Senior Fullstack Javascript Developer

83zero Limited; London; Hybrid; GBP 77,000 - 82,000; Full time

Job summary

A dynamic tech company in London is seeking a Senior Full Stack JavaScript Developer to provide leadership within a high-performance team. This role involves developing both web and mobile applications, applying best practices, and mentoring junior developers. The ideal candidate has extensive experience in JavaScript and Node.js, proficiency in modern frameworks, and is eligible for security clearance. Competitive salary and hybrid work model offered.

Qualifications

• Proven experience in full stack JavaScript development.
• Experience using AI-assisted development tools.
• Expertise in modern front-end frameworks.

Responsibilities

• Provide technical leadership and mentorship to a team of developers.
• Design, develop, and maintain web and mobile applications.
• Apply Test Driven Development (TDD) practices.
• Collaborate with architects and developers for secure architectures.

Skills

JavaScript

Node.js

React

Angular

AI-assisted development tools

HTML5

CSS3

TypeScript

Bootstrap 5

Tools

GitHub Copilot

Karma

Job description

Overview

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!