Frontend Engineer — San Francisco (Remote)

EnGenious, Inc; San Francisco (CA); On-site; USD 83,000 - 152,000; Full time

Job summary

Engenious is a technology company building next-generation AI products that transform how people work, learn, and create. We’re hiring a Frontend Engineer to join an embedded team delivering AI-driven frontend features for a client at global scale.

You’ll develop modern frontend applications, leverage AI-powered capabilities, and collaborate with cross-functional teams to deliver high-impact user experiences. This contract role emphasizes production-grade systems and scalable web architectures.

Qualifications

• 4+ years of frontend development experience.
• Proficiency with React.js, Next.js, Vite, and Nx.
• Strong Typescript skills.
• Solid fundamentals in algorithms and system design.
• Experience scaling production frontend systems.
• User-focused product mindset and UX attention.
• Experience in high-load systems serving many users.
• Designing WebSocket-based real-time frontend services.

Responsibilities

• Contribute to end-to-end frontend feature delivery with high UX quality.
• Build and integrate AI-powered features into product workflows.
• Work with LLM-based systems and AI-driven services.
• Improve performance, reliability, and system architecture.
• Collaborate with product, design, and AI teams.
• Mentor engineers and support team growth.
• Contribute to frontend standards and technical decisions.

Skills

React.js

Next.js

Vite

Nx

Typescript

Algorithms

Job description

Engenious is a technology company building next-generation AI products that transform how people work, learn, and create.

We partner with fast-growing startups and global companies to design and scale intelligent systems — from AI-powered applications to full-stack platforms used by millions.

Our team combines deep engineering expertise with product thinking to deliver solutions that are not just technically strong, but genuinely useful.

About the Role

We’re looking for a Frontend Engineer to join our team and work on AI-driven products.

In this role, you will be working as part of an Engenious team embedded with one of our clients, a leading technology company building products used at global scale. You’ll collaborate closely with both Engenious and client-side teams to deliver high-impact solutions.

You’ll help build systems that support students throughout their writing journey — from drafting and citations to AI transparency and plagiarism detection.

This role combines frontend development with practical application of modern AI technologies, and you’ll be expected to actively work with AI-powered features as part of your day-to-day development.

What You’ll Do

• Contribute to end-to-end feature delivery on the frontend, ensuring high-quality user experiences in production.
• Build and integrate AI-powered features into product workflows
• Work with LLM-based systems and AI-driven services
• Improve performance, reliability, and system architecture
• Collaborate with product, design, and AI teams (both Engenious and client-side)
• Contribute to technical decisions and engineering standards
• Mentor engineers and support team growth

What You’ll Work On

• AI-powered writing and productivity tools
• Systems for AI transparency and authorship clarity
• Citation and attribution workflows
• Plagiarism and AI-usage detection
• Integrations with educational platforms and tools

Requirements

• 4+ years of experience in frontend development
• Proficiency with modern web technologies, including React.js, Next.js, Vite, and Nx )
• Proficiency with Typescript is a must
• Strong fundamentals in algorithms and system design
• Experience building and scaling production systems
• Strong product mindset and attention to user experience
• Experience working within cross-team collaboration responsible for high-load production systems, including services serving 100,000+ users or operating at significant request-per-second scale.
• Hands-on experience designing and operating WebSocket-based real-time systems at scale

Nice to Have

• Backend development experience with Java would be a big plus

Contractor Phase

• Hourly rate
• Potential transition timeline
• Full-Time Benefits (Upon Conversion)
• Upon successful transition to a full-time role, the position may include:
• Paid time off and holidays
• Parental leave
• 401(k) / retirement options (if applicable)
• Additional stipends (wellness, home office, etc.)

Must be legally authorized to work in the United States at the time of hire; we are unable to provide visa sponsorship for this role

Please note: These benefits are available only upon full-time employment and are not applicable during the contractor phase.