Principal Full Stack Engineer

Piper Companies is seeking a Principal Full Stack Engineer to join a leading organization in the financial services industry for a long-term contract role based near Smithfield, RI or Merrimack, NH
. The Principal Full Stack Engineer will serve as a hands-on technical leader, guiding full stack development across Java, Spring Boot, Node.js, and modern front-end frameworks while driving cloud-native and Dev Ops best practices.

• Lead design and development of complex, enterprise-scale applications using Java, Spring Boot, Node.js, Python, REST APIs, and SQL/Postgre
  
  SQL.
• Architect and implement scalable, cloud-ready solutions leveraging Docker, Kubernetes, Terraform, and AWS where appropriate.
• Drive CI/CD best practices using tools such as Jenkins, Git Hub, and automated deployment pipelines to improve reliability and speed to market.
• Collaborate closely with cross-functional teams (Product, Systems Analysts, QA/SDET, Dev Ops) in an Agile environment to deliver high-quality features.
• Provide technical mentorship, code reviews, and guidance on testing strategies, performance optimization, and secure coding standards.

• 6–10 years of software engineering experience with strong full stack skills in Java, Spring Boot, Node.js, REST APIs, and relational databases (Postgre
  
  SQL/SQL).
• Hands-on experience with modern front-end frameworks such as Angular and/or React in production environments.
• Solid exposure to cloud and containerization technologies, such as AWS, Docker, Kubernetes, and infrastructure-as-code (Terraform preferred).
• Proven experience working in Agile teams, using Git Hub for source control and pull requests, and building CI/CD pipelines with tools like Jenkins.
• Strong communication, leadership, and problem-solving skills; prior experience in the financial services industry is preferred but not required.

• Salary: $185,000-$205,000/year (USD)
• Opportunity for long-term engagement with a 17-month contract duration
• Comprehensive benefits, including Medical, Dental, Vision, and 401(k)

This job opens for applications on 1/23/2026. Applications for this job will be accepted for at least 30 days from the posting date.

.js, Python, REST APIs, Swagger, Postgre

SQL, SQL, Angular, React, Docker, Kubernetes, Terraform, AWS, CI/CD, Jenkins, Git Hub, test automation, Agile, microservices, cloud-native, financial services, technical leadership, architecture, system design, performance optimization, security, troubleshooting, mentoring, collaboration, stakeholder management, enterprise applications.

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