Tim Haselaars
Senior Product Manager at TrendMiner
Limburg, Belgium
Summary
👤
Senior🎓
Top SchoolTim Haselaars is a senior product manager with 11 years of experience building web, e-commerce and cloud-native products across startups and scaleups in Belgium. He’s led API-first and PLG-focused initiatives at Apideck and Selligent, launched customer-driven early-access programs with major brands, and currently drives product at TrendMiner. Tim combines formal project management certifications (PRINCE2, CSM) with hands-on technical fluency in API design and integrations, enabling him to bridge engineering, design and commercial teams. He has a track record of taking products from concept to acquisition—most notably scaling Parcify from MVP to acquisition by Bpost—and of turning devops and delivery platforms into self-service offerings. Known for a pragmatic, feedback-driven approach, he often launches early-access pilots to validate roadmap bets before broad rollout. Based in Limburg, he pairs structured delivery methods with startup agility to accelerate time-to-value.
10 years of coding experience
18 years of employment as a software developer
Bachelor, Toegepaste Informatica, Bachelor, Toegepaste Informatica at Hogeschool PXLBachelor's degree, Information and Communication Technology, Bachelor's degree, Information and Communication Technology at Provinciale Hogeschool Limburg
Dutch, English, French
Github Skills (200)
testing10
swagger10
oas10
automation10
linter10
openapi10
integration-testing10
quickbooks10
catalog10
api10
inject10
api-blueprint10
editors10
frontend10
converting10
Programming languages (14)
Github contributions (5)
thim81/spec-driven-openapi-contract-performance-testing
Feb 2024 - Mar 2025
POC for Unlocking the Power of Spec-Driven API Development
Contributions:83 PRs, 104 pushes, 75 branches in 1 year 2 months
contract-testingopenapiperformance-testingpostmanrest-api
thim81/openapi-format
Mar 2021 - Nov 2022
Format an OpenAPI document by ordering, formatting and filtering fields.
Contributions:64 releases, 13 reviews, 43 commits in 1 year 8 months
openapi-toolsopenapi-fieldsswaggerorderingopenapi-document
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