Senior Javascript Developer

Company: Eeze
Apply for the Senior Javascript Developer
Location: Greater London
Job Description:

Responsibilities:



  • 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 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.

  • Hybrid Working

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

  • 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.

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Posted: March 27th, 2026