The Principal Java Developer position in Burlington, Massachusetts presents a strong career opportunity for senior software engineers with deep expertise in enterprise Java systems. This role focuses on the development of high-performance trading and financial platforms, making it a compelling option for experienced Java professionals who want to work on technically demanding, large-scale systems. Offered as a 12+ month contract-to-hire engagement, the role provides long-term stability, technical ownership, and clear growth potential within the U.S. fintech sector.
The position supports H-1B and other eligible U.S. work authorizations, making it accessible to qualified international candidates seeking advanced Java developer jobs in the United States. Operating within an agile and fast-moving engineering environment, the successful candidate will contribute directly to backend architecture, scalability, and system reliability for mission-critical financial applications.
About the Role
As a Principal Java Developer, you will take a hands-on role in designing and developing middle-tier and server-side components for a sophisticated trading platform. In addition to core development work, you will help guide architectural decisions, improve coding standards, and influence technical direction across the engineering team. The role is positioned at senior individual contributor level, ideal for engineers who enjoy deep technical problem-solving without moving into people management.
This opportunity is particularly well suited to professionals with extensive experience in Java, enterprise systems, and financial or fintech environments, who thrive on performance optimization and building resilient, large-scale software solutions.
About the Hiring Company
SPK Consultants Inc. is a U.S.-based technology consulting and staffing firm that partners directly with enterprise clients to deliver highly skilled engineering talent. The company specializes in long-term contracts, contract-to-hire roles, and senior-level technical placements, particularly within financial services and complex enterprise software domains.
SPK Consultants collaborates with organizations that prioritize engineering excellence, innovation, and scalable system design, giving candidates access to impactful projects and career-advancing opportunities.
Key Responsibilities
- Develop and maintain server-side and middle-tier Java components for enterprise trading systems
- Contribute to system architecture, technical standards, and design best practices
- Act as a senior individual contributor within an agile engineering team
- Build and optimize multi-tier, multi-threaded Java applications for performance and scalability
- Work closely with cross-functional teams to deliver new features and platform enhancements
- Support the release and maintenance of commercial financial software used by market-facing clients
Requirements
- Bachelor’s or Master’s degree in Computer Science or a related technical discipline
- 7–10+ years of professional software development experience with strong Core Java expertise
- Hands-on experience with SQL and relational databases such as Oracle or SQL Server
- Proven background in object-oriented design and multi-tier application development
- Experience with web services, XML/XSL, and enterprise application servers (Tomcat, JBoss, WebLogic, or WebSphere)
- Prior experience in financial services or fintech environments is highly desirable
- Strong communication skills and ability to work independently in fast-paced settings
Conclusion
The Principal Java Developer role in Burlington, Massachusetts offers a rare chance for senior software engineers to work on high-performance financial systems within a fast-paced fintech environment. With a 12+ month contract-to-hire structure, support for H-1B and other U.S. work authorizations, and opportunities for technical leadership, this position is ideal for Java professionals seeking long-term growth and hands-on impact.
For those searching for senior Java developer jobs in the USA in 2025, SPK Consultants Inc. provides access to challenging, career-defining projects and the chance to shape enterprise-grade trading platforms while advancing your expertise in one of the most competitive sectors in technology.



