Job Description

Salary: $126,000 - 212,000 per year Requirements:

• A Bachelor's degree in computer science or a related field is essential.
• A minimum of 10 years of experience in trading engineering is required.
• Familiarity with Capital markets or cryptocurrency with experience in Trading and Algo Trading is necessary.
• A strong foundation in designing and developing low latency trading systems is crucial.
• Proficient knowledge of WebSocket and FIX protocols is expected.
• Experience in building matching engines, OMS/EMS, or exchange-connectivity platforms is required.
• Previous usage of kernel bypass technologies (e.g., Solarflare OpenOnLoad) is a plus.
• Extensive experience with modern Java using zero GC patterns is vital.
• Highly skilled in ultra-low latency design patterns and optimizing trading systems is needed.
• Experience with low latency messaging systems such as Aeron, Solace, or 29West is essential.
• Proficient in SQL and knowledgeable about relational and time series databases is necessary.
• Experience in designing APIs, distributed systems, asynchronous workers, and resilient messaging services is required.
• Understanding of microservice architecture and cloud-based deployments is appreciated.
• Knowledge of sequencer architecture is beneficial.
• Ability to create dependable software capable of functioning in unreliable environments is important.
• Strong leadership and mentorship qualities are expected in small, agile, collaborative teams.
• Excellent analytical, communication, and organizational abilities are required.
• An interest in cryptocurrencies and a passion for staying current in the field is necessary.
• A drive and capability to deliver high-automation software is essential.
• Proficiency with version control systems and the ability to manage development for multiple parallel releases is required.
• A proactive spirit and readiness to contribute to organizational innovation is necessary.
• A learning-oriented mindset that demonstrates versatility beyond specialization is important.
• Capability to work effectively with both partners and project team members is expected.
• Familiarity with Agile methodologies or iterative development processes is appreciated.
• Knowledge of Acceptance test-driven development is a plus.
• A sense of ownership and accountability for deliverables is crucial.
• Ability to coach team members effectively is expected.
• Excellent collaboration and interpersonal skills are essential.
• A positive attitude, willingness to mentor, and be a team player are needed.
• A focus on productivity is critical.

• As a Principal Trading Engineer, I will be responsible for designing and implementing technology solutions for our Fidelity Digital Assets® business, particularly in trading and crypto trading. I will closely collaborate with our business partners to contribute to critical initiatives, demonstrating software engineering excellence through continuous integration and deployment practices. I will ensure that I stay updated with the latest IT framework and technologies to enhance our productivity while guiding junior team members on technology.
• My role will involve collaboration with various stakeholders and large cross-functional teams to deliver work effectively. I will focus on innovative solutions to boost productivity and set the technical direction for software developers by concluding designs with other tech leads and architects. This hands-on position requires me to write code for product features, providing a unique opportunity to build secure and scalable cloud-based services with modern development practices.

• Cloud
• Ethereum
• Support
• Java
• SQL
• API

More:

Fidelity Digital Assets®, a division of Fidelity Investments, is creating a robust enterprise-grade platform for managing, trading, and servicing digital assets like Bitcoin and Ethereum. We foster an entrepreneurial culture with a startup approach, positioning ourselves among the most innovative units within Fidelity Investments. Our diverse global team consists of hundreds of creative professionals who lead with agility to build solutions bridging traditional institutional investors and their exposure to digital assets.
The Fidelity Digital Assets Trading Team is responsible for platform services and APIs managing cryptocurrency trading. The platform encompasses a crossing engine and a smart router connecting client orders to diverse exchanges and liquidity providers, in addition to including multiple user interfaces and APIs to support platform functionality.

last updated 1 week of 2026

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