Location – Westlake, TX
The Team
The Health Care Technology Group supports the recordkeeping and administration of health benefits, including medical, dental, vision, and life insurance plans—for Fidelity’s corporate clients, their employees, and retirees. We build and maintain highly scalable, resilient, and secure systems that underpin business‑critical services.
HCG is seeking a Principal Full Stack Engineer who is passionate about modern engineering, cloud adoption (Azure), and AI‑first development practices. You will play a critical role in architecting world‑class solutions, accelerating the use of intelligent developer‑assist tools, and mentoring teams in modern full‑stack and cloud‑native engineering.
As a hands-on technical leader, you will collaborate closely with business partners and engineering teams across global locations, driving technical excellence and fostering innovation.
Key Responsibilities
Lead the design and development of modular, reusable Angular front‑end components, enabling cross‑product standardization and rapid UI delivery.
Architect, design, and build scalable, secure microservices using Java, Spring Boot, multithreading, SQL, and Azure, with strong focus on performance and maintainability.
Champion cloud‑native architectural patterns, including micro-frontends, shared libraries, event‑driven integrations, and Kubernetes‑based deployments (AKS).
Model and promote an AI‑first engineering culture, including the use of AI developer-assist tools, code-generation accelerators, and intelligent automation.
Collaborate with product, UX, and engineering peers to translate functional needs into robust technical solutions.
Drive adoption of modern CI/CD pipelines, DevOps best practices for reliable, automated delivery.
Monitor and track engineering metrics and reporting, including code quality, API performance, cloud efficiency, operational health, and delivery KPIs.
The Expertise You Have
10–15 years of hands-on full stack development experience delivering high-quality, scalable, enterprise-grade solutions.
Bachelor’s degree in Computer Science or related field, with strong grounding in systems design, algorithms, and engineering fundamentals.
Proven ability to lead architecture and design decisions, evaluate tradeoffs, and guide teams toward modern, maintainable solutions.
Deep expertise in:
Angular and modern front-end architectures
Cloud-native engineering with Azure, especially Azure Kubernetes Service (AKS)
Databases such as PostgreSQL and Aerospike
Demonstrated experience with AI technologies, developer‑assist tooling, and automation frameworks to improve speed, quality, and developer experience.
Strong proficiency in designing and developing RESTful APIs using Spring Boot and Tomcat.
Advanced command of Java 8 and enterprise frameworks, including:
Functional programming (lambdas, streams, functional interfaces)
Core Spring modules (IoC, MVC/REST, Batch)
Spring Boot ecosystem
OAuth2 and Spring Security
Hands-on experience building cloud-ready applications leveraging Azure services, Kubernetes, containerization, and modern build/deploy pipelines.
Experience establishing engineering best practices, architectural guidelines, and modernization strategies.
Prior success leading cross-team initiatives and mentoring engineers at multiple levels.
The Skills You Bring
You thrive in team-based, collaborative environments and enjoy solving complex, ambiguous problems.
You communicate clearly and effectively with engineers, product partners, and leadership.
You provide strong technical leadership and are energized by coaching and mentoring other developers.
You bring curiosity, initiative, and a strong sense of ownership to your work.
You actively contribute perspectives, challenge assumptions constructively, and help chart the technical direction for teams.
The Value You Deliver
Leading independent and collaborative research into new technologies, tools, and patterns, and partnering with Architecture to recommend enhancements for future releases.
Contributing to a culture of engineering excellence through active participation in peer reviews, design sessions, and hands-on coding.
Translating business requirements into high-quality design specifications, ensuring solutions meet standards for performance, security, usability, reliability, and scalability.
Acting as a senior technical influencer who drives cloud maturity, platform modernization, and adoption of intelligent tooling across teams.
Most roles at Fidelity are Hybrid, requiring associates to work onsite every other week (all business days, M-F) in a Fidelity office. This does not apply to Remote or fully Onsite roles. Some roles may have unique onsite requirements. Please consult with your recruiter for the specific expectations for this position.
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.
Fidelity Investments Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Fidelity Investments and has not been reviewed or approved by Fidelity Investments.
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Strong & Reliable Incentives — Bonuses, commissions, and profit-sharing are presented as generous and meaningful components of total compensation, with certain roles achieving high total earnings through multiple pay streams. Variable pay is consistently framed as a positive contributor beyond base salary.
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Retirement Support — A 401(k) match up to 7% alongside additional profit-sharing up to 10% materially enhances long-term compensation. These retirement features are highlighted as standout strengths of the overall package.
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Parental & Family Support — Generous paid parental leave (16 weeks maternity, 12 weeks parental), backup dependent care, and adoption assistance provide robust family support. Hybrid work and caregiving resources further ease family responsibilities.
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What We Do
At Fidelity, our goal is to make financial expertise broadly accessible and effective in helping people live the lives they want. We do this by focusing on a diverse set of customers: - from 23 million people investing their life savings, to 20,000 businesses managing their employee benefits to 10,000 advisors needing innovative technology to invest their clients’ money. We offer investment management, retirement planning, portfolio guidance, brokerage, and many other financial products. Privately held for nearly 70 years, we’ve always believed by providing investors with access to the information and expertise, we can help them achieve better results. That’s been our approach- innovative yet personal, compassionate yet responsible, grounded by a tireless work ethic—it is the heart of the Fidelity way.
