Principal Full Stack Engineer

Fidelity Investments; Merrimack (NH); On-site; USD 140,000 - 200,000; Full time

Job summary

Fidelity Investments in Merrimack, NH, seeks a senior Performance Engineer to join the Trade Management Engineering team. You will design and optimize software for low-latency trading platforms, collaborating with engineers across the organization to deliver scalable, reliable systems.

The ideal candidate has 8+ years in software performance, strong Java/Spring/Python skills, and hands-on benchmarking with tools like JMeter.

Qualifications

• Bachelor's degree in CS/engineering or equivalent.
• 8+ years of software design, development and performance testing.
• Strong hands-on experience in Software Performance Engineering.
• Proficiency in Java, Spring, Python and Linux.
• Experience with performance harnesses and benchmarking tools.

Responsibilities

• Develop and maintain a high-performance trading platform with low latency requirements.
• Collaborate across teams to design scalable, resilient services.
• Mentor junior engineers and promote engineering best practices.
• Lead performance evaluations and root-cause analysis in production.

Skills

Java

Spring

Python

Linux

Performance testing with JMeter

Mentor junior engineers

Trading systems exposure

FIX protocol knowledge

Education

Bachelor’s degree in Computer Science / Engineering / Information Technology or equivalent

Tools

JMeter

Job description

Job Description

Note: Fidelity will not provide immigration sponsorship for this position.

The Team

We at Fidelity Trade Management Engineering (TME) group are responsible for building and maintaining Fidelity’s brokerage platform order management and trade processing system. We are high functioning, fast paced technology group that work on cutting edge technologies to deliver low latency and high throughput trading solutions. We want to work with an engineer who is versatile, always eager to take on new problems and share solutions as we push the technology forward. Working independently as well as collaboratively, it is important for this person to have a positive approach to leadership, teamwork, and a drive to deliver groundbreaking solutions every day.

The Expertise You Have

• Have at least a bachelor’s degree in Computer Science, Engineering, Information Technology or equivalent, with a preference for advanced study
• Minimum 8 years of software design, development and performance testing experience
• Deep hands-on experience in Software Performance Engineering
• Demonstrated skill in Java, Spring, Python, Linux
• Hands on experience using tools like jMeter to build performance harness for software benchmarking
• Willingness to guide and mentor junior team members on solid engineering practices
• Previous exposure to trading systems or brokerage technology
• Knowledge of the FIX protocol is a plus

The Skills You Bring

• Ability to understand end to end platform and identify issues that can cause performance, scalability or resilience issues
• Effective analytical, communication, and organizational skills and a willingness to run with multiple tasks at a given time
• Thrive in a team environment, collaborating openly and actively contributing
• Able to innovate independently and work with leadership
• Familiarity with event driven and service-oriented processing is required
• Demonstrated work experience with cloud technologies. Industry certifications are welcome, but hands on experience and expertise are better. Walking the walk is the most important thing
• An eye for detail and a skill for root cause analysis in diagnosing and mitigating production problems as quickly as possible in a dynamic, high value environment

The Value you Deliver

• Work across organization and collaborate with teams to build highly scalable and resilient trading platform
• Deliver high quality, timely, cost effective and maintainable software solutions in an agile environment to meet functional and non-functional business requirements
• Actively contribute to the improvement of engineering practices such as code and design reviews, cloud strategy, and build and deployment pipelines
• Work with squad lead and team tech lead on a frequent, recurring basis to design and implement novel solutions to complicated problems
• Able to clearly present complex technical solutions, ideas, and plans to management, program teams, and less technical stakeholders as needed
• Develop an understanding of the business domain you are working on and contribute to technology discussions with business partners and other external parties
• Investigate creative practices and help decide how to apply them within the team.

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 Technology

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.