every requirement but believe you’d thrive in this role, we’d still love to hear from you.

🏖️ Benefits

• **We’ll treat you with:** • - 28 days' holiday, plus local bank holidays • - Monthly £/€40 Treatwell vouchers so you can treat yourself too • - Mental health support through our partnership with Open-Up • - 100% remote position with flexible working within Italy or Spain. Candidates outside of these locations will not be considered for the role • - Market-specific benefits that will be discussed during the interview process