About
THEY.dev (TH-EY S&D LTD; London, UK, and Kraków, Poland) is a software consultancy with 25+ specialists and 60+ delivered projects, featured on Clutch, TechBehemoths, GoodFirms, and Disrupt Magazine.
What we do
Design and discovery, proof-of-concept and MVP development, custom software builds, support and maintenance, QA audits, and team augmentation. Stack spans Java, React, Angular, PHP, TypeScript, and Next.js, deployed on AWS, Azure, and Docker.
Our specializations
- Proof-of-concept and MVP development for early-stage products
- Fintech integrations — Stripe, Twilio, TrueLayer
- QA audits and team augmentation for existing engineering teams
Who we work with
Teams in fintech, property management, charitable giving, compliance, and research management who need a delivery partner across discovery through production support.
Industries we serve
Fintech, compliance, and research and public-sector organizations, including clients such as Localgiving, HelloHosty, and the Parliamentary Research Service.
How we work
Design and discovery before code, with QA audits and team augmentation available once a system is already in production.