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
- ...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 workPerformanceFull time
- ...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 workPerformanceWork at officeLocal area
- ...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 workPerformanceLocal area
- ...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 workPerformance3 days per week
- ...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 workPerformanceWork from homeHome office
- ...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 workPerformanceContract work
- ...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 workPerformanceFlexible hours
$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 workPerformance- ...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 workPerformanceWeekly payTemporary workFlexible hours
$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 workPerformanceFull timeContract workWork experience placementFlexible hours$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 workPerformanceFull timeFixed term contractH1bVisa sponsorship- ...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 workPerformanceContract work
- ...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 workContract work
$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- ...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 workPerformance
- ...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
$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 workPerformanceLocal area- ...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 workPerformanceFor contractors
- ...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 workPerformance
- ...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 workPerformance
$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 workPerformance- ...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 workPerformanceWork from homeFlexible hours
- ...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 workPerformance
- ...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 workPerformance
- ...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 workPerformanceFull time
- ...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 workPerformance
- ...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 workPerformance
- ...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 workPerformanceContract work
- ...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 workPerformanceWorldwide
- ...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 workPerformance
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