Senior Frontend Developer (React.Js) in London

Senior Frontend Developer (React.Js) in London

London Full-Time 60000 - 80000 £ / year (est.) Home office (partial)
Pentasia

At a Glance

  • Tasks: Design and maintain high-quality applications for web, mobile, and backend environments.
  • Company: Leading tech firm in the global lottery and gaming industry.
  • Benefits: Hybrid work model, competitive salary, and opportunities for professional growth.
  • Other info: Collaborative culture with a focus on innovation and modernisation.
  • Why this job: Join a dynamic team and shape the future of digital products in gaming.
  • Qualifications: Strong expertise in React and front-end technologies, with experience in cloud environments.

The predicted salary is between 60000 - 80000 £ per year.

One of my clients is looking for a Senior frontend developer role able to join their offices in London or New Castle (UK). They build world class apps, middleware and digital products in the global lottery, betting, and gaming space. The role is hybrid, 2 days per week at the office is mandatory.

Responsibilities include:

  • Design, build, and maintain high-quality applications across web, mobile, and backend environments depending on project needs.
  • Identify and reduce technical debt while supporting system modernisation efforts.
  • Ensure strong performance, scalability, security, and reliability across platforms.
  • Implement testing, monitoring, and observability best practices.

Requirements:

  • Strong expertise in front-end technologies (JavaScript/TypeScript frameworks) or another core area such as React.
  • Experience integrating front-end applications with APIs and backend services.
  • Solid understanding of distributed systems and cloud environments (AWS preferred).
  • Familiarity with CI/CD pipelines, automated testing, and modern delivery practices.
  • Experience with performance optimisation, debugging, and observability tools.
  • Exposure to legacy systems and modernisation projects is advantageous.
  • Knowledge of secure coding practices and common security standards.

Senior Frontend Developer (React.Js) in London employer: Pentasia

Join a forward-thinking company that values innovation and collaboration, offering a dynamic work culture where your contributions directly impact the development of cutting-edge applications in the gaming industry. With opportunities for professional growth and a hybrid working model that promotes work-life balance, you'll thrive in an environment that encourages creativity and technical excellence, all while being based in vibrant locations like London or Newcastle.

Pentasia

Contact Details:

Pentasia Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Frontend Developer (React.Js) in London

Tip Number 1

Network like a pro! Reach out to your connections in the tech industry, especially those who work in gaming or betting. A friendly chat can lead to insider info about job openings that aren't even advertised yet.

Tip Number 2

Show off your skills! Create a portfolio showcasing your best projects, especially those using React and other front-end technologies. This is your chance to demonstrate your expertise and make a lasting impression.

Tip Number 3

Prepare for the interview like it’s a coding challenge! Brush up on common technical questions related to front-end development, APIs, and cloud environments. We want you to feel confident and ready to tackle any question thrown your way.

Tip Number 4

Don’t forget to apply through our website! It’s the easiest way to get your application noticed. Plus, we love seeing candidates who take the initiative to connect directly with us.

We think you need these skills to ace Senior Frontend Developer (React.Js) in London

React
JavaScript
TypeScript
API Integration
Cloud Environments (AWS)
CI/CD Pipelines
Automated Testing

Some tips for your application 🫡

Tailor Your CV:Make sure your CV is tailored to the Senior Frontend Developer role. Highlight your experience with React and any relevant projects you've worked on, especially those involving APIs and cloud environments like AWS.

Showcase Your Skills:In your cover letter, don’t just list your skills—show us how you’ve used them in real-world scenarios. Talk about your experience with performance optimisation and any modernisation projects you've been involved in.

Be Clear and Concise:Keep your application clear and to the point. We appreciate straightforward communication, so avoid jargon unless it’s necessary. Make it easy for us to see why you’re a great fit!

Apply Through Our Website:We encourage you to apply through our website for the best chance of getting noticed. It helps us keep track of applications and ensures you’re considered for the role as quickly as possible.

How to prepare for a job interview at Pentasia

Know Your Tech Stack Inside Out

Make sure you’re well-versed in React and any other front-end technologies mentioned in the job description. Brush up on your JavaScript and TypeScript skills, and be ready to discuss how you've integrated front-end applications with APIs and backend services in your previous roles.

Showcase Your Problem-Solving Skills

Prepare to discuss specific examples where you've identified and reduced technical debt or supported system modernisation efforts. Think about challenges you've faced in performance optimisation or debugging, and how you tackled them. This will demonstrate your hands-on experience and critical thinking.

Familiarise Yourself with CI/CD and Testing Practices

Since the role involves modern delivery practices, be ready to talk about your experience with CI/CD pipelines and automated testing. Share any tools you’ve used for testing, monitoring, and observability, and how they contributed to the success of your projects.

Understand Security Standards

Given the importance of secure coding practices, brush up on common security standards relevant to web and mobile applications. Be prepared to discuss how you’ve implemented security measures in your past projects, as this will show that you take security seriously in your development work.