Wanted: Senior Full Stack Developer to join the company. Join us in shaping the future of music learning and creation.
We are on the lookout for a seasoned Senior Full Stack Developer to help drive the next phase of our growth. We're building tools that empower people to explore their musical potential, and we're looking for a passionate, senior full-stack developer to join our engineering team.
In this role, you’ll play a crucial part in evolving our technical strategy, enhancing our digital products, and ensuring best practices are followed across the web development stack. Reporting to the Engineering Manager, you’ll focus on building and scaling features using our JavaScript/TypeScript technology stack—supporting our e-commerce platform, internal tools, APIs, and subscription systems.
We run agile workflows with sprints and daily standups, prioritize open communication, and work together to foster an inclusive, high-performing development culture.
About Us:
Our team is dedicated to making music creation and learning more accessible through innovative hardware and software solutions. From intuitive piano learning tools to expressive digital instruments, we aim to redefine how people connect with music.
Senior Full Stack Developer Key Responsibilities:
- Develop, maintain, and scale high-quality codebases across our software products.
- Lead technical decision-making and contribute to system architecture and long-term planning.
- Partner with UX designers to evolve and maintain a robust design system.
- Deliver polished frontend experiences, optimizing for speed, accessibility, SEO, and security.
- Build reliable and scalable backend APIs using Node.js and NoSQL databases.
- Write and maintain automated tests for frontend and backend systems.
- Troubleshoot and resolve technical issues across infrastructure, integrations, and APIs.
- Support and mentor team members through code reviews, pair programming, and collaborative learning.
- Own key areas of site reliability and web security.
- Participate fully in agile ceremonies and maintain clear communication across teams.
What We're Looking For
- 5+ years of experience as a full-stack developer.
- Advanced knowledge of frontend frameworks such as SolidJS, React, Next.js, or Astro.
- Proven ability to create user-focused, responsive websites.
- Skilled at building and maintaining reusable components and UI libraries.
- Solid grasp of web architectures like SSR, SSG, and SPA.
- Experience in project leadership, including task planning, estimating, and delivery.
- Strong backend experience with RESTful APIs, Node.js, and SQL/NoSQL databases.
- Familiarity with integrating external APIs, analytics platforms, and third-party services.
- Understanding of modern web security practices.
- Excellent problem-solving, debugging, and communication skills.
Technical Skills Requirement: (Core Competencies)
Frontend:
- HTML, CSS
- JavaScript (ES2020+), TypeScript
- React or SolidJS
- Component/unit testing (Vitest, Jest, etc.)
- End-to-end testing (Playwright, Cypress, etc.)
Backend:
- RESTful API design
- Node.js
- SQL or NoSQL database integration
- Integration and unit testing
- Infrastructure:
- Familiarity with Vercel or similar deployment platforms
- Experience with AWS services (S3, Lambda, ECS, SQS)
Nice-to-Have Skills
- Astro framework
- Tailwind CSS
- GraphQL
- Accessibility best practices
- State management tools
- Express.js
- UI/UX prototyping with Figma
- CSS/JS animations
Bonus Experience
- E-commerce platforms (Shopify or similar), headless CMS tools
- Analytics tools like Google Analytics, GTM
- End-to-end e-commerce lifecycle understanding
- Work on high-traffic, customer-facing websites
- A passion for music, innovation, or startups
What We Offer in Return:
- A chance to collaborate with pioneering minds in music tech and creative hardware/software
- A salary that reflects your experience and contribution
- A variety of meaningful perks, including:
- Comprehensive healthcare cash plan after probation
- Bike-to-work scheme
- Hybrid work model (3 days onsite in Highgate office: Mon, Wed, Thurs)
- Company pension scheme (after 3 months)
- 23 days annual leave + 8 bank holidays
- 5 additional days for volunteering annually
- Flexible working hours
- product borrowing program + employee discounts
- MacBook and essential software licenses
- Generous parental leave
- Hack Days and team socials
- Secure bike storage
- Temporarily paused due to office renovations: daily plant-based lunches, unlimited GOLDnola, and family events.
We’re committed to maintaining a workplace that values diversity, equity, and inclusion. We believe that varied perspectives help us create better products and a stronger team.
Position: Senior Full Stack Developer - Salary: Competitive Salary Offered (DOE) - Location: London NW5 / Hybrid
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