Senior Java Developer

Consultancy, Amsterdam, Nederland, posted 26 Oct 2026

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Market
Java Java
Industry
IT & software IT & software
Location
Salary
€6,500 per month
Employer
Consultancy

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Senior Java developer at an IT secondment firm in Amsterdam, with design ownership and a mentoring role.

An IT secondment firm in Amsterdam is hiring a senior Java developer. You work through the firm at clients in various sectors and take technical lead in the team. Your choices shape how an application looks years from now.

What you will do:

  • Design and build Java applications and own the architecture.
  • Make design decisions and explain the reasoning.
  • Review colleagues' code and protect quality.
  • Mentor medior and junior developers.
  • Advise the client on approach and planning.
  • Solve hard production issues.

What you bring:

  • At least 5 years of Java experience in professional projects.
  • Experience designing services and making architecture choices.
  • You work well with clients and teammates.
  • Bachelor or master level, or equivalent.
  • Good Dutch and English.

What you get:

  • A permanent role at a secondment firm with assignments at various clients.
  • A market-level salary that fits your experience.
  • A say in which assignments you take.
  • Room for training and certification.
  • Skilled colleagues to spar with.

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