Senior UI Engineer

Boosted.ai; Toronto; Hybrid; CAD 80,000 - 110,000; Full time

Benefits offered by this job

Flexible (Unlimited) Paid Time Off

Medical, Dental, and Vision benefits

Life Insurance and Disability Benefits

401(k) retirement savings plan

Paid Parental Leave

Free access to Boosted.ai Alfa

Job summary

A leading AI solutions provider in Toronto is seeking a Senior UI Developer to create high-quality, user-friendly interfaces for their platform. Collaborate closely with product managers and designers while setting best practices in frontend development. Candidates should have over 5 years of experience and expertise in JavaScript and React.

Qualifications

• 5+ years of professional experience building and shipping production-ready user interfaces.
• Proficient with modern frameworks (React preferred).
• Strong knowledge of HTML5, CSS3, and accessibility standards.

Responsibilities

• Build and maintain scalable, performant, and accessible user interfaces.
• Work closely with product and design teams to translate business requirements.
• Define and uphold best practices for UI architecture and testing.

Skills

JavaScript/TypeScript

React

HTML5

CSS3

GraphQL

Responsive design

Testing frameworks

Job description

Overview

Boosted.ai is building AI purpose-built for finance to help teams do more. Our mission is to optimize investing and boost productivity. We’re already trusted by leading enterprises and developers with over $5T under management with Boosted.ai. From the fastest growing hedge funds to global financial institutions, our tool lets our users stay ahead of the competition with AI that works for them. We believe that modern investment professionals will win the future of finance by using the best tools; a unique competitive edge powered by data, experimentation, and automation. Boosted.ai is the platform they use to cut through data overload, outpace competitors, and reclaim their time. We’re looking for sharp, low-ego people to help teams find their edge.

Position Description

Boosted.ai is seeking a Senior UI Developer to design and build high-quality, performant, and user-friendly interfaces for our platform. You will play a key role in translating complex workflows into elegant solutions, ensuring our clients experience a seamless and intuitive product. This role offers the opportunity to collaborate closely with product managers, designers, and backend engineers while also setting best practices and raising the standard of frontend development across the team.

What You\'ll Do

• Develop: Build and maintain scalable, performant, and accessible user interfaces using modern frontend frameworks.
• Collaborate: Work closely with product and design teams to translate business requirements into intuitive workflows and features.
• Establish: Define and uphold best practices for UI architecture, code quality, and testing.
• Integrate: Partner with backend engineers to define APIs and ensure seamless integration across the stack.
• Mentor: Guide team members through code reviews, knowledge sharing, and technical leadership.
• Innovate: Evaluate and introduce new tools, frameworks, and methodologies to keep the UI stack modern and efficient.

What You\'ll Bring

• 5+ years of professional experience building and shipping production-ready user interfaces.
• Expertise in JavaScript/TypeScript and proficiency with modern frameworks (React preferred, or similar).
• Strong knowledge of HTML5, CSS3, responsive design, and accessibility standards (WCAG/ARIA).
• Experience with GraphQL and modern data-fetching/query management libraries (e.g., React Query, Apollo Client).
• Familiarity with state management libraries and modern build tools.
• Experience with testing frameworks (e.g., Jest, Cypress, Playwright).
• Ability to translate complex product requirements into simple, effective user experiences.
• Proven collaboration skills, working cross-functionally with product and design teams.
• Experience mentoring teammates through code reviews, knowledge sharing, or technical leadership.
• A user-focused mindset with strong attention to detail and quality.

Our Values

• Collaborative – We value our team and know that success can only come from working together
• Client Centric – Our focus is always on our clients and consistently delivering them value
• Action Oriented – We remove barriers and we seek to improve in measurable ways
• Accountable – We are accountable for ourselves, and we hold each other accountable
• Respectful – We are proud of our work, we are respectful of each other’s opinions, and we keep a positive attitude

What we offer

• Flexible (Unlimited) Paid Time Off
• Medical, Dental, and Vision benefits for you and your family
• Life Insurance and Disability Benefits
• Access to a 401(k) retirement savings plan (for U.S. employees)
• Paid Parental Leave
• Free access to use Boosted.ai Alfa to make money
• We love the energy of in-person collaboration while also offering the flexibility to work from home when needed

These benefits are further detailed in Boosted.ai’s policies and are subject to change at any time, consistent with the terms of any applicable compensation or benefits plans. Eligible full-time employees can participate in Boosted.ai’s equity plans subject to the terms of the applicable plans and policies.

Be you, with us

We’re working to bring the transformative power of AI to every organization in the world. To do so, it is important to us that the diversity of our employees represents the diversity of our customers. We believe that our work and culture are better when we encourage, support, and respect different skills and experiences represented within our team. We encourage you to apply even if your experience doesn\'t precisely match the job description. We strive to evaluate all applicants consistently without regard to race, color, religion, gender, national origin, age, disability, veteran status, pregnancy, gender expression or identity, sexual orientation, citizenship, or any other legally protected class.