Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Remote Java Engineer: Legacy Modernization & Performance

GruntWorx

A technology company is seeking a full-time Software Engineer to work remotely, specializing in Java for legacy systems modernization. The role involves maintaining, troubleshooting, and enhancing a multi-module enterprise platform while focusing on performance, stability, and security. Candidates should have strong experience with Java 8, PostgreSQL environments, web applications, and debugging legacy code, along with a willingness to engage in modernization efforts across the technology stack. #J-18808-Ljbffr

Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Remote Java Engineer: Legacy Modernization & Performance in Hampton, NH vacancy
  •  ...Software Engineer (Java – Legacy Systems Modernization) We are now accepting applications for a full-time, remote role in our Engineering Department. We are seeking a hands‑on Software...  ...role focuses on improving stability, performance, and security across a mature codebase... 
    Remote work
    Performance
    Full time

    GruntWorx

    Hampton, NH
    3 days ago
  •  ...experienced Full Stack Java Developer with a strong background in legacy system modernization, cloud migration, and...  ...ideal for a hands-on engineer who thrives in...  ...and maintaining high performance. If you have a passion...  ...automation. What We Offer Remote-first work... 
    Remote work
    Performance
    Work at office
    Local area

    Vaco

    Charlotte, NC
    3 hours ago
  •  ...Software Engineer Mactores is a trusted leader among...  ...businesses in providing modern data platform solutions...  ...with proficiency in Java, Spring, and Hibernate...  ...Java codebases to replace legacy or database-specific SQL...  ...unit, integration, and performance testing to confirm... 
    Remote work
    Performance
    Local area

    Mactores

    United States
    1 hour ago
  •  ...specialized in migrating Java/J2EE applications to...  ...take ownership for modernizing Java/J2EE applications...  ...improve scalability, performance, and agility, while minimizing...  ...teams transitioning legacy Java/J2EE applications...  ...in Computer Science, Engineering, or a related field (... 
    Remote work
    Performance
    3 days per week

    Rho

    United States
    3 days ago
  •  ...Senior Software Engineer (VB6 / Legacy Modernization) You will join a high-impact engineering environment...  ...to improve system reliability, performance, and maintainability. The role requires...  ...challenges in a fully remote, international engineering setup.... 
    Remote work
    Performance
    Work from home
    Home office

    Jobgether

    United States
    3 days ago
  •  ...Title: Senior Legacy Modernization Developer Contract...  ...Location: Orlando, FL (Remote) Backend &...  ...stack applications using Java (8+) and Spring Boot...  ...). Python & AI Engineering Strong Python...  ...deployment, monitoring, performance, scalability, and... 
    Remote work
    Performance
    Contract work

    Suncap Technology

    United States
    3 days ago
  •  ...days onsite and 2 days remote (onsite Tuesdays,...  ...a Principal Software Engineer on the DTC Participant...  ...will play a key role in modernizing Java-based, cloud-ready...  ...the transition from legacy platforms to scalable...  ...bar for code quality, performance, and reliability... 
    Remote work
    Performance
    Flexible hours

    Dtcc

    Coppell, TX
    1 day ago
  • $100k - $150k

     ...looking for a Windchill Java Customization Engineer in the United States. This...  ...environment where performance, scalability, and platform...  ...feature development and modernization of legacy customizations. You will...  ...0–$150,000 range. Fully remote work within the United States... 
    Remote work
    Performance

    Jobgether

    New York, NY
    2 days ago
  •  ...industry, is seeking a Senior Legacy Modernization (Mainframe) leader to join...  ...: Dallas, Texas, with remote work options available Pay...  ...migration, ensuring scalability, performance, and security. Lead...  ...in Business, Computer Engineering, or a related field; advanced... 
    Remote work
    Performance
    Weekly pay
    Temporary work
    Flexible hours

    Experis/Manpower Group

    Dallas, TX
    2 days ago
  • $86.6k - $181.8k

     ...Job Title: Legacy Modernization Software Developer Job Category: Information...  ..., PeopleSoft Application Engine processes, and EBS concurrent...  ...conversion. This is a primarily remote position with up to 10%...  ...established methods to independently perform a range of technical and... 
    Remote work
    Performance
    Full time
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    Ashburn, VA
    12 days ago
  • $100k - $150k

     ...Windchill Java Customization Engineer Job Title: Windchill Java Customization...  ...Location: 100% Remote (Continental United States...  ..., and a disciplined, performance-aware engineering style...  ...migration efforts to retire legacy customizations to modern PTC-supported patterns,... 
    Remote work
    Performance
    Full time
    Fixed term contract
    H1b
    Visa sponsorship

    Bright Vision Technologies

    United States
    4 days ago
  •  ...seeking Senior Fullstack Java Engineers to help support...  ...major migration and modernization efforts in response to...  ...to 9/30 and can sit remotely (EST). Other...  ...Work within a large, legacy codebase to maintain,...  ...maintainability, and performance across legacy services... 
    Remote work
    Performance
    Contract work

    Insight Global

    United States
    2 days ago
  •  ...Title : Legacy Modernization Developer Location : Remote - EST Duration: 6-Month Contract Our client is seeking a Legacy Modernization...  .... The role requires strong full-stack engineering expertise across Java, Python, and modern frontend frameworks,... 
    Remote work
    Contract work

    RIT Solutions, Inc.

    New York, NY
    3 days ago
  • $78 - $80 per hour

     ...Job title: Mainframe Legacy Modernization Engineer Bill rate: $78-$80/hr Role is onsite based out...  ...cycles, and system interdependencies. • Perform inventory analysis, call-chain...  ...logic into modern languages such as Java using automated tools or manual re-engineering... 
    Performance

    Diamondpick

    Jersey City, NJ
    2 days ago
  •  ...Job Title Location: Remote in EST (Fidelity hub...  ...API development using Java 21 and Spring 6 is a must...  ...migration and modernization experience (Struts to...  ...utilizing AWS services and performance optimization Experience...  ...goal is to remove the legacy Struts framework from... 
    Remote work
    Performance

    Software Technology Inc

    United States
    15 hours ago
  •  ...professional services firm is seeking an experienced Mainframe Assembler (ALC) Developer to support a large-scale federal modernization program. This remote position requires strong ALC and JCL expertise, as well as collaboration with Agile teams. Candidates should have 5+... 
    Remote work

    Tilodynamics

    Seattle, WA
    4 days ago
  • $130k - $150k

     ...Senior Java Developer (REMOTE) Our client is a large, established...  ...and is investing in modern backend architecture...  ..., and scalable engineering solutions that support...  ...and operational performance. This environment offers...  ...efforts involving legacy platforms, service decomposition... 
    Remote work
    Performance
    Local area

    1872 Consulting

    United States
    13 minutes ago
  •  ...Senior COBOL / Java / Spring Batch Developer This is a remote position. Location: Remote Summary...  ...a large-scale federal modernization initiative. Our client...  ...on transforming legacy mainframe applications...  ...equivalence, improved performance, and alignment with modern... 
    Remote work
    Performance
    For contractors

    Biz First

    United States
    40 minutes ago
  •  ...Job Title: Application Modernization Engineer Location: 100% remote Duration: 6 months...  ...technology to transform legacy systems into modern,...  ...functionality while improving performance and maintainability...  ...modern languages such as Java, C#, or Python C. Must... 
    Remote work
    Performance

    3B Staffing LLC

    Chicago, IL
    2 hours ago
  •  ...Java Springboot Developer Location: Remote Duration: 9+ months MoI: Videos Interview...  ...involves developing and modernizing cloud-native microservices...  ...strategy to migrate legacy monolithic applications...  ...developing, and deploying high-performance, mission-critical... 
    Remote work
    Performance

    InterSources

    United States
    3 hours ago
  • $90k - $120k

     ...Java Software Engineer Vestmark is actively seeking a highly skilled and motivated Java Software...  ...and resolve complex issues related to performance, scalability, and software reliability...  ...Spring or Spring Boot. Experience with modern architecture and related design... 
    Remote work
    Performance

    Venturefizz Product Management Community

    United States
    3 days ago
  •  ...ChatGPT era. Free from legacy constraints, we focus...  ...advanced AI, data, and engineering capabilities. Our...  ...highly skilled Senior Java Developers. You will...  ...develop, and maintain high-performance, modular, and scalable...  ...stack with a focus on modern Java, modularization,... 
    Remote work
    Performance
    Work from home
    Flexible hours

    Accellor

    United States
    2 days ago
  •  ...Java Software Engineer III As a Java Software Engineer III, you are a senior, highly impactful...  ...solutions with a focus on reliability, performance, and maintainability Take ownership...  ...Familiarity with CI/CD pipelines and modern DevOps practices ~ Experience working... 
    Remote work
    Performance

    MeridianLink

    United States
    1 day ago
  •  ...are seeking a Senior Java Developer to support a...  ...largescale healthcare platform modernization and rewrite initiative...  ...application from a legacy platform to a newly...  ...with crossfunctional engineering teams to deliver a...  ...including reliability, performance, and maintainability... 
    Remote work
    Performance

    Insight Global

    United States
    19 hours ago
  •  ...experienced Senior Java Developer with...  ...migration and cloud modernization. This is Full Time & Remote role who can work...  ...to understand legacy mainframe applications...  ...and re-engineering of business logic,...  ...mapping, indexing, and performance optimization for DB... 
    Remote work
    Performance
    Full time

    Lorven Technologies

    United States
    2 days ago
  •  ...Computer Science, Engineering, Information Technology...  ...(SOAP/REST) on Java frameworks such as...  ...building modern REST APIs in Java...  ...Hibernate, iBatis. Legacy knowledge of Java...  ...automation and application performance Required Skills...  ...: Yes Notes: REMOTE, Upon offer, client... 
    Remote work
    Performance

    Software Technology Inc

    United States
    14 hours ago
  •  ...Java Developer Kubernates At Sequoia Connect, we are a Talent...  ...REST APIs to ensure high-performance communication between services...  ...Integrate backend services with modern frontend frameworks such as...  ...). Desired: Legacy migration experience (transitioning... 
    Remote work
    Performance

    Sequoia Connect

    United States
    4 days ago
  •  ...Senior Java/AWS Engineer -with LIMS US Remote Duration- 6+ Months contract BigRio is a Boston-based...  ...in data engineering, AI/ML, cloud modernization, and custom software development....  ...on the AWS cloud platform for performance, scalability, reliability, and cost... 
    Remote work
    Performance
    Contract work

    Saviance

    United States
    15 hours ago
  •  ...agencies. iboss enables the modern workforce to connect securely...  ...Description As a Software Engineer at iboss, you'll have the...  ...~1 year of experience using Java technology stack and servlet...  ...Ability to identify and resolve performance problems in code Experience... 
    Remote work
    Performance
    Worldwide

    iboss

    United States
    3 days ago
  •  ...Senior Backend Software Engineer (Java/Spring Boot)-Offshore We are...  ...is designed for a high-performance developer who thrives in a...  ...environment and is focused on the modernization of our core loan...  ...backend systems to modernize legacy loan verification and high-... 
    Remote work
    Performance

    Flexton

    United States
    1 day ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Remote Java Engineer: Legacy Modernization & Performance. Be the first to apply!