Senior Java Developer

Decskill; Porto; On-site; EUR 42,000 - 65,000; Full time

Job summary

Decskill, a growing IT consulting firm, seeks a Senior Java Developer in Porto to build and maintain scalable Java applications in Agile teams. You will work with Spring, REST APIs, and multithreading, and contribute to testing, CI/CD, deployment, and documentation.

This role offers opportunities for technical growth within a people-first culture. You will join a community of over 800 professionals across Lisbon, Porto and Madrid, delivering impactful technology initiatives and long-term career

Qualifications

• Strong experience with Java and Spring framework.
• Proficient in REST APIs and multithreading.
• Familiar with distributed systems and technologies.
• Experience with unit/integration/acceptance testing.
• Knowledge of CI/CD practices and tools.
• Good grasp of software design principles.
• Professional English; strong communication.

Responsibilities

• Develop and maintain Java applications.
• Design and implement software solutions.
• Analyze and clarify technical and business requirements.
• Improve existing code for performance and maintainability.
• Develop secure, scalable, and high-quality software.
• Perform code reviews and follow development best practices.
• Implement automated tests and support CI/CD processes.
• Participate in testing, deployment, and documentation.
• Work in Agile/Scrum teams and collaborate with cross-functional teams.
• Continuously learn and adopt new technologies.

Skills

Java

Spring

REST APIs

Multithreading

CI/CD

Testing

English

Communication

Distributed Systems

Tools

Kafka

Apache Cassandra

Oracle Coherence

Tomcat

Job description

We are growing. And we are looking for talented people!

At Decskill, we believe that technological excellence is driven by human talent.

We are an IT consulting company with more than 10 years of consolidated experience in the market, focused on building long-term relationships with both our clients and our people. Today, we are a community of over 800 professionals, working from Lisbon, Porto, and Madrid, contributing to impactful technology initiatives.

As part of the Astek Group, we combine a strong local culture with a global presence, being active in around 23 countries across 4 continents. This allows us to offer an international context, diverse challenges, and long-term career opportunities, while staying close to our teams.

Senior Java Developer!

Responsabilities:

• Develop and maintain Java applications.
• Design and implement software solutions.
• Analyze and clarify technical and business requirements.
• Improve existing code for performance and maintainability.
• Develop secure, scalable, and high-quality software.
• Perform code reviews and follow development best practices.
• Implement automated tests and support CI/CD processes.
• Participate in testing, deployment, and documentation.
• Work in Agile/Scrum teams and collaborate with cross-functional teams.
• Continuously learn and adopt new technologies.

Requirements:

• Strong experience with Java.
• Experience with Spring, REST APIs, and multithreading.
• Knowledge of distributed systems and technologies such as Kafka, Apache Cassandra, Oracle Coherence, or Tomcat.
• Experience with unit, integration, and acceptance testing.
• Familiarity with CI/CD tools and practices.
• Good understanding of software design principles and Computer Science fundamentals.
• Professional English.
• Strong communication, attention to detail, teamwork, and problem-solving skills.

Are you looking for an environment that values curiosity and commitment? Here, your contribution has real impact and individual growth is taken seriously.

What you can expect from us?

• Long-term projects with national and international context.
• Opportunities to grow technically and professionally.
• A people-first culture, focused on transparency and trust.
• Teams that value ownership, collaboration and stability.

Find with us the right opportunity to grow!

Your next challenge might start here.

Decskill is committed to equality and non-discrimination with all our talents. We recruit and promote talent, based on diversity and inclusion, regardless of age, gender, ethnicity, race, nationality or any other form of discrimination incompatible with the dignity of the human being.