Senior Backend Engineer, Payments

Join Proton and build a better internet where privacy is the default Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right. Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Drive, Proton Pass, and Proton Calendar—tools used by...

Proton Technologies AG is hiring for a backend-focused role in our Payments team. You will build features across Proton products, work closely with product engineers, and shape scalable software architectures that power a global subscription ecosystem.A strong emphasis is placed on performance, security, and high-quality API design to enhance user...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Backend Engineer - Payments & Fintech based in Spain. This is a high-impact backend engineering role focused on rebuilding and scaling the financial systems at the heart of a rapidly growing global platform. You will own...

Pluxee invites a Senior Backend Engineer to join the Payments Squad, building resilient, high-volume backend services for global money movements. You will own critical components, implement robust tests, and collaborate with frontend and product teams. You thrive in distributed systems, apply AI-assisted development, focus on data consistency, idempotency,...

bsport is hiring a Senior Backend Software Engineer to join the Financial Services team and craft a scalable payment and invoicing engine for clients worldwide. You will lead feature design, drive architecture decisions, and collaborate with Data, Product, and DevOps to deliver reliable, high-availability services. xghoner Asegúrese de leer detenidamente la...

Lever, Inc. is seeking a Senior Backend Engineer for Payments & Fintech in Spain. You will rebuild and scale the financial systems at the core of a growing global platform, owning architecture for billing, subscriptions, and entitlements. You will lead migrations from legacy systems while ensuring correctness, reliability, and auditable financial records....

FinTech Collective, LLC is seeking a Senior Software Engineer for the Core Platform team that runs a real-time

MaxIT Consulting – Max Corporate Group is seeking a Senior Backend Engineer, Payments and Ledger to join a fast-growing fintech building banking, payments, and settlement infrastructure for US prediction markets and regulated gaming.This role centers on designing and operating backend systems that move money, with emphasis on data integrity, reliability,...

As a Senior Backend Engineer in the Payments team at Playtomic, you will be responsible for developing robust and scalable payments solutions for our product, ensuring high performance, consistent and secure transactions. What you’ll be doing * Develop and maintain APIs and their services, enabling seamless communication between the frontend and backend,...