
Full Stack Web 3 Engineer
Ashbourne, Ireland
Full Stack Engineer specialising in AI-integrated and Web3-native systems, with 14 years of production engineering across fintech, blockchain, and cloud platforms. Delivered and architected Solidity-based social platforms supporting 100K+ users and 1M+ daily on-chain events. Created NFT management software for fintech.
Salary
USD 90,000 โ 150,000
HCLTech (Deployed in Emirates NBD)
Aug 2025 โ Present
Architected banking microservices handling 50K+ daily transactions with 99.95% uptime using Java Spring Boot, Node.js, PostgreSQL. Led AWS cloud migration reducing costs 35% and increasing release frequency from quarterly to weekly via CI/CD pipelines. Implemented AI agentic workflows for anomaly detection and customer routing, improving decision accuracy 30%. Optimized APIs 45% faster through Redis caching, database indexing, and Kubernetes load balancing. Mentored 8-member team establishing architecture reviews that reduced production incidents 30%.
Axys Global
Jul 2025 โ Sept 2025
Built Polygon-based NFT management system capturing blockchain state snapshots for bonus distribution. Integrated KYC providers, crypto exchanges, and cold wallets using Viem, Wagmi, Web3.js. Delivered production-grade Web3 architecture with React frontend optimized for security and performance.
Globalization Partners
Mar 2022 โ Jul 2025
Designed REST APIs handling 1M+ monthly requests and 50K+ concurrent users with sub-100ms latency. Improved system throughput 60% via PostgreSQL optimization and async Node.js processing. Modernized React applications reducing bundle size 35% and improving component reusability 50%. Architected event-driven microservices using Redis, SQS, EventBridge accelerating deployments 3x. Managed AWS infrastructure with automated CI/CD cutting release times 90% and costs 40%. Managed Enterprise compliance keeping multi-tenant SaaS APIs.
CodeJam Cafe for SoMee Social
Sept 2020 โ Mar 2022
Architected blockchain social platform with Solidity smart contracts for decentralized monetization. Built Laravel/Node.js backend supporting 100K+ users and 1M+ daily real-time events with zero data loss. Developed React frontend with MetaMask/WalletConnect integration boosting engagement 40%. Managed AWS CloudFront CDN achieving P99 latency under 200ms for millions of daily interactions.
Afilias Ireland Ltd
Aug 2019 โ Oct 2020
Built Java Spring MVC REST APIs serving 50+ departments with standardized endpoints. Developed React applications using custom hooks/Redux improving performance 45%. Created Node.js automation tools reducing manual workloads 30%.
Guidewire International Ltd
Aug 2016 โ Aug 2019
Developed 20+ Java Spring MVC REST APIs processing 500K+ monthly insurance transactions. Built React client portals for 200+ corporate clients improving usability and performance. Implemented AWS infrastructure-as-code reducing environment setup 60%.
Avaya International Ltd
Jul 2014 โ Aug 2016
Developed and maintained enterprise-grade call center and reporting solutions within R&D division. Designed scalable applications using J2EE, C#.NET, GigaSpaces, RESTful Web Services, Java Spring, AngularJS. Applied TDD with JUnit, Mockito, JMockit, and PowerMock. Contributed to CI/CD pipelines and collaborated in agile scrum teams.
BSc (Honours) ยท Software Development
2010 โ 2014