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- Tasks: Lead the development of high-impact ecommerce projects and create stunning digital experiences.
- Company: Join Underwaterpistol, a creative agency that builds standout Shopify Plus stores.
- Benefits: Freelance contract with competitive daily rates and flexible remote work options.
- Why this job: Make a real impact by turning design concepts into beautiful, functional online experiences.
- Qualifications: Proficient in Shopify, HTML5, CSS3, and JavaScript; strong communication skills required.
- Other info: Collaborative environment with opportunities to shape your workload and grow your skills.
Location: 1 day remote + 1 day on‑site in London
Contract: Freelance, approx. 3‑month rolling project
Reports to: Technical Lead
Rate: ÂŁ250 - ÂŁ350 per day
Start: ASAP
We’re looking for an experienced Senior Developer to join us on a short‑term freelance basis, working directly on‑site with our London‑based clients two days a week. We’re looking for a self‑motivated Senior Developer who’s confident in client‑facing environments, able to advocate for the best use of their time, and skilled in shaping tasks as well as delivering work autonomously.
You’ll help bring high‑impact ecommerce projects to life, turning design concepts into fast, accessible and beautiful experiences that perform flawlessly.
About UWP: We’re Underwaterpistol, a creative and technical ecommerce agency built for brands that want to stand out. We design, build and grow Shopify Plus stores that deliver measurable results, blending creative thinking with technical precision. Our developers care deeply about quality, detail, and craft and we’re looking for someone who shares that mindset.
This role involves working closely with our clients on‑site, acting as a trusted technical partner. You’ll be responsible for shaping your workload, managing priorities directly with client teams as their primary solo developer and representing UWP with confidence and clarity.
Role Overview: As a Senior Developer, you’ll lead the build and implementation of front‑end features, ensuring clean, reusable code and seamless collaboration with designers and strategists. You’ll be hands‑on in translating UI/UX concepts into working digital experiences, maintaining our high standards for accessibility, performance, and maintainability. You’ll need to be comfortable working independently, shaping tasks proactively, and advocating for the most effective use of development time in a client‑facing setting.
Key Responsibilities:
- Build out design comps accurately and efficiently.
- Write structured, well‑organised, reusable code.
- Inspect, debug, and troubleshoot bugs and QA issues.
- Ensure the technical feasibility of UI/UX designs.
- Collaborate closely with other team members and stakeholders.
- Lead on assigned development projects, making technical recommendations, flagging risks, and supporting other developers when needed.
- Help uphold and refine UWP’s development standards and best practices.
- Contribute to internal policies, documentation, and component frameworks.
- Communicate progress clearly with project and delivery teams, ensuring visibility on timelines and blockers.
Skills and Experience:
Essential:
- Experience with Shopify
- Strong proficiency with HTML5, CSS3, and Vanilla JavaScript
- Experience working with Liquid (Shopify)
- Understanding of LESS and SASS pre‑processing
- Strong grasp of cross‑browser compatibility and responsive development
- Proficiency with Git (or similar version control)
- Understanding of SEO and UX best practices
- Excellent attention to detail and a good eye for design
- Strong communication and documentation skills
- Portfolio of live projects demonstrating your work
Nice to Have:
- Experience with Gadget
- Familiarity with JavaScript frameworks (React, Vue, Angular)
- Experience with Node.js, Python, Ruby, or PHP
Senior Developer (Freelance Onsite London Contract) in Manchester employer: Underwaterpistol (Shopify Plus Agency)
Contact Detail:
Underwaterpistol (Shopify Plus Agency) Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior Developer (Freelance Onsite London Contract) in Manchester
✨Tip Number 1
Get your portfolio in tip-top shape! Make sure it showcases your best work, especially projects that highlight your skills with Shopify and front-end development. A strong portfolio can really set you apart when you're meeting clients face-to-face.
✨Tip Number 2
Practice your pitch! When you're in a client-facing role, being able to communicate your ideas clearly is key. Think about how you can explain your past projects and the impact they had, so you can impress potential clients right off the bat.
✨Tip Number 3
Network like a pro! Attend local tech meetups or events in London to connect with other developers and potential clients. Building relationships can lead to freelance opportunities, and who knows, you might even find your next project partner!
✨Tip Number 4
Apply through our website! We love seeing applications come directly from passionate candidates. It shows initiative and gives us a chance to see your enthusiasm for the role. Plus, it’s a great way to get noticed in a competitive market!
We think you need these skills to ace Senior Developer (Freelance Onsite London Contract) in Manchester
Some tips for your application 🫡
Show Off Your Skills: Make sure to highlight your experience with Shopify and your proficiency in HTML5, CSS3, and Vanilla JavaScript. We want to see how you've used these skills in real projects, so don’t forget to include a portfolio that showcases your best work!
Tailor Your Application: Take a moment to customise your application for this role. Mention how your experience aligns with our needs, especially in client-facing environments. We love seeing candidates who understand what we do and how they can contribute!
Be Clear and Concise: When writing your application, keep it straightforward. We appreciate clarity, so make sure your points are easy to read and get straight to the point. This will help us see your communication skills right from the start!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way for us to receive your application and ensures you’re considered for the role. Plus, it shows you’re keen on joining our team at Underwaterpistol!
How to prepare for a job interview at Underwaterpistol (Shopify Plus Agency)
✨Know Your Tech Inside Out
Make sure you brush up on your skills with Shopify, HTML5, CSS3, and Vanilla JavaScript. Be ready to discuss your experience with these technologies in detail, as well as any projects you've worked on that showcase your expertise.
✨Showcase Your Problem-Solving Skills
Prepare to talk about specific challenges you've faced in previous roles and how you overcame them. This is especially important for a client-facing role where you'll need to advocate for the best use of development time.
✨Demonstrate Your Communication Skills
Since this role involves working closely with clients, practice articulating your thoughts clearly and confidently. Think about how you can explain complex technical concepts in a way that's easy for non-technical stakeholders to understand.
✨Bring Your Portfolio
Have a portfolio of live projects ready to share during the interview. Highlight projects that demonstrate your attention to detail and ability to deliver high-quality work, as this aligns with UWP's values.
