• About a year Ruby on Rails · PostgreSQL NatPower Independent renewable energy developer building solar, wind, battery storage and hydrogen projects across Europe and the UK. my partBuilt the internal Rails platform NatPower's ops team uses to track project pipeline status across countries Cut manual pipeline-status reporting from a weekly spreadsheet exercise to a live view Full-stack engineer read →
• A few months Ruby on Rails · React Huble Time tracking and project management for distributed teams, with desktop apps, offline-first sync, approvals and live project margin. my partBuilt the QuickBooks and Xero export in Huble's integrations layer, so tracked hours turn into an invoice without a CSV One of Huble's 100+ integrations — no CSV export step between tracked time and an invoice Full-stack engineer read →
• A few months Ruby on Rails · PostgreSQL Mula X Fintech platform for financial inclusion in Southeast Asia — earned-wage access, a digital wallet and financial-literacy e-learning for underserved employees. my partBuilt backend services for Mula X's wallet and earned-wage-access products Wallet balance and transaction history available to employees in real time instead of a monthly statement Full-stack engineer read →
• A few months ASP.NET Core · Entity Framework Core Bluebird Health Platform Clinical platform used across Southern African healthcare: hospital EHR, national lab results pipeline, disease surveillance and a FHIR patient record. my partBuilt the "single pipe" API layer that lets any lab, regardless of source system, post results into Bluebird's national lab pipeline Labs post results through one JWT-authenticated pipe instead of a per-lab integration each Full-stack engineer read →
• A few weeks Ruby on Rails · PostgreSQL Manifestly Checklists Slack-integrated workflow tool for SOPs, recurring tasks and checklists, with role-based assignments, conditional logic and audit-ready run history. my partBuilt the conditional-logic engine that lets a checklist step branch on a prior answer, as a scoped feature contract Shipped as a scoped, fixed-price feature engagement — in and out, no ongoing retainer Full-stack engineer read →