Tech Lead for Save the Children and Ramboll at Alten’s in-house department. Solely responsible for bringing web products to life — from understanding audience, communication, and design needs to shaping architecture, security, and full-stack development.
Leading teams, mentoring developers, and guiding clients through the process, with a clear grasp of both the technical and human sides of product development.
Java 
SpringBoot 
TypeScript 
React 
React Query 
MySQL 
Docker 
AWS Logistics Manager & Web Developer at Hug, one of Scandinavia’s leading humanitarian NGOs supporting Ukraine. Contributed to the organization’s rapid growth by coordinating large-scale aid logistics with partners like Volvo, Bygg-Göta, and Svenska Kyrkan.
Contributing on multiple fronts, also led the development of Hug’s official website, hug.ngo, boosting the organization’s presence and public engagement.
JavaScript 
Stripe 
WebFlow 
Figma 
Alten Consultant Frontend Developer at SKF’s IoT platform team. Enhanced the integration app by delivering new features while addressing deep technical debt, instability, and bugs — removing blockers that had limited the backend-focused team’s ability to ship full-stack functionality
TypeScript React 
Redux Reselect 
Golang Alten Consultant Lead the development and reformation of the micro front end for ABB Robotics' next-generation IoT platform, alongside initiating an end-to-end department-wide architectural redesign.
The project had faced critical challenges, rooted in a substantial backlog of volatile architectural decisions. The front end therefore had both large technical debt but also a high level of complex responsibilities given the array of challenges with the IoT services and their APIs.
Typescript React React Query 
Node.js 
GraphQL MySQL 
MongoDB 
Kubernetes Docker 
Azure 
Azure DevOps Lead front end development for Bobby Digital Studios in a phase of expansion, delivering the next generation of their flagship product Hivemind, a custom CMS type of service providing tailored websites, mobile and desktop applications for customers like Essity, Dentsply, and Haglöfs.
React React Native Redux 
Apollo GraphQL Node.js AWS Docker Kubernetes 
Gitlab CI As a means of flexible income Jona has throughout the years taken on occasional client for web / app work.
React React Native AWS Lambdas Node.js 
Gatsby 
Netlify CMS 
Angular 
Ionic The boutique synthesizer brand Cwejman Sound, led by Wowa Cwejman needed assistance, from coming up with new products to optimising production and workflow.
Autodesk Fusion360 
KiCad React Providing globally leading connectivity solutions for public transportation, Icomera wanted to explore a new type of application easing the connectivity process.
Linux Node.js Express.js Angular Ionic