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. ;-)
or continue with email
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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