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Senior Java Engineer

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: IT.HR Recruitment Agency
Full Time position
Listed on 2026-02-16
Job specializations:
  • Software Development
    Software Engineer, Full Stack Developer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis

For our client, a rapidly growing international consulting company specialising in software engineering, we are looking for an experienced Java Developer to join a team delivering large-scale and business-critical projects.

Responsibilities:
  • Participate in all phases of the SDLC: requirements analysis, design, implementation, testing, and deployment.
  • Collaborate closely with engineers, product owners, and stakeholders to design and build scalable, distributed solutions that deliver excellent user experiences.
  • Modernize legacy monolithic applications into microservices-based architectures.
  • Integrate new features with third-party systems via APIs.
  • Optimize and ensure responsiveness of frontend applications.
  • Document code, support troubleshooting, and assist other engineers with problem-solving.
  • Drive best practices in system design and development, providing technical guidance and leadership.
Technical

Skills:
  • Strong coding skills in Java (JDK 8+), both Core and Advanced.
  • Advanced knowledge and hands-on experience with Spring Boot
    , relational databases, and caching solutions.
  • Practical experience with different test coverage levels (unit, functional, integration, contract testing).
  • Experience integrating with external systems and APIs.
  • Knowledge of high availability, scalability, and resiliency in systems.
  • Ability to troubleshoot issues independently across different environments.
  • Quick learner, able to adapt to new projects/domains and act as an SME for specific features/epics.
  • Strong code review capabilities with a focus on quality.
Professional

Skills:
  • Highly motivated, aiming for engineering excellence and avoiding mediocrity.
  • Strong communication and collaboration skills.
  • Proactive in asking questions during requirement and elaboration sessions.
  • Able to identify improvement areas in applications and take ownership to drive change.
  • Actively participates in code reviews, providing constructive feedback and suggestions.
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Position Requirements
10+ Years work experience
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