• Design & Discovery
    • Proof Of Concept
    • Minimal Viable Product
    • Custom Software Development
    • Support & Maintenance
    • Quality Assurance Audit
    • Team Augmentation
  • Portfolio
  • Team
  • Why THEY.dev?
  • Pricing
  • Blog
  • FAQ
  • Contact us
See our Portfolio

Custom Software Development

Service

  1. Web Application development

    BuaFit – a Corporate Wellness Platform

    BuaFit is a corporate wellness platform that transforms employee fitness into measurable business outcomes — from hybrid class scheduling and engagement tools to ROI dashboards and Stripe-powered subscriptions.

    • GoLang
    • Java
    • Next.js
    • React.js
    • Scala
  2. Web Application development

    Enforcio - KYC & AML Compliance SaaS Platform

    A compliance SaaS platform that turns a manual KYC process into a structured digital workflow - from smart assessment forms and automated risk scoring to audit-ready documentation and Stripe-powered subscriptions.

    • Amazon Web Services
    • React.js
    • Stripe
    • TypeScript
  3. Web Application development

    Parliamentary Research Service - Document & Workflow Management Platform

    A members-only research management platform for the Parliamentary Research Service, replacing slow search and fragmented workflows with a centralised system for document creation, collaborative review, and research request tracking.

    • Amazon Web Services
    • OpenSearch
    • React.js
    • TypeScript
  4. localgiving web application mockup
    Web Application development

    Localgiving - Fundraising & Grant Management Platform

    A centralised fundraising and charity management platform serving 2,200+ UK organisations, with fundraiser pages, grant application tools, Open Banking verification, and an AI-powered grant writing assistant.

    • AI
    • Amazon Web Services
    • Next.js
    • React.js
    • TrueLayer
    • TypeScript
  5. M01 - web and mobile application for the restaurants developed by TH-EY
    Mobile Application development, Web Application development

    M01 - Restaurant Management System & Ordering Platform

    A complete restaurant management system built over four years - combining a customer ordering app for iOS and Android, a POS system for staff, and a back-office for venue operators, now serving multiple restaurants across Finland.

    • Amazon Web Services
    • Angular
    • Google Firebase
    • Google Maps
    • Java
    • MySQL
    • REST API in Java
    • Spring
    • TypeScript
  6. commonsurface web platform developed by TH-EY for hybrid working mockup
    Figma design, MVP development, Web Application development

    Common Surface - Hybrid Work Scheduling Platform

    A hybrid work scheduling platform built for a London-based startup ahead of the remote working boom - covering office planning, calendar sync, HR integrations, and Slack, scaled from a 2-person MVP to a 13-person team following VC investment.

    • Amazon Web Services
    • Java
    • MySQL
    • Next.js
    • Node.js
    • TypeScript
  7. hellohosty web platfom AI chat assistant mockup
    Figma design, MVP development, Web Application development

    HelloHosty - AI Guest Communication Assistant

    An AI-powered property management platform for short-term rental managers, consolidating reservations, pricing, and guest communications from Airbnb, Booking.com, and other channels into a single tool.

    • Amazon Web Services
    • Apache Tika
    • Docker
    • Java
    • MySQL
    • React.js
    • Spring
    • Stripe
    • Twilio
    • TypeScript
  8. MyPosPro - Point of Sales for tickets reselling mockup
    Web Application development

    MyPosPro - Ticket Reselling Automation Platform

    A custom-built ticket reselling platform for professional brokers - automating the full sales workflow and integrating with major ticketing platforms via API, taken from POC through MVP to a fully handed-over production system over nearly three years.

    • Amazon Web Services
    • Angular
    • Java
    • MySQL
    • Spring
    • TypeScript
    • Wordpress
  9. Hatchpad - Lead generation and document signing for student lettings mockup 4
    MVP development, Web Application development

    Hatchpad - Lead generation and document signing for student lettings

    Hatchpad is a lead generation and management platform designed specifically for student housing letting agencies.

    • Amazon Web Services
    • Chatwoot
    • DocuSign
    • PHP
    • Vue
  10. Unimonq web platform quiz game mock-up developed by TH-EY
    Web Application development

    Unimonq - Cash Prize Quiz Platform

    A web-based quiz platform letting players compete for real cash prizes - with hosted multiplayer events, a single-player jackpot mode, and UK compliance built in. Inherited a partially functional codebase and delivered an improved, live system over 11 months.

    • Amazon Web Services
    • Bootstrap
    • Docker
    • jQuery
    • Laravel
    • PHP
Previous 1 2 Next
Free consultation
  • Company

    • About
    • Blog
    • Contact
    • FAQ
  • Legal

    • Privacy Policy
    • Legal Information
    • Cookie Policy
    • Privacy Notice
    • GTC - UK entity
    • GTC - PL entity
    • ISMS Policy
  • Featured in

    • Disrupt Magazine
    • Clutch
    • TechBehemots
    • GoodFirms
    • See more →
  • Contact

    e-mail:
    hello@they.dev
    post:
    3 Wingfield Road
    London, England, E15 1LP

Awards

This site is protected by reCAPTCHA and the Privacy Policy and Terms of Service apply.