Senior JavaScript/TypeScript Developer building high-performance document editor for legal tech scale-up. Collaborating on architectural decisions and enhancing editor features.
Responsibilities
Contribute to and Evolve the Editor
Collaborate on development and architectural decisions for our in-browser document editor
Build high-performance, low-latency features that handle complex data models and dynamic content
Ensure compatibility across browsers and responsiveness across devices
Write and Maintain Robust Code
Deliver clean, maintainable, and testable TypeScript/JavaScript code
Work with modern frameworks and tools to continuously improve performance and stability
Build for resilience, scale, and security in a B2B SaaS environment
Collaborate and Communicate
Collaborate with product managers, designers, and other developers to deliver high-impact features
Provide thoughtful code reviews and technical guidance to team members
Contribute to discussions on UI/UX, performance, accessibility, and system design
Improve Developer Experience
Identify and implement improvements to our internal development tools and pipelines
Support documentation and onboarding for fellow engineers
Share knowledge through internal demos, code walkthroughs, and paired programming
Drive Technical Excellence
Stay up to date with latest best practices and advancements in frontend engineering
Champion scalable design patterns, testing strategies, and CI/CD workflows
Lead by example, setting a high technical bar for others to follow
Requirements
Strong proficiency in JavaScript and TypeScript (minimum 5 years’ experience)
Deep experience working with complex web applications, ideally involving content editors or design tools
Strong grasp of browser internals, rendering performance, and memory management
Prior experience working with collaborative or real-time features (e.g., OT, CRDTs, WebSockets)
Solid understanding of testing strategies and performance monitoring
Experience with Slate.js, ProseMirror, or other rich-text editors (desirable)
Familiarity with legal tech, document automation, or similar B2B SaaS platforms (desirable)
Prior involvement in scaling frontend architecture in a growing startup or scale-up (desirable)
Exposure to ClojureScript or other functional programming paradigms (desirable)
Benefits
Remote First hybrid working - Choose your days in office based on operational requirements
Annual learning and development budget
Home office IT allowance
Right to request flexible working arrangements
A collaborative, transparent company culture with real opportunities for growth
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