At a Glance
- Tasks: Create stunning user interfaces using React and modern frontend tech.
- Company: Join Monterosa, a forward-thinking company focused on innovation.
- Benefits: Enjoy competitive pay, flexible work options, and growth opportunities.
- Other info: Collaborative environment with a focus on continuous learning and mentorship.
- Why this job: Make a real impact by crafting high-performance web applications.
- Qualifications: Expertise in React, TypeScript, and a passion for frontend development.
The predicted salary is between 55000 - 70000 € per year.
Requirements
- You are a seasoned Frontend Developer with expertise in React.js, TypeScript, and modern frontend technologies.
- You have a strong eye for detail and a passion for building high-performance, scalable, and maintainable web applications.
- You have experience with testing frameworks like Jest, React Testing Library, or Cypress, ensuring code quality and stability.
- Knowledge of CI/CD pipelines, Git workflows, and containerisation with Docker is a plus.
- You enjoy collaborating with designers, backend developers, and stakeholders to bring seamless digital experiences to life.
- You are passionate about frontend development and staying up to date with the latest technologies.
- Strong understanding of React fundamentals, including JSX, Virtual DOM, and component-based architecture.
- Experience with responsive design techniques and tools to ensure optimal user experiences across different devices.
- Proficiency in HTML5, CSS3 (Flexbox, Grid), and modern CSS frameworks (e.g. Tailwind CSS, Styled Components, Material UI).
- Mastery of advanced JavaScript (ES6+) concepts, including async/await, promises, closures, and functional programming.
- Hands-on experience with TypeScript for type safety and scalable frontend architecture.
- Deep knowledge of React state management solutions like Redux, Redux-Saga, Zustand, or React Query.
- Experience integrating and handling RESTful APIs and GraphQL, including authentication, error handling, and security considerations.
- Expertise in frontend performance optimisation techniques, including code splitting, lazy loading, memoisation, and caching.
- Familiarity with Webpack, ESLint, Prettier, Vite, or ESBuild to enhance development workflows.
- Understanding of browser security constraints, accessibility (WCAG standards), and best practices for frontend security (XSS, CSRF, CORS, SQL Injection protection).
- Advanced experience with browser developer tools, Chrome DevTools, Lighthouse, and performance monitoring tools to analyse memory usage, CPU performance, and network activity.
- Ability to diagnose and resolve frontend performance bottlenecks efficiently.
What the job involves
- As a Front-End Engineer at Monterosa, you will be responsible for developing innovative and engaging user interfaces for our digital products, ensuring they align with Monterosa's overall goals.
- You will utilise your expertise in front-end technologies, responsive design, and advanced tooling to create high-quality, user-centric experiences.
- User Interface Development: Designing and developing intuitive, responsive user interfaces using React and other front-end technologies.
- Ensure that the UI meets design specifications, is visually appealing, and provides an optimal user experience across various devices and screen sizes.
- Integration with Backend Services: Collaborating with backend engineers to integrate front-end interfaces with backend APIs for data communication, authentication, and error handling.
- Ensure seamless interaction between the front-end and back-end components to deliver a cohesive user experience.
- Performance Optimisation: Implementing performance optimisation techniques such as code splitting, lazy loading, caching, and network optimisation to improve the speed and efficiency of front-end applications.
- Profile and analyse performance bottlenecks to identify areas for improvement and enhance overall responsiveness.
- Code Quality and Maintenance: Writing clean, maintainable code according to industry best practices and coding standards.
- Regularly refactor and optimise existing codebase to improve readability, scalability, and maintainability.
- Conduct code reviews and collaborate with team members to ensure code quality and consistency.
- Continuous Learning and Innovation: Stay updated with the latest front-end technologies, trends, and best practices.
- Experiment with new tools and techniques to innovate and enhance the front-end development process.
- Share knowledge and mentor junior team members to foster a culture of continuous learning and improvement.
Senior JavaScript Developer in London employer: Deepstreamtech
At Monterosa, we pride ourselves on being an exceptional employer that fosters a collaborative and innovative work culture. As a Senior JavaScript Developer, you will have access to continuous learning opportunities, allowing you to stay at the forefront of frontend technologies while working alongside talented professionals in a supportive environment. Our commitment to employee growth, coupled with our focus on delivering high-quality digital experiences, makes Monterosa an ideal place for those seeking meaningful and rewarding employment in the tech industry.
StudySmarter Expert Advice🤫
We think this is how you could land Senior JavaScript Developer in London
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and join online communities. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best projects, especially those using React.js and TypeScript. Make sure it’s easy to navigate and highlights your problem-solving abilities and attention to detail.
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge and coding challenges. Practice common frontend questions and be ready to discuss your experience with performance optimisation and testing frameworks.
✨Tip Number 4
Apply through our website! We love seeing candidates who are genuinely interested in joining us. Tailor your application to highlight how your skills align with our needs, and don’t forget to follow up after applying!
We think you need these skills to ace Senior JavaScript Developer in London
Some tips for your application 🫡
Show Off Your Skills:Make sure to highlight your expertise in React.js, TypeScript, and any other modern frontend technologies. We want to see how your skills align with what we’re looking for, so don’t hold back!
Tailor Your Application:Take a moment to customise your application for this role. Mention specific experiences that relate to the job description, like your work with testing frameworks or performance optimisation techniques. It shows us you’re genuinely interested!
Keep It Clean and Clear:When writing your application, clarity is key! Use straightforward language and structure your thoughts well. We appreciate clean, maintainable code, and that starts with how you present your application.
Apply Through Our Website:We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you don’t miss out on any important updates from our team!
How to prepare for a job interview at Deepstreamtech
✨Know Your Tech Stack Inside Out
Make sure you’re well-versed in React.js, TypeScript, and the other technologies mentioned in the job description. Brush up on advanced JavaScript concepts and be ready to discuss how you've used them in past projects. This will show your expertise and passion for frontend development.
✨Showcase Your Problem-Solving Skills
Be prepared to tackle coding challenges or technical questions during the interview. Practice common algorithms and data structures, and think about how you would optimise performance in a real-world scenario. This will demonstrate your ability to diagnose and resolve frontend performance bottlenecks.
✨Highlight Collaboration Experience
Since the role involves working closely with designers and backend developers, share examples of successful collaborations from your previous roles. Discuss how you’ve integrated frontend interfaces with backend services and ensured seamless user experiences. This will illustrate your teamwork skills and adaptability.
✨Stay Updated and Share Your Knowledge
Show your enthusiasm for continuous learning by discussing recent trends or tools in frontend development that excite you. Mention any personal projects or contributions to open-source that reflect your commitment to innovation. This will highlight your proactive approach and willingness to mentor others.
