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Senior Java Developer @ 9nexus

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 Senior Java Developer

Job Description

Senior Java Developer


Key Responsibilities:

  • Strong expertise in Java programming, Data analytics, and Java frameworks. This role involves developing robust code for Device DLL communication
  • Design, develop, and maintain Java applications with a focus on device-level integration and DLL communication.
  • Build and package Java-based installers for software deployment and license management
  • Building scalable, high-performance systems and contributing to the full software development lifecycle.
  • Collaborate with cross-functional teams to define, design, and ship new features.
  • Analyze and interpret data to support application logic and performance tuning.
  • Write clean, scalable, and well-documented code following best practices.
  • Troubleshoot and debug applications to optimize performance and reliability.
  • Participate in code reviews and mentor junior developers.

Required Skills and Qualifications:

  • Bachelors or masters degree in computer science, Engineering, or related field.
  • 5+ years of hands-on experience in Java development.
  • Strong understanding of Java classes, OOP principles, and multithreading.
  • Proficiency in Java frameworks such as Spring, Hibernate, or similar.
  • Experience with DLL integration and JNI (Java Native Interface).
  • Familiarity with building installation packages using tools like InstallAnywhere, IzPack, or similar.
  • Solid understanding of data analytics and ability to work with large datasets.
  • Experience with version control systems (e.g., Git) and CI/CD pipelines.
  • Excellent problem-solving skills and attention to detail.

Preferred Qualifications:

  • Experience in device communication protocols and embedded systems.
  • Knowledge of licensing frameworks and secure software distribution.
  • Familiarity with Agile/Scrum methodologies

Job Classification

Industry: IT Services & Consulting
Functional Area / Department: Engineering - Software & QA
Role Category: Software Development
Role: Back End Developer
Employement Type: Full time

Contact Details:

Company: 9nexus
Location(s): LONDON

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Keyskills:   Java Hibernate Spring Boot Microservices

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9nexus

At 9NEXUS, we specialise in helping technology companies build remote engineering teams that become an extension of their in-house team. We have worked with several happy customers spread across varied industries including enterprise SaaS, Life Sciences, Healthcare, Real Estate, FinTech, Infrastru...