Principal Software Engineer

Soteria Reinsurance Ltd.; Salt Lake City (UT); Hybrid; USD 140,000 - 210,000; Full time

Job summary

Fidelity Investments FCAT is seeking a Principal Software Engineer to help build a next-generation trading platform supporting equities, options, and cryptocurrencies. You will work in a fast-paced incubator environment, applying Golang, Node.js, or Java across full-stack systems.

You will join a dynamic team shaping cutting-edge financial technology, with strong emphasis on scalable design, collaboration, and continuous learning in an onsite setting.

Qualifications

• Bachelor level degree in Computer Science, Engineering or another technical field.
• Experience with Golang, Node.JS or Java.
• Experience with Agile methodologies and full-stack development.

Responsibilities

• Develop scalable, end-to-end software for trading platforms.
• Collaborate in cross-functional teams to move ideas from concept to production.
• Adopt and master diverse technologies to deliver high-quality products.

Skills

Golang

Node.js/Java

Agile methodologies

Full-stack development

Cloud computing

SQL (MySQL/PostgreSQL)

MongoDB

OO design (UML)

Problem-solving

Communication

Education

Bachelor degree in CS/Engineering or related field

Tools

Databases (MySQL, PostgreSQL, MongoDB)

Job description

## Principal Software EngineerApply: Salt Lake City, UT: Westlake, TX: Full time: Posted Today: End Date: October 9, 2026 (9 days left to apply): 2134889## ## Job Description:**Note: Fidelity will not provide immigration sponsorship for this position****Principal Software Engineer****The Role** Are you energized by rapid software development? Do you want to combine the fast pace of a start up with the financial backing of one of the most successful companies in the industry? Then be part of an exciting new incubator within Fidelity geared at rapidly move ideas from concepts to scale to help bring these game-changing ideas to market. If you are a highly skilled Software Engineer with a passion for creating products and services that make lives better, a career in FCAT (Fidelity Center for Applied Technology) may be right for you!**The Expertise and skills you bring** * Bachelor level degree in Computer Science, Engineering or another technical field* Experience working with a variety of programming languages, frameworks, operating systems, and platforms* Experience with Golang, Node.JS or Java* Experience with Agile Methodologies* Able to take a concept and turn it into a finished product* Ability to quickly learn and adopt diverse technologies* Ability to think strategically: creative thinker. Strong problem-solving skills.* Hands on work style: Dynamic can-do attitude, proactive and curious in nature.* Strong interpersonal and communication skills.* Knowledge in securities trading ( Equities, Options and Crypto currencies )* Strong software programming skills* Proven track record designing and building complex end-to-end systems (full stack developer)* Willingness to understand and pick up something new on a continual basis* Communication, teamwork and empathy skills to co-develop in multi-disciplined team* Experience with databases, Relational (MySQL, PostgreSQL) and Non-Relational (MongoDB)* Strong Object-Oriented skills and experience with UML* Knowledge of cloud computing environments, applications and tools* Experience and knowledge of Agile/iterative software delivery methodologies* Strong written and verbal communication skills* Ability to clearly convey information to a broad array of technical and non-technical audiences* Motivated, self-directed, results oriented**The Team**At FCAT, we are dedicated to using emerging technologies to create innovative products and services that improve people's financial lives. As the innovation engine for Fidelity Investments, we provide expertise on new tools and techniques to the rest of the firm, while also incubating potential new lines of business. One such project we are currently working on is a next-generation trading platform that supports equities, options, and cryptocurrencies. This platform leverages cutting-edge technologies to provide customers with a seamless and intuitive trading experience across multiple asset classes. If you are passionate about building innovative products and want to be part of a dynamic and collaborative team, we encourage you to apply for this exciting opportunity. Come join us at FCAT and help build the future of financial technology!Fidelity’s Onsite Working Model Fidelity is transitioning to a full-time onsite working model through a phased rollout across regions and roles. Currently, some roles and locations require 100% onsite presence, while others require less. Onsite expectations are likely to evolve as the rollout continues. This transition does not apply to fully remote roles.## ## Certifications:## ## Category:## Information TechnologyPlease 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.