Senior JavaScript Developer

Position: Senior JavaScript DeveloperLocation: London HybridEmployment Type: Full-timeAbout UsPrimis is currently partnered with a leading digital advertising marketplace who are looking for a highly skilled Senior JavaScript Developer to join their dynamic team and help us build innovative solutions to meet our business needs.Position OverviewWe are seeking an experienced Senior JavaScript Developer who will be responsible for designing, developing, and maintaining front-end and back-end applications using JavaScript and modern frameworks/libraries. The ideal candidate should have deep expertise in JavaScript, along with strong problem-solving skills and the ability to lead projects and mentor junior developers.Key ResponsibilitiesDevelop, maintain, and optimize web applications using JavaScript, as well as owning assigned tickets end-to-end to delivery the request.Lead the development of single-page applications (SPAs) using modern JavaScript frameworks such as React.js and or node.js.Write clean, scalable, and well-documented code with a focus on maintainability.Optimize applications for maximum speed and scalability.Troubleshoot, debug, and upgrade existing applications.Maintain version control using Git and follow best practices in code reviews and continuous integration.Stay up-to-date with the latest trends, tools, and technologies in the JavaScript ecosystem.Mentor and guide junior developers, conducting code reviews and providing technical leadership.Required QualificationsBachelor's or Master's degree in Computer Science, Engineering, or a related field (or equivalent work experience).5+ years of experience in JavaScript development.Extensive experience with front-end frameworks such as React.js, Node.jsFamiliarity with databases such as MongoDBPreferred QualificationsExperience working with cloud platforms like AWS.Soft SkillsExcellent problem-solving and analytical skills.Strong verbal and written communication skills.Ability to work independently and as part of a collaborative team.Leadership qualities and the ability to mentor junior developers.Perks and BenefitsCompetitive salary, bonus, learning and development fund & welfare fund