Senior Frontend Engineer

Incard

London, GB

On-siteCareer-pivot friendly

Who this role is best for

Best suited to senior frontend engineers with expertise in React and NextJS working in financial technology. A natural match if you have experience building user-facing applications at scale and can contribute to a flat organizational structure.

Best fit for

Senior engineers who prioritize long-term code maintainability and performance.
— “set up code bases with long-term maintainability in mind”
Frontend specialists with a strong design sensibility and technical depth.
— “A strong eye for user interface design”
Candidates comfortable in flat structures where initiative drives leadership.
— “Leadership is given to those who show initiative”

Things to consider

Expectation to contribute directly beyond technical execution.
— “All employees are expected to take a hands-on approach”
Must articulate technical concepts clearly to teammates.
— “strong communication skills and should be able to share knowledge”

How to stand out

Demonstrate cross-functional impact with backend or AI integrations.
— “Experience with backend engineering (Go is a plus)”
Highlight past projects where you scaled user-facing systems.
— “Track record of delivering user-facing software at scale”
Showcase applied LLM experience beyond basic API calls.
— “Hands-on experience with LLM APIs, embeddings, or RAG patterns”

Pace · Fast PacedCollaboration · HighAutonomy · MediumDecision Impact · TeamLevel · Senior

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

implementing complex frontend projects
delivering user-facing software at scale

Typical background

deep understanding of frontend technologies

Skills & requirements

Required

ReactTypeScriptTailwindNext.jsUser Interface DesignHTTP Protocol

Preferred

Backend Engineering (go)LLM ApisEmbeddingsRAG Patterns

Stack & domain

ReactTypeScriptTailwindNext.jsHttp ProtocolGoLlm ApisEmbeddingsRag PatternsCommunicationTeamworkProblem-solvingLeadershipFrontend EngineeringWeb DevelopmentApplication LogicBusiness BankingFinancial Tools

About the role

Original posting from Incard via Ashby

ABOUT INCARD
Incard’s mission is to build the financial operating system for entrepreneurs.
We are focused on creating a system where business banking, financial tools, and application logic are coordinated into a single control layer.
Through the app store, entrepreneurs and developers can build industry-specific functionality as their business evolves.
We are a lean, highly motivated team committed to engineering excellence. We operate within a flat organizational structure. All employees are expected to take a hands-on approach and contribute directly to the company's mission. Leadership is given to those who show initiative and consistently deliver excellence. All engineers are expected to have strong communication skills and should be able to share knowledge with their teammates clearly and concisely.
ABOUT THE ROLE
As an ideal candidate, you possess a deep understanding of implementing complex frontend projects. You know how to set up code bases with long-term maintainability in mind. When developing user interfaces, you focus on both performance and usability. Ideally, you also have the following:
Expert knowledge React, TypeScript, and Tailwind
Expert knowledge of NextJS
A strong eye for user interface design
Good understanding of the HTTP protocol
Additionally, any of the following points will help a candidate stand out:
Experience with backend engineering (Go is a plus)
Track record of delivering user-facing software at scale
Hands-on experience with LLM APIs, embeddings, or RAG patterns
BENEFITS:
Competitive cash-based compensation
Incard stock options
25 days of paid time off per year, plus bank holidays and your birthday off
Global health insurance and unlimited paid sick leave

Source: Incard careers (Ashby)