> Markdown version of [/jobs/ext/3845843-frontend-software-engineer](https://www.wearedevelopers.com/jobs/ext/3845843-frontend-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Frontend Software Engineer

- **Company:** LEON WILLIAM DE
- **Location:** New York, NY, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** JavaScript (Programming Language), Artificial Intelligence, Cascading Style Sheets (CSS), Software as a Service, Software Quality, Code Review, Databases, Continuous Integration, Python (Programming Language), Machine Learning, Open Source Technology, Next.js, Responsive Web Design, TypeScript, Web Application Frameworks, Web Performance Optimization, Web Usability, ReactJS, Large Language Models, Backend, Containerization, Material UI, Information Technology, Real Time Data, Front End Software Development, Restful APIs, Docker
- **Published:** October 20, 2026
- **Apply:** https://www.juju.com/job/23_1F9D4EA4CA796ACCAA983B324225B09F

## About the Role

SkillsB.S. in Computer Science, Engineering, or a related field, or equivalent practical experience.3-10 years of professional experience in frontend web development.Demonstrated hands-on experience building and maintaining large-scale, complex, and high-performance web applications (e.g., on "big" or "important" projects).Deep proficiency in JavaScript/TypeScript, React, and modern frontend frameworks (Next.js preferred).Strong experience with component libraries and design system implementation.Experience with state management solutions and React patterns.Proficiency with CSS frameworks and responsive design principles.Strong understanding of frontend testing and modern build tools.Experience with REST API integration and managing complex client-side state.Preferred SkillsProfessional experience from top-tier internet, SaaS, or product-driven tech companies.Experience with building open-source applications using Large Language Models (LLMs) or developing AI-powered products.Familiarity
with error monitoring and performance tracking tools.Deep knowledge of web performance optimization techniques and Core Web Vitals.Experience with advanced React patterns, custom hooks, and complex state management architectures.Interest in or basic understanding of AI/ML concepts and how they integrate with the frontend.Knowledge of containerization technologies (like Docker) and CI/CD pipelines.Familiarity with backend technologies (like Python) and database concepts.This Might Be For You If…You thrive on proactivity and have a "get things done" mindset.You are eager to keep up with the latest industry trends and committed to continuous learning and innovation.You possess a strong passion for crafting innovative AI solutions that deeply engage users and meet critical needs.AI/ML fascinates you, and while hands-on experience isn't mandatory, an eagerness to delve into these fields is essential.You excel in environments where projects and priorities may shift, showing your flexibility and
problem-solving prowess.You are an excellent communicator, capable of effectively collaborating with a dispersed team to drive product innovation.You are keen on working in a collaborative environment where your work directly influences the direction of the company.What We OfferCompetitive salary, including potential equities.Comprehensive benefits package including health, dental, and vision insurance.Opportunity to work with a talented and passionate team and gain multi-domain knowledge in one place.Flexible work environment with opportunities for professional growth and development.The chance to significantly impact the legal tech industry and help shape the future of AI in law.Why Join Anytime AI?If you're passionate about business development in the AI and legal tech space and eager to make a significant impact in a high-growth startup, we want to hear from you!

## Description

Your work will directly shape the product that our users interact with every day.ResponsibilitiesArchitect and implement scalable frontend applications with reusable component libraries to improve development speed and ensure UI consistency across our legal tech platform.Lead frontend optimization efforts focusing on Core Web Vitals, performance strategies, and perceived responsiveness to deliver a best-in-class user experience.Design and implement complex state management solutions to handle AI-powered workflows, user sessions, and real-time data synchronization.Establish and champion high standards for code quality, accessibility, testing, and maintainability through code reviews and best practices.Collaborate closely with product managers, designers, and backend engineers to translate complex legal workflows into intuitive, responsive UI components.Develop and enhance user-facing features for AI-powered workflows, ensuring seamless integration with backend APIs.RequirementsRequired