Senior Java Engineer-- (Fully Remote | Long-term Contract)

Senior Java Engineer-- (Fully Remote | Long-term Contract)

Posted Today by Beacon Hill

Negotiable
Undetermined
Remote
Remote

Summary: The role of Senior Java Engineer involves supporting a large-scale modernization effort by converting legacy ETL and mainframe-driven backend logic into modern Java services. The ideal candidate will have extensive backend engineering experience, particularly in complex environments, and will utilize AI tools in their development work. Mentoring junior engineers and defining technical standards are also key aspects of this position. This is a fully remote, long-term contract opportunity.

Key Responsibilities:

  • Support backend processing related to a large-scale data modernization initiative
  • Review and refactor existing Java code
  • Extract and translate legacy ETL and mainframe logic into Java-based services
  • Collaborate closely with Principal Engineers and legacy system subject matter experts
  • Learn and navigate complex legacy data flows and integration points
  • Lead and contribute to ETL-to-Java modernization efforts
  • Help define Java development patterns and backend architecture standards
  • Mentor engineers transitioning from legacy or ETL-based development into Java
  • Improve consistency, maintainability, and scalability of backend services
  • Support future modernization initiatives as additional projects come online

Key Skills:

  • Senior-level Java engineering experience (Java 11+)
  • Strong backend development background
  • Experience modernizing legacy systems or rewriting ETL / batch logic
  • Demonstrated experience using AI tools for development and analysis
  • Experience with APIs, messaging systems, and backend processing pipelines
  • Comfortable working in ambiguous environments with limited documentation
  • Strong collaboration and communication skills
  • Proven ability to mentor engineers and support team capability growth

Salary (Rate): £56.25 hourly

City: undetermined

Country: undetermined

Working Arrangements: remote

IR35 Status: undetermined

Seniority Level: Senior

Industry: IT

Detailed Description From Employer:



Overview


We are seeking a senior-level Java engineer to support a large-scale modernization effort focused on converting legacy ETL and mainframe-driven backend logic into modern Java services. This role is ideal for an experienced backend engineer who is comfortable working in complex, ambiguous environments and enjoys mentoring others while helping define future technical standards.


A core requirement of this role is hands-on experience using AI tools in day-to-day development and analysis work, including code review, refactoring, and problem-solving.


Immediate Focus



  • Support backend processing related to a large-scale data modernization initiative

  • Review and refactor existing Java code

  • Extract and translate legacy ETL and mainframe logic into Java-based services

  • Collaborate closely with Principal Engineers and legacy system subject matter experts

  • Learn and navigate complex legacy data flows and integration points


Ongoing Responsibilities



  • Lead and contribute to ETL-to-Java modernization efforts

  • Help define Java development patterns and backend architecture standards

  • Mentor engineers transitioning from legacy or ETL-based development into Java

  • Improve consistency, maintainability, and scalability of backend services

  • Support future modernization initiatives as additional projects come online


Technical Environment



  • Languages & Frameworks: Java (11+), Spring

  • Databases: Mainframe DB2, Oracle

  • Messaging: Kafka, RabbitMQ

  • Integration: REST APIs, SOAP (being decommissioned)

  • Cloud & Platform: AWS, OpenShift, AWS Lambda, S3

  • CI/CD: GitHub, GitHub Actions

  • Testing: Rest Assured, Cypress, Playwright, TypeScript Playwright

  • Legacy Tools: ETL pipelines; mainframe interaction (helpful, not required)


Required Qualifications



  • Senior-level Java engineering experience (Java 11+)

  • Strong backend development background

  • Experience modernizing legacy systems or rewriting ETL / batch logic

  • Demonstrated experience using AI tools for development and analysis

  • Experience with APIs, messaging systems, and backend processing pipelines

  • Comfortable working in ambiguous environments with limited documentation

  • Strong collaboration and communication skills

  • Proven ability to mentor engineers and support team capability growth


Nice to Have



  • Cloud experience (AWS, Lambda, S3)

  • Container platforms (OpenShift, Argo CD)

  • Messaging systems (Kafka, RabbitMQ)

  • Mainframe-adjacent experience or tools such as Zowe


Interview Process



  • Technical screening (code review and refactoring discussion)

  • Follow-up interview with Hiring Manager and Scrum Master focused on collaboration and team fit

  • Video screening required prior to submission





Beacon Hill is an equal opportunity employer and individuals with disabilities and/or protected veterans are encouraged to apply.


California residents: Qualified applications with arrest or conviction records will be considered for employment in accordance with the Los Angeles County Fair Chance Ordinance for Employers and the California Fair Chance Act.


If you would like to complete our voluntary self-identification form, please or copy and paste the following link into an open window in your browser: ;/p>

Completion of this form is voluntary and will not affect your opportunity for employment, or the terms or conditions of your employment. This form will be used for reporting purposes only and will be kept separate from all other records.


Company Profile:

Beacon Hill Technologies, a premier National Information Technology Staffing Group, provides world class technology talent across all industries utilizing a complete suite of staffing services. Beacon Hill Technologies' dedicated team of recruiting and staffing experts consistently delivers quality IT professionals to solve our customers' technical and business needs.

Beacon Hill Technologies covers a broad spectrum of IT positions, including Project Management and Business Analysis, Programming/Development, Database, Infrastructure, Quality Assurance, Production/Support and ERP roles.


Learn more about Beacon Hill and our specialty divisions, Beacon Hill Associates, Beacon Hill Financial, Beacon Hill HR, Beacon Hill Legal, Beacon Hill Life Sciences and Beacon Hill Technologies by visiting .


Benefits Information:


Beacon Hill offers a robust benefit package including, but not limited to, medical, dental, vision, and federal and state leave programs as required by applicable agency regulations to those that meet eligibility. Upon successfully being hired, details will be provided related to our benefit offerings.




We look forward to working with you.

Beacon Hill. Employing the Future