Posted:
1/6/2026, 8:40:03 PM
Location(s):
Westlake, Texas, United States ⋅ Texas, United States
Experience Level(s):
Senior
Field(s):
DevOps & Infrastructure ⋅ Software Engineering
Workplace Type:
On-site
Note: Fidelity will not provide immigration sponsorship for this position.
Senior Software Engineer
The Role
The Mainframe Application Infrastructure (MAI) team is part of the Fidelity Enterprise Technology group. The team provides common solutions for mainframe brokerage applications as well as general mainframe engineering and consultation services. The team is responsible for the common infrastructure solutions to support mainframe and distributed applications that leverage our mainframe environments in a two site, active-active environment.
The Expertise You Have
Education: BS/BA Degree in computer science, information technology, data engineering or mathematics preferred.
Experience designing, building and deploying system changes or new system builds.
Experience with the following: JAVA, Docker, Web development, Windows servers, Linus servers, Python, Django, Bash Scripting, Ansible, Jenkins, MySQL, PostGres
Knowledge in C, C++, MariaDB is a plus
The Skills You Bring
Basic analytical and problem-solving skills
You bring your curiosity and excitement; desire to collaborate with team members
Enjoy learning about the business behind the applications we support
Excellent written and verbal communication skills
This role may be hired at a grade 4 or grade 5
The Value You Deliver
Collaborating across a wide range of teams within and outside our own organization
Being an excellent teammate developing/deploying software in a fast-paced and highly flexible environment
Continued focus on improving test coverage, software deployment velocity and production stability
The team’s primary focus areas are:
Production Stability
Application Scalability
Engineering Excellence
Mainframe-to-Cloud, Cloud-to-Mainframe Enablement
Distributed interfacing to mainframe applications
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.
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.
Website: https://www.fidelity.com/
Headquarter Location: Boston, Massachusetts, United States
Employee Count: 10001+
Year Founded: 1946
IPO Status: Private
Last Funding Type: Secondary Market
Industries: Asset Management ⋅ Finance ⋅ Financial Services ⋅ Retirement ⋅ Wealth Management