High Performance Architecture
Sub-second load times with optimized rendering pipelines and intelligent caching strategies.
An Istanbul studio building its own B2B SaaS. Notifyn puts an AI decision layer in front of email, SMS, WhatsApp, push and voice; Notifyn Cast extends it into creator marketing. We take on cloud, backend and machine learning work for a small number of clients alongside it.
The engineering discipline that separates industry leaders from the rest
Sub-second load times with optimized rendering pipelines and intelligent caching strategies.
Encryption in transit and at rest, least-privilege access, and secrets that never touch a repository.
React, Next.js, TypeScript, and cloud-native architecture for scalable, maintainable codebases.
Multi-region deployments with automatic failover and localization for worldwide audiences.
Monitoring and updates in place after launch, with the person who built the system answering when something breaks.
Deep discovery process ensuring solutions align precisely with your business objectives.
A modern technology stack, applied consistently across every project
Enterprise-grade web applications engineered for performance, accessibility, and long-term maintainability.
Native and cross-platform mobile experiences optimized for App Store success and user engagement.
Production-ready AI solutions from custom model development to LLM integration and MLOps.
Scalable cloud infrastructure with automated deployments, monitoring, and cost optimisation.
Intelligent workflow automation reducing manual effort and eliminating operational bottlenecks.
Robust backend architectures with optimized data pipelines and real-time processing capabilities.
You work with the person building your product, not an account manager relaying requests to someone else.
Security treated as a build-time concern, applied consistently across every project regardless of size.
Judged by whether a system keeps working after launch, not just whether it launches.
End-to-end technology delivery from product strategy through deployment and maintenance.
Portfolio spanning production infrastructure, growth tooling, and SaaS products still in development.
Engagement models built for lasting relationships, with ongoing personal support and continuous improvement.
Platforms built and run. The open-source work lives on GitHub, linked below.
B2B SaaS
Closed betaAn AI-powered multi-channel marketing platform. It unifies email, SMS, WhatsApp, push and voice behind a single AI decision layer, so a message is written once and routed to whichever channel will actually reach the customer.
B2B SaaS
Open betaCreator and UGC marketing on the Notifyn platform. Brands commission content, manage it from brief to delivered asset, and push the result straight into the channels Notifyn already runs.
B2B · B2B2C · B2C SaaS
2025-PresentA padel platform for players, venues and communities, with separate player, venue and admin surfaces. HMD Developments works on the cloud and DevOps, the backend and data engineering, and the machine learning.
B2B · B2B2C SaaS
2022-2024A social media marketing platform that started as a consumer panel and moved upstream to supply resellers and agencies directly. Built and run for two years; no longer operated by HMD Developments.
The open-source work, in full, on GitHub.
A structured process built for production systems, not just demos
1-2 weeks
A deep dive into your business goals, target audience, and project requirements to build a solid foundation.
2-3 weeks
Interfaces crafted around your brand and your users, refined through direct feedback rather than passed between departments.
4-8 weeks
Your product built with modern technologies, following practices proven on live, unattended systems.
1-2 weeks
Careful quality assurance so the product works reliably across devices and browsers before it reaches anyone.
1 week
Deployment to production with monitoring in place from day one, and a smooth rollout.
Ongoing
Post-launch support and maintenance from the same person who built it, keeping the product running well.
We use industry-leading tools and frameworks to build robust, scalable solutions
Key information for prospective partners
Still have questions? Get in touch
We take on a small number of client engagements at a time, so the work gets the attention it needs. If you're serious about building something remarkable, let's talk.
We take on a small number of projects at a time, so each one gets full attention.
Privacy First: We care deeply about your privacy and data security. Your information will never be shared with third parties.