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javascript developer / html jobs near london, eng

Web Developer (6m contract)

LocalStack
London

Quick apply

Job details

Fixed term contract
£13,000 - £17,600 a month

Benefits

Company events

Qualifications

CSS
Content management systems
Responsive web design
Content creation
Cloud development
JavaScript
SEO
SaaS
AI
Google Analytics
Figma
Marketing
HTML
Workday

Full job description

LocalStack - the Local Cloud Sandbox for Developers and AI Agents

We are a fast-growing Series A startup building cutting-edge technology to revolutionize cloud development processes and support highly efficient dev&test feedback loops. We’ve closed our last $25mil round in Q4 2024, led by Notable Capital, CRV and Heavybit.

LocalStack is a local cloud development platform. LocalStack makes it easier, faster, and less expensive for software teams to ship reliable, high-quality applications to the cloud.

The cloud was built to run software, not to support AI-native development workflows. As the world's leading local cloud development platform, LocalStack provides secure local sandboxes that simulate cloud environments, enabling AI agents and software developers to find and fix risks faster and more effectively than they can in the cloud.

Our customer base ranges from SMBs to Global Fortune 500 companies. Our clients include companies like NASA, Harness, IBM, Workday, Comcast, Apple, 3M, Block and many more.

We are sustainably growing our globally distributed teams across GTM, operations and engineering. In 2025 we almost doubled in size and continue to grow across all areas in 2026.

LocalStack is headquartered in Zurich/Switzerland , with a small engineering office in Vienna/Austria and remote team members from 25 countries including the US, FR, UK, CA, ES, and many more!

Check our Notion Candidate Handbook and our GitHub!

Requirements

What you will be working on/responsible for

Deliver high-quality marketing pages quickly and reliably, enabling the marketing team to launch campaigns on schedule without engineering bottlenecks.
Maintain a fast, accessible, and technically healthy website, consistently meeting performance, responsiveness, accessibility, and Core Web Vitals standards.
Ensure every published page meets a high quality bar, with minimal production defects through rigorous QA of both manually created and AI-generated content.
Improve website effectiveness through data-driven optimization, contributing to measurable improvements in conversion rates, user engagement, and organic traffic.
Build scalable website processes, creating reusable components, QA checklists, and documentation that increase team efficiency and consistency.

Experience we expect you to bring to the role

Hands-on experience building websites in Webflow
Ability to translate Figma designs into responsive web pages
Understanding of responsive design principles, accessibility, and web performance
Familiarity with HTML, CSS, and basic JavaScript
Experience using AI tools (Claude, ChatGPT, Figma AI, Webflow AI, etc.) to accelerate content creation while applying critical QA
Basic understanding of SEO best practices
Experience with Google Analytics (GA4)
Strong QA mindset with structured testing approach
Experience working with CMS-driven websites
Experience working with marketing teams
Experience at a SaaS or developer-focused company

Values we hold in LocalStack

Care: we create with compassion. We prioritize empathy and understanding in every interaction. By genuinely caring for our team, customers, and community, we create an environment where people thrive and impactful work flourishes
Ownership: we own the outcome. We take responsibility for our work and are passionate about its impact. We foster autonomy, inspire ambition, encourage ownership, and empower everyone to unlock their potential and make an impact.
Openness: we build trust together. We build trust through open communication and honest feedback. By sharing ideas and embracing diverse perspectives, we create stronger, more connected teams that work toward shared goals.
Courage: we dare to innovate. We embrace bold challenges and take calculated risks to move the needle. We step outside our comfort zones, experiment fearlessly, and turn setbacks into springboards for growth.
Excellence: we chase the extraordinary. We chase excellence by pushing boundaries and delivering results that go beyond the ordinary, constantly raising the bar and striving for greatness in everything we do. Excellence is not just the outcome, itʼs how we approach every task with purpose, passion, and a commitment to delivering exceptional value.

Benefits

Fully remote
Competitive salary
Annual company retreat
2 extra company-wide holidays
Friendly and inclusive workplace culture (community guilds and online company events)

Sounds like a good match?

We'd love to hear from you! Join us in shaping the future of cloud development at LocalStack.

To apply, follow the application process. Make sure to include a short motivation outlining why you are the perfect candidate for this role.

If your profile looks like a good match, our talent team will be in touch to organize further steps within 2 weeks.

Please note, that due to a high volume of candidates, we cannot offer personalized feedback to each candidate.

Quick apply

Refine Your Search

javascript developer / html jobs in london, eng

Web Developer (6m contract)

Frontend Developer

Front End Developer, Officer

Web Designer/Developer

Shopify Developer

Full Stack PHP Developer – SmartPath

UI Developer (Hedge Fund)

Full-Stack Developer

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Front-end Developer Role

Webflow Developer / Front-End Engineer

Front-end Developer (Neasden, NW London)

Senior Software Engineer I (JavaScript))

Shopify Developer

Front-End Developer (React and React Native)

Senior Software Engineer I (JavaScript))

Software Engineer III

Software Engineer, Full Stack - UK

Senior Front-end JavaScript developer

Java Developer

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