Hi, I'm Daniel. Senior Full-Stack Engineer.
I architect scalable enterprise systems, build AI-driven platforms, and modernize legacy workflows.
Let's chat about your projectAbout Me
Based in the UK, I have spent the last 17+ years architecting and developing enterprise-scale web applications. I partner with technical recruiters, digital agencies, and B2B startup founders to turn highly complex requirements into robust, beautifully performant platforms.
Whether it's modernizing legacy monoliths, architecting massive payload processing data pipelines for healthcare, or designing omnichannel eCommerce architectures, my focus is always on business impact, speed, and exceptional craft.
Core Services
Delivering senior-level engineering leadership across three distinct high-value paradigms.
Enterprise Modernization
Deconstructing legacy architectures into highly maintainable APIs, resolving database bottlenecks, and building secure, production-ready infrastructure for regulated environments.
AI & Real-Time Interaction
Crafting modern, interactive user experiences, integrating LLM/AI voice services (STT/TTS), and engineering lightning-fast real-time streaming platforms.
Omnichannel eCommerce
Architecting transaction pipelines, custom promotion modules, deep POS system integrations, and multi-tenant Shopify/Magento implementations.
Featured Work
Selected enterprise-grade engineering projects demonstrating scale, robust processing, and real business results.
Large-Scale Medical Image Processing Pipeline
Processing extremely large healthcare images (high-resolution NDPI formats, often multi-GBs) without causing memory exhaustion in background services, while strictly adhering to healthcare data security standards.
Architected a robust, distributed processing pipeline using Node.js and BullMQ. Implemented secure, tile-based image conversion using sharp for memory-safe processing, with efficient streaming to AWS S3, data modeled via Prisma, and strictly protected by Row Level Security (RLS).
Delivered a highly stable, production-ready diagnostic processing system that completely eliminated memory-leak crashes during peak upload periods, enabling healthcare professionals to seamlessly access critical high-resolution scans securely.
Real-Time AI Voice Interaction Platform
Building a fluid, natural conversational training platform that orchestrates multiple external AI models (Speech-to-Text, LLM, and Text-to-Speech) concurrently without breaking the illusion of real-time interaction.
Engineered an event-driven, low-latency gateway using TypeScript and WebSockets. Implemented dynamic audio buffer streaming and complex orchestration logic to harmonize Whisper, Gemini/OpenAI APIs, and TTS services into a single, continuous pipeline.
Achieved a seamless, zero-stutter human-to-AI voice experience. The robust architecture enabled the platform to support continuous, realistic training scenarios without API bottlenecking, significantly enhancing the practical learning outcomes for end-users.
Professional History
Over 17 years of leading architectural shifts, optimizing mission-critical systems, and building robust enterprise platforms.
Senior Software Engineer & Platform Architect
Enterprise SaaS & Healthcare VenturesPartnering with international clients, B2B founders, and regulated healthcare organizations to architect scalable platforms, modernize legacy systems, and integrate real-time AI solutions.
- Architected a secure, large-scale background pipeline for medical diagnostic images using **BullMQ & Sharp**, efficiently handling massive NDPI uploads and complex tile-based conversions.
- Engineered a real-time AI language and speech processing platform featuring **WebSockets** and LLM integrations (STT/TTS) to deliver zero-latency interactive experiences.
- Developed a highly secure psychological assessment platform combining 59-question surveys with behavioral risk games, utilizing **Supabase Edge Functions** and rigorous Row Level Security (RLS).
Lead Systems Architect / Senior Lead Engineer
Premier Institutions & High-Growth RetailersLed core software teams in designing high-availability internal management APIs, streamlining omnichannel eCommerce frameworks, and modernizing business-critical workflows.
- Spearheaded the development of a complex internal management system for a **premier Asian sporting institution**, implementing multi-tier approval workflows and granular user behavior tracking.
- Successfully executed the **zero-downtime migration** of legacy APIs to a modern Magento 2 architecture for a major Asian beauty retailer, ensuring seamless platform continuity.
- Established strict enterprise CI/CD test automation pipelines (GitLab/GitHub) alongside comprehensive **Jest/Cypress testing**, significantly reducing runtime regressions.
Full-Stack Engineer & Team Lead
Enterprise E-Commerce & Media CorporationsDesigned core business pipelines, deep enterprise ERP/POS database integrations, and highly customized commercial modules for high-traffic platforms.
- Architected comprehensive omnichannel ecosystems from scratch, engineered deep **real-time POS**, and maintained highly accurate inventory synchronizations for multi-store networks.
- Customized high-volume promotion modules, dynamic checkout pipelines, and **innovative gamified user experiences** (such as interactive claw machine features) to drive customer retention and sales.
- Developed highly scalable data-feed programs and content delivery systems for major media portals to automate multimedia ingestion pipelines.
Start A Project Together
Looking for a senior technical partner to deconstruct legacy systems, engineer secure medical pipelines, or build voice-AI streaming platforms? Drop me a line to discuss your specifications.