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Lead Java Software Engineer
Lead Java Software EngineerCynet Systems • Lisle, IL
Lead Java Software Engineer

Lead Java Software Engineer

Cynet Systems • Lisle, IL
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  • [job_card.full_time]
[job_card.job_description]

Job Description :

Pay Range : $55hr - $60hr

  • The Lead Java Software Engineer will own the architecture, design, and modernization of Java EE applications supporting a new eCommerce platform.
  • This role combines hands-on development with architectural leadership, guiding integration efforts, refactoring legacy systems, and driving best practices across the engineering team.
  • The ideal candidate will provide technical mentorship, influence strategic direction, and ensure delivery of scalable, secure, and high-performing enterprise solutions.

Key Responsibilities :

Application Design And Development :

  • Design, develop, and implement new integrations and features supporting the eCommerce platform using Java EE.
  • Modernize and refactor existing codebases to improve performance, scalability, and maintainability.
  • Enhance user interfaces using HTML, CSS, and JavaScript to deliver intuitive user experiences.
  • Develop and maintain RESTful APIs and web services.
  • Troubleshoot, debug, and resolve software defects in a timely manner.

    • Architecture And Technical Leadership :

  • Own and guide the overall architecture of Java EE applications.
  • Define and enforce coding standards, design patterns, and engineering best practices.
  • Lead modernization initiatives including monolith refactoring and modular architecture improvements.
  • Evaluate and recommend new technologies aligned with enterprise standards.
  • Translate functional and non-functional requirements into scalable technical solutions.
  • Influence engineering roadmaps through data-driven technical recommendations.

    • Collaboration And Stakeholder Engagement :

  • Collaborate with product managers, UX / UI designers, DevOps, security teams, and architects.
  • Act as the technical point of contact across cross-functional teams.
  • Lead design reviews, architecture discussions, and complex problem-solving sessions.
  • Participate in code reviews, testing, and documentation to ensure quality and reliability.

    • Mentorship And Team Leadership :

  • Mentor junior and mid-level engineers.
  • Provide constructive feedback focused on long-term maintainability and scalability.
  • Guide the team in adopting modern engineering practices and standards.
  • Lead technical initiatives and drive engineering direction.

    • Required Qualifications :

  • Bachelor’s degree in Computer Science, Software Engineering, or related field, or equivalent practical experience.
  • 7+ years of professional Java development experience with strong Java EE expertise.
  • Proven experience designing and maintaining enterprise-scale production systems.
  • Strong knowledge of HTML, CSS, and JavaScript for UI development.
  • Experience integrating new features into legacy systems.
  • Strong problem-solving and analytical skills.
  • Excellent communication and collaboration abilities.

    • Preferred Skills :

  • Experience contributing to enterprise architecture standards.
  • Hands-on experience with cloud-native or hybrid architectures (Azure preferred).
  • Deep understanding of RESTful API design, security patterns, and integration strategies.
  • Familiarity with CI / CD pipelines, DevSecOps practices, and automated quality gates.
  • Experience leading large-scale system migrations or platform modernization initiatives.
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