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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Backend Engineer - Conversational Banking - **Company:** N26 - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), Artificial Intelligence, Amazon Web Services, Code Review, Continuous Delivery, Continuous Integration, Software Design Patterns, Distributed Systems, PostgreSQL, GitHub Copilot, Spring-boot, Technical Debt, Backend, Kotlin, Kubernetes, Restful APIs, Code Restructuring, Microservices - **Published:** August 9, 2026 - **Apply:** https://www.buscojobs.com.es/lead-backend-engineer-conversational-banking-en-barcelona-ID-366767908 ## About the Role Compensaciones / Beneficios * Shape the team's technical roadmap with PMs and EMs to minimize debt * Architect, build and maintain high-performance web applications for internal ops * Foster clean delivery: promote clean code, testing, refactoring and frequent production releases * Integrate AI features and automation with foundational models to support back-office teams * Scale distributed systems with measurement and observability for continuous delivery * Mentor, review code, document technically, and share knowledge to avoid silos * Lead initiatives to improve engineering culture and team effectiveness * Involve in recruitment and employer branding to strengthen the engineering team Responsabilidades * 5+ years building complex distributed systems in Java or Kotlin with Spring Boot * Strong REST API design experience * PostgreSQL proficiency and CI/CD mindset * Experience with AWS and/or Kubernetes is a plus * Knowledge of design patterns (DDD, Hexagonal, microservices) * Experience with TDD/BDD and deep observability * Proven ability to leverage AI coding agents (Claude Code, Gemini Code, GitHub Copilot) to accelerate delivery * Leadership experience guiding mid/senior engineers to milestones * Strong communication and ownership in evolving domains Requisitos principales * competitive personal development budget * work-from-home budget * fitness, wellness, language app, and transport discounts * free Premium subscription on N26 account + family shares * additional vacation day per year of service * high autonomy and access to cutting-edge tech renominal relocation with visa support ## Description Experteer Overview As Lead Engineer at N26, you shape high-availability microservices in Java/Kotlin with Spring Boot, enabling core internal operations.You work closely with product and engineering managers to align tech roadmaps and reduce technical debt, while driving delivery excellence and scalable architectures.You'll integrate AI features to empower back-office teams and mentor a growing engineering team, promoting knowledge sharing and engineering culture.This role offers autonomy, cutting-edge tech, and a chance to influence a global digital banking platform.Compensaciones / Beneficios * Shape the team's technical roadmap with PMs and EMs to minimize debt * Architect, build and maintain high-performance web applications for internal ops * Foster clean delivery: promote clean code, testing, refactoring and frequent production releases * Integrate AI features and automation with foundational models to support back-office teams * Scale distributed systems with measurement and observability for continuous delivery * Mentor, review code, document technically, and share knowledge to avoid silos * Lead initiatives to improve engineering culture and team effectiveness * Involve in recruitment and employer branding to strengthen the engineering team Responsabilidades * 5+ years building complex distributed systems in Java or Kotlin with Spring Boot * Strong REST API design experience * PostgreSQL proficiency and CI/CD mindset * Experience with AWS and/or Kubernetes is a plus * Knowledge of design patterns (DDD, Hexagonal, microservices) * Experience with TDD/BDD and deep observability * Proven ability to leverage AI coding agents (Claude Code, Gemini Code, GitHub Copilot) to accelerate delivery * Leadership experience guiding mid/senior engineers to milestones * Strong communication and ownership in evolving domains Requisitos principales * competitive personal development budget * work-from-home budget * fitness, wellness, language app, and transport discounts * free Premium subscription on N26 account + family shares * additional vacation day per year of service * high autonomy and access to cutting-edge tech renominal relocation with visa support ## Related Videos - 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