What Jobs are available for Javascript in London?

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.

Designing, developing, and maintaining both front-end and back-end components of web and mobile applications using JavaScript, Node.js, and modern frameworks and libraries, with strong Angular JS , and others such as React, or Vue.js.

Full Stack JavaScript Developer (Angular)

Salary: 70,000 to 80,000 pa (depending on experience) plus benefits, perks and health-care options
Location: Hybrid / 2 x days per week - Travel to client site
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:

• Designing, developing, and maintaining both front-end and back-end components of web and mobile applications using JavaScript, Node.js, and modern frameworks and libraries, with strong Angular JS , and others such as React, or Vue.js.
• Collaborating with architects and other developers to design robust, scalable, and secure architectures for new projects and enhancements to existing systems.
• Participating in agile development processes, including sprint planning, daily stand-ups, and retrospectives.
• Conducting thorough code reviews to ensure code quality, performance, and adherence to best practices.
• Contributing to improving our teams' development processes, tools, and techniques to enhance productivity and product quality.
• Working closely with clients and internal teams to understand requirements, provide technical guidance, and deliver solutions that exceed expectations.
• Staying up to date with the latest industry trends and technologies and drive continuous learning and innovation within the team.

Your skills and experience

• Proven experience in full stack JavaScript development, with a strong focus on Angular JS
• 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).
• Proficiency in HTML5, CSS3, and JavaScript (ES6+).
• Experience with TypeScript and modern development tools and practices.
• Experience of Test Driven or Behaviour Driven Development.
• Knowledge of Cloud-Native development and serverless architectures (AWS, Azure, Google Cloud).
• Familiarity with CI/CD pipelines and DevOps practices.

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!

Designing, developing, and maintaining both front-end and back-end components of web and mobile applications using JavaScript, Node.js, and modern frameworks and libraries, with strong Angular JS , and others such as React, or Vue.js.

Full Stack JavaScript Developer (Angular)

Salary: 70,000 to 80,000 pa (depending on experience) plus benefits, perks and health-care options
Location: Hybrid / 2 x days per week - Travel to client site
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:

• Designing, developing, and maintaining both front-end and back-end components of web and mobile applications using JavaScript, Node.js, and modern frameworks and libraries, with strong Angular JS , and others such as React, or Vue.js.
• Collaborating with architects and other developers to design robust, scalable, and secure architectures for new projects and enhancements to existing systems.
• Participating in agile development processes, including sprint planning, daily stand-ups, and retrospectives.
• Conducting thorough code reviews to ensure code quality, performance, and adherence to best practices.
• Contributing to improving our teams' development processes, tools, and techniques to enhance productivity and product quality.
• Working closely with clients and internal teams to understand requirements, provide technical guidance, and deliver solutions that exceed expectations.
• Staying up to date with the latest industry trends and technologies and drive continuous learning and innovation within the team.

Your skills and experience

• Proven experience in full stack JavaScript development, with a strong focus on Angular JS
• 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).
• Proficiency in HTML5, CSS3, and JavaScript (ES6+).
• Experience with TypeScript and modern development tools and practices.
• Experience of Test Driven or Behaviour Driven Development.
• Knowledge of Cloud-Native development and serverless architectures (AWS, Azure, Google Cloud).
• Familiarity with CI/CD pipelines and DevOps practices.

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!

Full Stack JavaScript Developer / Engineer (JavaScript Vue.js Node) London to £80k

Are you a collaborative JavaScript technologist?

You could be progressing your career as a Full Stack JavaScript Developer at a scale-up tech company, that enables smart matching for commercial van drivers and consumers, via job bidding and route optimisation, streamlining processes and delivering CO2 carbon neutral targets, the company has been established 10 years, with recent funding of £25 million.

What's in it for you:

• Salary to 0k
• 25 days holiday (increasing to 30), plus Christmas Eve
• Vitality healthcare plus a host of wellbeing benefits
• Pension
• Family leave and enhanced maternity scheme
• Continual career and self development opportunities
• Onsite gym, and partnership with Octopus Electric Vehicles and Evans Cycle to Work scheme, there's showers and towels if you do decide to cycle!

Your role:

As a Full Stack JavaScript Developer you'll collaborate as part of an Agile technology team to design and develop, troubleshoot and solve complex software issues to help scale and future proof the business. You'll work across the full tech stack using JavaScript and Vue.js on the front end, there's a range of other tech in the stack (TypeScript, Node.js, Java, Python and of course a bit of legacy PHP!), you'll be encouraged to explore new technologies and use the best tool for the job as well as own your own DevOps and deployment.

There's an emphasis on getting stuff done and immediate business impact, alongside longer term strategy.

Location / WFH:

There's a hybrid work from home model with three days a week in the Hammersmith office and the other two work from home. When in the office you can enjoy the onsite gym, barista coffee and free breakfast.

About you:

• You have strong full stack JavaScript development skills and are happy to work on projects that could be weighted either way or a 50/50 split
• You have experience with JavaScript frameworks they use Vue.js but Angular or React experience is fine
• You also have backend experience with Node, TypeScript and Python
• You're product focussed with good business acumen
• You have a good knowledge of APIs and an indepth understanding of web development practices, tools and technologies
• You enjoy learning and picking up new things
• You're flexible and able to adapt to changing priorities
• You have full software development lifecycle experience including CI/CD and testing
• You're collaborative with Agile team experience, happy to mentor more junior developers
• You're likely to be degree educated in Computer Science or similar tech discipline

Apply now to find out more about this Full Stack JavaScript Developer / Engineer (JavaScript Vue.js Node) opportunity.

At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually learn. We're an equal opportunities employer whose people come from all walks of life and will never discriminate based on race, colour, religion, sex, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. The clients we work with share our values.

We’re building a membership platform for the future of live events that prioritises and rewards loyal fans.

At the heart of every meaningful live event lies the desire to feel connected, valued, and part of a shared community. That’s why we built Planet, an end-to-end membership platform that allows artists, venues, and brands to truly understand their audiences.

But we don’t stop there. Through The Beat, our personalisation engine, we go beyond one-off, transactional moments and establish lasting connections with fans. By harnessing insights and learnings from over two years of research into fan engagement, we’re building a future where:

• Loyal fans feel truly seen and prioritised
• Engagement is as seamless and as simple as possible to action

Our vision is to enable impactful, personalised interactions with every fan, fostering deeper connections and more valuable communities. Together, Planet and The Beat help remove the time and resources traditionally required for fan engagement, making it effortless to take every campaign and live event to the next level.

Requirements

As a Full-Stack Engineer, you’ll play a key role in building the next generation of tools and features that power our platform. You’ll work across the stack using TypeScript, Next.js, Apollo GraphQL, and PostgreSQL, delivering functionality that supports fans, artists, and internal teams.

This is a great opportunity to work in a collaborative, fast-paced environment where your code directly shapes the experience of thousands of users.

• Build and maintain features across the stack using Next.js (React), Node.js, Apollo GraphQL, and PostgreSQL
• Collaborate with product, design, and engineering to scope, implement, and iterate on new functionality
• Write clean, maintainable, and well-tested code
• Optimise backend performance and API reliability
• Help refine technical requirements and contribute to architectural decisions
• Contribute to CI/CD processes and deployment automation
• Support internal operations by monitoring infrastructure, resolving issues, and enhancing internal tools as needed
• Participate in code reviews and knowledge-sharing across the team
  

• Solid experience building full-stack applications using TypeScript, Next.js, and Apollo GraphQL
• Comfortable designing and querying GraphQL APIs, both client and server-side
• Strong backend experience with PostgreSQL and relational data modelling
• Familiarity with AWS services, including ECS, Lambda, RDS, and S3
• Experience in CI/CD environments and agile development workflows
• Strong problem-solving skills and an eye for performance and maintainability
• Excellent communication and collaboration skills

• Experience working in a high-demand, live event or fast-moving environment.
• Knowledge of performance testing and simulating high-traffic scenarios.
• Experience with the latest versions of Next.js including app router and server components.
• Experience working with the OpenAI API or similar LLM services

Benefits

What’s it like working at Planet?

We are a remote-first company, but our London office (near Oxford Circus) is available for regular visits for in-person collaboration.

• Our commercial and product teams work together in person 2-3 days a week, but for this role, you can be fully remote with the option to visit the office as needed.
• Our development team is fully remote but based in the UK, with a virtual stand-up each day.

We’ve put structured processes in place to help career progression, including:

• Fortnightly one-on-ones to support your growth
• Monthly creative sessions to spark new ideas
• Quarterly team get-togethers to align on our journey
• A monthly reflection to celebrate wins and lessons learned

• Competitive salary based on experience, with incentives tied to company success
• Join at an exciting time of international growth with the chance to shape your role as part this
• 25 days holiday + UK public holidays, plus additional paid time off between Christmas and New Year
• Remote-first working model, with the flexibility to work from anywhere in the UK
• Quarterly allowance for attending live gigs

What to expect next from us?

1. Initial Chat: A conversation with our Tech Lead to learn more about you and introduce our product, business, and culture.
2. Technical Discussion: A deeper conversation with the core team to see your ideas in action.