Implemented Keycloak SSO authentication end-to-end, covering OAuth2 code exchange, JWKS-based JWT verification, and custom token issuance, plus a zero-downtime user migration script to the Keycloak realm via the Admin API

Built a multi-country meter onboarding system supporting UK (ECOES/MPAN) and German (FirstX/DSO) regulatory frameworks, extending the platform’s addressable market with a single unified API branching on country code.

Designed a Celery-powered consumption estimation engine that continuously computes and backfills daily meter records from prognosis and contracted data, with full audit-log tracking and bulk-optimised database writes.

Overhauled the operations dashboard with column-level filtering, a Formik-based Bulk Patch modal with confirmation guard, and a user-driven async Excel export pipeline where the frontend controls column order and visibility.

Developed and maintained a microservice enabling seamless communication across multiple ERP modules, reducing inter-module latency by 15% through efficient API design.

Built and optimized an enterprise-grade HR management system with robust authentication, granular role management, pagination, and input validation, resulting in improved security and user experience.

Integrated CI/CD pipelines and automated testing for the ERP microservice, cutting deployment time by 40%.

Developed automation and paperless solutions to facilitate day-to-day office work that reduced administrative time by 20% and eliminated the need for staff to visit the ICT office for assistance.

Designed and implemented a cost-effective server pool architecture utilizing existing resources at the Institute which saved up to 5 million in costs.