At a Glance
- Tasks: Create scalable web applications and manage customer integrations using modern frameworks.
- Company: Join a fast-growing AI e-commerce startup recognised by Forbes.
- Benefits: Competitive salary, remote work options, and opportunities for professional growth.
- Other info: Dynamic environment with excellent career advancement opportunities.
- Why this job: Make a real impact in e-commerce with cutting-edge technology and a passionate team.
- Qualifications: 7+ years in web development, strong TypeScript skills, and experience with CI/CD.
The predicted salary is between 48000 - 72000 £ per year.
Segmentify is an e-commerce personalisation platform helping online retailers to optimise their conversion rates by enabling them to deliver a unique shopping experience for each visitor. Segmentify tracks each individual visitor’s behaviour in real-time and offers smart product recommendations by utilising in-house developed AI technology. We have a dynamic and passionate compact team dedicated to creating a SaaS solution to boost eCommerce revenue. We are selected as one of the 25 Machine Learning Startups to Watch by Forbes magazine. We are one of the fastest growing start-ups in AI based e-commerce solutions with multiple investment rounds and have offices in 5 countries.
Role: You will collaborate closely with our product, design, and customer success teams, transforming requirements into scalable technical solutions and ensuring smooth, reliable deployments. Your output shall be used by hundreds of Segmentify customers to configure, run and personalise their campaigns on a daily basis.
Our Tech Stack includes TypeScript, Node.js, React/Vue/Svelte, Vite, esbuild, Babel, pnpm/npm, GitHub Actions, Jest/Vitest, Playwright/Cypress, NestJS/Express, REST/GraphQL.
Responsibilities:
- Develop scalable, maintainable web applications regardless of framework (React, Vue, Svelte, vanilla JS)
- Manage customer integrations, write integration documentation, and support setup phases
- Analyze and deliver customer revision and feature requests in a timely manner
- Configure and optimise build pipelines with Babel, Vite, and esbuild (HMR, tree-shaking, code-splitting, bundle size optimisation)
- Develop and publish npm packages (semantic versioning, changelogs, automated releases)
- Build Front-End CI/CD pipelines with GitHub Actions (lint/test/build/storybook/e2e, caching, multi-environment deployments)
- Design and implement Backend-for-Frontend (BFF) layers (preferably using Node.js/NestJS) with API orchestration, caching, rate limiting, and security best practices
- Write robust, type-safe code in TypeScript with well-structured domain models
- Develop SDKs and reusable libraries used by external developers/customers
- Ensure code quality through unit/integration testing, code reviews, and performance/security improvements
Requirements:
- BSc or MSc degree in Computer Science, Computer Engineering, Software Engineering or related disciplines from reputable universities
- 7+ years of professional web development experience
- Deep knowledge of Babel, Vite, and esbuild (plugins, loaders, build optimisation)
- Strong experience with npm package development and publishing (monorepo/workspace experience is a plus)
- Proven experience with GitHub Actions (or similar) for front-end CI/CD
- Hands-on BFF development experience (Node.js, preferably NestJS/Express)
- Advanced TypeScript knowledge (generics, utility types, strict mode, configuration optimisation)
- Experience developing SDKs or client libraries and releasing them to production
- Experience working on customer integrations and handling revision requests
- English level B2 or higher – must be comfortable with technical communication, documentation, and client interactions
Nice To Have:
- Monorepo setups (Nx, Turborepo), Storybook, Playwright/Cypress, Vitest/Jest
- Performance monitoring (Lighthouse, Web Vitals) and logging/observability
- Security best practices (CSP, SRI, OWASP, dependency auditing)
- CDN, edge functions, SSR/SSG, ISR architectures
- Micro-frontend or design-system experience
Senior Front-End Developer in London employer: Segmentify
Segmentify is an exceptional employer, offering a vibrant work culture in the heart of London where innovation thrives. As a rapidly growing start-up recognised by Forbes, we provide our employees with unique opportunities for professional growth and development within the dynamic field of AI-driven e-commerce solutions. Our compact team fosters collaboration and creativity, ensuring that every member's contributions are valued and impactful.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Front-End Developer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech industry, especially those who work at companies you're interested in. A friendly chat can lead to referrals, which can significantly boost your chances of landing that Senior Front-End Developer role.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best projects, especially those using TypeScript, React, or Node.js. Make sure to include links to live demos and GitHub repositories so potential employers can see your code in action.
✨Tip Number 3
Prepare for technical interviews by brushing up on your coding skills and understanding the latest trends in web development. Practice common algorithms and data structures, and be ready to discuss your experience with CI/CD pipelines and npm package development.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in joining our dynamic team at Segmentify.
We think you need these skills to ace Senior Front-End Developer in London
Some tips for your application 🫡
Tailor Your CV:Make sure your CV is tailored to the Senior Front-End Developer role. Highlight your experience with TypeScript, React, and any relevant frameworks. We want to see how your skills align with our tech stack!
Showcase Your Projects:Include links to your previous projects or GitHub repositories. This gives us a chance to see your coding style and the kind of work you've done. Don't be shy; we love seeing what you're capable of!
Craft a Compelling Cover Letter:Your cover letter should tell us why you’re excited about joining Segmentify. Share your passion for e-commerce and AI, and how you can contribute to our mission. Let your personality shine through!
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, it shows us you’re serious about joining our dynamic team!
How to prepare for a job interview at Segmentify
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in the technologies mentioned in the job description, like TypeScript, Node.js, and React/Vue/Svelte. Brush up on Babel, Vite, and esbuild, as you'll likely be asked about your experience with these tools during the interview.
✨Showcase Your Problem-Solving Skills
Prepare to discuss specific challenges you've faced in previous projects, especially related to customer integrations or feature requests. Use the STAR method (Situation, Task, Action, Result) to structure your answers and demonstrate how you tackled those issues effectively.
✨Demonstrate Your Collaboration Skills
Since the role involves working closely with product, design, and customer success teams, be ready to share examples of how you've successfully collaborated in the past. Highlight any experiences where you transformed requirements into technical solutions that benefited the team and the end-users.
✨Prepare Questions for Them
Interviews are a two-way street! Prepare thoughtful questions about their tech stack, team dynamics, or future projects. This shows your genuine interest in the role and helps you assess if the company is the right fit for you.
