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
- ...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
- ...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
$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$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- ...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
- ...Senior Java Engineer We are looking for an experienced... ...also ready to embrace modern cloud-native search via... ...maintaining critical legacy Solr clusters or architecting... ..., and maintain high-performance backend Java services... ...working format - remote, office-based or flexible...Remote workPerformanceFreelanceWork at officeFlexible 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- ...solutions. Referred to as Java Competence Center, we... ..., focusing on the modernization of a strategic vehicle... ...practices to ensure high performance and reliability across... ...cloudification of a legacy system into a scalable... ...working style: choose from Remote, Hybrid or Office work...Remote workPerformanceWork at officeShift workNight shift
- ...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
$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- ...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
- ...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
- ...Java Developer Fitch Ratings is hiring a Java Developer with expertise in upgrading... ...to AWS EKS. The role involves modernizing legacy systems, developing new features, and optimizing... ...to AWS EKS and ensure cloud-native performance. Develop full-stack solutions and maintain...Remote workPerformance
- ...Java/Spring Boot Developer Location: Remote in EST (Fidelity hub location preferred) Must... ...migration and modernization experience (Struts to Spring... ...utilizing AWS services and performance optimization... ...goal is to remove the legacy Struts framework from existing...Remote workPerformance
$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- ...Java Rest Api Software Engineer X2 6 month contract MN TX or Remote Project: Enterprise Clinical Data Hub (SDR V2) - Modernization of the Clinical data persistence and consumption layers.... ...Development stories Unit testing Performance tuning System testing and...Remote workPerformanceContract work
- ...Senior Backend Software Engineer Our Senior Backend... ...and maintaining the high-performance backend services that... ...Leveraging deep expertise in Java and distributed systems... ...for maintainable, modern infrastructure informed... ...Flexible working format - remote, office-based or...Remote workPerformanceFreelanceWork at officeMonday to FridayFlexible hours
$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- ...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
- ...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
$105k - $165k
...The Opportunity The myFICO engineering team builds web applications... ...integrations. Build and optimize Java-based microservices using... ...high availability and performance for thousands of concurrent users... ...databases (SQL & NoSQL), and modern development practices. What...Remote workPerformanceWorldwide- ...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
- ...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
- ...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
- ...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
- ...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
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