Founding Elixir Engineer – Building Innovative Fintech
10 days ago
Glasgow
Job title: Founding Elixir Engineer – Building Innovative Fintech Important: if you are a talented experienced Team Lead, please, apply, we are open to grow together Salary range: Competitive salary + meaningful equity (funded late seed, preparing for launch in Q1 2026) Qualifications or experience required: 5+ years of working full-time as a software engineer (exceptions can be made for the right candidate) Remote job: Yes Remote restrictions: Europe (GMT +/– 2h) Remote work or relocation as an employee to France/UK The Opportunity Join the founding engineering team building an innovative solution Empay for embedded finance market (B2B2C) across the UK & EU with further expansion to other regions. The market is just opening up – perfect timing to build something new & massive. If you’ve ever wanted to see your code become the core of a real fintech infrastructure – this is it. This is a true 0→1 opportunity: no endless meetings — just a clear mission, a strong founding team, and full ownership. The Founders Built by proven entrepreneurs: Experienced team in fintech & banking (PWC, Solaris, SumUp, Visa, Sap) with successful exits. Together, we bring deep expertise in building and scaling billion-dollar fintech & banking companies. The Role We need a brilliant backend engineer to scale & build our core banking engine and payment infrastructure. You’ll Own: • Creating payment integrations with UK & EU leading payment providers & Visa/Mastercard, • Designing and developing high-performance APIs for efficient request and data handling, • Building the data pipeline that turns financial data into instant compliance checks, • Maintain and scale Card issuing and loyalty platform, • Develop Payments functionality including routing, payment initiation and account management on Card issuing and loyalty platform, • Strong technical ownership for your tasks across all stages: understanding subject domain and requirements, solution design and architecture, integrations with internal and external services, software reliability and performance, testing, rollout and maintenance, • End-to-end software life cycle contribution including CI/CD, monitoring and alerts, production support of the solution, • Build for 100,000+ monthly transactions from day one, • Create a system that scales across multiple countries and currencies, • Design infrastructure that handles sensitive financial data securely What We’re Looking For Must-Haves: • Minimum 5–6 years building fintech/lending/banking backends (more experience is awesome!), • Strong Elixir experience with production systems at scale, • Experience with UK/European open banking platforms / APIs (Salt Edge, Nordigen/GoCardless, Tink), • Built high-throughput transaction processing systems, • Experience with PostgreSQL and data pipeline architecture, • Worked at companies like Revolut, Wise, Monzo, Curve, or any BNPL/lending fintech, • Built consumer products that scaled to 100k+ users, • Experience with UK & EU payment systems, • Own the core product – your code will process millions in payments monthly, • Founding engineer equity – real ownership in a rocket ship, not 0.01% options, • Direct line to founders – your ideas ship to production in days, not months, • Build your own empire – hire and lead the entire backend team as we scale, • Work with the best team of fintech & big marketing experts, • Massive social impact & new fintech category, • Shape the technical culture – define how we build, not follow someone else’s playbook Tech Stack Backend: Elixir (modular monolith), PostgreSQL, Docker, Kubernetes Infra & Monitoring: Grafana, Loki, Tempo, Prometheus Cloud: DigitalOcean (potential transitioning to AWS) Frontend: React / TypeScript / Next.js Mobile: Flutter Now backend is built on Elixir, but as a Founding Engineer you’ll have the autonomy to evolve the stack – if a certain microservice calls for Go or Python, that’s on the table. Additional tech stack: React/TS/Next (Frontend); Flutter (Mobile). Interview Process Fast and transparent (total time: 1 week max): • 30-min chat with founders (background + values & culture fit), • Technical interview + short live coding, • Paid technical task (real problem we’re solving), • Final decision within 48 hours