Senior Java Developer

About the Company

Apiumhub specializes in software architecture and development, building scalable, performance-focused platforms for clients ranging from startups to large international enterprises. Every project delivers working software—and a collaborative, growth-driven culture keeps the team inspired.

About the Role

A Senior Backend Developer will lead design and implementation of high-impact solutions, guide technical best practices, and mentor peers across a variety of challenging projects.

Key Responsibilities

• Design and develop robust backend services using Java and Spring Boot
• Define and enforce coding standards, architecture decisions, and design patterns
• Review teammates’ code, assist on complex features, and ensure healthy CI/CD pipelines
• Maintain and improve test coverage; integrate automated testing into daily workflows
• Stay current with emerging tools, frameworks, and methodologies
• Triage and validate bug reports to ensure timely resolution
• Communicate progress and technical status effectively within an Agile team

Must-Have Skills

• 5+ years of professional Java development experience
• Expertise in Spring Boot and building RESTful APIs
• Deep understanding of software architecture and design patterns
• Hands-on experience with Domain-Driven Design (DDD) principles
• Strong testing practices and commitment to clean code
• Familiarity with CI/CD tooling and containerization (e.g., Docker, Kubernetes)
• Fluent in English; Spanish is a plus

Nice-to-Have

• Experience with Kotlin
• Background in e-commerce or high-scale distributed systems
• Contributions to open-source projects or technical publications

What’s Offered

• Indefinite contract and 23 days of vacation per year
• Competitive salary based on experience
• Remote-friendly policy with optional access to a modern Barcelona office (free snacks, coffee, beer)
• Private medical insurance
• Free English classes and personal training budget
• Regular team activities, offsites, and a culture that values both expertise and humor

Please refer to the official website below for a comprehensive job description: