Senior Frontend Engineer

Silicatecarbon; Greater London; On-site; GBP 50,000 - 70,000; Full time

Job summary

A dynamic tech startup in Greater London is seeking a talented frontend developer to own significant parts of the frontend architecture and contribute to design decisions. You will work closely with the founders and a small, driven team to enhance performance, reliability, and code quality. Candidates should demonstrate strong frontend abilities and a passion for building complex user experiences. The role is in-person only, with daily lunch provided and opportunities to attend hackathons and events.

Benefits

Private healthcare

Lunch delivered daily

Travel to hackathons and events

Qualifications

• Proven frontend development skills, ideally with full-stack experience.
• Experience in building complex systems with real-time data sync.
• Ability to work effectively in a small, driven team environment.

Responsibilities

• Own significant parts of the frontend architecture.
• Shape design and product decisions alongside the founders.
• Ensure high performance, reliability, and code quality.
• Experiment with AI coding tools integration into frontend workflows.
• Craft a seamless user experience including UI interactions.

Skills

Frontend development

Architectural design

Communication

Tools

TypeScript

React

Rust

Job description

Who we are

Vibe Kanban is a YC-backed, London-based startup solving human–AI interaction for software developers.

As AI agents become more capable at writing code, developers are spending more of their time planning and reviewing what those agents produce. Vibe Kanban helps them do exactly that, seamlessly integrating with leading coding agents like Anthropic’s Claude Code and OpenAI’s Codex.

Thousands of engineers, from early-stage startups to large regulated enterprises, use Vibe Kanban every day.

We’re a small, talent-dense, and relentlessly driven team.

What you’ll do

• Own significant parts of the frontend, from architecture to polish
• Shape design and product decisions alongside the founders
• Push performance, reliability, and code quality
• Experiment to find out how AI coding tools integrate best with frontend workflows
• Build features that span local → cloud execution
• Craft the full user experience, including keyboard shortcuts, command bars, and UI interactions

Who we’re looking for

Ideally you’re full-stack, but stronger on frontend than we are.

You should have enough experience to hold opinions about architecture and design when building complex systems. Ours is complex because, for example:

• Agent chat threads, code, and other data must sync in real time
• Users live inside Vibe Kanban, it’s a power tool that must feel effortless
• It’s both information and function dense

You should be completely confident in your frontend ability. This is the chance to exercise your talent and perform your life’s work.

Our stack

• TypeScript + React
• Rust
• Open Source

Other details

• You must live within a 45-minute commute of Farringdon Station, or be willing to move after probation
• You should be as excited about working five days a week in person as we are
• You must be able to play darts
• We are not interviewing remote candidates
• Lunch Deliveroo'd every day, private healthcare, travel to hackathons and events