Java Developer (Multithreading)
$63 per hourApptad
Job ID: z5G7h3l6a1kMvyS65NP3c7bIx98AhW5K7qqZToOh3iY=Job Code: JPC - 26142Location: Princeton, NJ, United States (Remote)Salary: USD 63 (Hourly)Role : Java Developer (Multithreading) Location : Princeton, NJ Position Type : Contract Job Description : Multithreading concepts who has worked in BFS, Finance & Fintech domains Mandatory Skills : Java, Microservices, MS SQL Server, React, Spring Boot, Multithreading, GitHub Co-Pilot Core Java Threading & locks & Mongo DB Requirement: Concurrency Architecture: Build ultra-scalable, non-blocking asynchronous microservices. Threading Management: Optimize low-level java.util. concurrent components, thread pools, and locks. Modernization: Transition high-load I/O workloads to Java 21 Virtual Threads (Project Loom). Performance Tuning: Eliminate deadlocks, race conditions, thread starvation, and memory leaks. Diagnostics: Run thread dump analysis, heap dumps, and GC tuning using profilers. Must know Core Java: Deep expertise in Java 17/21 memory models and synchronization primitives. Spring Ecosystem: Advanced Spring Boot engineering, focusing on @Async task executors and WebFlux. High Throughput: Hands-on experience with Kafka/RabbitMQ, or ultra-low-latency event streaming. Database Locking: Mastery over optimistic/pessimistic locking and database isolation levels. Build resilient, low-latency, and multi-threaded Java applications. Full Stack Development Build user facing interfaces HTML CSS JS Angular React and server-side logic Java Spring Boot Database Management Design develop and maintain relational databases SQL Oracle PostgreSQL API Microservices Develop test and integrate RESTful APIs and microservices architectures Testing Debugging Perform unit testing troubleshoot applications and fix bugs to ensure quality Deployment DevOps Deploy code to environments using containerization tools like Docker and Kubernetes Collaboration Work with cross functional teams Product Managers QA in Agile Scrum environmentsSkillsMultithreading, MS SQL Server, React, GitHub Co-Pilot
- ...coordinate bug fixes to uphold the software quality standards Develop user training programs, documentation, and support... ...higher-order functions, and collections. Experience in Core Java, multithreading, concurrency, collections, memory management, and JVM performance...SuggestedFull timeTemporary workRelocation
Infosys Technologies
Pennington, NJ20 hours ago - ...WiproContact: Meghana GorusuCompany: SRI Tech SolutionsTitel: Java Back End DeveloperLocation : NJ/NY(Need local profiles)Work Mode... ...should have 10+ years of strong Java experience in designing, developing, testing, and successfully deploying critical and complex projects...SuggestedHourly payWork at officeLocal area
SRI Tech
Princeton, NJ3 days ago $120k - $150k
...prototyping platform. The ideal candidate is a highly skilled developer with experience in designing and implementing large-scale distributed... ...: Ideal candidate should have 8+ years of strong Java experience in designing, developing, testing and successfully deploying...Suggested2 days per weekS&P Global
Princeton, NJ20 hours ago- ...Job title: Java J2ee Developer Location: Plainsboro, New Jersey Required skills: Strong knowledge and experience in Core Java/J2EE, Spring, Struts, Hibernate, Servlets, JSP, Struts, JDBC, HTML5, CSS3, JavaScript, AJAX, JavaBeans, XML, log4j and JUnit, TestNG, Oracle...Suggested
Hermes Networks Inc.
Plainsboro, NJmore than 2 months ago - ...Job Description Role : Hadoop Java Developer \n Location: Plano, TX / Charlotte, NC / Pennington, NJ \n Duration: Fulltime Role \n \n Hadoop Java Developer \n Must Have Technical/Functional Skills \n Primary Skill: Hadoop, Scala, Shell scripting...SuggestedFull time
Envision Technology Solutions
Pennington, NJ2 days ago - ...Weehauken, NJEmployment Type: C2CIndustry: Computer SoftwareClient: WiproContact: Meghana GorusuCompany: SRI Tech SolutionsJob Title: Java Spring boot DeveloperLocation; Weehauken, NJ (Day1 onsite)Duration: ContractJob Description:8+ years of strong proficiency in Core...
SRI Tech
Trenton, NJ3 days ago - ...Time)Employment Type: Full TimeIndustry: Computer SoftwareClient: WiproContact: Meghana GorusuCompany: SRI Tech SolutionsJob Title: Java Springboot DeveloperLocation; Weehauken, NJJob Description:8+ years of strong proficiency in Core JavaStrong proficiency in Spring Boot...Full time
SRI Tech
Trenton, NJ3 days ago - Company DescriptionSonSoft is an IT Staffing and consulting firm and duly organized under the laws of the Commonwealth of Georgia. We are growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled...Permanent employmentFull timeH1b
Sonsoft
Pennington, NJ3 days ago $65k - $80k
...Intelligence; we are looking for candidates with a strong background in Software Engineering or Computer Science for a Java/Software Developer position. Responsibilities: ● Develop software and web applications using Java 8/J2EE/Java EE (and higher), React.js...Full timeVisa sponsorshipWork visaBeaconFire Inc.
East Windsor, Middlesex County, NJ2 days ago- ...best rate for your skills and performance.Job DescriptionPosition: Java Software Engineer-Location: Princeton, NJ Employment: Full... ...unit testing on new and existing product applications.Design and develop data-driven architecture using SOA design pattern for client products...
SA Technologies
Princeton, NJ3 days ago - ...Software Development, Software Consultancy and Information Technology Enabled Services.Job Description•At least 4 years ofhands-on Java experience, including analysis, design and testing. •At least 4 years of experience usingJPA (Hibernate or some other implementation...
Sonsoft
Pennington, NJ3 days ago - ...Information Technology Enabled Services.Job DescriptionPreferred• Atleast 3 years of experience in software design and development on Java, J2EE technologies and Oracle PL/SQL• Atleast 3 years of experience in J2EE framework like Struts, Spring and Hibernate• Atleast 4...Permanent employmentFull timeH1b
Sonsoft
Pennington, NJ3 days ago - ...Technology Enabled Services.Job DescriptionAt least 4 years of hands-on Java/J2ee experience, including analysis, design and testing. At... ...or some other implementation).At least 4 years of experience developing web services, using SOAP or preferably REST and MQ Series.At...Permanent employmentFull timeH1b
Sonsoft
Pennington, NJ3 days ago - ...in the United States.Job Description• 10+ years experience with Java and J2EE• Strong working experience on following technologies -... ...- HTML 5, CSS, Javascript, Angular JS, Bootstrap• Must have developed applications on all device platforms - Desktop, Mobile and Tablet...Work experience placement
LanceSoft
Trenton, NJ3 days ago - Job ID: 25607069Reference Number: 25-00544Title: Java Developer with PythonPosted Date: 2025-05-29Company: HAN Staffing Java with Python/Spark // New Jersey // Non JNTUH Java: 60% Python: 20% Spark: 20% Required Qualifications, capabilities, and skills Proven Senior Developer...
HAN Staffing
Trenton, NJ4 days ago - ...services.Job DescriptionPreferred• At least 4 years of hands-on Java/J2ee experience, including analysis, design and testing.• At... ...or some other implementation).• At least 4 years of experience developing web services, using SOAP or preferably REST and MQ Series.• At...Permanent employmentFull time
Career Guidant
Pennington, NJ3 days ago - ...consider transfers . Required Qualificatio nsWe are looking for an experienced Full Stack Developer to design, build, and maintain scalable web applications using Java (Spring Boot) on the backend and Angular on the frontend. The ideal candidate has strong problem...Long term contractWork visa
Mitchell Martin Inc.
Pennington, NJ4 days ago - ...an excellent reputation with the clients.Currently, we are looking for entry-level software programmers, IT enthusiasts, Python/Java developers, data analysts/data scientists. We welcome candidates with all visas and citizens to apply.Who should apply: Recent computer...
SynergisticIT
Princeton, NJ4 days ago - ...Overview JOB SUMMARY: Looking for a Java Developer to support the analysis, design, development, testing, maintenance, and enhancement of enterprise applications. Responsibilities Develop backend services and enterprise applications using Java, Spring Boot, J...Full time
Compunnel
Ewing, NJ1 day ago - ...skills and performance.Job DescriptionRequired Qualifications: 3+ years of Experience in software design and development utilizing core Java and Web services • Knowledge of SQL database technologies such as PostGresSQLStrong interpersonal and communication skills;...
SA Technologies
Princeton, NJ3 days ago - ...Mulesoft Anypoint API Platform• Able to interpret requirements to develop Mule services/integrations in CI/CD and Agile process.• Make... ...SSL, CORS, JWT, etc.)• Extensive coding experience with either Java/Spring or Node.js• Understanding of differences between SOA and...Full time
Sonsoft
Pennington, NJ3 days ago - ...Job Details: Java Software Engineer Hybrid – 2 Days Onsite An international industry leader is growing its engineering team and seeking experienced Java Software Engineers to join its organization. Key Requirements: Java Spring Boot Node.js Kafka...Full time
Liberty Personnel Services, Inc.
Princeton, NJa month ago - ...desirable.Pega admin knowledge with containers is highly desirable.Experience in UI development using React JS will be preferrableHaving Java Spring boot experience is an added advantageSRI Tech Solutions is an equal opportunity employer and does not discriminate on the...Work experience placement
SRI Tech
Princeton, NJ3 days ago - ...Role: Java Backend Engineer Location: Charlotte, NC / Austin , TX / Princeton , NJ / Santa Clara , San fransisco , CA... ...You will help transform ideas into production-ready systems by developing and evolving search and experimentation platforms, prototyping...Contract work
VBeyond
Princeton, NJ2 days ago - ...Vice President, Senior Software Developer About the Company Expanding provider of investment... ...The ideal candidate will have excellent Java n-tier application experience,... ...development teams. Proficiency in Java, multithreading, and commercial software development is...
- ...Senior Java Full-Stack Developer Location: Trenton, NJ Hybrid (3 days Onsite, 2 days Remote) Duration: Contract Interview will be onsite Job Description We are looking for a Senior Full-Stack Developer (Java & React) to design, develop, modernize, and support...Contract workWork at officeLocal areaRemote work
Dew Softech
Ewing, NJ4 days ago $122k - $240.5k
...technical solutions using analysis, experience, and decision making Developing solutions to client problems through application of methods and... ...with object-oriented programming using languages such as Java, Python, or JavaScript/TypeScript.Experience with frontend development...Local areaDeloitte
Princeton, NJ12 hours ago- ...Position: Java Application Developer Location: Trenton, NJ; Candidates must work 3 days a week ON-SITE 8-4:30 physically IN-Office in Trenton, NJ. (2 days remote work) Duration: 1 year with possibility of extension Bill Rate: Open Interview: ONSITE INTERVIEW...Full timeContract workWork experience placementWork at officeLocal areaRemote workWork from homeFlexible hours3 days per week
Dew Softech
Trenton, NJ1 day ago $135k - $200k
...security threats. Our mission is to safeguard systems and data by developing innovative solutions to the industry’s most complex security... ...practices and the software development lifecycle. • Experience with Java application technologies, deployment frameworks, and associated...2 days per weekS&P Global
Princeton, NJ20 hours ago- ...makers. Strategically solve problems by recognizing long term solutions across multiple projects.What we value Ability to program using Java, C# In-depth knowledge of at least one of the following RDMBS: Oracle, MS SQL Server or Sybase Detailed knowledge of several of the...Full timeRemote workFlexible hours
State Street Bank
Princeton, NJ2 days ago
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