12 publicaciones de empleo destacadas de backend java developer (con inglés) en spain (¡Están contratando!)

Senior Software Engineer
OneSpan —Barcelona, Barcelona provincia
- Inglés
- Java
- Linux
Software Engineer II, Payments Platform
Flywire —Valencia, Valencia provincia
- Jornada completa
- Trabajo híbrido
- Azure
- Inglés
- Oficina
Solicitud rápida
Backend Java Developer (con inglés)
Kairos Digital Solutions —España
- Jornada completa
- Teletrabajo
- Inglés
- Java
- Desarrollo de software
- Formación continua
- Seguro médico privado
Java Backend Developer 2025
Kairos Digital Solutions —España
- Jornada completa
- Teletrabajo
- DevOps
- Inglés
- Java
- Formación continua
- Seguro médico privado
Fullstack Developer (Java y Angular)
Kairos Digital Solutions —España
- De 40.000 € a 47.000 € al año
- Jornada completa
- Teletrabajo
- Azure
- Oracle
- DevOps
- Formación continua
- Seguro médico privado
14d
Fullstack Developer (Angular y Backend)
Kairos Digital Solutions —España
- Jornada completa
- Teletrabajo
- Azure
- DevOps
- Inglés
- Seguro médico privado
Platform Engineer (Java)
Revolut —España
- Jornada completa
- Teletrabajo
- Informática
- Inglés
- Oficina
7d
Product Engineer (Banking and Invoicing)
Xolo —España
- De 66.000 € a 69.000 € al año
- Jornada completa
- Teletrabajo
- Inglés
- Oficina
- Java
Solicitud rápida
8d
Product Engineer (Accounting and Ledger)
Xolo —España
- De 66.000 € a 69.000 € al año
- Jornada completa
- Teletrabajo
- Inglés
- Java
- SQL
Solicitud rápida
4d
Flutter Developer
LABHOUSE —España
- Jornada completa
- Teletrabajo
- Informática
- Inglés
- Java
- Teletrabajo opcional
Lead Flutter Developer
LABHOUSE —España
- Jornada completa
- Teletrabajo
- Informática
- Inglés
- Java
- Teletrabajo opcional
Product Engineer (Platform & Customer Lifecycle)
Xolo —España
- De 66.000 € a 69.000 € al año
- Jornada completa
- Teletrabajo
- CRM software
- Inglés
- Java
Solicitud rápida
3d

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Senior Software Engineer

OneSpan -
Barcelona, Barcelona provincia

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Detalles del empleo

Cualificaciones

CI/CD
Inglés
Android
Java
Docker
Seguridad
Escalabilidad
Linux
Habilidades de comunicación
Python

Descripción completa del empleo

Barcelona

At OneSpan, we specialize in digital identity and anti-fraud solutions that create exceptional and secure experiences.

OneSpan is currently looking for a Sr. Software Engineer (Python) to join our team in Barcelona.

We are building an advanced Android application protection tool focused on APK/AAB transformation, code obfuscation, and native code integration.

Our tooling analyzes and transforms Android applications at different levels, including bytecode and build artifacts, to implement protection and security mechanisms used in production mobile environments.

We are looking for a senior engineer who can help us evolve the architecture, maintainability, and scalability of the platform while mentoring a growing engineering team.

Job Duties and Responsibilities

Design, develop, and evolve our Android protection tooling written primarily in Python.
Improve the architecture, modularity, reliability, and maintainability of the system.
Work on complex transformation pipelines involving APK/AAB processing and code manipulation.
Contribute to performance optimization and scalability of the tooling.
Write clean, testable, and production-quality code.
Improve testing strategies, CI/CD pipelines, release automation, and developer workflows.
Mentor junior engineers and help grow engineering best practices across the team.
Collaborate closely with Android and security engineers to design and implement new protection techniques.
Participate in technical discussions, code reviews, and architectural decision-making.
Design and develop our app protection tool using Python to support our platform and products.
Work on challenging architectural and performance problems, contributing to the evolution of our systems.
Write clean, maintainable, and testable code, ensuring high reliability and performance.
Collaborate closely with mobile developers, backend engineers, product managers, and designers to deliver well-architected solutions.
Improve the scalability, observability, and maintainability of our systems as the business grows.
Contribute to technical decision-making, code reviews, and architectural discussions.

Requirements

5+ years of professional software engineering experience using Python.
Strong software architecture and system design skills.
Experience building complex applications, developer tooling, CLI applications, or transformation pipelines.
Strong understanding of software quality practices, testing, and maintainability.
Experience mentoring engineers or leading technical initiatives.
Ability to work autonomously on technically challenging systems.
Strong analytical and problem-solving skills.
Good communication skills in English.

Nice to have:

Interest or experience in security tooling, reverse engineering, or low-level systems.
Familiarity with Android internals, APK/AAB structure, or mobile application tooling.
Experience with bytecode manipulation, static analysis, or code transformation concepts.
Familiarity with Dalvik bytecode / smali.
Experience with Java or Kotlin.
Experience with reverse engineering or instrumentation tools such as JADX, apktool, Frida, Ghidra, or similar.
Experience working in Unix/Linux environments.
Experience with CI/CD pipelines and automated release systems.
Familiarity with Docker or containerized environments.
Knowledge of cryptography or application protection techniques.

#LI-hybrid

#LI-LS1

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backend java developer (con inglés) empleos en spain

Senior Software Engineer

Software Engineer II, Payments Platform

Backend Java Developer (con inglés)

Java Backend Developer 2025

Fullstack Developer (Java y Angular)

Fullstack Developer (Angular y Backend)

Platform Engineer (Java)

Product Engineer (Banking and Invoicing)

Product Engineer (Accounting and Ledger)

Flutter Developer

Lead Flutter Developer

Product Engineer (Platform & Customer Lifecycle)

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Quiero recibir la alerta de empleo más reciente de backend java developer (con inglés) en spain

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