Principal Software Engineer; Java, Oracle, Kafka

Principal Software Engineer (Java, Oracle, Kafka) Durham, NC Type:
Contract Category:
Development Industry: Financial Services Reference  
-Date Posted: 02/19/2026

Hybrid every other week onsite/5 days in Durham, NC. Our mission and promise to our clients is to craft and implement strategic plans that are the most financially advantageous to the firm and its stakeholders, and provide for the highest level of return and most controlled growth. The services we perform for our clients vary from case to case — there are no cookie cutter solutions.

Each engagement is distinct and requires careful analysis and close collaboration.

Join our innovative team as we develop and enhance a cutting‑edge financial purchasing and trading platform. This project involves building much of the system from the ground up, offering a unique opportunity to work on a high‑impact, net‑new trading application.

We are seeking a highly experienced Principal Java Developer with a strong focus on backend development. This role is ideal for someone passionate about leveraging cutting‑edge frameworks to design, develop, and maintain scalable software solutions. You will play a critical role in building and integrating real‑time data processing solutions using Java, Spring Boot, Oracle, and Kafka.

Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.

Rate: $65.00 to $70.00/hr. w2

• Design, develop, and maintain scalable multi‑tier web applications.
• Build and integrate real‑time data processing solutions with Kafka.
• Develop and expose RESTful APIs for seamless integration with frontend systems.
• Conduct code reviews and provide mentorship to junior engineers.
• Troubleshoot and resolve production issues efficiently.
• Implement security and data privacy best practices across all systems.
• Contribute to architectural decisions and assist in planning the technical roadmap.
• Optimize systems for speed, reliability, and scalability.
• Collaborate in an Agile environment and contribute to sprint planning and development.

• Expertise in Java 17+ and hands‑on experience with Spring Boot 3.x.
• Proficiency in designing and implementing microservices‑based architectures.

• Strong experience with Kafka for building event‑driven systems and handling high‑volume messaging queues.

• Proficient in Oracle, including PL/SQL stored procedures and SQL queries.

• Experience in the financial domain, specifically with trading applications, is strongly preferred.

• Deep understanding of RESTful API design and web services integration.
• Experience with CI/CD pipelines and tools (e.g., Jenkins).
• Ability to troubleshoot and optimize complex backend systems.
• Good to have experience working with AWS services (e.g., EC2, S3, Lambda, RDS, SQS).

• 10+ years of backend development experience delivering multi‑tier, internet‑facing applications with Java, Spring Boot, and Oracle in an Agile environment.
• Expertise in Java 17+ with hands‑on experience in Spring Boot 3.x.
• Proficiency in microservices architecture design and implementation.
• Strong experience with Kafka for event‑driven systems and real‑time data processing.
• Proficiency with Oracle, including PL/SQL stored procedures and SQL queries.
• Deep understanding of RESTful API design and web services integration.
• Experience building CI/CD pipelines and using tools such as Jenkins.
• Ability to troubleshoot and optimize complex, multithreaded backend systems, including streams, exception handling, data structures, and high‑volume messaging queues.
• Solid understanding of software engineering principles, design patterns, and best practices.
• AWS services experience (EC2, S3, Lambda, RDS, SQS) (preferred).
• Experience with Angular (preferred).
• Financial services experience on a trading application (preferred).

• Bachelor’s degree in computer science or engineering.

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