28Stone
Senior Java Developer
Skills
2 months ago
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Important information
Contract type:
Permanent
Location:
Jersey City, NJ, USA
Work mode:
Onsite
Published on:
7 August 2026
What they need
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 - http/https, 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.
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