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Osmii
Senior Frontend Developer

Senior Frontend Developer

Hybrid

London, United kingdom

Senior

Freelance

12-11-2025

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Skills

Communication JavaScript TypeScript SQL GraphQL Version Control Problem-solving Programming git react Redux HTML5

Job Specifications

Frontend Developer

3 months contract

3 days per week in London, 2 days remote.

We are seeking a talented and driven Frontend Developer to join our dynamic team and contribute to the development of cutting-edge web applications. You will be instrumental in building rich, interactive user interfaces using modern technologies, with a focus on React and GraphQL.

This role requires a strong understanding of TypeScript and the ability to work within a distributed technology stack, with exposure to SQL.

Required Skills and Experience

Proven experience as a Frontend Developer, with a strong portfolio showcasing React and TypeScript projects.
Solid understanding of GraphQL and its implementation in frontend applications.
Excellent proficiency in JavaScript (ES6+), HTML5, and CSS3.
Experience with state management libraries (e.g., Redux, Context API).
Familiarity with testing frameworks (e.g., Jest, React Testing Library).
Understanding of RESTful APIs and asynchronous programming.
Experience working with version control systems (e.g., Git).
Ability to work independently and as part of a collaborative team.
Strong problem-solving and debugging skills.
Exposure to SQL, and a willingness to learn more about backend systems.
Experience working in a distributed technology stack is highly desirable.
Excellent communication and interpersonal skills.

About the Company

Osmii believes the journey starts with the people you hire. Osmii is a firm of specialist headhunters providing worldwide resource to Agencies, Brands and Consultancies. We offer support across the Technology, Creative and Digital sectors in Europe, MEA, APAC, US and LATAM. Osmii has two key service offerings: a Specialist Headhunting partner building permanent teams internationally and a Global Services partner delivering locally compliant temporary/project based resource. We have a history of building long standing s... Know more