Remote Go Backend Engineer – Billing Systems

Upsun is seeking a Senior Software Engineer to design and build the backend services behind our billing stack, including invoices, taxes, usage reporting, and external integrations. You will own complex components end to end, driving reliability and security while collaborating with Finance, Product, and Support. This hands-on role requires Go expertise,...

Grafana Labs is a fully remote company with a global team creating Grafana Cloud, a composable observability platform. We value open-source culture, transparency, autonomy, and trust, and we welcome applicants from multiple countries including Spain. You’ll work on a cloud-native stack (Go, Kubernetes) with on-call rotations, collaboration, and a focus on...

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....

Job Summary The Elite Job is looking for a highly skilled and motivated Software Engineer (Backend) to join our growing remote development team in Spain. This role offers the opportunity to work on innovative projects that power global digital solutions. The successful candidate will be responsible for designing, developing, testing, and maintaining...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Backend QA Engineer based in Spain. As a Backend QA Engineer, you will take ownership of software quality across a high-traffic backend platform, ensuring reliable performance and seamless transaction processing. You will combine...

Lever, Inc. seeks a Backend Engineer focusing on MTA infrastructure, based in Spain but fully remote. You will build and operate high-volume email delivery systems, including SMTP delivery, routing, retries, and reputation controls, with ownership across reliability and observability. You'll work with Trust & Safety and Core Sending teams, using TypeScript...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Backend Engineer, MTA based in Spain. This is an opportunity to build and operate the backend infrastructure that powers high-volume email delivery at scale. You'll work on critical systems spanning SMTP delivery, routing,...

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...

About the Role Our promotional features team is seeking a Senior Backend Engineer. This role is focused on developing and optimising promotional features for our gaming platforms, where performance, scalability, and cutting-edge solutions are paramount. If you’re a product-passionate person, your mind is keen to solve deep tech engineering problems, and...