Principal SOFTWARE ENGINEER
The Role
Seeking a Mainframe Developer with superb technical skills to develop and maintain high volume production platforms in the Electronic Channel Applications domain of Institutional Technology.
Our mission is to provide best in class trading applications and support for Fidelity customers to better serve their brokerage needs. As part of this effort, you will engage collaboratively with systems and business partners to deliver high quality and innovative software solutions. You are energized and hardworking to learn and grow with us in our digital transformation to build our future cloud platform capabilities while delivering exception production stability.
Join our agile teams working in a fast-paced environment, closely partnering with product, architecture, and other engineering teams. We provide mentors to help navigate your role. We offer dedicated time each month to develop new skills and investigate new technologies.
The Team
We are an agile squad that is part of the FI Trading & Brokerage Services organization. Working together and with other squads, we deliver solutions to our customers by aligning the right skillsets to their most critical business priorities. The work is diverse, challenging, and provides for continuous learning and growth opportunities.
The Expertise and Skills You Bring
8+ years of software development experience in business critical, enterprise-wide applications
Mainframe development expertise in COBOL, JCL, CICS, DB2 & VSAM
Knowledge of MQ would be nice to have
Development experience in Java
Ability to perform detailed analysis and documentation for maintenance and improvement projects in the batch and online environments
Deploy and support software releases into production environments
Employ your data security skills to keep our customers information safe
You are detailed and thorough with unit, functional and regression testing
Proven Experience writing COBOL/Native stored procedures is a plus
Experience in Distributed Technologies (Nice to have/Willing to learn)
Confidence to think and act strategically, share innovative insights, and offer creative solutions to deliver exceptional user experiences
Proven strong interpersonal and organizational skills coupled with effective written and verbal communication skills
Embrace flexibility and shift focus to meet the most pressing customer/client needs
You bring a growth mentality to work every day as you continue to learn new technologies and skills and seek to share that knowledge with your squad members
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.
Skills Required
- 8+ years of software development experience in business critical, enterprise-wide applications
- Mainframe development expertise in COBOL, JCL, CICS, DB2 & VSAM
- Development experience in Java
- Ability to perform detailed analysis and documentation for maintenance and improvement projects in the batch and online environments
- Deploy and support software releases into production environments
- Employ data security skills to protect customer information
- Thorough unit, functional and regression testing
- Proven experience writing COBOL/Native stored procedures
- Knowledge of MQ
- Experience in Distributed Technologies (nice to have / willing to learn)
- Strong interpersonal and organizational skills with effective written and verbal communication
- Ability to embrace flexibility, shift focus to meet priorities, and a growth mentality
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.
Fidelity Investments Insights
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.






