Acid Tango is a digital product studio. We transform our clients' ideas into digital products, with a focus on digital innovation and bringing disruptive ideas to life. In every project, we search for the perfect harmony between simplicity, aesthetics, and technology.
We're currently looking for a Lead software developer with solid Java expertise to join us. You'll bring experience in complex architectures and large-scale data systems, and you'll lead a team of talented developers building products that matter.

What you'll do
• Inspire, motivate, and lead senior and junior developers, fostering a culture of technical excellence and continuous learning.
• Work closely with our design team and clients to deliver beautiful, thoughtful, and effective products that have a real impact on their business.
• Drive the technical evolution of our clients' projects, from architectural decisions to day-to-day implementation.
• Champion high-quality engineering practices: TDD, clean code, code reviews, pair programming, and continuous refactoring.




• Define and evolve software architectures based on Domain-Driven Design (DDD) and Hexagonal Architecture principles, ensuring our codebases stay maintainable, testable, and aligned with business needs.
• Prioritize and coordinate code improvement initiatives across the team.
• Bring your ideas and knowledge to help us keep raising the bar.

What we're looking for
• 5+ years of experience in software development with Java.
• Strong command of the Spring Boot framework.
• Passion for software craftsmanship and clean, maintainable code.
• Deep knowledge of object-oriented programming, algorithms, and software architecture.
• Hands-on experience with Test-Driven Development (TDD) as a daily working practice.
• Solid understanding of Domain-Driven Design (DDD): bounded contexts, aggregates, ubiquitous language, and strategic design.
• Practical experience designing and building applications with Hexagonal Architecture (Ports & Adapters) or

📌 Lead Java Developer (España)
🏢 Acid Tango
📍 España