Portfolio of
DanielBornstrand
Software developer at GeoGuessr, building performance-critical web game features used by hundreds of thousands of daily players.
Highly autonomous full-stack developer who does whatever it takes to deliver user value. Tools and frameworks are only means to an end.
- Role
- Software Developer
- at GeoGuessr
- Experience
- 11 years
- since 2015
- Previously
- G-Loot, SBAB
- Local time
- Stockholm, Sweden
01Work
Selected work
A curated selection of projects that highlight my skills, process, and impact.
GeoGuessr
Professional · 02
Personal projects
Side projects · 03
Published music
Vocals · 02
Miscellaneous
Hobby · 01
02Experience
Curriculum vitae
– Present
5 yrs 1 mo
GeoGuessr
Software Developer, Stockholm, Sweden
Built and shipped performance-critical web game features used by hundreds of thousands of daily players. Worked in small, autonomous teams with full ownership of the stack, from frontend to backend, delivering complete features including 3D rendering, animations, sound design, and supporting infrastructure. Regularly used analytics to identify problems and guide development priorities.
- Next.js
- TypeScript
- C#
- .NET
- MongoDB
- Redis
- AWS
- DynamoDB
- Amazon Timestream
- Grafana
–
4 yrs 1 mo
G-Loot
Software Developer, Stockholm, Sweden
Developed payment systems and compliance infrastructure to safely pay out prize money to thousands of users worldwide. Handled GDPR and anti-money laundering requirements while building an OAuth2 authorization portal. Also built and shipped a cross-platform Electron desktop app that worked alongside the web platform in a high-pressure startup environment with tight deadlines.
- React
- Node
- Kubernetes
- Docker
- Electron
- Google Cloud Platform
- Postgres
–
2 yrs 9 mos
SBAB
Software Developer, Stockholm, Sweden
Built an Angular component library and modernized a large, decades-old monolithic web application by refactoring legacy code and removing circular dependencies. Integrated phone support systems with the web application to improve workflows for customer service teams.
- Angular
- Java
- React
- TypeScript
- Node