Senior Fullstack Javascript Developer
Senior Fullstack Javascript Developer

Senior Fullstack Javascript Developer

Full-Time 76500 £ / year Home office (partial)
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At a Glance

  • Tasks: Lead a team in developing innovative web and mobile applications using JavaScript.
  • Company: Join a dynamic engineering team focused on high-performance and scalable solutions.
  • Benefits: Enjoy a competitive salary, hybrid work options, and great healthcare perks.
  • Why this job: Make an impact with cutting-edge technology and a collaborative culture.
  • Qualifications: Proven full stack JavaScript experience, mentoring skills, and security clearance eligibility required.
  • Other info: This role is exclusively for UK sole nationals eligible for Security Clearance.

Senior Full Stack JavaScript Developer

Salary: 77,000 – 82,000 pa (depending on experience) plus benefits, perks and healthcare options

Location: Hybrid / 2 x days per week – Travel to London

Job Type: Permanent

Security Clearance: This role is exclusively open to UK sole nationals who either hold or are eligible for Security Clearance (SC).

We are on the lookout for a talented and motivated Full Stack JavaScript Developer to join a dynamic Engineering team. If you\’re passionate about creating innovative web and mobile applications while ensuring high performance and scalability, this is your opportunity to make an impact!

Your Role:

Provide technical leadership and mentorship to a team of developers, guiding them through collaboration, innovation and facilitation to ensure best practices and high-quality code.

Design, develop, and maintain both front-end components of web and mobile applications using React, Angular, TypeScript, Bootstrap 5, HTML, CSS

Apply Test Driven Development (TDD) practices using tools such as Karma to ensure robust and reliable code.

Leverage AI-augmented development tools like GitHub Copilot to accelerate coding, improve consistency, and reduce boilerplate.

Collaborate with architects and other developers to design robust, scalable, and secure architectures for new projects and enhancements to existing systems.

Continuously improve our teams\’ development processes, tools, and techniques to enhance productivity and product quality.

Work closely with clients and internal teams to understand requirements, provide technical guidance, and deliver solutions that exceed expectations.

Your skills and experience

Design, develop, and maintain both front-end and back-end components of web and mobile applications using JavaScript, Node.js, and modern frameworks and libraries such as React, Angular, or Vue.js.

Proven experience in full stack JavaScript development, with a strong focus on Node.js and server-side development.

Experience using AI-assisted development tools (e.g. GitHub Copilot) to enhance productivity and code quality.

Experience of at least one leading Node framework (Express.js, Nest.js, Hapi.js)

Expertise in at least one modern front-end framework (Nest.js, Remix.js).

A track record in a lead or senior developer role, with experience of mentoring and guiding development teams.

Proficiency in HTML5, CSS3, and JavaScript (ES6+).

Security Clearance Requirements:

  • You must be eligible for Security Check (SC) clearance.
  • Applicants must have resided continuously in the UK for the past 5 years.

If you\’re ready to take the next step in your career and thrive in a fast-paced, innovative environment, we want to hear from you!

Senior Fullstack Javascript Developer employer: 83zero Ltd

Join a forward-thinking company that values innovation and collaboration, offering a hybrid work model that promotes work-life balance while being based in the vibrant city of London. With competitive salaries, comprehensive benefits, and a strong focus on employee development, this role as a Senior Full Stack JavaScript Developer provides an excellent opportunity for growth and mentorship within a dynamic engineering team. Embrace the chance to work with cutting-edge technologies and contribute to impactful projects in a supportive and inclusive work culture.
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Contact Detail:

83zero Ltd Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Fullstack Javascript Developer

✨Tip Number 1

Familiarise yourself with the latest JavaScript frameworks and libraries mentioned in the job description, such as React, Angular, and Node.js. Being able to discuss your experience and projects using these technologies will show your expertise and passion for full stack development.

✨Tip Number 2

Highlight any experience you have with AI-assisted development tools like GitHub Copilot. Be prepared to share specific examples of how these tools have improved your coding efficiency or quality in past projects.

✨Tip Number 3

Since this role involves mentoring, think about your previous leadership experiences. Prepare to discuss how you've guided teams, shared knowledge, and implemented best practices in your past roles.

✨Tip Number 4

Understand the importance of Security Clearance for this position. Be ready to explain your eligibility and any relevant background checks, as this is a crucial aspect of the hiring process.

We think you need these skills to ace Senior Fullstack Javascript Developer

Full Stack JavaScript Development
Node.js
React
Angular
TypeScript
HTML5
CSS3
Test Driven Development (TDD)
Karma
AI-assisted Development Tools (e.g. GitHub Copilot)
Express.js
Nest.js
Hapi.js
Mentorship and Leadership
Collaboration Skills
Scalable Architecture Design

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience with full stack JavaScript development, particularly with Node.js and modern frameworks like React or Angular. Use specific examples to demonstrate your technical leadership and mentoring skills.

Craft a Compelling Cover Letter: In your cover letter, express your passion for developing innovative web and mobile applications. Mention your experience with AI-assisted development tools and how they have improved your productivity and code quality.

Showcase Relevant Projects: Include links to your portfolio or GitHub repositories that showcase your work on full stack applications. Highlight projects where you applied Test Driven Development (TDD) practices and collaborated with teams.

Highlight Security Clearance Eligibility: Since this role requires Security Clearance, clearly state your eligibility in your application. Mention your continuous residency in the UK for the past 5 years to meet the requirements.

How to prepare for a job interview at 83zero Ltd

✨Showcase Your Technical Skills

Be prepared to discuss your experience with JavaScript, Node.js, and frameworks like React or Angular. Bring examples of projects you've worked on, especially those that demonstrate your ability to create scalable applications.

✨Demonstrate Leadership Experience

Since the role involves mentoring other developers, share specific instances where you've led a team or guided colleagues. Highlight your approach to collaboration and how you ensure best practices in coding.

✨Familiarise Yourself with TDD

Understand Test Driven Development (TDD) principles and be ready to discuss how you've applied them in your previous roles. Mention any tools you've used, like Karma, to reinforce your knowledge.

✨Prepare for AI Tool Discussions

As the role involves leveraging AI-augmented development tools, be ready to talk about your experience with tools like GitHub Copilot. Discuss how these tools have improved your coding efficiency and quality.

Senior Fullstack Javascript Developer
83zero Ltd
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  • Senior Fullstack Javascript Developer

    Full-Time
    76500 £ / year

    Application deadline: 2027-09-06

  • 8

    83zero Ltd

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