Software Engineer & Founder

Projects

Celestial Rift· Pixel-art roguelike

A pixel-art bullet heaven for PC where a cosmic casino sends its monsters through the Rift. Survive the horde, stack ridiculous builds, gamble at honest(ish) odds and take on the House itself. Upcoming on Steam.

• 28 evolving weapons, 20 runes and 66 stacking items
• 16 heroes, each with a signature trick
• Six dimensions with their own weather, events and music
• Five headline bosses and a final fight against the House
• Double or Nothing, slot machines and rift roulette

C#UnityURPPythonNumPyFFmpeg

EternalClient· MMO automation client

A high-performance automation client for a popular MMO with an extensive script API, unlimited instances, packet and injection interaction modes, a low CPU/memory footprint and remote monitoring.

• Extensive script API for fast bot development
• Unlimited concurrent instances per machine
• Packet and injection interaction modes
• Cross-platform: Windows, Linux and macOS
• Remote monitoring & CLI launchable

JavaTypeScriptNext.jsPostgreSQLDocker

HoltWalker· MMO pathfinding API

A high-performance pathfinding API for a popular MMO. Resolves optimal routes across every zone and level, honoring quest, skill and item requirements as it walks.

• Requirement-aware routing (quests, skills, items)
• 12,000+ transport links: doors, teleports, shortcuts
• Full coverage of 327M tiles across the game world
• Bank locator with top-5 ranked results
• Wilderness avoidance & batch REST queries

GoRedisDockerPrometheusGrafana

Professional Experience

1. Doubleflow

   Software Developer · Stockholm

   Sep 2021 – Sep 2026

   Intern Sep–Nov 2021, then full-time

   • Led the rebuild of the company's web platform onto a modern ASP.NET Core stack, driving the migration to FastEndpoints and newer .NET versions
   • Rebuilt the legacy game-building system into a visual scripting tool in Blazor, letting non-developers create interactive games, quizzes and training experiences without writing code
   • Built the client-side system that renders and plays those experiences back to users in real time
   • Built operator tooling for customer onboarding, role-based permissions and usage reporting
   C#ASP.NET CoreBlazorFastEndpointsSQL

Independent Ventures

1. Celestial Rift

   Solo Game Developer · Indie

   Mar 2026 – Present

   Upcoming on Steam

   • Designing, building and marketing a pixel-art action roguelike for PC in Unity and C# as the sole developer
   • Built 28 weapons with evolutions, 20 runes, 66 items, 16 heroes, 36 monsters, 6 boss fights and a raid across 6 dimensions
   • Kept hundreds of enemies on screen at once with pooled, struct-based projectile and VFX systems
   • Built a synthesizer and composition engine in Python behind every sound effect and the full soundtrack
   • Built a headless test harness where a bot plays full runs, and a balance benchmark that measures every weapon across parallel headless builds
   • Produced the trailer and Steam store art from scripted 60 fps gameplay capture, with original music made on the game's own synthesizer and every shot timed to the beat
   
   C#UnityURPPythonNumPyFFmpeg

2. EternalClient

   Founder & Software Engineer · Self-employed

   Mar 2023 – Apr 2026

   • Founded and shipped a cross-platform desktop application for Windows, Linux and macOS
   • Built the web platform and marketplace in TypeScript, React and Next.js, where third-party developers listed and sold their work
   • Designed a high-performance pathfinding service serving up to 13 million requests per month
   • Built the licensing and authentication system securing communication between client and server
   • Automated build, testing and release so updates reached users without manual installs
   JavaTypeScriptReactNext.jsGoDocker

3. LostClient

   Founder · Self-employed

   Dec 2019 – Oct 2023

   • Built and ran an automation platform for a large online game, giving players a scripting API to build their own tools
   • Grew it to over 3 million sessions and roughly 20 million hours of runtime
   • Built the licensing, authentication and usage analytics behind it, shaping the roadmap from community feedback
   JavaMySQLRedis

Let's Connect

Looking for new opportunities in full-stack and backend engineering, technical ownership, or founding roles. Particularly interested in performance-critical systems, developer tooling, and products with real users at scale.