About Sirion
Sirion is the world's leading AInative Contract Lifecycle Management (CLM) platform, transforming the end-to-end contracting journey for global enterprises. With Agentic AI at the core, Sirion's extraction, conversational search, and AI-enhanced negotiation capabilities empower Fortune 500 businesses such as IBM, Coca-Cola, Citi, and GE. With 800+ employees worldwide, Sirion brings together AI engineers, product innovators, and industry experts to create secure, reliable, and future-ready contracting solutions. Recognized consistently by Gartner, IDC, and Spend Matters, Sirion sets the innovation benchmark for the CLM category.
Power the Future of AI & Why This Role Matters
Join us as a Senior UI Developer and help shape the user experience of Sirion's AI-powered SaaS platform. With over 4 years of hands-on front-end engineering experience, you will design intuitive, performant, and visually compelling interfaces used by global enterprises. Your work will directly influence how users interact with Sirion's intelligent workflows, insights, and automation capabilities making UI a critical pillar of the product experience.
How You'll Make An Impact
You will be responsible for delivering high-quality frontend components, collaborating closely with design, product, and backend teams to craft seamless and responsive user interfaces. You will ensure that Sirion's UI is elegant, scalable, and aligned with modern engineering standards.
- Build and enhance UI components using React and TypeScript.
- Use React Hooks, Context API, and Redux to implement scalable state management.
- Collaborate with designers to translate UX wireframes into pixel-perfect, responsive UI.
- Implement modern build systems using Webpack, Babel, or similar tooling.
- Write clean, reusable CSS using SASS/LESS or CSS-in-JS libraries like Styled Components.
- Develop robust unit and component tests using frameworks such as Jest or React Testing Library.
- Work with Git, CI/CD pipelines, and package managers (npm/Yarn) as part of modern development workflows.
- Ensure smooth integration between the frontend and backend by collaborating with API and engineering teams.
- Provide mentorship to junior developers and contribute to UI best practices.
- Continuously evaluate emerging frontend technologies to enhance performance and user experience.
Skills & Experience You Bring To The Table
Experience & Education
- Bachelor's/Master's degree in Computer Science, Engineering, or a related field.
- 4+ years of professional experience in frontend engineering with a strong focus on React.
Core Technical Expertise
- Advanced proficiency in React (including React 18+ features such as concurrent rendering, automatic batching, etc.), JavaScript (ES6+), and TypeScript.
- Hands-on experience with MUI (Material UI), including theme customization, component overrides, and design system implementation.
- Experience with modern UI patterns, component-based architecture, and state management libraries (e.g., Redux Toolkit or React Query).
- Strong understanding of CSS preprocessors such as SASS/LESS and responsive UI design best practices.
- Good to have: Experience working with Microsoft Word JavaScript APIs (Office.js), including taskpane add-ins and document manipulation.
- Strong knowledge of bundling tools such as Webpack, with the ability to configure loaders, plugins, optimizations, and custom build workflows.
Soft Skills
- Strong communication and problem-solving skills.
- Ability to collaborate effectively with cross-functional teams.
- Capability to review code, provide feedback, and guide junior engineers.
Commitment to Diversity and Inclusion
We are an equal opportunity employer committed to diversity and inclusion. We do not discriminate based on race, color, gender, religion, national origin, ancestry, age, disability, medical condition, genetic information, veteran status, marital status, pregnancy, gender identity, sexual orientation, or any other protected characteristic. We provide reasonable accommodations to employees and applicants as required by law.
Excited About This Opportunity
We'd love to hear from you! Please visit the Careers at Sirion page and follow the steps to submit your application.
