I am a versatile Software Engineer with 15 years of experience in software engineering, team leadership, and technical consulting. Throughout my career, I’ve thrived at the intersection of technology and people, embracing diverse roles that showcase my adaptability and passion for problem-solving and knowledge sharing. I’ve contributed as a full-stack engineer delivering impactful web, app, and data features; collaborated with clients as a solution architect, devising tailored strategies to address complex challenges; and served as a consultant and technical product owner, balancing stakeholder priorities and guiding roadmaps to successful outcomes. On a personal level I am driven by a passion for building innovative solutions and empowering others through knowledge sharing. My enthusiasm for tackling challenges and fostering collaboration fuels my energy and dedication to delivering exceptional results.

Niels Mokkenstorm

I am a versatile Software Engineer with 15 years of experience in software engineering, team leadership, and technical consulting. Throughout my career, I’ve thrived at the intersection of technology and people, embracing diverse roles that showcase my adaptability and passion for problem-solving and knowledge sharing. I’ve contributed as a full-stack engineer delivering impactful web, app, and data features; collaborated with clients as a solution architect, devising tailored strategies to address complex challenges; and served as a consultant and technical product owner, balancing stakeholder priorities and guiding roadmaps to successful outcomes. On a personal level I am driven by a passion for building innovative solutions and empowering others through knowledge sharing. My enthusiasm for tackling challenges and fostering collaboration fuels my energy and dedication to delivering exceptional results.

Available to hire

I am a versatile Software Engineer with 15 years of experience in software engineering, team leadership, and technical consulting. Throughout my career, I’ve thrived at the intersection of technology and people, embracing diverse roles that showcase my adaptability and passion for problem-solving and knowledge sharing.

I’ve contributed as a full-stack engineer delivering impactful web, app, and data features; collaborated with clients as a solution architect, devising tailored strategies to address complex challenges; and served as a consultant and technical product owner, balancing stakeholder priorities and guiding roadmaps to successful outcomes. On a personal level I am driven by a passion for building innovative solutions and empowering others through knowledge sharing. My enthusiasm for tackling challenges and fostering collaboration fuels my energy and dedication to delivering exceptional results.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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Language

Dutch
Fluent
English
Advanced
Japanese
Beginner
Spanish; Castilian
Beginner

Work Experience

Freelance Software Engineer & Consultant at Mokkenstorm Technology
February 1, 2019 - Present
As the sole member of Mokkenstorm Technology, I have worked on diverse projects ranging from MVP development for startups to large-scale system design for established businesses. My focus includes collaborating with non-technical founders to validate and refine business ideas through prototypes and iterative development, experimenting with modern technologies such as Typescript, GraphQL, React & React Native, Vue, Next.js, Nest.js, PHP, Laravel and Rust, and building and mentoring agile development teams to ensure efficient project delivery.
Software Engineer at HEMA BV
February 1, 2024 - Present
As part of the Core Services team at HEMA, I help deliver API integrations and highly available distributed messaging services to support various infrastructure, logistics and customer-facing processes within the retail space. I also provide data and analytics support for the web and app teams.
Consultant at Varias
October 1, 2024 - August 11, 2025
Provided consultancy services focusing on technical excellence and aligning engineering efforts with business goals following my tenure as CTO. Key responsibilities included balancing stakeholder needs and delivering customized solutions.
Co-founder & Chief Technology Officer at Varias
September 1, 2023 - August 11, 2025
Directed a 20-member engineering team, overseeing hiring, mentoring, and career development, which improved retention and productivity. Defined and executed the company’s technical roadmap prioritizing scalable architectures and modern tech stacks. Acted as primary technical advisor for high-profile clients and spearheaded development projects such as a sports app for Clean Nutrition and financial dashboarding for Summa Technologies. Supported pre-sales with technical insights and solution architecture.
Lead Full Stack Software Engineer at Fortel Media
February 1, 2019 - August 11, 2025
Led a team developing new features for a high-traffic legacy codebase and set up a successful international real-time IVR system using websockets and VOIP protocols.
Full Stack Software Engineer at Fortel Media
July 1, 2018 - August 11, 2025
Worked on a large legacy codebase focusing on designing and developing new features as part of a team.
Software Engineer at CODE Internet Applications
January 1, 2018 - August 11, 2025
Worked as a software developer for a variety of agency clients. Transitioned from PHP and jQuery development to full stack roles involving React and Vue.
Software Engineer at Winkel
May 1, 2016 - August 11, 2025
Part-time backend developer during studies, working on an existing Magento system primarily implementing Google Analytics, importing and analyzing data, and making minor improvements.
Freelance Software Engineer & Consultant at Mokkenstorm Technology
February 1, 2019 - Present
As the sole member of Mokkenstorm Technology, I worked on diverse projects ranging from MVP development for startups to large-scale system design for established businesses. Collaborated with non-technical founders to validate and refine business ideas through prototypes and iterative development. Experimented with modern technologies including Typescript, GraphQL, React & React Native, Vue, Next.js, Nest.js, PHP, Laravel and Rust. Built and mentored agile development teams to ensure efficient project delivery.
Software Engineer at HEMA BV
February 1, 2024 - Present
Part of the Core Services team, helped deliver API integrations and highly available distributed messaging services to support various infrastructure, logistics, and customer facing processes within the retail space. Also provided data and analytics for the web and app teams.
Consultant at Varias
October 1, 2024 - August 11, 2025
Provided consultancy services following a tenure as co-founder and CTO. Continued to drive technical excellence and alignment with business goals.
Co-founder & Chief Technology Officer at Varias
September 1, 2023 - August 11, 2025
Directed a 20-member engineering team overseeing hiring, mentoring, and career development, improving team retention and productivity. Defined and executed the company's technical roadmap focused on scalable architectures and modern tech stacks. Acted as primary technical advisor for high-profile clients, balancing stakeholder needs and delivering customized solutions. Spearheaded development of multiple projects including a sports app and financial dashboarding. Supported pre-sales with technical insights, securing new clients.
Lead Full Stack Software Engineer at Fortel Media
February 1, 2019 - August 11, 2025
Led a team designing and developing new features within a large legacy codebase with high web traffic. Set up an international real-time IVR system using websockets and VOIP protocols.
Full Stack Software Engineer at Fortel Media
July 1, 2018 - August 11, 2025
Worked on legacy codebase focusing on designing and developing new features alongside a team.
Software Engineer at CODE Internet Applications
January 1, 2018 - August 11, 2025
Developed software for a variety of agency clients, initially working with PHP and jQuery then transitioning to full stack development involving React and Vue.
Software Engineer at Winkel
May 1, 2016 - August 11, 2025
Worked part-time during studies as back end developer maintaining an existing Magento system. Tasks included implementing Google Analytics, importing and analyzing data, and minor improvements.

Education

Foundational coursework in Computer Science & Engineering at TU Delft
January 1, 2014 - August 11, 2025
Coursework in Computer Science & Engineering at TU Delft
January 1, 2014 - December 31, 2014

Qualifications

Shopify Partner
May 1, 2023 - August 11, 2025
Certified Laravel Developer
August 1, 2020 - August 11, 2025
Artic Code Vault Contributor
February 1, 2020 - August 11, 2025
Shopify Partner
May 1, 2023 - August 11, 2025
Certified Laravel Developer
August 1, 2020 - August 11, 2025
Artic Code Vault Contributor
February 1, 2020 - August 11, 2025

Industry Experience

Software & Internet, Retail, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
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