Senior Backend Engineer — Scalable Payments

We are bsport. The place to be! bsport is an all-in-one platform combining boutique fitness and advanced technology. Our platform helps our partners manage their bookings, payroll, marketing and more, to streamline operations and boost their commercial success. Since we launched in 2019, we have already achieved the following: We’ve built a community of...

Mambu Payments (formerly Numeral) is hiring Senior Backend Software Engineers to help build the next generation of bank connectivity and payment automation products with a focus on security, stability and performance.You will own architectural decisions for high-impact projects, collaborate with Product Managers and DevOps, mentor engineers, and contribute...

Akuaro busca desarrollar y mantener servicios backend en Java dentro de plataformas de conectividad para turismo. Te unirás a un equipo técnico que prioriza calidad, escalabilidad y resiliencia, trabajando en un entorno híbrido y colaborando con producto, negocio y QA para entregar soluciones robustas en entornos exigentes.El puesto implica optimizar...

Proton is seeking a skilled backend engineer in Barcelona to develop features for Proton's ecosystem and payments stack. You will work with frontend and mobile teams to craft scalable services, improve performance, and uphold security standards.You will join a global team with offices in Barcelona and elsewhere, contributing to a privacy-first internet. The...

Mambu Payments (formerly Numeral) is hiring Senior Backend Software Engineers to help build the next generation of bank connectivity and payment automation products with a focus on security, stability and performance. You will own architectural decisions for high-impact projects, collaborate with Product Managers and DevOps, mentor engineers, and contribute...

A leading consumer electronics retailer in Barcelona is seeking an experienced software developer to design and maintain backend services using Kotlin. The role requires at least 5 years of experience in server-side development, familiarity with Google Cloud, Docker, and Kubernetes, and a passion for agile methodologies. The position offers flexible working...

Akuaro busca desarrollar y mantener servicios backend en Java dentro de plataformas de conectividad para turismo. Te unirás a un equipo técnico que prioriza calidad, escalabilidad y resiliencia, trabajando en un entorno híbrido y colaborando con producto, negocio y QA para entregar soluciones robustas en entornos exigentes.El puesto implica optimizar...

A global consulting firm is looking for a skilled Backend Developer (Node.js) based in Barcelona, Spain. In this role, you will design and develop scalable backend systems that support high-impact digital solutions for international clients. Ideal candidates have at least 5 years of software engineering experience and proficiency in Node.js with Fastify. The...

Hitachi Energy Spain is seeking a skilled .NET Backend Developer to design, develop, and maintain robust backend services and APIs in support of critical applications.You will collaborate with frontend, product managers and stakeholders, implement RESTful APIs and microservices, and work with SQL Server / PostgreSQL. Strong C#, .NET Core/NET 5+, OOP, and...