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Urgent! Lead Java Developer Jobs | Acid Tango

Lead Java Developer



Job description

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 similar approaches such as Clean Architecture or Onion Architecture.

  • Significant back-end experience with Java, with a clear understanding of its strengths and trade-offs.

  • Experience designing and exposing APIs (REST and ideally event-driven).

  • Solid SQL skills and working knowledge of PostgreSQL, plus familiarity with non-relational databases such as Redis and MongoDB.

  • Confident with Git, Linux environments, and the command line.


Nice to have

  • Experience with CQRS, Event Sourcing, or asynchronous messaging (Kafka, RabbitMQ).

  • Exposure to microservices and distributed systems.

  • Familiarity with CI/CD pipelines and observability tooling.


What we offer

  • Competitive salary by level: Senior (35–45K), Architect (45–55K), Tech Lead (55–65K).

  • Performance-based bonus of up to 12% of your salary.

  • €1,000/year education budget to keep growing.

  • Flexible working hours and the option to work from home.

  • €300 to improve your home setup.

  • Challenging projects with a focus on innovation.

  • A dynamic, diverse team that wants to leave a mark.

  • International clients with thousands of users.


If you think you'd be a good fit, we'd love to talk.

;-)


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