Backend Engineer Jobs in Spain with Visa Sponsorship

14 backend engineer jobs in Spain that offer visa sponsorship, from 4 companies, posted in the last 60 days. Latest posting 2026-10-16.

Lists jobs whose title mentions: backend, back-end.

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The 14 newest backend engineer jobs in Spain

  1. Software Engineer II, Backend (Card)

    Affirm

    • Spain
    • Remote
    • Full-time
    • 2–5 years experience
    • Posted 2026-10-16

    What you'll do: You will design and implement scalable backend systems for the Affirm Card product while collaborating with cross-functional teams to deliver high-quality software. Additionally, you will participate in on-call rotations and support the…

    What they ask for: Candidates must have at least 2 years of software engineering experience and proficiency in Python or Kotlin. Familiarity with distributed systems, AWS, MySQL, and Kubernetes is required, along with strong communication skills.

    • Python
    • Kotlin
    • AWS
    • MySQL
    • Kubernetes

  2. (Senior or Staff) Backend Engineer, AI tooling

    Jobgether

    • Spain
    • On-site
    • Full-time
    • 5–10 years experience
    • Posted 2026-09-29

    What you'll do: You will own the architecture, development, and long-term evolution of developer platforms and AI-powered tooling. You will lead multi-quarter technical projects while mentoring engineers and partnering with leadership to define the…

    What they ask for: Candidates must have 7+ years of professional software engineering experience, including 2-3 years at a Senior or Staff level. You must demonstrate strong hands-on experience in building developer platforms, CI/CD systems, and integrating…

    • Backend engineering
    • AI tooling
    • Developer platforms
    • CI/CD
    • Observability

  3. Senior Backend Engineer

    N26

    • Spain
    • On-site
    • Full-time
    • 5–10 years experience
    • Posted 2026-09-17

    What you'll do: You will design, develop, and maintain high-volume payment systems while collaborating with your Tech Lead on new feature architecture. Additionally, you will mentor junior team members and uphold high technical standards within a…

    What they ask for: Candidates must have experience with JVM languages, Spring Boot, and microservice architecture in large-scale production systems. Proficiency in relational and non-relational databases like Postgres and familiarity with AWS cloud…

    • JVM
    • Spring Boot
    • Kotlin
    • Microservice architecture
    • Postgres

  4. Backend Engineer, AI Agents (NodeJS)

    Afori

    • Spain
    • On-site
    • Full-time
    • 0–2 years experience
    • Posted 2026-09-17

    What you'll do: Build and maintain AI agents that automate insurance brokerage tasks like reading policies and handling claims. Own features from initial concept through to production deployment while collaborating with product and business teams.

    What they ask for: Proven experience shipping software in NodeJS and TypeScript that has been used by real customers. Strong drive and ambition to build from scratch, with a preference for candidates who have experience with coding agents.

    • NodeJS
    • TypeScript
    • AI Agents
    • Software Engineering
    • Product Development

  5. Backend Engineer - Payments

    N26

    • Spain
    • On-site
    • Full-time
    • 2–5 years experience
    • Posted 2026-09-07

    What you'll do: You will design, develop, test, and maintain high-volume payment systems within a collaborative team environment. Additionally, you will manage project priorities and contribute to knowledge sharing while staying current with modern…

    What they ask for: Candidates must have experience with JVM-based languages, Spring Boot, and microservice architectures in large-scale production environments. A strong understanding of cloud architecture, specifically AWS, and relational/non-relational…

    • JVM
    • Spring Boot
    • Kotlin
    • Microservice architecture
    • Postgres

  6. Software Engineer II, Backend (Recoveries)

    Affirm

    • Spain
    • On-site
    • Full-time
    • 2–5 years experience
    • Posted 2026-09-02

    What you'll do: You will own and deliver quarterly goals while leading engineers through ambiguity to solve complex technical problems. Additionally, you will collaborate with product, design, and analytics teams to implement recovery strategies and…

    What they ask for: Candidates must have at least 1.5 years of experience in software engineering with proficiency in Python, AWS, MySQL, and Kubernetes. Experience in designing scalable backend systems and operating asynchronous workloads is essential for…

    • Python
    • AWS
    • MySQL
    • Kubernetes
    • React

  7. Backend Engineer - Memberships

    N26

    • Spain
    • On-site
    • Full-time
    • 2–5 years experience
    • Posted 2026-09-02

    What you'll do: You will design, develop, and maintain backend services to support customer-facing features within the subscriptions segment. You will also collaborate with cross-functional teams to troubleshoot production issues and improve overall…

    What they ask for: Candidates should have experience building backend applications using modern programming languages and frameworks. Proficiency in relational databases like PostgreSQL and familiarity with cloud platforms such as AWS are required.

    • Backend development
    • PostgreSQL
    • AWS
    • Microservices
    • Service-oriented architecture

  8. Backend Engineer

    N26

    • Spain
    • On-site
    • Full-time
    • 2–5 years experience
    • Posted 2026-09-02

    What you'll do: You will design, develop, test, and deploy software within the Incentives team to enhance customer experience. You will also manage project priorities and collaborate with your team to share knowledge and implement innovative features.

    What they ask for: Candidates must have experience with JVM languages, Spring Boot, and microservice architecture in large-scale production systems. Proficiency in relational and non-relational databases, specifically Postgres, and experience with AWS cloud…

    • JVM
    • Spring Boot
    • Kotlin
    • Microservice architecture
    • Postgres

  9. Senior Backend Engineer - Engagement

    N26

    • Spain
    • On-site
    • Full-time
    • 5–10 years experience
    • Posted 2026-09-02

    What you'll do: You will design, develop, test, and maintain scalable backend systems while collaborating with product owners and designers to deliver innovative features. You will also manage project priorities and contribute to architectural…

    What they ask for: Candidates must have experience with JVM languages, Spring Boot, and microservice architectures in large-scale production environments. Proficiency in cloud platforms like AWS and a strong product-centric mindset are essential for this…

    • Java
    • Kotlin
    • Spring Boot
    • Microservices
    • Postgres

  10. Backend Engineer - Engagement

    N26

    • Spain
    • On-site
    • Full-time
    • 2–5 years experience
    • Posted 2026-08-28

    What you'll do: You will design, develop, test, and maintain scalable backend systems throughout the entire feature lifecycle. You will also collaborate with product owners and designers to translate user needs into innovative banking features.

    What they ask for: Candidates must have experience with JVM languages, Spring Boot, and microservice architecture in large-scale production environments. Proficiency in relational databases like Postgres and cloud platforms such as AWS is also required.

    • JVM
    • Spring Boot
    • Kotlin
    • Microservice architecture
    • Postgres

  11. Staff Software Engineer, Backend (Identity International)

    Affirm

    • Spain
    • Remote
    • Full-time
    • 10+ years experience
    • Posted 2026-08-28

    What you'll do: You will set the technical strategy for the Identity International team and collaborate with cross-functional partners to deliver business-impacting projects. Additionally, you will act as a force-multiplier by defining technical…

    What they ask for: The role requires 8+ years of experience in designing and launching backend systems at scale using Python or Kotlin. You must have a proven track record with distributed systems and cloud technologies like AWS, MySQL, and Kubernetes.

    • Python
    • Kotlin
    • AWS
    • MySQL
    • Spark

  12. Senior Backend Engineer - Connectivity

    N26

    • Spain
    • On-site
    • Full-time
    • 5–10 years experience
    • Posted 2026-08-25

    What you'll do: Design, build, and maintain a secure and performant unified Edge platform for all partner and customer traffic. Collaborate with cross-functional teams to deliver robust infrastructure solutions while fostering software design best…

    What they ask for: Requires at least 5 years of backend software engineering experience with proficiency in JVM-based languages like Java or Kotlin. Candidates must have solid experience with cloud-native development, specifically AWS, and familiarity with…

    • Java
    • Kotlin
    • Spring
    • Microservices
    • Event-driven architecture

  13. Backend Engineer - Customer Risk Lifecycle

    N26

    • Spain
    • On-site
    • Full-time
    • 2–5 years experience
    • Posted 2026-08-24

    What you'll do: Design, develop, test, and maintain software within a microservice architecture to support secure and compliant banking services. Collaborate with cross-functional teams to uphold high technical standards and share knowledge through…

    What they ask for: Requires experience in developing software using JVM languages and Spring Boot in large-scale production systems. Candidates should have a sound understanding of microservice architecture and experience with relational and non-relational…

    • Kotlin
    • Spring Boot
    • Microservices
    • Postgres
    • AWS

  14. Lead Backend Engineer - Conversational Banking

    N26

    • Spain
    • On-site
    • Full-time
    • 5–10 years experience
    • Posted 2026-08-24

    What you'll do: You will architect and maintain high-performance microservices while leading cross-functional teams to deliver robust banking solutions. Additionally, you will integrate AI technologies and mentor engineers to foster a culture of technical…

    What they ask for: Candidates must have 5+ years of experience in distributed systems using Java or Kotlin and Spring Boot. A strong background in API design, database performance, and modern engineering practices like TDD and CI/CD is required.

    • Java
    • Kotlin
    • Spring Boot
    • Microservices
    • Distributed systems

Most requested skills

  • AWS 12
  • Kotlin 10
  • Spring Boot 7
  • Cloud architecture 6
  • Postgres 6
  • JVM 5
  • Kubernetes 5
  • Microservices 5
  • Software development 5
  • Software engineering 5
  • System design 5
  • API design 4

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