Portfolio
Selected projects where I helped enterprise teams deliver scalable, cloud-native systems — from greenfield builds to complex migrations.
Recent Projects
AZL (NN Group) — Pension Integration Platform
Role: Lead Software Engineer / Kotlin Tech Lead · 2023–Present
Designed and delivered a greenfield event-driven integration system on Azure to support the Dutch New Pension Law. The platform replaced a legacy on-premise Oracle system and now handles secure data exchange across financial institutions, government bodies, and internal systems — with mTLS, OAuth2, and Sivi-standard messaging built in.
Technologies: Kotlin, Azure Functions, Azure Service Bus, Event Hubs, Cosmos DB, Key Vault, Spring Boot, Spring Cloud Function, OAuth2, mTLS, Azure DevOps
MockNest Serverless — AI-Powered Mock Runtime
Role: Creator & Maintainer · 2026–Present
A serverless, WireMock-compatible mock runtime for AWS with AI-powered mock generation using Amazon Bedrock. Winner of the Creative Track Award in the AWS 10,000 AIdeas 2026 Competition.
Technologies: Kotlin, AWS Lambda (SnapStart), Amazon S3, Amazon Bedrock (Nova Pro), SQS, API Gateway, AWS SAM, Koog Agent, Kiro
See more on the Open Source page →
PostNL — Automated Parcel Processing
Role: Senior Solution Software Engineer (Kotlin) · 2021–2022
Built an event-driven serverless system on AWS that automated parcel processing and resource allocation using real-time IoT data. The platform enabled smarter route planning and reduced resource waste across PostNL’s delivery network.
Technologies: Kotlin, AWS Lambda, EventBridge, S3, DynamoDB, SNS, SQS, AppSync, CloudFront, Location Services, AWS CDK
Bol.com — Customer Accounts & Internationalization
Role: Senior Software Engineer · 2019–2021
Delivered customer account enhancements (invoicing, debt tracking, order history) and internationalized both accounts and communication systems to support Bol.com’s expansion into Belgium — all while ensuring PII compliance across regions.
Technologies: Kotlin, Java, Spring Boot, Google Cloud Platform, Kubernetes, Cloud Datastore, BigQuery, GraphQL, REST
KPN — Telecom Platform Integration & Modernization
Role: Lead Software Engineer / Solution Designer · 2013–2019
Led the integration of Telfort’s fiber and copper infrastructure into KPN’s platform, enabling seamless customer migration and new order processing. Replaced legacy billing systems with KPN’s modern billing platform, improving reliability for thousands of customers.
Technologies: Java, Spring Boot, PostgreSQL, Oracle, Kubernetes
Earlier Experience (2000–2013)
Senior Java Backend Developer, various roles — focused on Java backend development, REST APIs, and enterprise integrations across e-commerce, logistics, telecoms, airlines, and the energy sector.
LinkedIn Recommendations
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