Front End Engineer

Rayyan Systems, Inc.

Contract type

Ongoing

Work mode

Remote · EMEA timezones

Experience

Mid-level · 2+ years

Job description

Frontend Software Engineer at Rayyan Systems, building and shipping frontend features for an AI-assisted research collaboration SaaS platform. The role focuses on end-to-end product experiences, including AI-powered interfaces, in collaboration with product, design, and backend teams.

At a glance

Work mode: Remote · EMEA timezones

What you'll do

Design, develop, and implement new and next-generation frontend features for the research collaboration platform
Build and maintain user interfaces for web-based SaaS applications, including onboarding flows, core features, settings, and admin interfaces
Implement responsive, accessible UI from designs and prototypes, solving complex problems with simple, maintainable solutions
Contribute to and maintain shared component libraries and design-system implementations that ensure consistency across the product
Develop data-driven interfaces including dashboards, tables, filters, and visualizations
Implement user experiences for AI-powered features, making sophisticated capabilities feel natural and accessible
Build intuitive interfaces for AI interactions, automated workflows, and intelligent recommendations
Balance automation with user control, ensuring transparency and clear feedback in AI-driven flows
Partner with product managers, designers, and backend engineers to define features and align on technical approach
Participate in code reviews, design critiques, and sprint planning within an Agile process
Write clean, tested code and help improve frontend quality, performance, and developer experience
Stay current with frontend best practices, SaaS UI patterns, and AI interface trends

What we're looking for

2+ years of demonstrated frontend engineering experience for web applications
Strong portfolio or GitHub profile demonstrating engineering process and problem-solving approach
Experience with consumer or SaaS products
Proficient understanding of HTML/CSS and ES6+
Proficient with responsive design and browser compatibility practices
Proficient understanding of ReactJS and its fundamentals (JSX, Virtual DOM, component lifecycle, etc.)
Experience with a JavaScript state management library (e.g. Redux or similar)
Good understanding of asynchronous request handling and RESTful services/APIs consumption
Familiarity with a JavaScript testing framework
Experience with web performance optimization
Proficient understanding of code versioning tools such as Git
Understanding and experience with the Agile process
Excellent communication skills and ability to articulate technical decisions
Self-directed and comfortable managing multiple projects
Eager to learn and grow in SaaS and AI-first product development
User-centered approach balanced with business pragmatism
Collaborative team player who thrives in cross-functional environments
Comfortable with ambiguity and fast-paced startup environments

Nice to have

Experience building AI/ML-powered product features
Familiarity with SaaS or enterprise applications, especially research or healthcare-adjacent domains
Understanding of accessibility standards (WCAG) and inclusive UI implementation
Experience with TypeScript
Experience with design tools (e.g. Figma) and close designer collaboration
Experience with monorepos, Nx, and CQRS architecture
Experience with E2E testing or analytics-informed product decisions

Save

About Rayyan Systems, Inc.

Rayyan is an AI SaaS startup developing a research collaboration platform with an AI-assisted workflow that helps accelerate searching, extracting, and synthesizing relevant information from research studies to inform evidence-based decision making, including evidence-based medicine.

Key facts

Cambridge, Massachusetts, United States
Job is remote
EMEA timezones required for team collaboration