Senior Frontend Developer
Posted on May 19, 2026 by CV-Library
Farringdon, Greater London, Greater London, United Kingdom
Other
Immediate Start
Annual Salary
Contract/Project
We are looking for a skilled Senior Frontend Developer with strong experience in TypeScript and React Native to join our development team. In this role, you will build scalable, high-performance web applications and work closely with cross-functional teams to deliver outstanding user experiences.
This is initially a six-month contract with potential for extension. The role is hybrid, requiring one day per week in the London office, and is full-time at 40 hours per week.
Key Responsibilities:
Develop and maintain scalable, responsive applications using React.js, React Native, and TypeScript
Work closely with UX/UI designers to deliver intuitive and engaging interfaces
Write clean, efficient, and maintainable code following best practices
Optimise applications for performance and scalability
Participate in code reviews to ensure high development standards
Troubleshoot and resolve issues across development and production environments
Contribute to architectural decisions and collaborate on overall application design
Ensure application security and scalability through best development practices
Keep up to date with emerging technologies and recommend new tools and libraries where appropriate
Skills & Experience Required:
Proven commercial experience with React.js, React Native, and TypeScript
Strong knowledge of modern front-end technologies and frameworks
Experience with state management libraries such as Redux, Recoil, or similar
Familiarity with RESTful APIs and third-party integrations
Experience using version control systems, particularly Git
Solid understanding of HTML, CSS, and responsive design principles
Strong debugging and performance optimisation skills
Ability to produce clean, modular, and well-documented code
Excellent communication and collaboration skills
Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants
This is initially a six-month contract with potential for extension. The role is hybrid, requiring one day per week in the London office, and is full-time at 40 hours per week.
Key Responsibilities:
Develop and maintain scalable, responsive applications using React.js, React Native, and TypeScript
Work closely with UX/UI designers to deliver intuitive and engaging interfaces
Write clean, efficient, and maintainable code following best practices
Optimise applications for performance and scalability
Participate in code reviews to ensure high development standards
Troubleshoot and resolve issues across development and production environments
Contribute to architectural decisions and collaborate on overall application design
Ensure application security and scalability through best development practices
Keep up to date with emerging technologies and recommend new tools and libraries where appropriate
Skills & Experience Required:
Proven commercial experience with React.js, React Native, and TypeScript
Strong knowledge of modern front-end technologies and frameworks
Experience with state management libraries such as Redux, Recoil, or similar
Familiarity with RESTful APIs and third-party integrations
Experience using version control systems, particularly Git
Solid understanding of HTML, CSS, and responsive design principles
Strong debugging and performance optimisation skills
Ability to produce clean, modular, and well-documented code
Excellent communication and collaboration skills
Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants
Reference: 225133520
https://jobs.careeraddict.com/post/113259645
Senior Frontend Developer
Posted on May 19, 2026 by CV-Library
Farringdon, Greater London, Greater London, United Kingdom
Other
Immediate Start
Annual Salary
Contract/Project
We are looking for a skilled Senior Frontend Developer with strong experience in TypeScript and React Native to join our development team. In this role, you will build scalable, high-performance web applications and work closely with cross-functional teams to deliver outstanding user experiences.
This is initially a six-month contract with potential for extension. The role is hybrid, requiring one day per week in the London office, and is full-time at 40 hours per week.
Key Responsibilities:
Develop and maintain scalable, responsive applications using React.js, React Native, and TypeScript
Work closely with UX/UI designers to deliver intuitive and engaging interfaces
Write clean, efficient, and maintainable code following best practices
Optimise applications for performance and scalability
Participate in code reviews to ensure high development standards
Troubleshoot and resolve issues across development and production environments
Contribute to architectural decisions and collaborate on overall application design
Ensure application security and scalability through best development practices
Keep up to date with emerging technologies and recommend new tools and libraries where appropriate
Skills & Experience Required:
Proven commercial experience with React.js, React Native, and TypeScript
Strong knowledge of modern front-end technologies and frameworks
Experience with state management libraries such as Redux, Recoil, or similar
Familiarity with RESTful APIs and third-party integrations
Experience using version control systems, particularly Git
Solid understanding of HTML, CSS, and responsive design principles
Strong debugging and performance optimisation skills
Ability to produce clean, modular, and well-documented code
Excellent communication and collaboration skills
Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants
This is initially a six-month contract with potential for extension. The role is hybrid, requiring one day per week in the London office, and is full-time at 40 hours per week.
Key Responsibilities:
Develop and maintain scalable, responsive applications using React.js, React Native, and TypeScript
Work closely with UX/UI designers to deliver intuitive and engaging interfaces
Write clean, efficient, and maintainable code following best practices
Optimise applications for performance and scalability
Participate in code reviews to ensure high development standards
Troubleshoot and resolve issues across development and production environments
Contribute to architectural decisions and collaborate on overall application design
Ensure application security and scalability through best development practices
Keep up to date with emerging technologies and recommend new tools and libraries where appropriate
Skills & Experience Required:
Proven commercial experience with React.js, React Native, and TypeScript
Strong knowledge of modern front-end technologies and frameworks
Experience with state management libraries such as Redux, Recoil, or similar
Familiarity with RESTful APIs and third-party integrations
Experience using version control systems, particularly Git
Solid understanding of HTML, CSS, and responsive design principles
Strong debugging and performance optimisation skills
Ability to produce clean, modular, and well-documented code
Excellent communication and collaboration skills
Rullion celebrates and supports diversity and is committed to ensuring equal opportunities for both employees and applicants
Reference: 225133520
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