sven@sven-jens.nl
Available for new freelance or full-time roles
06 2434 5626 • Haarlem (Randstad)
Building scalable digital products with
I help companies build amazing digital products that users love and businesses thrive on. With over 10 years of hands-on experience, I turn complex technical challenges into simple, elegant solutions. Whether it's scaling your app to millions of users, implementing cutting-edge AI features, or building your next game-changing product from scratch – I've got you covered. I believe great technology should be invisible to users but transformative for your business.
Technical leadership: team building, coaching, roadmap & prioritization, stakeholder management
Architecture: scalable, modular (white‑label) platforms, integrations, API‑/event‑driven
AI & automation enablement: identifying use‑cases, integrating LLM/AI‑services in product flows, governance/quality
Full‑stack delivery: Next.js/React/TypeScript, Node.js, PHP/Symfony, GraphQL/REST
Cloud & reliability: AWS, Google Cloud, CI/CD, observability, security (OWASP)
Product sense: data‑driven choices, UX/marketing‑affinity, balancing speed ↔ quality
CLIQ Digital
Led technical strategy for streaming platform serving 5M+ users across North America, LatAm, and Europe, achieving 99.95% uptime and 60% faster content delivery.Built and scaled publishing team from 0 to 8 engineers, establishing recruitment processes, development workflows, and CI/CD pipelines that reduced deployment time by 80%.Spearheaded company-wide AI transformation: identified 15+ automation opportunities, delivered 8 production AI features, resulting in 60% reduction in manual processing time.Architected white-label platform enabling rapid market expansion—reduced partner onboarding from 6 months to 2 weeks through modular, scalable solutions.Collaborated cross-functionally with product, marketing, and compliance teams; implemented OWASP security standards, comprehensive monitoring, and performance optimizations achieving Core Web Vitals scores >90.
MyFreight
Developed end-to-end logistics platform serving 200+ freight forwarders and NVOCCs, processing $50M+ in monthly shipment value with integrated air and ocean freight operations.Built comprehensive supply chain visibility platform with real-time tracking, automated documentation workflows, and predictive analytics, resulting in 70% reduction of manual coordination.Implemented multi-tenant SaaS architecture supporting 15+ countries with localized compliance workflows, currency handling, and white-label branding for freight forwarders.
Gemeente Amsterdam
Developed digital permits checker processing 100,000+ permit applications annually, seamlessly integrating with national environmental portal (DSO) and reducing processing time by 80%.Enhanced application security and performance: implemented comprehensive unit testing (90%+ coverage), centralized logging, and resolved critical OWASP vulnerabilities, achieving A+ security rating.Delivered white-label solution with custom Vue components, enabling rapid deployment across multiple municipalities while collaborating with content, legal, UX, and technical stakeholders.
DEX
Designed and delivered full-stack catering expense platform from concept to production: mobile app, web dashboard, and payment gateway processing €500K+ monthly transactions.Led complete product lifecycle including business analysis, technical requirements, rapid prototyping, and production deployment with 99.9% uptime.Provided comprehensive client support including incident response, feature enhancements, and technical consultation, maintaining strong client relationships and 95% satisfaction scores.
Digital Scale-up
Enterprise Client
Growing Startup
We use cookies and analytics to improve your experience and understand how you interact with our site. Your privacy is important to us.