Careers · London or remote across the UK

Come build things
that matter.

A small, senior-led studio doing good work for UK businesses since 2012. 6 roles open right now, on-site in Mayfair or fully remote across the UK.

6open roles
  • Work styleStudio or remote (UK)
  • EmploymentFull time
  • Team since2012
Apply now
Open roles
Full-stack Developer Mobile App Developer AI Engineer UI/UX Designer Project Manager Business Development Executive

Build and ship client web applications end to end, from the database through to the interface. We work mostly in PHP, JavaScript and modern frameworks, and we favour clean, maintainable code over clever tricks.

What you'll do

  • Build web applications end to end, from database schema to the interface
  • Own features from the first commit to release, with senior teammates on hand
  • Keep code clean, tested and easy for the next person to pick up
  • Work directly with designers and project managers, not through layers

What we're looking for

  • Three or more years building production web apps
  • Strong PHP and JavaScript, and comfort with a modern framework or two
  • A good feel for databases, APIs and sensible architecture
  • UK-based, with the existing right to work in the UK
London studio or remote (UK) · Full time · Competitive salary Apply for this role

Design and ship iOS and Android apps for UK clients across healthcare, fitness, retail and more. You care about performance, offline behaviour and the small interactions that make an app feel right in the hand.

What you'll do

  • Take app features from concept through to the app stores
  • Build for real-world conditions: performance, offline use and battery
  • Sweat the small interactions that make an app feel considered
  • Work closely with our designers and backend engineers

What we're looking for

  • Real apps in the stores that you can point to
  • Native (Swift or Kotlin) or cross-platform (React Native or Flutter) experience
  • An eye for how an app should feel to use
  • UK-based, with the existing right to work in the UK
London studio or remote (UK) · Full time · Competitive salary Apply for this role

Design and ship practical AI features inside client products: LLM integrations, retrieval pipelines, evaluation harnesses and the backend plumbing that turns a clever prototype into something a customer can rely on.

What you'll do

  • Build practical AI features inside real client products
  • Wire up LLM integrations, retrieval pipelines and evaluation harnesses
  • Turn prototypes into something a customer can depend on
  • Judge what is genuinely useful versus what only looks good in a demo

What we're looking for

  • Solid Python and hands-on work with modern LLM tooling
  • Comfort with backend engineering and data plumbing
  • Sound judgement about model behaviour and its limits
  • UK-based, with the existing right to work in the UK
London studio or remote (UK) · Full time · Competitive salary Apply for this role

Shape how our clients' products look and feel, from the first wireframe to a polished, buildable interface. We're after clear thinking as much as attractive screens.

What you'll do

  • Shape client products from wireframe to polished interface
  • Move between research, user flows and high-fidelity design
  • Hand developers work they can actually build
  • Help set and hold a consistent standard across projects

What we're looking for

  • Strong Figma skills and a portfolio that shows clear thinking
  • A good understanding of the web and its constraints
  • Comfort presenting and defending design decisions
  • UK-based, with the existing right to work in the UK
London studio or remote (UK) · Full time · Competitive salary Apply for this role

Run a small portfolio of client projects across web, mobile and bespoke software, keeping scope, timelines and quality on track, and looking after the engineers and designers on either side of the work.

What you'll do

  • Run a small portfolio of web, mobile and software projects
  • Keep scope, timelines and quality on track
  • Run weekly client reviews and keep everyone informed
  • Look after the engineers and designers on either side of the work

What we're looking for

  • Three or more years managing digital projects
  • Comfort with both Agile and fixed-scope delivery
  • Clear written and spoken English
  • UK-based, with the existing right to work in the UK
London studio or remote (UK) · Full time · Competitive salary Apply for this role

Grow our UK client base: find and qualify the right prospects, own the early conversations, and hand a clean brief to the delivery team.

What you'll do

  • Find and qualify the right prospects for our work
  • Own the early conversations and understand what a client needs
  • Hand a clean brief to the delivery team
  • Keep the pipeline and CRM tidy and honest

What we're looking for

  • Two or more years in a B2B sales or business development role
  • Ideally within tech, agency or software services
  • Confident on a call and comfortable writing a proposal
  • UK-based, with the existing right to work in the UK
London studio or remote (UK) · Full time · Competitive salary Apply for this role
Why join us

Senior people,
real ownership

If you take pride in your craft and like working close to the customer, you'll feel at home here, whether you're in the studio or working from the other end of the country.

Senior people, real ownership

You'll own meaningful pieces of work from the first week, with senior teammates close by when you need a sounding board. No babysitting, no busywork.

Remote or in the studio

Work fully remotely from anywhere in the UK, from our Mayfair studio near Green Park, or a bit of both. We care about the work and the people, not where you sit each day.

Variety of work

A mix of projects across web, mobile and bespoke software for UK clients in healthcare, finance, retail, charity and more. You'll rarely have a dull week.

Room to grow

Honest feedback, time for learning, and a clear path to take on more responsibility. We invest in people who want to invest in their craft.

Apply now

Send us your application

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Thanks, your application is on its way.

We read every application and reply within a week. If your background looks like a fit, the next step is a relaxed call with a member of the team.

Questions?hello@flitzen.co.uk
Call us+44 (0) 7587 557 546
Good to know

A few things candidates
often ask

Yes. Every open role can be done fully remotely from anywhere in the UK, from our Mayfair studio at 12 Old Bond Street, or any mix of the two. We work well both ways and will fit around what suits you and the team.

Our studio is at 12 Old Bond Street, Mayfair, London W1S 4PW, a short walk from Green Park. You're welcome in as often or as little as works for you.

These roles require the existing right to work in the UK. We're not in a position to sponsor new visas at the moment.

A first call to get to know each other, a short practical task or portfolio walk-through depending on the role, and a final conversation by video or in our Mayfair studio. We aim to keep the whole process to two or three weeks.

We're always happy to hear from experienced developers, designers and delivery people across the UK. Use the form above, choose General / future roles, and tell us what kind of work you're looking for. We'll keep it on file.

Ready when you are

Think you'd
fit in?

Apply for a role
hello@flitzen.co.uk +44 (0) 7587 557 546