DevLazar
Log
04
Disclosure
Named
Sector
Healthcare
Client
Directive Health
Role
Full-stack software engineer
Stack
React · NestJS · TypeScript · PostgreSQL · Redis · gRPC
When
2023
Work / Build logs / Log 04

Directive Health.

NestJS and gRPC services that fetch and transform data from several healthcare providers, and the REST APIs and React admin interface around them.

DisclosureStamp 1 of 3 · open
Named
01
What I owned

Built NestJS/gRPC services for fetching and transforming data from multiple healthcare providers, with scheduled jobs coordinating daily refreshes.

Designed PostgreSQL data models and implemented transactional operations to preserve consistency across related updates.

Optimized PostgreSQL queries and introduced table partitioning to support data-intensive processing and retrieval.

Developed REST APIs for the mobile application and a React administrative interface, and integrated Keycloak for identity and access management.

Other logs
Log 01Sector only
Media and publishing, NDA protected
React CMS features and NestJS APIs, from requirements to release.
Log 02Sector only
Logistics and warehouse management, NDA protected
A React admin interface, Next.js pages and NestJS APIs.
Log 03Sector only
EdTech, NDA protected
React applications and NestJS services for many users and organizations.
Log 05Sector only
Digital Private Banking
React interfaces and Node.js services for an internal banking platform.
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