3,012 Javascript Engineer jobs in the United Kingdom
Full Stack Javascript Engineer
Posted today
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Full Stack Javascript Engineer
Posted today
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Job Description
Full Stack Javascript Engineer
Posted 2 days ago
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Job Description
Full Stack JavaScript Developer (Mid-Level)
Salary: £65,000 - £70,000 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:
- 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 such as React, Angular, 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 Node.js and server-side development.
- 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 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 Engineer
Posted 2 days ago
Job Viewed
Job Description
Full Stack JavaScript Developer (Mid-Level)
Salary: £65,000 - £70,000 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:
- 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 such as React, Angular, 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 Node.js and server-side development.
- 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 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 Engineer
Posted 15 days ago
Job Viewed
Job Description
About the role
We have an exciting opportunity for aFull-Stack JavaScript Engineer to join the elementsuite teamsomeone whos passionate about building high-quality products and tools across the stack. This role blends front-end finesse with back-end capability, and were especially keen to meet developers who can pair modern JavaScript frameworks with solid SQL experience to help power our next-gen H.
WHJS1_UKTJ
Full Stack Javascript Engineer
Posted today
Job Viewed
Job Description
This range is provided by 83zero. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.
Base pay range & job detailsnSalary:
£65,000 - £70,000 pa (depending on experience) plus benefits, perks and healthcare options
Location:
Hybrid / 2 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).
Your Role:
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
Experience with at least one leading Node.js framework (Express.js, Nest.js, Hapi.js)
Expertise in at least one modern front-end framework (Nest.js, Remix.js).
Experience with TypeScript and modern development tools and practices.
Experience with Test Driven or Behaviour Driven Development.
Knowledge of cloud 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!
Seniority level
Mid-Senior level
Employment type
Full-time
Job function
Consulting and Information Technology
Industries
Software Development and IT Services and IT Consulting
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React JS Developer or Lead
Posted 2 days ago
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Job Description
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Mid/Senior Javascript Software Engineer (m/f/d)
Posted today
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Job Description
Valve was founded to propel forward and democratise access to the fast-growing flexible workspace industry. As work transitions to a more distributed and hybrid normal, flexible workspaces will be a key enabler of a richer, more enjoyable workplace experience for employees. We believe flexible workspaces confer huge social, lifestyle and economic benefits to all their occupiers through improved work/life balances, human-centric workplaces, greater communities, and lower occupancy costs. Valve provides vital industry infrastructure to professionalise and accelerate the flexible workspace revolution.
Responsibilities
Participate in the full development lifecycle, including planning, architecture discussions, quality assurance, and implementing a scalable platform.
Contribute to the design and development of new features from a technical perspective.
Collaborate with your team and Product Manager to propose and execute technical improvements.
Generate ideas for code and process enhancements, working with your team to elevate performance and efficiency.
You’ll report directly to our VP of Engineering and work either from our London HQ or remotely within the UK.
Qualifications
5+ years of experience building scalable web applications.
3+ years production experience with
NodeJS ,
TypeScript ,
ReactJS/NextJS ,
GraphQL
&
PostgreSQL .
Experience working with Python is beneficial.
Experience working in a
product-driven ,
cross-functional
team in a tech-driven startup.
Excellent communication skills and fluent English.
A proactive approach to ownership - you don't wait to be told what to do.
Full working rights in the UK only.
Benefits
Flexible working - we are pragmatic not dogmatic, be where you are most effective at producing the best outcome for the company.
Investment in your home working setup, we want to support your productivity, satisfaction and effectiveness.
Proven management and leadership team that invests time to progress your career as fast as possible - your rapid success is mutual interest.
Regular off-sites and annual international company events.
Do you want to be part of a fast growing, exciting company? We look forward to receiving your application soon!
Our Commitment to Diversity and InclusionnValve is committed to diversity and equal opportunities for all – applicants and employees alike. We value humans – with all our glorious multifaceted backgrounds, perspectives, and experiences. Our diverse team has different ethnic and cultural origins, gender identities, sexual orientations, family arrangements, religious and political affiliations, socioeconomic statuses, age groups, and abilities.
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Mid/Senior Javascript Software Engineer (m/f/d)
Posted today
Job Viewed
Job Description
Your new rolenWe’re hiring a world-class
Mid/ Senior Javascript Engineer
to build the next generation of products that power our marketplace and SaaS platform. You’ll join a high-performing team of engineers, working on sales and marketing automation tools that help workspace operators scale. This is a high-impact, product-centric role. You’ll take ownership of feature delivery from design through to deployment, help define architectural choices, and push boundaries on speed, scale, and user experience. You'll collaborate closely with product managers and designers to ship features that matter—and that our customers love. You’ll report directly to our VP of Engineering and work either from our London HQ or remotely within the UK.
What will keep you challenged
Participate in the full development lifecycle, including planning, architecture discussions, quality assurance, and implementing a scalable platform.
Contribute to the design and development of new features from a technical perspective.
Collaborate with your team and Product Manager to propose and execute technical improvements.
Generate ideas for code and process enhancements, working with your team to elevate performance and efficiency.
Which skills/traits contribute to your success
5+ years of experience building scalable web applications.
3+ years production experience with NodeJS, TypeScript, ReactJS/NextJS, GraphQL & PostgreSQL.
Experience working with Python is beneficial.
Experience working in a product-driven, cross-functional team in a tech-driven startup.
Excellent communication skills and fluent English.
A proactive approach to ownership - you don't wait to be told what to do.
Please note that we are looking for candidates with
full working rights in the UK only .
Our commitment to you
Competitive salary
Flexible working - we are pragmatic not dogmatic, be where you are most effective at producing the best outcome for the company.
Investment in your home working setup, we want to support your productivity, satisfaction and effectiveness.
Proven management and leadership team that invests time to progress your career as fast as possible - your rapid success is mutual interest.
Regular off-sites and annual international company events.
Our commitment to diversity and inclusionnValve is committed to diversity and equal opportunities for all – applicants and employees alike. We value humans – with all our glorious multifaceted backgrounds, perspectives, and experiences. Our diverse team has different ethnic and cultural origins, gender identities, sexual orientations, family arrangements, religious and political affiliations, socioeconomic statuses, age groups, and abilities.
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React/JavaScript Front-End Software Engineer III
Posted 1 day ago
Job Viewed
Job Description
Join a dynamic team where we prioritize efficient, high-quality software development. Our fully implemented CI/CD allows us to deploy to production every day with just a click of a button, freeing our developers from the burden of release maintenance, paperwork, and manual regression testing. You will contribute to a system where automation drives productivity and guarantees reliability of every release. We follow Scrum practices to ensure smooth and organized workflows. Every task is clearly defined, estimated, and refined by the team. Our sprints are planned with a limited, realistic scope, carefully considering the team's velocity to maintain balance and focus. Regular retrospectives allow us to continuously improve our processes, ensuring that we learn and grow as a team. You will be working in an environment that encourages focusing on building and improving the quality of the product, rather than spending time on regular customer support tasks. Our goal is to provide developers with the space and resources to innovate and enhance the product, driving long-term success.
Responsibilities
Work with Product Owner and Customers to elicit system requirements
Design, architect, estimate and implement software deliverables
Automate unit, integration and acceptance testing
Required Qualifications, Capabilities, And Skills
Proficient in React, with strong experience in modern React practices including hooks, context, and component architecture.
Demonstrated ability to work with component design system to build scalable and responsive user interfaces.
Experience with automated testing frameworks for frontend applications (e.g., Jest, React Testing Library) to ensure high-quality code.
Exposure to integrating front-end applications with RESTful APIs.
Familiarity with design systems and best practices in UI/UX to ensure consistent and intuitive user experiences.
Experience with modern frontend build tools and package managers (e.g., Webpack).
Practical experience with Javascript for building robust and maintainable applications.
Preferred Qualifications, Capabilities, And Skills
Knowledge of UX design principles and ability to collaborate with designers to implement visually compelling interfaces (experience with Figma is a plus).
Practical experience with end-to-end testing frameworks (Playwright, Cypress).
Exposure to micro-frontend patterns and orchestration techniques, including utilizing container approaches for integrating multiple frontend modules.
About UsnJ.P. Morgan is a global leader in financial services, providing strategic advice and products to the world’s most prominent corporations, governments, wealthy individuals and institutional investors. Our first-class business in a first-class way approach to serving clients drives everything we do. We strive to build trusted, long-term partnerships to help our clients achieve their business objectives.
We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.
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