Front End Engineer

Ali Aydi

Cambridge (MA)

Hybrid

USD 110,000 - 170,000

Full time

1 hour ago

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Job summary

Rayyan Systems Inc. is seeking a Frontend Software Engineer to design, develop, and ship frontend features for its AI-first research collaboration platform.

You will build responsive web UIs, onboarding flows, dashboards, and data visualizations, collaborating with product managers, designers, and backend engineers. The role emphasizes fast, accessible interfaces, performance, and a thoughtful, user-centered approach.

Qualifications

2+ years of frontend engineering experience for web applications.
Proven portfolio or GitHub showing engineering process and problem solving.
Experience with consumer or SaaS products.

Responsibilities

Design, develop, and implement frontend features for the research collaboration platform.
Build and maintain web UIs for SaaS applications including onboarding and core features.
Implement responsive, accessible UI from designs and prototypes.
Develop data-driven interfaces such as dashboards and visualizations.

Skills

HTML/CSS

ReactJS

JSX/Virtual DOM

REST APIs

Web performance

Git

Agile methodology

Communication

Self-directed work

Tools

TypeScript

CQRS

Figma

Job description

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.

As a Frontend Software Engineer at Rayyan Systems Inc., you will design, develop, and implement new and next-generation features with a focus on frontend technologies. You'll ship end-to-end product experiences from onboarding and core workflows to complex data interactions and AI-powered features. Working within a collaborative environment, you'll partner with product managers, designers, and backend engineers to transform user needs into elegant, functional software.

This is a growth role where you'll expand your skills in SaaS product development, AI-first interfaces, and complex frontend architecture while contributing meaningfully from day one.

What We're Looking For

You're excited about building products that solve real problems in research and evidence-based decision making. You understand that great frontend engineering is about creating experiences that are fast, usable, and delightful. You're hungry to learn, especially about AI-powered interfaces and modern SaaS architecture. You're comfortable with ambiguity and eager to grow your skills while making an immediate impact.

Key Responsibilities

Product & Feature Development

Design, develop, and implement new and next-generation frontend features for our 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

AI-First Experience Engineering

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

Requirements

Required Qualifications

Experience

2+ years of demonstrated frontend engineering experience for web applications
Strong portfolio or GitHub profile demonstrating your engineering process and problem-solving approach
Experience with consumer or SaaS products

Skills

Proficient understanding of HTML/CSS and ES6+
Proficient understanding of ReactJS and its fundamentals (JSX, Virtual DOM, component lifecycle, etc.)
Good understanding of asynchronous request handling and RESTful services/APIs consumption
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

Mindset

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

Location

Job: Remote

Headquarters: Cambridge, Massachusetts, United States
Timezone: EMEA timezones required for team collaboration

Rayyan is an equal opportunity employer.

Originally posted on Himalayas