Full Stack TypeScript Developer (£40k–£50k) at Sownd Affects

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This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers.

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Job Title: Full Stack TypeScript Developer

Salary: £40k–£50k

Company Description: Sownd Affects - Early-stage startup creating the world's first Audio Inclusivity Certification Standard for social spaces.

Job Description:

As the lead developer for our Back Office platform, you will architect the critical system that manages venue certifications, acoustic measurements, and automated reporting. Working directly with the founders, you'll bridge the gap between complex acoustic data and user-friendly admin tools, enabling us to scale our global standard for noise-sensitive socialising.

Location: Remote, UK

Why this role is remarkable:

• Lead the development of a world-first certification standard, effectively building the ""LEED for sound"" from the ground up with high technical autonomy.
• Work in a high-trust, low-bureaucracy environment alongside experienced tech entrepreneurs who have already secured £500K+ in Innovate UK grants.
• Transition from a project-based contract into a permanent role, owning the entire technical architecture of the internal operations platform as the company scales.

What you will do:

• Architect and implement a comprehensive Back Office web application using React Admin and Next.js to manage venue and certification data.
• Build automated workflows for ingesting and transforming acoustic engineer PDF reports into structured data within a Supabase-hosted PostgreSQL database.
• Develop and deploy a public-facing QR code system that links physical venue certifications to dynamic, digital reporting pages.

The ideal candidate:

• 2–3 years of professional experience building and shipping full-stack applications using TypeScript, Node.js, and React.
• Proven proficiency with relational databases, specifically PostgreSQL and Prisma ORM, for designing scalable and clean data models.
• A pragmatic, builder-first mindset comfortable with modern tooling like Monorepos (TurboRepo/Nx) and AI-assisted development workflows.

Who are Jack & Jill?

Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.

And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.

Next steps

Step 1. Visit our website.

Step 2. Click 'Talk to Jack'.

Step 3. Talk to Jack so he can understand your experience and ambitions.

Step 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.

Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.

Step 6. If not, Jack will find you excellent alternatives. All for free.

We never post fake jobs

This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.

Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.

We appreciate this can make them look a bit suspect, but there isn't much we can do about it.

Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.