Ümit Altıntaş

Cloud marketplace and private-cloud platform for Türk Telekom.

• Core engineer on Maestro, the cloud marketplace — an Angular storefront with server-side rendering on a Java 25 / Spring Boot 4 backend, built across four teams
• Built the product configurator: resource sizing, add-ons, replication and licensing with a live price breakdown
• Own order orchestration for virtual data centre provisioning, quota handling and backup-vendor lifecycle
• Own the front end of Kokpit, the private-cloud console, and contribute across its nine-service Spring Boot backend
• Integrated both products with OpenStack; deployments run on Kubernetes with per-environment Helm values

Mission-critical aircraft weight and balance systems.

• Built weight & balance services on Spring Boot microservices, cutting manual processing by ~30%
• Designed an Excel-like Angular data grid for load planning, improving data-entry accuracy by ~25%
• Implemented Kafka-based asynchronous messaging for high-volume operational data

Leading a cross-functional team of five engineers while staying hands-on.

• Grew the team from three to five; cut onboarding time roughly in half with documented conventions and reproducible local stacks
• Eksper Panel — four codebases on one API: Spring Boot backend, Angular panel, Flutter mobile app and a Tauri/Rust desktop sync agent
• Peoply HR — multi-tenant HR SaaS with an AI assistant, tenant isolation enforced at the data-access layer
• Packdex / Janus — Java 25 / Spring Boot 4 product intelligence platform with LLM enrichment and competitor price tracking
• Introduced a testing and CI/CD baseline across products, reducing deployment time by ~40%

Telecom network analytics tooling.

• Built an Angular/.NET analytics dashboard used by operations teams
• Optimised data pipelines and query paths, reducing report latency by ~25%
• Automated recurring reporting workflows in Python and SQL