Lead Java Developer

Next Engineering; Brussel Hoofdstad; Hybrid; EUR 90,000 - 120,000; Full time

Job summary

Next Engineering is seeking a lead Java Developer to drive robust Java-based solutions in a hybrid setup with two in-office days weekly. You will mentor junior/mid-level developers, lead feature development, and integrate automated testing into CI/CD while ensuring SOLID, secure code and up-to-date documentation.

Fluency in English is required; Dutch or French is a plus. Expect 24/7 on-call duty after training and collaborating across teams within an on-premise environment.

Qualifications

• Knowledge of Java 6/8, JavaFX and Swing is mandatory.
• Experience working in a Scrum environment.
• Experience with LeSS, or with multiple teams working from a single backlog, is a strong plus.
• Strong problem-solving, communication, collaboration and initiative skills.
• Ability to integrate easily into an existing team.
• Good command of English is mandatory, with fluency in either Dutch or French.
• Willingness to participate in 24/7 on-call duty after appropriate training.

Responsibilities

• Translate functional requirements into robust technical solutions.
• Develop new features and maintain, optimise and evolve existing Java applications.
• Analyse and resolve technical issues in collaboration with other teams.
• Integrate automated testing into CI/CD pipelines.
• Ensure compliance with clean code, SOLID principles and security best practices.
• Keep technical documentation and best practices up to date.
• Support software deployment and release management in an on-premise environment.
• Coach junior and mid-level developers and contribute to knowledge sharing.
• Participate in 24/7 on-call duty after appropriate training.

Skills

Java 6/8

JavaFX

Swing

Scrum experience

LeSS

Problem-solving

Communication

Collaboration

Initiative

English proficiency

Dutch or French

On-call duty

Job description

At Next Engineering, we don’t wait for the future. We build it.

We believe that innovation comes through knowledge and that every project is an

opportunity to push boundaries.

We also believe that the next step is yours.

Be our NEXT Lead Java Developer!

Your responsibilities:

• Translate functional requirements into robust technical solutions
• Develop new features and maintain, optimise and evolve existing Java applications
• Analyse and resolve technical issues in collaboration with other teams
• Integrate automated testing into CI/CD pipelines
• Ensure compliance with clean code, SOLID principles and security best practices
• Keep technical documentation and best practices up to date
• Support software deployment and release management in an on-premise environment
• Coach junior and mid-level developers and contribute to knowledge sharing
• Participate in 24/7 on-call duty after appropriate training

Your profile:

• Knowledge of Java 6/8, JavaFX and Swing is mandatory
• Experience working in a Scrum environment
• Experience with LeSS, or with multiple teams working from a single backlog, is a strong plus
• Strong problem-solving, communication, collaboration and initiative skills
• Ability to integrate easily into an existing team
• Good command of English is mandatory, with fluency in either Dutch or French
• Willingness to participate in 24/7 on-call duty after appropriate training

Full-time, with 2 days per week in the office

Do you have more than 10 years of experience?