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Principal Full Stack Engineer Jobs (NOW HIRING)

Principal Full Stack Engineer We are Lennar Lennar is one of the nation's leading homebuilders, dedicated to making an impact and creating an extraordinary experience for their Homeowners ...

Principal Full Stack Engineer We are Lennar Lennar is one of the nation's leading homebuilders, dedicated to making an impact and creating an extraordinary experience for their Homeowners ...

Principal Full Stack Engineer We are Lennar Lennar is one of the nation's leading homebuilders, dedicated to making an impact and creating an extraordinary experience for their Homeowners ...

We are seeking a Principal Full Stack Engineer to lead design and development of scalable applications with a primary focus on front-end engineering in React and Angular, while contributing across ...

We are seeking a Principal Full Stack Engineer to lead design and development of scalable applications with a primary focus on front-end engineering in React and Angular, while contributing across ...

We are seeking a Principal Full Stack Engineer to lead design and development of scalable applications with a primary focus on front-end engineering in React and Angular, while contributing across ...

This is a hands-on, coding-heavy Principal role for a builder, not an enterprise architect. You ... The environment is startup-minded with CI/CD and full end-to-end ownership. Developers own setup ...

Principal Full Stack Engineer

Novi, MI · On-site

$139K - $249K/yr

... engineer to join our Connected Delivery platform team. This platform is responsible for enabling ... You'll be responsible for building a full-stack application that is resilient, scalable, and highly ...

... engineer to join our Connected Delivery platform team. This platform is responsible for enabling ... You'll be responsible for building a full-stack application that is resilient, scalable, and highly ...

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Principal Full Stack Engineer information

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$44.5K

$134.8K

$190.5K

How much do principal full stack engineer jobs pay per year?

As of Jun 24, 2026, the average yearly pay for principal full stack engineer in the United States is $134,771.00, according to ZipRecruiter salary data. Most workers in this role earn between $111,000.00 and $158,000.00 per year, depending on experience, location, and employer.

How does a Principal Full Stack Engineer typically balance hands-on coding with leadership and mentoring responsibilities?

As a Principal Full Stack Engineer, you'll often split your time between developing complex features, setting technical direction, and guiding team members. While you remain actively involved in coding, a significant part of your role involves mentoring junior engineers, conducting code reviews, and collaborating closely with cross-functional teams such as product management and design. This balance allows you to influence both the technical quality and the professional growth of your team, while ensuring delivery of robust, scalable solutions.

What are the key skills and qualifications needed to thrive as a Principal Full Stack Engineer, and why are they important?

To thrive as a Principal Full Stack Engineer, you need deep expertise in both front-end and back-end development, a strong grasp of software architecture, and a proven track record leading complex projects—typically supported by a relevant degree or equivalent experience. Mastery of multiple programming languages (such as JavaScript/TypeScript, Python, or Java), cloud platforms, CI/CD pipelines, and frameworks like React or Node.js is usually required, along with familiarity with DevOps practices. Exceptional communication, mentorship, and problem-solving abilities help you guide teams and collaborate across departments. These skills are essential to design scalable systems, drive technical excellence, and ensure team alignment on strategic goals.

What is a Principal Full Stack Engineer?

A Principal Full Stack Engineer is a highly experienced software engineer who leads the design, development, and implementation of both front-end and back-end systems. They possess deep technical expertise across multiple programming languages, frameworks, and architectures, and often set the technical direction for projects or teams. In addition to coding, they mentor other engineers, make architectural decisions, and collaborate with stakeholders to ensure high-quality, scalable solutions. Their role typically includes significant responsibility for system performance, security, and maintainability.
More about Principal Full Stack Engineer jobs
What cities are hiring for Principal Full Stack Engineer jobs? Cities with the most Principal Full Stack Engineer job openings:
Infographic showing various Principal Full Stack Engineer job openings in the United States as of June 2026, with employment types broken down into 16% Full Time, 82% Part Time, 1% Temporary, and 1% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $134,771 per year, or $64.8 per hour.

Principal Full Stack Engineer

Fidelity Investments

Durham, NC • On-site

Full-time

Posted 10 days ago


Fidelity Investments rating

8.7

Company rating: 8.7 out of 10

Based on 264 frontline employees who took The Breakroom Quiz

14th of 139 rated financial services


Job description

Job Description:

Position Description:

Builds Java and Spring Boot-based middle tier applications, Kafka-based messaging, Yugabyte/Aerospike-centered database backends, and Angular-based front-end User Interfaces in an Amazon Web Services (AWS) cloud computing environment. Builds and deploys applications in a DevOps environment using Continuous Integration/Continuous Delivery (CI/CD) tools. Improves system performance utilizing performance tuning and executes production support tracing using Datadog. Prepares reports and correspondence for project specifications, activities, and status. Develops software system testing and validation procedures, programming, and documentation.

Primary Responsibilities:

  • Participates in architecture design teams.

  • Defines and implements application-level architecture.

  • Develops applications on complex projects, components, and subsystems for the division.

  • Recommends development testing tools and methodologies and reviews and validates test plans.

  • Responsible for QA readiness of software deliverables.

  • Develops comprehensive documentation for multiple applications or subsystems.

  • Establishes full project life cycle plans for complex projects across multiple platforms.

  • Responsible for meeting project goals on-time and on-budget.

  • Advises on risk assessment and risk management strategies for projects.

  • Plans and coordinates project schedules and assignments for multiple projects.

  • Acts as a primary liaison for business units to resolve various project/technology issues.

  • Provides technology solutions to daily issues and technical evaluation estimates on technology initiatives.

  • Advises senior management on technical strategy.

  • Mentors junior team members.

  • Performs independent and complex technical and functional analysis for multiple projects supporting several divisional initiatives.

  • Develops original and creative technical solutions to on-going development efforts.

Education and Experience:

Bachelor's degree in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and five (5) years of experience as a Principal Full Stack Engineer (or closely related occupation) performing application development and design using Java, Angular, and Yugabyte or Aerospike in a financial services domain for portfolio and fund management, securities trading, and financial decision making.

Or, alternatively, Master's degree (or foreign education equivalent) in Computer Science, Engineering, Information Technology, Information Systems, or a closely related field (or foreign education equivalent) and three (3) years of experience as a Principal Full Stack Engineer (or closely related occupation) performing application development and design using Java, Angular, and Yugabyte or Aerospike in a financial services domain for portfolio and fund management, securities trading, and financial decision making.

Skills and Knowledge:

Candidate must also possess:

  • Demonstrated Expertise ("DE") designing and developing Java REST-based services using Spring-based frameworks; building middle-tier applications using Java, Yugabyte, or Aerospike database; performing performance tuning of SQL queries and database deployment in a Cloud platform - AWS using Continuous Integration/Continuous Delivery (CI/CD) processes (Jenkins, Concourse, u-Deploy, and Github); and performing application performance tuning in a Cloud-based platform environment (AWS) using Integrated Development Environments (IDEs) -- IntelliJ or Eclipse.

  • DE executing project scope planning, systems analysis, and implementation using Java; creating functional specification and technical documents throughout the production life cycle in accordance with business standards using Confluence, implementing unit test cases using Acceptance Test Driven Development (ATDD) practices; automating functional tests using Cucumber and Jenkins; and developing data quality frameworks for loaders with reporting function using DataDog and Splunk.

  • DE developing and managing containerized applications using Java and Springboot; automating deployment using Jenkins; and scaling, and operations, orchestrating containers, ensuring high availability, and optimizing resource usage in cloud-native environment using Kubernetes Application Development (KAD) framework in EKS or AWS.

  • DE securely transmitting financial information using oAuth and JWT; utilizing standardized protocols, ensuring compliance; and integrating systems to facilitate accurate, efficient, and seamless data flow between financial institutions using FDX specifications.

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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.


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