Delivered full-stack software engineering and technical leadership across multiple client engagements, building and maintaining production systems across diverse tech stacks.

• Designed and built the base platform and features for Integrity Systems and Solutions (New York, US) using Ruby on Rails, including database management, data pipeline handling, and async job scheduling via Sidekiq and Cron on Ubuntu
• Collaborated directly with clients to scope, prioritise, and deliver feature requests against production systems
• Led ensemble learning research initiative to optimise computing capacity and staff allocation across client projects

Contributed to systems supporting the creation and distribution of UN publications and research outputs across the organisation.

• Developed and deployed automation scripts to streamline internal operational workflows, reducing manual overhead across multiple teams
• Engineered new features and a dedicated API layer for the publication content management system, improving integration capabilities for internal and external consumers
• Managed and maintained the core publishing infrastructure supporting FAO's global research dissemination pipeline

Owned backend modernisation and ongoing feature development for a high-traffic legacy platform serving one of the US's leading literary institutions.

• Executed a full backend migration from a legacy PHP/Symfony version to the current release, ensuring continuity of service throughout the transition
• Strengthened application security by authoring new XSS prevention rules and input validation logic, addressing package-level vulnerabilities
• Optimised backend performance under sustained high traffic, improving response reliability and system stability
• Managed server infrastructure deployed on Kubernetes via AWS

Provided technical support and infrastructure management for a major reinsurance firm, maintaining stability and security across cloud-hosted enterprise systems.

• Maintained and stabilised multiple production applications on a Windows Server environment in AWS
• Implemented and enforced security best practices across the core platform, proactively mitigating vulnerabilities
• Administered user access management across platforms and devices, including remote device management for distributed teams
• Served as primary point of contact for bug escalations across a multi-user environment