Colin Stiemsma

Colin Stiemsma

Product Owner
Pijnacker, NL.

About

Adaptable and resourceful Product Owner with a diverse background spanning hospitality, web development, renewable energy, and legal‑tech. Proven ability to bridge technical and business domains, fostering innovation, user‑centric solutions, and efficient product delivery.

Work

Firm24
|

Product Manager (Software) / Product Owner

Amsterdam, North Holland, Netherlands

Summary

Product Owner for the Firm24 software platform. I translate business and customer needs into concrete product features, working closely with developers, designers and stakeholders to ship new functionality and improve existing processes.

Eqty / LTO Network
|

Frontend Developer

remote, Netherlands

Summary

Part of the development team with a focus on frontend. I worked on the Ownables SDK (React), maintained the websites lto.network and ownables.info, and was involved in building the native app in React Native. Alongside my technical work, I introduced an agile workflow to improve collaboration and focus within the team.

Hallostroom
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Web Application Developer

Gouda, South Holland, Netherlands

Summary

CRM specialist with Zoho as the central platform. I built new modules in Zoho CRM, designed workflows and developed custom applications in Zoho Creator. I also set up integrations with HubSpot and Steam, and helped guide the migration from Google Workspace to Microsoft 365.

Skiss
|

Software Application Engineer

Rotterdam, South Holland, Netherlands

Summary

Software Engineer focused on web applications and custom CRM solutions. I built and maintained modules, handled first-line customer support, and contributed to internal training programs. On the technical side, I worked on business process optimisation: building web and PWA applications for contact management, quotes, field scheduling and payroll, using Angular, NodeJS, TypeScript, Google Cloud and Firebase.

Sharingbox Netherlands
|

Project Manager

The Hague, South Holland, Netherlands

Summary

Sharingbox creates photo marketing concepts for events worldwide. Working under the managing director, I was responsible for configuring the photobooth software and setting up event configurations. I also coordinated installers, provided on-site technical support during installations and events, and supported the team on ICT matters and concept development.

Nespresso (Nestlé Nespresso SA)
|

Assistant Manager

The Hague, Amsterdam, Eindhoven, Netherlands

Summary

As manager across several Nespresso boutiques in the Netherlands, I was responsible for day-to-day operations: scheduling, stock management and coaching the team. Each week I analysed results to set targets and keep performance on track.

Espreszobar
|

Owner

The Hague, South Holland, Netherlands

Summary

Founded and operated small legal‑services‑themed hospitality business in The Hague.

Skills

Product Management

roadmapping, user stories, stakeholder communication.

Web Application Development

full‑stack basics, performance optimization.

Hospitality Management

customer service, operations, team leadership.

Frontend Development

JavaScript, web applications, UI/UX, Vue.js, Angular, Typescript.

Education

Hotel school
The Hague, The Netherlands

HOM (Horeca, Ondernemer, Manager)

Aloysius College
The Hague, Netherlands

MAVO