Quantitative Trading Developer

At MFS, you will find a culture that supports you in doing what you do best. Our employees work together to reach better outcomes, favoring the strongest idea over the strongest individual. We put people first and demonstrate care and compassion for our community and each other. Because what we do matters – to us as valued professionals and to the millions of people and institutions who rely on us to help them build more secure and prosperous futures.

THE ROLE

TheQuantitative Trading Developer will work closely with Quantitative Trading Strategists to turn research, models, and analytics into reliable production systems. The role will focus on integrating new logic and datasets into the wider platform, building scalable services and pipelines, and improving the quality, resilience, and maintainability of the trading team’s technology.

WHAT YOU WILL DO

• Partner with Quantitative Trading Strategists to take research models and analytical prototypes into production.
• Design and implement the architecture needed to integrate new models, datasets, and analytics into the existing platform.
• Build and maintain scalable data pipelines, APIs, and services supporting trading analytics and automated trading workflows.
• Improve the resilience of production services, including REST APIs, dependency management, fallback logic, and failure handling.
• Develop data-quality controls, monitoring, and alerting across critical datasets and services.
• Identify opportunities to automate manual processes across trading analytics, research production, and execution workflows.
• Build appropriate testing frameworks and contribute to code review, deployment, and CI/CD practices.
• Improve the structure and maintainability of the existing codebase as the platform continues to scale.
• Work closely with traders, researchers, and technology partners to understand requirements and deliver practical solutions.

WHAT WE ARE LOOKING FOR

• Bachelor's degree in Computer Science, Engineering, or another technical discipline, or equivalent practical experience.
• 4+ years of experience developing production software, ideally in a data-intensive or quantitative environment.
• Strong Python software engineering skills, with experience building maintainable applications rather than solely research or analytical code.
• Good understanding of software design, testing, packaging, version control, and CI/CD.
• Experience building or supporting REST APIs and working with SQL, Unix/Linux, Git, and containerized environments such as Docker.
• Experience designing systems that process and manage large structured and unstructured datasets.
• KDB+/q, KX Insights, and Microsoft Azure experience is advantageous, although strong engineers with an ability to learn new technologies are encouraged to apply.
• Experience in financial markets, particularly equity or fixed income trading, market structure, or transaction cost analysis, is useful but not essential.
• Ability to work independently, identify problems, and propose pragmatic technical solutions.
• Strong communication and collaboration skills, particularly when working with technical stakeholders.
• Willingness to travel internationally on occasion.

Base Salary Range: $95,500 - $137,500

This position is eligible for competitive incentive bonus.

At MFS, we believe in fair and transparent compensation. For that reason, we’re including the salary range for this position. This range reflects our good-faith expectation for what we’ll pay depending on the candidate’s experience, training and education. In addition to the salary, we also offer significant and competitive incentive compensation based on both individual and company performance. Other components of our Total Rewards Package include:

• MFS contributes an amount equal to 15% of your base salary to your retirement account that is separate from the company -sponsored 401(k)

• Education Assistance: MFS contributes $100 monthly up to $10,000 lifetime maximum directly to loan provider

• Education Assistance: Tuition reimbursement up to $8,000 annually

• Education Assistance: Access to discounted tutors and college coaches

• Generous time off and fully paid leaves including 20-weeks for maternity, 12-weeks for parental and caregiver leaves

• Choice of medical and dental plans and an and an employer contribution into the Health Savings Account

• Tax deferred commuter benefits & flexible spending accounts (medical & dependent care)

• Wellness Programs: Robust wellness webinars, employee assistance program with a focus on mental health, subsidized fitness benefit via Wellhub (formerly Gympass), where you can workout at gyms, studios and boutique fitness locations near you, join virtual personal training sessions and access a wide variety of well-being apps

Our compensation philosophy is to pay competitively for talent while ensuring equity across employees performing comparable work. We are committed to transparency – if you have questions about how we arrived at this range or what additional benefits and bonus opportunities come with the role, we’ll be happy to discuss them

At MFS, we are dedicated to building a diverse, inclusive and authentic workplace. If you are excited about this role but your past experience doesn't align perfectly, we encourage you to apply - you might be just the right candidate for this role or others.

MFS is a hybrid work environment (remote/onsite) unless otherwise stated in the job posting.

If any applicant is unable to complete an application or respond to a job opening because of a disability, please contact MFS at 617-954-5000 or email talent_acquisition@mfs.com for assistance.

MFS is an Equal Opportunity Employer and it is our policy to not discriminate against any employee or applicant for employment because of race, color, religion, sex, national origin, age, marital status, sexual orientation, gender identity, genetic information, disability, veteran status, or any other status protected by federal, state or local laws. Employees and applicants of MFS will not be subject to harassment on the basis of their status. Additionally, retaliation, including intimidation, threats, or coercion, because an employee or applicant has objected to discrimination, engaged or may engage in filing a complaint, assisted in a review, investigation, or hearing or have otherwise sought to obtain their legal rights under any Federal, State, or local EEO law is prohibited. Please see the Know Your Rights: Workplace Discrimination is Illegal document, linked for your reference.

About Us

For almost a century, investors around the world have trusted MFS to achieve their investment goals. Since 1924, when our founders invented the mutual fund, collaboration, a long-term focus and skilled active research have fueled our success. As a leading global investment manager, we hire employees who share our values, align with investors who share our long-term philosophy, and always act in the best interest of our clients.

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