Freelance Software Engineer & Game Developer. Shipped titles across PC, console, and mobile, including While the Iron’s Hot and Castle Doombad.…

Arnaud Planche

Freelance Software Engineer & Game Developer. Shipped titles across PC, console, and mobile, including While the Iron’s Hot and Castle Doombad.…

Available to hire

Freelance Software Engineer & Game Developer. Shipped titles across PC, console, and mobile, including While the Iron’s Hot and Castle Doombad.

Skills

Experience Level

TypeScript
Expert
C#
Expert
CSS
Expert
Unity
Expert
JavaScript
Expert
Docker
Expert
Python
Expert
AWS
Intermediate
.NET
Intermediate
C++
Intermediate
SQL
Intermediate
See more

Language

English
Fluent
French
Fluent

Work Experience

Lead Software Engineer at Bontemps Games
July 1, 2022 - Present
Directed development of a cross-platform Unity title (C#) shipped on Steam, PlayStation, Switch, and Xbox, reaching 500k+ players and earning a Very Positive rating on Steam. Led overall game design and implemented core gameplay systems, including the crafting and exploration loop. Built a custom 2D platformer physics system and an FSM-based villager AI. Designed and built the game’s full UI, from core flows to moment-to-moment gameplay screens. Created in-engine tools and pipelines that improved iteration speed for the whole team. Optimized performance across target devices, sustaining 60 FPS. Also contributed to Kingdom in Pieces with online matchmaking and a lobby system, and developed a chess-inspired tactical AI using Unity’s Job System. Rebuilt bontemps.games using React, TypeScript, and Tailwind with CMS content management and integrated newsletter/contact forms, increasing signups after site refresh.
Software Engineer (Contract) at Grumpyface Studio
August 1, 2024 - December 31, 2025
Castle Doombad: Free to Slay: Led the iOS build of a modern remake, now on the App Store with a 4.8 rating. Designed and implemented the Roguevenge mode, extended core gameplay systems for additional modes and live updates. Implemented in-app purchases and integrated into the UI and progression loop. Profiled, debugged, and resolved production issues via logs, stack traces, and profiling tools. Collaborated to build in-engine tools and iteration workflows enabling faster content updates.
Full-Stack Software Engineer (Volunteer) at French Fry Studio
March 31, 2025 - December 15, 2025
Built and maintained client-facing websites using React, TypeScript, and Tailwind CSS, implementing CMS-driven content and secure, spam-resistant forms, while improving SEO and conversions.
Marketing Director at Witbe
June 1, 2020 - July 1, 2022
Led the Witbox launch and Witbe’s corporate website redesign, shaping messaging and demos for global sales while managing engineers, designers, and writers to rebuild the site architecture and improve SEO, achieving first-place rankings for key industry terms and increasing inbound traffic.
Technical Integration Engineer at Witbe
April 29, 2018 - May 30, 2020
Built and maintained automated post-device test suites using Python and Witbe’s proprietary tools to validate real user journeys across web/apps and TV devices. Produced standardized results and quality metrics used for day-to-day monitoring as well as major launches and live events. Delivered dashboards that helped teams reconcile quality of service signals with the true quality of experience seen by end users.

Education

Bachelor of Science in Technological System Management at Stony Brook University
August 1, 2016 - May 1, 2020

Qualifications

Add your qualifications or awards here.

Industry Experience

Gaming, Software & Internet, Media & Entertainment
    paper While the Iron's Hot

    A cozy blacksmithing RPG published by Humble Games and released on PC (Steam), Nintendo Switch, PS4, PS5, and the entire Xbox ecosystem (including Game Pass)