DG • Index
★ Issue №04 · Solution Engineering Thessaloniki / 2026 / Vol. I ★

This Issue Features ↓

Demetri
Grigoroudis

I build the technical bridges between complex platforms and the teams who depend on them — translating enterprise problems into working systems.

Stamped · Open to Briefs
⋄ Personnel [ Portrait ]
[ PHOTO ]

Senior Solution Engineer

Based in Thessaloniki, GR.
UTC+3 · responds within 24h.

★ Things that shipped ↓

Index of 4 pieces
№ 01 / 04 · 2025 Read &blackpreset;

Enterprise CPQ Migration

Migrated a 200K-SKU industrial catalog from a 14-year-old legacy quoting system to modern CPQ — without a single day of downtime.

Salesforce CPQ Apex Data modeling
№ 02 / 04 · 2024 Read &blackpreset;

Multi-tenant API Gateway

Designed and shipped a tenant-isolated API gateway serving 40+ enterprise customers with per-tenant rate limits, auth, and observability.

Kong Go Postgres
№ 03 / 04 · 2023 Read &blackpreset;

Real-time Analytics Pipeline

Replaced a nightly batch ETL with a streaming pipeline delivering sub-minute customer analytics to a Fortune-500 logistics firm.

Kafka Flink ClickHouse
№ 04 / 04 · 2023 Read &blackpreset;

Developer Self-Serve Portal

Designed a documentation + sandbox portal that took new API customers from signup to first successful call in under 9 minutes.

Next.js OpenAPI Postman

★ The Trail
(Work History)

2022 — Now
Senior Solution Engineer
Cintra Platforms ↗
2019 — 2022
Solution Engineer
Korva Systems
2016 — 2019
Software Engineer
Nessos Information Tech