TinyCore.

Curriculum vitae

Dylan Gyesbreghs

Senior Software Engineer · Antwerp region, Belgium

Freelance senior software engineer with eleven years building software for enterprise and government clients in Belgium. Specialised in C#/.NET and Azure backends: domain modelling, API design, database migrations on live systems, and CI/CD. Earlier career in mobile for KBC, Telenet and Proximus. Currently building the immigration case-handling platform for the Belgian Immigration Office (DVZ) via In The Pocket.

Experience

Eleven years, four employers, one specialism.

Sept 2025 — now

Senior Software Engineer · In The Pocket, Ghent

Full-stack .NET engineer on a large-scale digital transformation programme for the Belgian Immigration Office (DVZ), building the platform that supports residence and immigration case handling. Backend domain logic, database evolution and the Angular front end, in a codebase with strict availability and data-integrity requirements.

  • Design and implement backend features in .NET on Azure (AKS, API Management, App Services, ACR), including complex domain features such as historical stays.
  • Lead database schema migrations and data cleanup on a live system, coordinating breaking changes across API contracts and front end.
  • Drive code-quality initiatives: warning reduction, contract-first API client generation with Orval/OpenAPI, and reduction of long-standing technical debt.
  • Improve CI/CD throughput and reliability, including test-strategy changes on pull requests and selective test execution to cut team feedback time.
  • Introduce and standardise AI-assisted development tooling (Claude, Copilot, Cursor) within the team's workflow.

C# · .NET · Azure (AKS, APIM, ACR) · SQL · Angular · OpenAPI/Orval · Azure DevOps CI/CD

Jul 2024 — Sept 2025

Senior Software Engineer · Cronos, Kontich

Senior engineer within Belgium's largest independent ICT group, delivering backend and full-stack solutions for enterprise clients. Technical design and implementation of .NET services and cloud infrastructure, alongside code review, mentoring and client-facing consultation.

  • Designed and built backend services and APIs in C#/.NET on Azure.
  • Acted as technical point of contact for clients, translating business requirements into architecture and delivery plans.
  • Supported and reviewed the work of more junior developers, safeguarding code quality and consistency.

Oct 2023 — Jul 2024

Mobile Competence Lead · Katoen Natie, Kallo

Led the mobile competence within the IT organisation of a global logistics and port operations group. Set technical direction and standards for in-house mobile applications supporting warehousing, terminal and supply chain operations.

  • Defined mobile architecture, technology choices and development standards across the mobile portfolio.
  • Coached mobile developers and acted as escalation point for technical decisions.
  • Aligned the mobile roadmap and delivery with operational stakeholders and the wider IT organisation.

Mar 2015 — Dec 2023

Software Engineer · icapps (Cronos), Antwerp

Full-stack mobile and backend engineer at a Belgian digital product agency, delivering consumer-facing applications for large enterprise clients in banking, telecom, entertainment and public services — across the full delivery cycle, in cross-functional teams alongside designers, QA and product owners.

  • Bolero (KBC) — iOS developer on the mobile trading and investment platform for one of Belgium's largest banks. Features against real-time market data in a security- and compliance-sensitive environment.
  • Telenet (Yelo) — iOS developer on the TV and video streaming app: live and on-demand playback, DRM, and account/entitlement flows at consumer scale.
  • Proximus (Pickx) — .NET developer using Xamarin for the telecom operator's TV and entertainment app, sharing one C# codebase across iOS and Android while keeping platform-native UX.
  • KidsLife — .NET developer on digital services for a Flemish child benefit fund: structured administrative data and integrations with government systems.
  • Kinepolis — .NET developer on ticketing and customer-facing services for the international cinema group, covering booking flows and core reservation integration.

C# · .NET · Xamarin · Swift · Objective-C · REST APIs · Azure · Git · CI/CD

Education

Bachelor Applied Computer Science

Erasmushogeschool Brussel — graduated with high honours

2011 — 2015

Languages

Dutch

Native

English

Fluent

Certifications

Azure Developer Associate

Microsoft

2024

Azure Fundamentals

Microsoft

2024

Foundational C#

Microsoft

2023

Certified SAFe 5 Practitioner

Scaled Agile Inc.

2021

System Operations on AWS

The Campus

2020

Skills

What I actually work in.

  • C#
  • .NET
  • ASP.NET
  • Azure
  • SQL
  • Python
  • Domain-Driven Design
  • ABP
  • DevOps
  • Git
  • Testing
  • TypeScript
  • JavaScript
  • React
  • Angular
  • .NET MAUI
  • iOS
  • Android
  • Agile
  • Team lead
  • Coaching

Contact

Available for freelance work.

Backend engineering, AI implementation, or a product that needs building. A short description of the problem is enough to start.

dylan@tinycore.io Antwerp region, Belgium Dutch or English