Front-End Engineering Lead (London) London

Mesh-AI Limited; Greater London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A pioneering AI finance firm in Greater London is seeking a talented Frontend Engineering Lead to manage front-end engineers and shape the future of AI design. The ideal candidate will have over 8 years of experience in front-end engineering, including 2+ years in a leadership role. Proficiency in React, Next.js, and TypeScript is essential. You will foster team growth and ensure high-quality application development in a fast-paced startup environment, collaborating closely with product and design teams.

Qualifications

• 8+ years of professional front-end engineering experience, including 2+ years in a leadership role.
• Expertise in React, Next.js, TypeScript, and modern front-end tooling.
• Experience managing and mentoring engineering teams.

Responsibilities

• Lead and manage a team of front-end engineers.
• Set coding standards and architectural patterns.
• Collaborate with cross-functional teams and resolve blockers.

Skills

React

Next.js

TypeScript

State management

Performance optimization

Component-driven development

Collaboration skills

Tools

Data visualization frameworks

CI/CD pipelines

Testing frameworks

Performance monitoring tools

Job description

We’re a Series A stage firm, redefining the future of finance with our AI-native research and task automation platform, backed by leading, global venture investors. Founded by a team of experts from Google DeepMind, Meta AI, and J.P. Morgan, Finster AI provides cutting‑edge solutions to help finance professionals unlock unique insights with greater efficiency and accuracy. We are seeking a talented and passionate Frontend Engineering Lead to join our growing team and help shape the future of AI design principles as we continue to push the boundaries of AI in Finance.

The Role

• Lead and manage a team of front‑end engineers, fostering growth and career development.
• Provide constructive feedback, conduct regular 1:1s, and create clear development paths for team members.
• Handle team dynamics, resolve blockers, and ensure engineers are empowered to do their best work.
• Collaborate with product, design, engineering and leadership teams to define technical priorities and align on roadmap execution.
• Set coding standards, architectural patterns, and development processes to ensure scalability and maintainability.

Technical Execution

• Build, optimize, and maintain responsive, accessible, and performant front‑end applications.
• Define and implement design systems and component libraries to accelerate development and maintain UI consistency.
• Work with backend engineers to design efficient APIs and integrations.
• Stay up-to-date on emerging front‑end technologies and proactively bring innovative solutions to the team.
• Contribute to shaping engineering culture and best practices in a fast‑growing startup environment.
• Partner with designers to turn prototypes and wireframes into seamless user experiences.
• Champion quality through testing, performance optimization, and strong security practices.

Required Skills & Experience

• 8+ years of professional front‑end engineering experience, with at least 2+ years in a technical leadership role with people management.
• Expertise with React, Next.js, TypeScript, and modern front‑end tooling including familiarity with server‑side best practices.
• Deep understanding of state management, performance optimization, and component‑driven development.
• Experience leading technical discussions, setting architecture direction, and guiding engineers.
• Demonstrated experience managing, mentoring, and growing engineering teams.
• Strong collaboration skills and the ability to work effectively across cross‑functional teams.
• Startup‑friendly mindset: comfortable with ambiguity, rapid iteration, and wearing multiple hats.
• Excellent communication skills and an eye for detail in documentation and design.

Nice‑to‑Have

• Previous experience scaling engineering teams in a high‑growth environment.
• Experience with data visualization frameworks (e.g., AG Grid, D3).
• Exposure to CI/CD pipelines, testing frameworks, and performance monitoring tools.

You Will Thrive Here if You

• Are comfortable being challenged and feel at home with ambiguity and rapid change.
• Enjoy working in an entrepreneurial, fast‑paced environment where priorities can shift and new opportunities emerge quickly.
• Highly collaborative and are an effective communicator.

Why Finster

Impact: As an early‑stage company, you’ll be part of the team shaping the commercial and operational foundation of one of the most exciting AI platforms in financial services.

• Exposure: You’ll work directly with senior leadership and clients at Tier 1 investment banks and asset managers.
• Growth: Be part of a company scaling rapidly after Series A, with opportunities to grow the scope and responsibility of your role.
• Exceptional team: We are a world class team that combines expertise from AI labs (Google DeepMind, Meta AI) with leading financial institutions (Morgan Stanley, J.P. Morgan, Rothschild & Co, Aviva Investors, Visible Alpha, Revolut).

Culture: We deeply value collaboration, intellectual curiosity, disagreement and high performance.

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