Principal Trading Engineer (Java, Algo, SOR)

Company: Fidelity Investments
Location: Ridgefield
Posted on: February 3, 2026

Job Description:

Job Description Job Description: Principal Trading Engineer (Java, Algo, SOR) We are currently sourcing for a Principal Trading Engineer (Java, Algo, SOR) for Crypto Trading to work in Jersey City, NJ. The Role The Principal Trading Engineer (Java, Algo, SOR) will be working in development and delivery of high quality, timely and maintainable software solutions in an Agile environment which meet functional and non-functional business requirements. This role will involve partner & stakeholder engagement, design and release support. In this role, you will be an integral part of the Trading Team where you’ll get the opportunity to develop your skills, collaborate across Fidelity teams and continue to learn in a fun, collaborative, iterative, and rapidly changing environment. This is a hands-on role where you will write code for product features. It is a great opportunity to build secure, scalable, resilient cloud-based services utilizing modern software development practices. This is a hands-on, individual contributor role where you will be responsible for: - Designing and implementing technology solutions for the Fidelity Digital Assets® business - High Performance algorithms for trading / crypto trading - Working closely with our business partners to contribute to business-critical initiatives - Demonstrate software engineering excellence through continuous integration, continuous deployment - Keeps current with IT blueprint, frameworks and technologies that would benefit us and improve our productivity; guides junior team members on technology - Collaborate with multiple stakeholders/large cross functional teams as part of work delivery - Follows practices and contribute towards innovative solutions to increase productivity - This is a hands-on role where you will write code for product features - Set technical direction for software developers by concluding design with other tech leads and architecture The Expertise and Skills You Bring - Bachelor's degree in computer science or related field required - 10 years of trading engineering experience - Experience in Capital markets or cryptocurrency specifically with exposure to Trading, Algo Trading - Strong background in designing and developing low latency trading systems - Knowledge of WebSocket and FIX protocols - Experience in building matching engine, OMS/EMS or exchange-connectivity platform - Experience using kernel bypass e.g. Solarflare OpenOnLoad - Extensive experience with modern Java using zero GC pattern - Highly proficient in ultra-low latency design patterns and optimizing trading systems - Hands on experience with low latency messaging products, such as Aeron, Solace or 29West - Proficient in SQL and a working knowledge of relational and time series databases - Experience with designing APIs, distributed systems, asynchronous workers and resilient messaging services - An understanding of microservice architecture and cloud-based deployments - An understanding of sequencer architecture - Ability to build reliable software that can withstand unreliable environments - Can provide leadership and mentorship across small, agile teams in a very collaborative environment where your ideas are welcome - Solid analytical, communication, and organizational skills - An interest in and experience with cryptocurrencies and a passion for keeping up to date in the space - Have the drive and ability to deliver software with a high degree of automation - Proficient with version control systems and can handle development for multiple releases in parallel - Have the spirit and willingness to contribute to org level innovation - Have a learning mindset and can demonstrate versatility in addition to your specialization - Should have the ability to work effectively with both partners and project team members - Have knowledge of Agile methodologies or iterative development processes - Have knowledge of Acceptance test-driven development a plus. - Have ability to take ownership - Coach team members and take accountability for the deliverables - Excellent collaboration and Interpersonal skills - Great attitude, being a mentor, team player and effective contributor - You have a focus on productivity The Team Fidelity Digital Assets®, a Fidelity Investments Company, is developing a full-service enterprise-grade platform for storing, trading and servicing digital assets, such as Bitcoin and Ethereum. Fidelity Digital Assets® adopts an entrepreneurial culture and startup approach while serving as one of the most innovative business units within Fidelity Investments. Our global, diverse team of hundreds of forward-thinking professionals lead with agility and creativity to build solutions that bridge the gap between traditional institutional investors and their exposure to digital assets. The firm’s tenure and experience across multiple business lines present our employees with unprecedented access to knowledge, technology, and resources that help our team reshape the future of finance. The Fidelity Digital Asset Trading Team is responsible for platform services and APIs that manage trading of cryptocurrency. Platform contains a crossing engine and a smart router that would connect and send client orders to other exchanges and liquidity providers. In addition to aggregating market data and routing orders the platform also includes multiple internal/external facing user interfaces and API and services to support the platform. cryptojobs The base salary range for this position is $126,000-255,000 USD per year. Placement in the range will vary based on job responsibilities and scope, geographic location, candidate’s relevant experience, and other factors. Base salary is only part of the total compensation package. Depending on the position and eligibility requirements, the offer package may also include bonus or other variable compensation. We offer a wide range of benefits to meet your evolving needs and help you live your best life at work and at home. These benefits include comprehensive health care coverage and emotional well-being support, market-leading retirement, generous paid time off and parental leave, charitable giving employee match program, and educational assistance including student loan repayment, tuition reimbursement, and learning resources to develop your career. Note, the application window closes when the position is filled or unposted. 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. 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. Certifications:Category:Information Technology

Keywords: Fidelity Investments, Hoboken , Principal Trading Engineer (Java, Algo, SOR), IT / Software / Systems , Ridgefield, New Jersey