Senior Java Developer
$100 - $120 per hour28Stone
About 28Stone
28Stone is a global IT consulting and custom solutions firm specializing in capital markets technology and financial services software. We partner with leading financial institutions in the US and UK to design, build, and deliver high-performance systems that improve efficiency while reducing risk, cost, and time to market.
As a full-service technology partner , we support the full delivery lifecycle - from advisory and architecture to implementation, testing, and deployment.
At 28Stone, we foster a culture of learning, openness, and collaboration. Recognized with Top 1% Workplace Awards 2024 in the “Best Workplace for Talent Investment” category, we are always looking for motivated professionals eager to grow their careers while building impactful financial technology for global markets.
Your Impact Zone
- Perform system design (High /low), Workflow diagrams and participate in design review sessions.
- Designing and writing clean and testable code.
- Effectively collaborating with the project team.
- Maintaining own productivity and aligning to project goals.
- Actively contributing to technical solution definition.
- Communicating with the client daily.
Requirements
- At least 5+ years of hands-on experience in developing enterprise applications using Java.
- Must have 5 plus years of Spring/Spring boot development experience
- Experience in Camel.
- Threading/Concurrency, Collections, Exception Handling and other core java features.
- Experience in writing REST, Microservice & APIs- including performance, security, and error handling aspects.
- Good knowledge of SQL, entity relations (ORM) and writing queries.
- Decent knowledge in protocols - SSL, TCP and others.
- Good understanding of the CI/CD process.
- Build tools - Maven / Gradle
- Version control - GIT (preferred) / SVN.
- Messaging experience (AMQ or Kafka).
- Good written and spoken English communication skills (Communicate with international clients and colleagues).
- Ability to work in a team and independently.
Considered an advantage
- Knowledge of cloud (Azure) and containers (OpenShift or similar).
- Knowledge of Financial markets and Fixed income.
- Experience with AI is a nice to have, interest and willingness to use it is a must have.
Benefits
Employment Details:
- This is a contractor position only (C2C).
- Looking for individuals with 5+ years of experience.
- Compensation ranges from $100-120 per hour based on experience and qualifications. Higher rates may be considered for exceptionally strong candidates.
- Candidates should be local to the New Jersey Area and can work in a hybrid model (5 days in the office every 10 business days (2 days one week and 3 days the next)).
We are flexible and take an individualized approach with each candidate we meet, so we encourage you to apply even if you do not meet every listed requirement.
Only candidates who have the right to work in USA are considered for this position.
- ...and coordinate bug fixes to uphold the software quality standards Develop user training programs, documentation, and support frameworks to... ....Required Skill and Experience• Hands on experience in Core Java (Java 8+)• Experience with Spring Boot framework• Hands on understanding...SeniorFull timeTemporary workRelocation
$142.32k - $213.48k
...in the Financial Service industryProficiency in programming in Java, JavaScript or ReactExperience of building RESTful APIs using popular... ...with data structures, algorithms and SQLExperience as senior level in an Applications Development roleStakeholder and people...SeniorFull time- ...We are seeking a highly skilled and experienced Senior Full Stack Java Developer to lead the design, development, and implementation of Java-based applications and frameworks. The ideal candidate will possess strong technical expertise, a collaborative mindset, and a...Senior
- ...Job DescriptionMust have 10 Years of IT experienceExperience in Java,JEE,JMS,AngularJS,HMTL5,Oracle,NoSQl and MongoDBCassandra experience... ....SummaryType: ContractFunction: Information TechnologyExperience level: Mid-Senior LevelIndustry: Information Technology And ServicesSeniorContract work
$142.32k - $213.48k
...United StatesSalary: $142,320.00 - $213,480.00Category: Technology, Applications Development, ProfessionalCompany: CitiThe Senior Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in...SeniorFull timeShift work- ...building REST and SOAP web services using JavaExperience with Web Services(JSON, REST, JAX-RS, Spring based REST services)Experience with Java and J2EE/Java EE (including servlets, JSP, Hibernate , JDBC)Experience with development tools like Eclipse, GitExperience with web...SeniorFor contractors
$142.32k - $213.48k
...0Category: Technology, Applications Development, ProfessionalCompany: CitiWe are seeking a highly skilled and hands-on Senior Back-End Java Developer to join a back-office trading application technology team within a leading financial institution. In this role, you will...SeniorFull time- ...Join to apply for the Senior Full Stack Java Developer role at NTT DATA North America Senior Full Stack Java Developer - 25-05842 100% Onsite in Jersey City, NJ 2+ Yrs Duration W2 or C2C Final Client Interview is In-Person - NO EXCEPTIONS! NTT DATA strives to hire exceptional...SeniorWork at office
$121.2k - $181.8k
...Category: Technology, Applications DevelopmentCompany: CitiSenior Java Big Data Developer with experience in designing and developing Java/J2EE based... ...dashboard application that provides sensitive data to senior management. Application involves business process workflow...SeniorFull time$142.32k - $213.48k
...Development, ProfessionalCompany: CitiWe are seeking a highly skilled and experienced Senior Java Spark Engineer to join our dynamic team. In this role, you will be responsible for designing, developing, and implementing robust and scalable data processing solutions using Core...SeniorFull time$121.2k - $181.8k
...Category: Technology, Applications DevelopmentCompany: CitiSenior Java developer is responsible for participation in the establishment and... ...programming activities.Role Description:We are looking for a Senior Developer in application development area in Credit Risk Technology...SeniorFull time- # Senior Full Stack Java DeveloperApply**Job#: 3041455****Job Description:**Senior Full Stack Java Developer**Location:** Jersey City, New Jersey (Hybrid)Role OverviewThis is a hands-on application development role focused on delivering technical solutions across the full...SeniorHourly payContract work
- Job ID: 25671359Reference Number: 25-00613Title: Sr. Core Java Developer w/d Strong sparkPosted Date: 2025-06-09Company: HAN Staffing Job Title: Sr. Core Java Developer w/d Strong spark experience Location: Jersey City, NJ - Hybrid Role LONG TERM PROJECT Domain: Banking...Senior
- ...deliver top-notch technology products.As a Senior Lead Software Engineer at JPMorganChase... ...solutions or break down technical problems Develops secure high-quality production code, and... .... Must have development experience in Java, Spring / SpringBoot Framework and MicroservicesHands...SeniorImmediate start
- ...effective patterns across the team.Gathers, analyzes, synthesizes, and develops visualizations and reporting from large, diverse data sets in... ...stabilityProficient in coding in one or more languages - Java 11+ , Modern Java. Proficiency in Java 11 and Java 21 with modern...Senior
- ...deliver top-notch technology products.As a Senior Lead Software Engineer at JPMorgan Chase... ...team, you will be responsible for developing and maintaining the robust technology infrastructure... ...secure, high-quality production code in Java, and review and debug code written by...SeniorFor contractors
- As a Senior Lead Software Engineer at JPMorgan Chase, you are an integral part of an agile team that works to enhance, build, and deliver... ...in one or more programming languages, with strong expertise in: Java, Spring Boot, REST APIsMicroservices and distributed systems...Senior
- ...forward-thinking organization, apply now.We are currently seeking a Sr. Full Stack Java Developer (L1 Transfer) to join our team in Jersey City, New Jersey (US-NJ), United States (US).Senior Full Stack Java Developer (L1 Transfer)Day to Day job Duties:Develop, maintain,...SeniorWork at officeRemote workFlexible hours
$100 - $120 per hour
...definition. Communicating with the client daily. Requirements ~ At least 5+ years of hands-on experience in developing enterprise applications using Java. Must have 5 plus years of Spring/Spring boot development experience Experience in Camel. Threading/...SeniorHourly payFor contractorsWork at officeLocal areaFlexible hours2 days per week$54.62 per hour
job summary: 10+ years of experience in core Java/J2EE application development and object-oriented design Strong expertise in multithreading, collections framework, JDBC, and Java profiling tools. Proficiency with frameworks such as Spring and Spring Boot....SeniorHourly payContract workTemporary workWork experience placement- ...enhance, build, and deliver top-notch technology products.As a Senior Lead Software Engineer at JPMorganChase within the Consumer and... ...application development, testing, and operational stabilityAdvanced in Java programming languageProficiency in automation and continuous...SeniorFor contractors
$142.32k - $213.48k
...us. We’ll enable growth and progress together.The Role:This Senior Full-stack Java Engineer - Futures & Derivatives Clearing Technology role... ...engineering tools such as GitHub Copilot or Devin to improve developer productivity, code quality, and delivery velocity.Proven...SeniorFull timeWork at office- ...Job Description Job Description Description: Hybrid 4 days on-site in Jersey City, NJ Our client seeks a Senior Java Spring Boot Developer to build and integrate information flows across systems while enabling a consistent client experience through portals and...SeniorHourly payLocal area
$176.72k - $265.08k
...Development, ProfessionalCompany: CitiThe Senior Platform Engineering Lead is a pivotal... ...a full-stack architect, specializing in Java, Angular and relational databases, for building... ..., and industry standards to define and develop innovative technical solutions for high-...SeniorFull time- ...deliver top-notch technology products.As a Senior Lead Software Engineer at JPMorganChase... ...one or more programming language including Java and/or PythonStrong Big-Data and database... ...with little to no oversightExperience in developing, debugging, and maintaining code in a...SeniorFor contractorsWork at office
- ...employee).The Impact You Will Have in This RoleAs a Senior Software Engineer, you will play a key role in designing, developing, and modernizing applications that support DTCC... ..., and support scalable applications using Java, Spring Boot, REST APIs, and microservices. Build...SeniorRemote workFlexible hoursShift work
- ...Services.Job DescriptionPreferredAt least 4 years of experience in Java development as well as analysis, design and testing. Should have... ....SummaryType: Full-timeFunction: Information TechnologyExperience level: Mid-Senior LevelIndustry: Information Technology And ServicesPermanent employmentFull timeH1b
- ...training programs.Job DescriptionBase Implementation TechnologiesCore Java, JS, JSP, Servlet, JMS, MQ, Tiles, JQuery, Struts, Spring, I-... ...(Integrated Development Environment): Rational Application Developer (7.x version)Application Server : Websphere application server...
- Job ID: 25595834Reference Number: 25-00530Title: Core Java DeveloperLocation: Jersey City, NJ, NJPosted Date: 2025-05-28Contact: Rishabh... ...Strong expertise in Core java 17 / Advanced Java and OOP, API Developer. • Proficiency in data structures, multithreading, concurrency....
- Company DescriptionSystem Canada resources have a broad range of skills in different technologies. The large skill-set has been made possible by a conscious focus on strengthening our skills base. Every person selected for our team brings something new, something that adds...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Java Developer. Be the first to apply!
- lead full stack java developer Jersey City, NJ
- java web developer Jersey City, NJ
- senior java developer Jersey City, NJ
- remote junior java developer Jersey City, NJ
- full stack java developer Jersey City, NJ
- java spring developer Jersey City, NJ
- entry level java developer remote Jersey City, NJ
- java developer remote part time Jersey City, NJ
- java developer Jersey City, NJ
- java microservice developer Jersey City, NJ

