Mobile Full Stack Python Developer Jobs in Portsmouth, NH

Note: Fidelity will not provide immigration sponsorship for this position.
The Role
We are looking for a Principal React and Python Developer with CI/CD experience to join us!
As a Principal Full Stack Engineer, you will play a key role in designing and delivering modern web applications and the automation pipelines that ship them. You will be encouraged to gain understanding of all the components of our technology stack including Azure, databases, and related enterprise platforms and will work closely with the members of your team to deliver solutions. You will bridge traditional application development with modern platform-based solutions and take ownership of designing and implementing CI/CD processes . You will also be expected to provide guidance and mentoring to other Developers.
The Expertise and Skills You Bring
• Full stack software engineering 8 plus years of experience; with a focus in financial services applications is a plus
• BS/BA Degree or equivalent experience required
• Strong hands-on experience developing and maintaining web applications using React (frontend) and Python (backend)
• Demonstrated experience in communicating technical needs and capabilities to non-technical team members, product owners, and partners
• Shown leadership skills in driving the workforce and guiding/mentoring junior developers
• Experience collaborating in a team environment to develop, deploy, and support key applications and features
• A proven understanding of the Agile software development methodology
• Extensive experience decomposing sophisticated business problems into creative, efficient, and scalable solutions
• Relevant knowledge of modern application architecture patterns and emerging technologies
• Proficiency with server-side/mid-tier languages, frameworks, libraries, and related technologies: Python, .NET, .NET MVC and microsoft frameworks
• Client-side language, library, and framework proficiency: React a plus, JavaScript/TypeScript, Node, NPM, HTML/CSS, SPFx
• Solid understanding of CI/CD concepts and tools, including build pipelines, automation, and version control
• Demonstrated ability to establish and manage CI/CD pipelines for both traditional applications (React/Python)
• Experience collaborating with cross-functional teams working on Azure, Microsoft Fabric, and related cloud services
• Proven ability to create automation scripts and tooling to streamline deployments and workflows
• Experience defining best practices for version control, release management, and DevOps in hybrid environments
• Demonstrated experience communicating technical needs and capabilities to both technical and non-technical team members
• Comfort working across both traditional codebases and platform-based solutions
Your experience with the following will be a plus:
• AI integration experience
• Working knowledge of Azure
• Azure DevOps or GitHub Actions
• Exposure to data platforms or analytics tools, especially within Microsoft Fabric
• Familiarity with broader DevOps practices and deployment automation.
The Team
Our team designs, develops, implements, and supports a broad and diverse technology stack, spanning modern web applications, enterprise platforms, and cloud services. We are focused on delivering innovative solutions that meet customer needs, with a strong commitment to continuous improvement and innovation.
This group leverages a range of technologies to build powerful tools and deliver exceptional user experiences, primarily across the Microsoft ecosystem, including power platform Azure, Microsoft Fabric, and related platforms.
Certifications:
Category:
Information Technology
Please be advised that Fidelity's business is governed by the provisions of the Securities Exchange Act of 1934, the Investment Advisers Act of 1940, the Investment Company Act of 1940, ERISA, numerous state laws governing securities, investment and retirement-related financial activities and the rules and regulations of numerous self-regulatory organizations, including FINRA, among others. Those laws and regulations may restrict Fidelity from hiring and/or associating with individuals with certain Criminal Histories.