I help ambitious teams turn complex ideas into reliable, scalable software. Focused on people, product and real-world impact.
Thoughtful engineering, clear communication, and a focus on the people behind every product.
I approach software through the people who depend on it: what they are trying to achieve, where they hesitate, and what earns their trust. Listening carefully helps me turn an unclear request into a shared understanding of the problem.
I value calm communication, honest trade-offs, and steady progress, especially when requirements change. Technical decisions should make life easier for users and for the engineers who maintain the product. I favor clear boundaries, observable behavior, and tests that protect meaningful outcomes. With AI, I pay attention to uncertainty: how answers are grounded, how failures are surfaced, and when a person should remain in control. I enjoy connecting product thinking with implementation, asking useful questions before committing to complexity. As a teammate, I share context, explain decisions, and make room for different perspectives. My aim is to leave behind software people can rely on and a team that understands how to move it forward.
I see good collaboration as a practical engineering skill. People need to feel comfortable raising concerns, challenging assumptions, and admitting what is still unknown. I try to create that space through patient listening and specific feedback. When choosing an approach, I weigh delivery speed against reliability, security, and the cost of future change. I prefer small, testable steps that let a team learn quickly. A useful product should reduce friction rather than ask people to adapt to unnecessary complexity. That principle guides how I design interfaces, structure services, and evaluate the role of AI.
15+ years of software engineering across AI, education, enterprise commerce, and payments.
Led a 40+ engineer team across four product streams delivering MyTutor's UK and US platforms. Combined React, Next.js, Node.js, and AWS microservices with AI-powered matching and scheduling, supporting 250K+ learners, 1,500+ schools, and 4M+ lessons.
React • Next.js • TypeScript • Node.js • Python • OpenAI/Claude API Integration • AWS Lambda • Serverless Architecture • Event-Driven Architecture (SQS/EventBridge) • REST & GraphQL APIs • Team Leadership
Led delivery of an Agentic AI financial reconciliation platform in Python and React. Built a LangGraph Supervisor/Worker framework that improved tool-selection accuracy from 70% to 95% and reduced token consumption by approximately 80%, with reconciliation achieving 90%+ matching accuracy across 10,000+ daily transactions.
Python • LangGraph • Agentic AI • Multi-Agent Systems • LLM Orchestration • Prompt Engineering • React • AWS • Reconciliation/Fintech Systems • Observability & Guardrails • Structured Outputs • Human-in-the-Loop Systems
Modernized Amazon Payments by migrating core workloads from Oracle to DynamoDB and redesigning services in Python and Java. Built resilient AWS-native components with Lambda and API Gateway, strengthening scalability, fault isolation, automated testing, and release reliability.
Python • Java • AWS Lambda • Amazon DynamoDB • API Gateway • NoSQL Data Modeling • Distributed Systems • CI/CD • Payments Systems • Legacy System Migration
Built enterprise commerce and payments capabilities in JavaScript and Python, spanning merchant interfaces, backend services, REST APIs, and POS integrations. Supported secure, scalable transactions across in-store, online, and mobile commerce, improving reliability through logging, testing, and production support.
JavaScript • Python • REST APIs • Payments/POS Integrations • Merchant Systems • Transaction Processing • Security & Data Integrity • Automated Testing • Full-Stack Development
MyTutor is an online tutoring platform that reshapes school-based learning by automatically grouping students with similar needs and learning styles. With built-in scheduling, class formation, and management tools, it helps tutors and schools deliver personalized support at scale.
Alvarez & Marsal (A&M) is a global enterprise-level consulting company specializing in turnaround management, performance improvement, and advisory services. Founded in 1983, the firm provides expertise in restructuring, operational excellence, and strategic consulting across various industries. A&M is known for working with clients during critical transitions, helping them address complex challenges and achieve sustainable growth. The client turned to me due to my experience in working with niche technologies like TigerGraph and my ability to deliver custom data-intensive systems under tight technical constraints.
I helped develop Imagine AI, a scalable recruitment platform for Forsyth Barnes. The system centralizes workflows, embeds AI for candidate matching and CV tailoring, and integrates compliance and reporting tools. This solution facilitates recruiters' work and ensures full visibility across the hiring cycle.
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Real estateSpicerhaart Group Ltd is one of the UK's largest independent estate agency networks, operating 7 well‑known brands across residential sales, lettings, and financial services. I helped deliver a mobile video solution that simplifies property marketing: agents can capture, enhance, and publish fully branded property tours in minutes, with seamless CRM integration and automated brand consistency.
Case detailsxUnlocked is a multi-domain, enterprise-grade learning ecosystem that delivers structured education across Finance, Sustainability, and Data Analysis. The platform enables global organizations to upskill teams at scale through expert-led video courses, interactive pathways, and company-specific learning environments — all built on a single, scalable architecture.
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ManufacturingPermio is an AI-powered permitting platform built for Service First Permits to automate workflows and accelerate approvals across 240+ jurisdictions. I worked closely with SFP to design, engineer, and validate a system that modernizes the entire permitting lifecycle.
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MartechForethought partnered with me to extend and integrate its AI-powered support platforms (Assist and Discover) into complex enterprise environments. I helped enhance real-time agent assistance, streamline multi-system connectivity, and deliver a unified support experience across channels. The result is a scalable AI agent ecosystem that accelerates resolution times, boosts team productivity, and powers more consistent customer experiences.
Case detailsKeep is a next-generation retention platform built to modernize compensation strategies. Instead of relying on equity during volatile market cycles, companies use Keep to offer vesting-based cash bonuses structured as employer-funded loans. Employees receive their full bonus upfront, while the vesting schedule governs forgiveness over time, creating transparency, commitment, and a predictable retention mechanism. I helped transform this concept into a secure, compliant FinTech application that streamlines bonus management for employers and delivers a simple, intuitive experience for employees.
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HealthcareThe global rise in chronic diseases like diabetes has fueled the demand for personalized health management tools. Levels Health, an A16z-backed startup, identified a gap in the market for a user-centric app that leverages CGM data to empower individuals to optimize their metabolic health. Levels partnered with me to create a mobile app that would be their core user engagement platform.
Case detailsI turn product ideas into maintainable software, from architecture and data models to the interface and deployment. I build clear APIs, testable components, and reliable systems that support your next stage of growth.
I build AI features that fit your product: knowledge assistants, RAG pipelines, and automated workflows. I connect models to relevant data, validate structured outputs, and design useful fallbacks when an answer is uncertain.
I work alongside your team as a senior engineering partner. I take ownership of complex features, review architecture, and share knowledge through clear communication, practical documentation, and focused delivery.
I build responsive web applications with React and TypeScript, backed by secure APIs and dependable data services. I focus on accessible interfaces, fast interactions, and code your team can confidently maintain.
I develop mobile experiences around real user needs, with intuitive screens and reliable backend integrations. I pay attention to authentication, data synchronization, performance, and a consistent experience across devices.
I improve release workflows with CI/CD, Docker, Kubernetes, and infrastructure automation. I add observability and actionable monitoring so you can deploy confidently, diagnose issues faster, and operate with less friction.
I design AWS services and data layers for reliability, performance, and cost awareness. From migrations to cloud-native applications, I connect the infrastructure to your product needs and make operations easier to manage.
I protect critical workflows with meaningful automated tests, API checks, and integration testing. I focus on catching regressions early, making failures easy to diagnose, and improving confidence in every release.
I help keep existing applications dependable through focused debugging, dependency updates, performance tuning, and incremental refactoring. I address recurring issues and document changes so the product stays easier to support.
Banking, lending, trading, accounting, digital wallets, and financial platforms.
Learning management systems, online courses, virtual classrooms, and mobile learning experiences.
E-commerce, point-of-sale systems, inventory management, and connected shopping experiences.
Patient experiences, health tracking, care management, and connected healthcare platforms.
Property management, branded property tours, location services, and workflow automation.
Transport planning, fleet coordination, shipment tracking, and supply chain software.
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Candidate management, hiring workflows, interview scheduling, and recruitment automation.
Production planning, quality control, inventory tracking, and operational reporting.
“Choosing to work with Daniel has been a game-changing decision for the progress of our platform. Together the people at xUnlocked and Daniel have become one big team, even a family. As CTO, it’s essential for me to have both a technically skilled and culturally integrated team, and Daniel has delivered the best. Daniel has a great personal attitude and in-depth expertise. With help of Daniel, it has allowed us to build and customize our platform fast and easily.”
Ciaran RooneyxUnlocked CTO
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