Fidelity Investments · 7 hours ago
Principal Software Engineer (Java, Trading, FIX Protocol)
Jersey City, NJ
Full-time
Hybrid
Lead/Staff
$107K/yr - $216K/yr
10+ years expFidelity Investments is a leading financial services company, and they are seeking a Principal Software Engineer to lead the design and development of next-generation trading systems. This role involves building scalable and resilient trading infrastructure while collaborating with teams and mentoring engineers.
Asset ManagementFinanceFinancial ServicesRetirementWealth Management
Responsibilities
Architect and develop distributed, event-driven trading systems optimized for low latency and high throughput
Design and implement asynchronous processing frameworks and resilient messaging services
Collaborate with internal and external teams to deliver robust, end-to-end trading workflows
Lead performance tuning and optimization efforts across the platform
Mentor junior engineers and promote engineering best practices
Support production and non-production environments, including participation in a weekly on-call rotation
Qualification
Required
Bachelor's degree in Computer Science, Engineering, Information Technology, or equivalent
10+ years of hands-on software design and development experience
Expertise in Java, C/C++, Python, and Linux
Deep experience with low latency messaging systems (e.g., 29West, Kafka)
Strong background in building scalable, distributed, asynchronous, and event-driven applications
Advanced knowledge of low latency design patterns and performance optimization techniques
Experience with Capital Markets or Brokerage systems, especially order management
Solid understanding of the FIX protocol and FIX engines
Experience with CI/CD tools such as GitHub, Maven, Jenkins, Artifactory, and uDeploy
Hands-on experience deploying applications to AWS or other cloud platforms
Ability to understand complex, end-to-end systems and identify performance, scalability, or resilience bottlenecks
Strong analytical, communication, and organizational skills
Ability to manage multiple tasks and thrive in a collaborative team environment
Self-driven innovation and comfort working with leadership
Willingness to support production systems and participate in on-call rotations, including occasional weekend support
Preferred
Proficiency in KDB+ or other time-series databases
Familiarity with AI developer assist tools (e.g. GitHub Copilot)
Benefits
Comprehensive health care coverage and emotional well-being support
Market-leading retirement
Generous paid time off and parental leave
Charitable giving employee match program
Educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career
Company
Fidelity Investments
Fidelity’s mission is to strengthen the financial well-being of our customers and deliver better outcomes for the clients and businesses we serve.
10001+ employees
H1B Sponsorship
Fidelity Investments has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (3)
2024 (8)
2023 (4)
2022 (6)
2021 (8)
2020 (30)
Funding
Current Stage
Late StageTotal Funding
$152.82MKey Investors
Apple
2020-12-28Secondary Market· $2.5M
2018-01-14Secondary Market· $1M
2017-05-03Secondary Market· $12.5M
Leadership Team
Abigail Johnson
Chairman & CEO
Jeanmarie Ward
Senior Vice President of Architecture
Recent News
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Company data provided by crunchbase