1,217 Javascript Developer jobs in the United Kingdom

About Eventogy:

NO AGENCIES - Please do not attempt to canvas from here

Eventogy is a leading event management platform that caters to large corporate enterprise businesses, such as banks, law firms, and government bodies. We specialise in providing event management solutions for highly regulated industries, with a strong focus on security and compliance. As a design-first organisation, we are currently undertaking a complete rebuild of our platform to create an even more intuitive and engaging user experience.

We are seeking a skilled Javascript Developer to join our team and play a crucial role in implementing our redesigned platform. The successful candidate will work closely with our design and development teams to create pixel perfect and highly functional web applications, ensuring an exceptional user experience.

Responsibilities:

1. Collaborate with UX/UI designers and back-end developers to create visually appealing, user-friendly, and highly functional and responsive web applications.
2. Convert designs and wireframes into high-quality HTML, CSS, and JavaScript code.
3. Optimize applications for maximum speed, scalability, and responsiveness.
4. Ensure consistent implementation of brand and design guidelines across all platforms.
5. Develop and maintain reusable code and libraries for future use.
6. Stay up-to-date with the latest front end development technologies and best practices.
7. Conduct thorough testing and debugging to ensure the seamless functioning of applications.
8. Collaborate with cross-functional teams, including product managers, developers, and stakeholders, to define and implement innovative solutions for the product direction, visuals, and user experience.

Requirements

1. A Bachelor's degree in Computer Science, Web Development, or a related field.
2. A minimum of 3 years of experience as a Front End Developer, preferably in the event management or technology sector.
3. Proficient understanding of web markup, including HTML5, CSS3, and JavaScript.
4. Experience building NextJS Web Applications using Typescript.
5. Familiarity with TailwindCSS.
6. Experience with responsive and adaptive design, as well as an understanding of the technical limitations and constraints of web applications.
7. Strong understanding of cross-browser compatibility issues and ways to work around them.
8. Knowledge of code versioning tools, such as Git.
9. Excellent problem-solving skills and a keen eye for detail.
10. Strong communication and teamwork skills, with the ability to work effectively with cross-functional teams.

Benefits

All applicants MUST have working Visas or be UK residents and be currently present in the UK.

This is a hybrid role and we can negotiate the terms of your office presence, but for your information, we currently come in 2-3 times a week to the Farringdon office in London.

We have the finest coffee shop on our doorstep. A food market right in front of the office. Access to gym membership, with conditions! Training is catered for as and when needed. Pret coffee subscription included

NO AGENCIES - Please do not attempt to canvas from here.

Salary: from £50,000 subject to qualification.

JOB SUMMARY

We are looking for a highly motivated Senior Vue.js Developer to join our team.  You will be responsible for evolving and scaling our existing platforms as well as working on new greenfield projects. Mentoring other developers, practising excellent communication and motivation within the team is essential. There is a lot of scope for responsibility and the individual should be comfortable taking ownership of and managing all aspects of the front-end stack. You will join a team of front-end, back-end and database developers to deliver modern Progressive-Web-Applications, Applications and Websites.

ESSENTIAL DUTIES

• Evolving and scaling our existing platforms with informed technical decisions.
• Conceptualizing and developing new, stimulating user-facing features.
• Creating reusable libraries and efficient code for broader team use in future projects.
• Prioritizing the optimization of applications for optimal speed and scalability.
• Managing Pull Requests in alignment with the team's workflow, ensuring project expectations and deadlines are met.
• Refining internal processes to enhance the performance, reliability, and usability of our platforms.
• Identifying and making improvements to any performance-related issues affecting our web and mobile-based applications.
• Upholding stringent security standards for web and mobile applications, promptly resolving and protecting against vulnerabilities.
• Staying in tune with innovations and advancements in JavaScript and applying them to keep our applications highly competitive and adept.
• Mentoring team members in a supportive environment to further their growth and understanding of JavaScript's core concepts and best practices.
• Fostering an atmosphere for innovation and positivity, inspiring team members to deliver their best work consistently.

Requirements

Essential Skills

• Strong understanding of the following technologies:
• ES6 & JavaScript
• Vue.js
• Web markup, including HTML & CSS
• Asynchronous request handling using the likes of REST or GraphQL
• Front-end build tools, such as Vite, Webpack and CLIs
• Git and its related platforms like Github or Gitlabs
• Package management using npm
• Browser rendering behaviour and performance
• Passion for writing quality, high-performance and maintainable code following best practices

Desirable Skills

• Typescript
• Nuxt.js
• Node.js
• Storybook
• CI/CD, Pipeline management, GitHub Actions
• Docker
• Prototyping/Storyboarding
• Graphics editing with the likes of Figma, Photoshop & Illustrator
• Mobile & Responsive design
• Testing tools like Vitest, Jest, Playwright, Cypress

 KEY DELIVERABLES

• Leverage advanced JavaScript techniques to develop high-quality, efficient code, assess coding opportunities, conduct robust code reviews, streamlining codebase, and prototypes to continuously improve performance and user experience. Accurately estimate the timescales for design, development and testing phases to ensure realistic and effective project scheduling.
• Evaluate the potential impact of each change request, proactively communicating any associated risks to project managers and the leadership team.
• Collaborate proactively with the development team to coordinate the seamless delivery of high-quality application code.

• REQUIRED EXPERIENCE / QUALIFICATIONS
• IT professional with 5 years of design and technical background and knowledge
• Proven experience in web design and development
• Analytical and problem-solving skills
• Self-motivated and able to work/travel independently
• Proactive, able to work with a high level of responsibility and autonomy, able to work under pressure
• Flexible in terms of working time with a priority on “getting the job done”
• A good team player who can perform and work on a wide variety of tasks simultaneously

COMPETENCIES/SKILLS

Technical Skills

• Advanced JavaScript expertise
• Empowered decision making
• Strong oral and written communication skills
• Cultivates teamwork and collaboration
• Effective allocation and management of resources

Personal Effectiveness

• Acts with integrity and professionalism
• Demonstrates adaptability and resilience
• Excellent organizational and time management skills
• Sensitivity towards cultural diversity
• Takes a proactive lead, handles queries, manages issue resolution
• Commitment to quality, detail-oriented approach, and a strong work ethic

Interpersonal Skills

• Influences others across all levels
• Foster open communication
• Builds and maintains positive relationships
• Delivers persuasive presentations to senior management

Growth & Innovation

• Challenges existing procedures
• Identifies weaknesses and proposes improvements
• Encourages continuous learning and improvement

The above statements are intended to describe the general nature and level of work being performed by people assigned to this job. They are not intended to be an exhaustive list of all responsibilities, duties, and requirements.

JavaScript Developer - Hybrid (Manchester )

6 months with possible extension

React, Angular, Vue, Javascript Engineer

A well-established tech company in the analytics space is looking for a JavaScript Developer to join its growing product development team. The organisation builds innovative, privacy-conscious software used by global brands to better understand digital user behaviour.

This is a chance .

WHJS1_UKTJ

** Senior / Lead Front-end JavaScript Developer - Consultancy (multiple locations available in the UK) - competitive salary and quarterly bonus **

Please note - due to the nature of work, all candidates must have enhanced DV clearance (UKIC / UK*C preferred) that is active and transferable

We are looking for a Senior / Lead Front-end JavaScript Developer to join our consulting client. We have multiple locations available

In this role, you will lead the development of an impactful web application for a public sector programme, ensuring high performance, scalability, and maintainability. You will work closely with cross-functional teams to deliver engaging solutions that meet the client's needs.

Are you someone who could:

• Provide technical leadership and mentorship to a team of developers, guiding them through best practices and ensuring high-quality code.
• Design, develop, and maintain front-end components of web applications using HTML, CSS & JavaScript
• Collaborate with architects and other developers to design robust, scalable, and secure architectures for new projects and enhancements to existing systems.
• Lead and participate in agile development processes, including sprint planning, daily stand-ups, and retrospectives.
• Conduct thorough code reviews to ensure code quality, performance, and adherence to best practices.
• 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.
• Stay up to date with the latest industry trends and technologies, and drive continuous learning and innovation within the team.

Preferred Experience

• Proficiency in HTML5, CSS3, and JavaScript (ES6+).
• Proven experience of Express.js and Nunjucks
• Experience using the (url removed) Design System
• Familiarity with the (url removed) CASA UI framework
• Experience with MongoDB and NoSQL variants writing robust and scalable queries and operations
• Experience with TypeScript and modern development tools and practices.
• Knowledge of Cloud-Native development on the AWS Platform (IAM, SQS, S3, Secrets Management, KMS).
• Familiarity with CI/CD pipelines and DevOps practices.
• Experience with version control systems (Git).
• Understanding of web standards, accessibility, performance and development best practice.
• A track record in a lead or senior developer role, with experience of mentoring and guiding development teams.
• Excellent problem-solving skills and the ability to think critically and creatively.
• Strong communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams and clients.

Desirable Experience

• Experience with headless CMS platforms such as Contentful.
• Experience of modern tooling such as Vite, Vitest
• Familiarity with microservices architecture and API development (REST, GraphQL).
• Experience with mobile app development using React Native.
• Knowledge of UI component libraries like Material UI, and tools such as Figma and Storybook.

Bonus experience

• Integrating LLMs.

Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept our Data Protection Policy which can be found on our website.

Please note that no terminology in this advert is intended to discriminate on the grounds of a person's gender, marital status, race, religion, colour, age, disability or sexual orientation. Every candidate will be assessed only in accordance with their merits, qualifications and ability to perform the duties of the job.

Damia Group is acting as an Employment Business in relation to this vacancy and in accordance to Conduct Regulations 2003.

** Senior / Lead Front-end JavaScript Developer - Consultancy (multiple locations available in the UK) - competitive salary and quarterly bonus **

Please note - due to the nature of work, all candidates must have enhanced DV clearance (UKIC / UK*C preferred) that is active and transferable

We are looking for a Senior / Lead Front-end JavaScript Developer to join our consulting client. We have multiple locations available

In this role, you will lead the development of an impactful web application for a public sector programme, ensuring high performance, scalability, and maintainability. You will work closely with cross-functional teams to deliver engaging solutions that meet the client's needs.

Are you someone who could:

• Provide technical leadership and mentorship to a team of developers, guiding them through best practices and ensuring high-quality code.
• Design, develop, and maintain front-end components of web applications using HTML, CSS & JavaScript
• Collaborate with architects and other developers to design robust, scalable, and secure architectures for new projects and enhancements to existing systems.
• Lead and participate in agile development processes, including sprint planning, daily stand-ups, and retrospectives.
• Conduct thorough code reviews to ensure code quality, performance, and adherence to best practices.
• 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.
• Stay up to date with the latest industry trends and technologies, and drive continuous learning and innovation within the team.

Preferred Experience

• Proficiency in HTML5, CSS3, and JavaScript (ES6+).
• Proven experience of Express.js and Nunjucks
• Experience using the (url removed) Design System
• Familiarity with the (url removed) CASA UI framework
• Experience with MongoDB and NoSQL variants writing robust and scalable queries and operations
• Experience with TypeScript and modern development tools and practices.
• Knowledge of Cloud-Native development on the AWS Platform (IAM, SQS, S3, Secrets Management, KMS).
• Familiarity with CI/CD pipelines and DevOps practices.
• Experience with version control systems (Git).
• Understanding of web standards, accessibility, performance and development best practice.
• A track record in a lead or senior developer role, with experience of mentoring and guiding development teams.
• Excellent problem-solving skills and the ability to think critically and creatively.
• Strong communication and interpersonal skills, with the ability to collaborate effectively with cross-functional teams and clients.

Desirable Experience

• Experience with headless CMS platforms such as Contentful.
• Experience of modern tooling such as Vite, Vitest
• Familiarity with microservices architecture and API development (REST, GraphQL).
• Experience with mobile app development using React Native.
• Knowledge of UI component libraries like Material UI, and tools such as Figma and Storybook.

Bonus experience

• Integrating LLMs.

Damia Group Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept our Data Protection Policy which can be found on our website.

Please note that no terminology in this advert is intended to discriminate on the grounds of a person's gender, marital status, race, religion, colour, age, disability or sexual orientation. Every candidate will be assessed only in accordance with their merits, qualifications and ability to perform the duties of the job.

Damia Group is acting as an Employment Business in relation to this vacancy and in accordance to Conduct Regulations 2003.

Backend JavaScript Developer (Vanilla JS / TypeScript) - Fully Remote - Permanent - £40,000 - £70,000 DOE + Benefits - Sports Media & Online Publishing

We are working with a successful and growing sports media and online publishing company that is expanding its digital platforms. They are looking for a talented Backend JavaScript / TypeScript Developer to join their small, collaborative team and wo.

WHJS1_UKTJ

** Senior / Lead Front-end JavaScript Developer - Consultancy (multiple locations available in the UK) - competitive salary and quarterly bonus **

Please note - due to the nature of work, all candidates must have enhanced DV clearance (UKIC / UK*C preferred) that is active and transferable

We are looking for a Senior / Lead Front-end JavaScript Developer to join our consulting client. We have multip.

WHJS1_UKTJ