App Development Jobs in London

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Set up 1 interactive workbook prototype (no code app) with a user login, points, and certificate system — then provide clear written or voice instructions for how to edit and duplicate it. The prototype is required by 7pm tonight and final product . If possible. No later than 11:59pm for final bubble output. Instructions can be provided tomorrow by 6pm. Please respond with your experience using bubble, for similar tasks; how you would approach, offer and estimated timeframe this afternoon. Thank you

Sun Oct 26 2025

about 3 hours ago

Open

I am looking to build a booking engine for the hospitality industry. It's a complex build and will require someone with expertise in building web-based services. What I require can't be built as a web-based app, I don't believe, with my limited knowledge. This is hard to explain and will probably require a call. I would prefer someone from Australia for communication ease, time zones, etc. I know this will require a budget larger than stated.

Fri Oct 24 2025

1 day ago

Open

Looking for testers to explore and provide feedback on NoorNavigator, a closed-testing Android Progressive Web App (PWA) that helps Muslims discover halal food spots, prayer spaces, and community connections. What you’ll do: Install the NoorNavigator PWA on your Android device once invited to closed testing. Use the app actively for at least 14 days, explore listings, test navigation, and try key features. Share any bugs, suggestions, or general feedback. What i need: An Android User Someone who has gmail (for Test access and feedback) Time commitment: Approximately 5–10 minutes per day for 2 weeks.

Fri Oct 24 2025

1 day ago

Open

Project Description We’re building MandarinMate, an AI-powered Mandarin learning app for English speakers in Australia. Users chat with an AI tutor that gives instant pronunciation and vocabulary feedback. All content, 30 Mandarin prompts, and design assets are ready — we just need your help to build, connect, and publish. Tasks 1. Extend our Flutter app (base provided). 2. Integrate OpenAI GPT, Whisper, and optional TTS. 3. Implement chat + voice conversation flow. 4. Set up backend (Node.js / Python / Firebase / Supabase). 5. Assist with App Store & Google Play submission. 6. Provide brief documentation. We Provide Ready prompts.json (30 topics) API guide & examples Marketing text, pricing, app descriptions Branding & visuals Budget & Timeline 💰 AUD 800–1,200 (based on backend) 🕒 ~2 weeks total (app + publishing) Preferred Skills Flutter / FlutterFlow OpenAI API (ChatGPT, Whisper) Firebase / Supabase App Store & Play Store submission English or Chinese communication Why Join A focused AI + education project with strong global potential. Clear guidance, quick feedback, and opportunity for future collaboration. How to Apply Send: Past Flutter apps (esp. AI/chat) Your timeframe Preferred backend stack

Thu Oct 23 2025

3 days ago

Open

I’ve built an app using Lovable (AI app builder), and it’s mostly complete — but I now need an experienced developer to help me take it over the finish line. The app is React / Supabase / Tailwind based, generated through Lovable and synced to GitHub. I need help with: Final integration: Add the remaining code/functionality to reach MVP stage. Code review: Check the existing code for bugs, structure, and best practices. Deployment: Publish the app for testing (web app deployment, or as a PWA / TestFlight / similar if appropriate). What I’m looking for: Experience with React, TypeScript, Tailwind, Supabase, and GitHub. Understanding of Lovable or AI-generated codebases is a plus. Able to get the app live and testable quickly. Deliverables: Clean, working MVP ready for testers. Brief notes on improvements or potential issues. App deployed to a test environment (e.g. Vercel, Netlify, or similar). Timeline: Within 1–4 weeks. Budget : negotiable

Thu Oct 23 2025

3 days ago

Open

I have a conversation on viber app that I need to download either inn pdf or words Please give me your offer

Tue Oct 21 2025

4 days ago

Open

We have an app built with Goodbarber. It has been used by our members for 4 years without in-app purchases. Due to changed Apple regulations we are needing to reconfigure the app to incorporate a membership extension for in-app purchase and management of subscriptions. This has a number of implications for our current users so we require someone who can work with us to design a transition strategy and then build the new setup.

Mon Oct 20 2025

6 days ago

Open

Ive created an App for Appl/ Android and would loike to take the next step making it live for users to access it.

Sun Oct 19 2025

6 days ago

Open

Thanks for send your offering to help with my project! Here’s a quick summary of what I’ve built and what I need help connecting: I’ve created a website using Hostinger Horizon. It will serve two audiences: • Technicians in the field, working on their mobile phones, uploading job data, images, and notes. • Office/admin staff, working on computers, who need to see everything happening in real time — new photos, reports, job updates, etc. The main goal now is to link both interfaces (field and office) through a shared backend so everything stays perfectly synced. Here’s what I’m aiming for: • Use Supabase as the backend (Postgres + Realtime + Storage + Auth). • One database that handles users, jobs, photos, and reports for both the web app and the website. • Realtime sync: when a technician uploads something, the office dashboard updates instantly. • Role-based access: technicians see only their assigned jobs; office staff see everything. • Storage for photos and PDFs (e.g. before/after images, inspection reports). • Ideally, keep both front ends under the same domain: • app.mydomain.com → field web app (PWA) • admin.mydomain.com → office dashboard • www.mydomain.com → marketing site (already done on Hostinger) Essentially, I need your help to link the Supabase backend with both front-end interfaces (PWA for technicians + admin dashboard for office staff) so they share the same data in real time. If you’re comfortable setting up Supabase, RLS policies, Realtime channels, file storage, and deployment on Hostinger, that would be amazing. I already have a clear database schema and user flow — so we can get straight into implementation. Let me know If you familiar with those features please.

Sat Oct 18 2025

7 days ago

Open

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Last updated on 26th Oct 2025

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Type of app development job	1-2 tasks/week	3-5 tasks/week	5+ tasks/week
Computers & IT	£150	£375	£525
Computer Repairs	£134	£335	£469
Computer Support	£154	£385	£539
Printer Help	£110	£275	£385
Wifi Help	£170	£425	£595
Computer Training	£150	£375	£525
Laptop Repair	£180	£450	£630
Software Help	£160	£400	£560
Apple Mac Repairs	£140	£350	£490
Router Modem Setup	£124	£310	£434

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App Development Jobs in London

Browse through over 500 App Development Jobs.

App Development tasks in London

Set up 1 interactive workbook prototype (no-code app) using bubble

SAAS programmer / developer

Need 14 testers to test my app

Build & Publish AI Mandarin Learning App

Assistance with app completion

Download conversation on VIBER app

Reconfiguration of a Goodbarber app

Need a Mobile app Ive created to be Live

IT service (Supabase)

Unlock new income opportunities in London