ICT vacatures Haarlem

• Collaborate closely with product owners, stakeholders, and third parties to translate business requirements into clear technical specifications
• Design, develop, and maintain high-performance, highly available Java-based web applications and RESTful APIs
• Ensure application performance, quality, scalability, and responsiveness
• Identify system bottlenecks, troubleshoot issues, and implement robust fixes
• Participate in code reviews and actively mentor junior developers
• Contribute to continuous improvement of development standards, tools, and best practices
• Support critical business applications on a 24×7 rotating on-call basis (once every 7–8 weeks)
• Work across backend and frontend layers, primarily in Java while supporting Angular-based applications

What You Bring to the Table:

• 6–8 years of hands‑on experience as a Java developer, senior software engineer, or technical lead
• Strong expertise in Java web frameworks and building enterprise‑grade applications
• Solid experience designing and implementing RESTful APIs and distributed systems
• Proven experience with event‑driven architectures and messaging systems (e.g., Kafka)
• Experience developing systems with high availability and critical uptime requirements
• Cloud development experience (cloud‑native and serverless concepts); Azure is a plus
• Working knowledge of CI/CD pipelines, GitHub Actions, and DevOps practices
• Familiarity with monitoring, observability tools, metrics, and application actuators
• Frontend exposure using Angular 13+, with willingness to maintain and enhance UI applications
• Experience or exposure to Robotic Process Automation (RPA) tools such as UiPath
• Strong English communication skills; Dutch proficiency is a nice‑to‑have

You Should Possess the Ability to:

• Translate complex business needs into scalable technical solutions
• Lead technical initiatives from concept through delivery
• Apply software design patterns and engineering best practices effectively
• Explain complex technical concepts clearly to both technical and non‑technical audiences
• Work independently while thriving in a collaborative, cross‑functional environment
• Balance backend focus with frontend understanding and ownership
• Proactively improve system reliability, performance, and maintainability

What We Bring to the Table:

• Challenging technical work on complex, mission‑critical systems
• Opportunities to lead and influence architectural and technical decisions
• Exposure to modern cloud‑native, event‑driven, and distributed architectures
• A collaborative environment that values knowledge sharing and mentorship
• Continuous improvement culture with room to grow technically and professionally

Let’s Connect

Want to discuss this opportunity in more detail? Feel free to reach out.

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