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I’m a senior mobile engineer and fractional CTO with 10+ years of experience building, scaling, and leading high-quality mobile products for startups and established brands. My background is deeply rooted in mobile development, with a strong focus on Flutter in recent years, complemented by previous experience in native Android and iOS. I’ve worked on consumer-facing apps used by hundreds of thousands of users, ranging from media platforms and lifestyle apps to fintech, EV charging, healthcare, and IoT-driven products. What sets me apart is that I don’t just write code, I think in products, teams, and long-term impact. As a Tech Lead, CTO, and freelance developer, I’ve been responsible for architectural decisions, technical roadmaps, stakeholder communication, and mentoring developers, while staying hands-on with the codebase. I’m comfortable operating at both startup speed and enterprise-level complexity. Clients value me for my ability to translate business goals into scalable technical solutions, keep teams aligned, and deliver maintainable software that lasts beyond the first release. Whether you need a senior developer to strengthen your team or a fractional CTO to guide technical strategy and execution, I bring clarity, ownership, and momentum.…I’m a senior mobile engineer and fractional CTO with 10+ years of experience building, scaling, and leading high-quality mobile products for startups and established brands. My background is deeply rooted in mobile development, with a strong focus on Flutter in recent years, complemented by previous experience in native Android and iOS. I’ve worked on consumer-facing apps used by hundreds of thousands of users, ranging from media platforms and lifestyle apps to fintech, EV charging, healthcare, and IoT-driven products. What sets me apart is that I don’t just write code, I think in products, teams, and long-term impact. As a Tech Lead, CTO, and freelance developer, I’ve been responsible for architectural decisions, technical roadmaps, stakeholder communication, and mentoring developers, while staying hands-on with the codebase. I’m comfortable operating at both startup speed and enterprise-level complexity. Clients value me for my ability to translate business goals into scalable technical solutions, keep teams aligned, and deliver maintainable software that lasts beyond the first release. Whether you need a senior developer to strengthen your team or a fractional CTO to guide technical strategy and execution, I bring clarity, ownership, and momentum.

Thomas Middel

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I’m a senior mobile engineer and fractional CTO with 10+ years of experience building, scaling, and leading high-quality mobile products for startups and established brands. My background is deeply rooted in mobile development, with a strong focus on Flutter in recent years, complemented by previous experience in native Android and iOS. I’ve worked on consumer-facing apps used by hundreds of thousands of users, ranging from media platforms and lifestyle apps to fintech, EV charging, healthcare, and IoT-driven products. What sets me apart is that I don’t just write code, I think in products, teams, and long-term impact. As a Tech Lead, CTO, and freelance developer, I’ve been responsible for architectural decisions, technical roadmaps, stakeholder communication, and mentoring developers, while staying hands-on with the codebase. I’m comfortable operating at both startup speed and enterprise-level complexity. Clients value me for my ability to translate business goals into scalable technical solutions, keep teams aligned, and deliver maintainable software that lasts beyond the first release. Whether you need a senior developer to strengthen your team or a fractional CTO to guide technical strategy and execution, I bring clarity, ownership, and momentum.…I’m a senior mobile engineer and fractional CTO with 10+ years of experience building, scaling, and leading high-quality mobile products for startups and established brands. My background is deeply rooted in mobile development, with a strong focus on Flutter in recent years, complemented by previous experience in native Android and iOS. I’ve worked on consumer-facing apps used by hundreds of thousands of users, ranging from media platforms and lifestyle apps to fintech, EV charging, healthcare, and IoT-driven products. What sets me apart is that I don’t just write code, I think in products, teams, and long-term impact. As a Tech Lead, CTO, and freelance developer, I’ve been responsible for architectural decisions, technical roadmaps, stakeholder communication, and mentoring developers, while staying hands-on with the codebase. I’m comfortable operating at both startup speed and enterprise-level complexity. Clients value me for my ability to translate business goals into scalable technical solutions, keep teams aligned, and deliver maintainable software that lasts beyond the first release. Whether you need a senior developer to strengthen your team or a fractional CTO to guide technical strategy and execution, I bring clarity, ownership, and momentum.

Available to hire

I’m a senior mobile engineer and fractional CTO with 10+ years of experience building, scaling, and leading high-quality mobile products for startups and established brands.

My background is deeply rooted in mobile development, with a strong focus on Flutter in recent years, complemented by previous experience in native Android and iOS. I’ve worked on consumer-facing apps used by hundreds of thousands of users, ranging from media platforms and lifestyle apps to fintech, EV charging, healthcare, and IoT-driven products.

What sets me apart is that I don’t just write code, I think in products, teams, and long-term impact. As a Tech Lead, CTO, and freelance developer, I’ve been responsible for architectural decisions, technical roadmaps, stakeholder communication, and mentoring developers, while staying hands-on with the codebase. I’m comfortable operating at both startup speed and enterprise-level complexity.

Clients value me for my ability to translate business goals into scalable technical solutions, keep teams aligned, and deliver maintainable software that lasts beyond the first release. Whether you need a senior developer to strengthen your team or a fractional CTO to guide technical strategy and execution, I bring clarity, ownership, and momentum.

Skills

Flutter

Dart

Android

Experience Level

Flutter

Expert

Dart

Expert

Android

Expert

Language

English

Fluent

Work Experience

Senior Flutter Developer & Tech Lead (Freelance) at PINCH

September 1, 2024 - November 1, 2025

As a freelance Flutter lead, I handled technical decisions and architecture, performed hands-on Flutter development, and coordinated internal teams, clients, and external stakeholders. I supported teams with technical guidance and best practices across multiple projects, including NRC Puzzles and Novelist.

Chief Technology Officer (CTO) at Bloom Technologies

June 1, 2023 - June 1, 2024

Responsible for technical strategy, architecture, and stack decisions; operational responsibilities; coaching and mentoring developers; remained hands-on with Flutter development and project management.

Flutter Tech Lead at PINCH

September 1, 2017 - May 1, 2023

Joined as native Android developer and transitioned to Flutter; helped grow the Flutter team to 7 people; defined ways of working, development standards, recruitment and interviewing; mentored team members and provided technical leadership. Projects included Albert Heijn – My Lifestyle Coach (Flutter), Green Flux (Flutter), QMusic (Android), NRC News (Android), and Beat the Micro bead (Android).

Co-founder & Developer at Digital Safety Solutions

March 1, 2014 - July 1, 2020

Co-founded a company focused on digitizing safety workflows; developed native apps for Android, iOS, and Windows; designed scalable white-label architecture; published and maintained apps across multiple app stores.

Developer at UnitApp

August 1, 2014 - September 1, 2015

Built a CMS-driven mobile app platform enabling clients to manage content and modules without app updates; Android development with partial iOS; consumed REST APIs and translated dynamic back-end content into flexible mobile UI; created configurable, modular app structures.