Principal Full Stack Engineer
Salem, NH
Category: Development
Industry: Financial Services
Standard Hours: Open
Reference ID: JN -082026-108285
Date Posted: 09/15/2026
Shortcut: http://careers.eliassen.com/ER5jMY
Description:
On-site Every Other Week onsite / 5 days in either Physical Location or Salem, NH
Our client seeks a Principal Full Stack Engineer to design and deliver modern web applications and the CI/CD automation that ships them. The role emphasizes React for the frontend and Python for the backend within a Microsoft-centric environment including Azure and Microsoft Fabric. You will collaborate across teams, decompose complex problems into scalable solutions, and guide developers through best practices for application architecture, DevOps, and version control. The position requires strong communication, teamwork, and the ability to mentor others.
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: $74.00 to $78.00/hr. w2
Responsibilities:
- Design, develop, and maintain full stack applications using React on the frontend and Python on the backend.
- Own and implement CI/CD pipelines, automation scripts, and tooling to streamline builds, releases, and workflows.
- Collaborate with cross-functional teams leveraging Azure, Microsoft Fabric, and related services.
- Communicate technical needs and capabilities to technical and non-technical partners.
- Lead by example, guide, and mentor junior developers.
- Decompose complex business problems into efficient and scalable technical solutions.
- Apply Agile methodologies and contribute to continuous improvement.
- Work across traditional codebases and platform-based solutions in the Microsoft ecosystem, including Power Platform.
Experience Requirements:
- 8+ years of full stack software engineering experience, preferably including financial services.
- Strong hands-on experience with React, JavaScript/TypeScript, HTML/CSS, and related frontend tooling.
- Strong hands-on experience with Python for backend services. .NET experience is a plus.
- Proficiency with CI/CD concepts and tools, including build pipelines, automation, and version control.
- Experience establishing and managing CI/CD pipelines for React and Python applications.
- Team collaboration experience delivering and supporting key applications and features.
- Knowledge of modern application architecture patterns and emerging technologies.
- Experience with Azure services, Microsoft Fabric, and the Microsoft ecosystem including PowerApps, Power BI, and Power Automate.
- Ability to create automation scripts to streamline deployments and workflows.
- Best practices in version control, release management, and DevOps in hybrid environments.
- Relational database skills and familiarity with SQL Server, Fabric, or Dataverse is a plus.
- AI integration exposure and use of generative AI development assistance tools is a plus.
- Strong communication, teamwork, polish, and presentation skills.
Education Requirements:
- BS/BA degree or equivalent experience.
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:
· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.
If you have any indication of fraudulent activity, please contact fraud@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contact fraud@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above