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Senior Javascript Developer

Technology
Eeze
London, United Kingdom1 months agoUntil 08/04/2026
Hybrid

Job description

Key Responsibilities

Design, develop, and maintain complex web applications using modern JavaScript framework such as TypeScript, REACT and Redux

Build responsive, scalable, and high-performance user interfaces that handle real-time data and low-latency interactions

Collaborate with backend developers to integrate APIs and WebSocket-based communication for real-time data updates

Work with cross-functional teams, including product owners, product analysts, UI/UX designers, and QAs, to deliver features that enhance user experience and meet business requirements

Optimise applications for maximum speed, scalability, and performance, ensuring the best possible user experience

Stay updated with the latest frontend technologies, tools, and industry trends, and apply them where appropriate To mentor team members in junior level with delegated tasks. To review their codes and provide guidance when necessary.

Key Skills & Experience:

5+ years of experience in web application development

Proficient in TypeScript, React and Redux for building dynamic and complex user interfaces

Strong experience with real-time applications or low-latency systems, ideally within the iGaming or gaming industry

In-depth experience working with WebSockets and protobuf.

Understanding of frontend performance optimisation, especially in real-time data environments

Strong knowledge of HTML5, CSS3, Node.js, and JavaScript frameworks

Strong problem solving and analytical skills

Good communication skills with various stakeholders

Knowledge of using Gitlab / Github for version control would be an added advantage What’s in it for you?

Experience a dynamic and team-orientated work environment.

Opportunities for personal growth and learning An open, inclusive and supportive team where you will be valued, and your suggestions will be welcome.

26 days paid holiday per year. This is in addition to local public holidays.

Competitive salary

Hybrid Working

Risk Benefits such as pension, Life Assurance (4x annual salary), Private Medical Insurance

Team Building Opportunities

Flexible core hours between 10am – 4pm

Receive support whenever you need it with our Employee Assistance Program, available 24/7.

Local discounts and more…

Our team is committed to keeping remuneration and benefits under constant review to make sure what we offer stays relevant.

Keywords
JavascriptTypescriptReactReduxWebsocketsProtobufHTML5CSS3Node.jsGitlabGithubProblem SolvingAnalytical SkillsCommunication SkillsCode ReviewMentoringFrontendReal-time DataLow-latencyPerformance OptimisationScalabilityUI/UXVersion ControliGamingGaming IndustryInformation TechnologySoftware Development

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