# THEY\.dev: Software Development, Design \& Consulting > TH\-EY S\&D LTD \| Custom Software Development, Design \& Consulting \| Web and Mobile solutions for business \| Web \& Mobile Applications Generated by Yoast SEO v27.6, this is an llms.txt file, meant for consumption by LLMs. ## Pages - [Minimal Viable Product](https://www.they.dev/services/minimal-viable-product/) - [Contact Us](https://www.they.dev/contact-us/) - [Home](https://www.they.dev/) - [Why THEY\.dev?](https://www.they.dev/why-they-dev/) - [Team](https://www.they.dev/team/) ## Posts - [Eight years of conversations, commits, and tickets, available in seconds, thanks to AI agents\.](https://www.they.dev/blog/eight-years-of-conversations-commits-and-tickets-available-in-seconds-thanks-to-ai-agents/) - [How we reduced our customer's AWS bill by $7k](https://www.they.dev/blog/aws-cost-optimisation-how-we-reduced-customers-bill-by-7k/): We ran an AWS audit for one of our clients and found $7,000 in unnecessary annual spending \- no infrastructure overhaul needed\. Here's exactly what we found and how we fixed it\. - [7 Software Implementation Pitfalls: Don't let past developers' experiences ruin your next project](https://www.they.dev/blog/software-implementation-problems-we-see-before-every-project/): Software implementation rarely fails for technical reasons\. Here are 7 organisational problems we see before almost every project \- and how we approach them\. - [How we moved a legacy ASP\.NET app to Laravel and Filament with Claude Code – without breaking anything](https://www.they.dev/blog/migrate-aspnet-laravel-claude-code/): Learn how we used Claude Code and the strangler fig pattern to smoothly migrate a legacy ASP\.NET app to Laravel and Filament without downtime\. - [How developers use AI for custom software development in 2026?](https://www.they.dev/blog/how-developers-use-ai-for-custom-software-development-in-2026/) ## Portfolio - [BuaFit – a Corporate Wellness Platform](https://www.they.dev/portfolio/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\. - [LeanBuild – Cloud based project management software](https://www.they.dev/portfolio/lean-build/): LeanBuild is a cloud\-based tool designed to help construction businesses improve the quality of work, reduce stress, and achieve a sense of accomplishment by enabling individuals and teams to efficiently meet their project goals\. - [Secure Stream VPN \- Chrome extension](https://www.they.dev/portfolio/secure-stream-vpn-chrome-plugin/): A Chrome extension built from scratch in JavaScript for a subscription VPN service, letting users log in and connect to proxy servers worldwide with a single click\. - [Onboard \- Web HR platform](https://www.they.dev/portfolio/onboard/): An online Human Resources platform, allowing candidates to apply for a job using voice\. The goal of the application is to bridge the gap between the job application and the interview stage\. - [Urbanite \- Pub \& Restaurant Discovery App](https://www.they.dev/portfolio/urbanite/): A cross\-platform React Native app for discovering pubs, bars, and restaurants in London \- with venue search and filtering, maps, ratings, live events, and a booking system, delivered within a tight budget by building for iOS and Android simultaneously from a single codebase\. ## FAQ - [Will we sign the NDA?](https://www.they.dev/faq/will-we-sign-the-nda/) - [What happens after I get in touch?](https://www.they.dev/faq/how-the-process-looks-like/) - [Do you have any awards?](https://www.they.dev/faq/do-you-have-any-awards/) - [What services do you offer?](https://www.they.dev/faq/how-can-we-help/) - [Do you provide support and maintenance after launch?](https://www.they.dev/faq/do-you-provide-support-and-maintenance-after-the-project-is-done/) ## Categories - [Business Scaling](https://www.they.dev/blog/category/business-scaling/) - [How THEY do IT](https://www.they.dev/blog/category/how-they-do-it/) - [App Development](https://www.they.dev/blog/category/app-development/) - [Custom Software Development](https://www.they.dev/blog/category/custom-software-development/) - [Case studies](https://www.they.dev/blog/category/case-studies/) ## Tags - [software development](https://www.they.dev/blog/tag/software-development/) - [startup](https://www.they.dev/blog/tag/startup/) - [custom software](https://www.they.dev/blog/tag/custom-software/) - [they\.dev](https://www.they.dev/blog/tag/they-dev/) - [case study](https://www.they.dev/blog/tag/case-study/) ## Topics - [THEY\.dev development process](https://www.they.dev/faq/development-process/) - [Areas of expertise](https://www.they.dev/faq/areas-of-expertise/) - [Projects](https://www.they.dev/faq/projects/) - [Technical](https://www.they.dev/faq/technical/) - [Design \& Discovery](https://www.they.dev/faq/design-discovery/) ## Technologies - [Amazon Web Services](https://www.they.dev/portfolio-technology/amazon-web-services/) - [Spring](https://www.they.dev/portfolio-technology/spring/) - [Java](https://www.they.dev/portfolio-technology/java/) - [TypeScript](https://www.they.dev/portfolio-technology/typescript/) - [React\.js](https://www.they.dev/portfolio-technology/react-js/) ## Categories - [Web Application development](https://www.they.dev/portfolio-category/web-application-development/) - [MVP development](https://www.they.dev/portfolio-category/mvp-development/) - [Mobile Application development](https://www.they.dev/portfolio-category/mobile-application-development/) - [Figma design](https://www.they.dev/portfolio-category/figma-design/) ## Services - [Minimal Viable Product](https://www.they.dev/portfolio-service/minimal-viable-product/) - [Design \& Discovery](https://www.they.dev/portfolio-service/design-discovery/) - [Custom Software Development](https://www.they.dev/portfolio-service/custom-software-development/) - [Proof of Concept](https://www.they.dev/portfolio-service/proof-of-concept/) ## Optional - [Sitemap index](https://www.they.dev/sitemap_index.xml)