Design Engineer
IMMIX provides programmable digital-asset infrastructure through unified APIs, SDKs, and a user interface. It supports market data, trading and execution, treasury workflows, stablecoin transfers, yield workflows, and analytics for institutional and product teams.
Maintainer signals as of 8/14/2026
Funding history
Investors
About IMMIX
IMMIX operates a programmable infrastructure platform for tokenized asset markets. Its UI, SDKs, and REST, WebSocket, and FIX APIs provide normalized market data, execution and smart routing, transfers, treasury allocation, yield workflows, and real-time analytics. The platform serves analysts, traders, quant desks, market makers, asset managers, banks, fintechs, payment operators, and teams building tokenized-asset products.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will focus on building and refining user interfaces that prioritise usability and performance, especially when handling real-time data. You will develop and maintain functional, reusable UI components, patterns, and a design system. You will optimise front-end performance, collaborate with colleagues to align design and technical requirements, and take ownership of features from concept through deployment.
Requirements
- Strong UI and product design sense
- Ability to create accessible, scalable designs with close attention to detail
- Expertise in React
- Experience with Next.js
- Proficiency in CSS, HTML, and TypeScript
- Understanding of front-end performance debugging and optimisation
- Experience working with real-time data and complex UI requirements
- Excellent communication skills
- Proactive in improving features and processes
- GraphQL (optional)
Responsibilities
- Build and refine user interfaces that prioritise usability and performance
- Develop and maintain functional, reusable UI components, patterns, and design systems
- Ensure optimal front-end performance
- Collaborate with team members to align design and technical requirements
- Own feature development from concept through to deployment
Benefits
- Competitive salary with equity in the company
- Healthcare
- Pension
- Enhanced holiday packages
- Hybrid working pattern available
- Regular off-sites, team lunches and drinks