Senior Full-Stack UI Engineer (remote/onsite)

BeamNG GmbH

23h • Remote

About The Position

We are focused on creating a state-of-the-art, real-time, soft-body physics engine and making it widely available for entertainment and simulation purposes. Our most widely known product is our game BeamNG.drive, which is now available on Steam in Early Access.
In order to support our ongoing and future development plans, we are seeking an experienced Senior Full-Stack UI Engineer with a focus on Vue3 and Lua for our development team, who will support us in finishing the game.
Why this role exists
We are in the process of enhancing and modernizing our in-game user interface. This interface utilizes web technologies within the game, all while adhering to "game-like" limitations, including real-time data handling, stringent responsiveness standards, enduring session durations, and diverse input/navigation methods beyond just mouse and keyboard.
We seek a senior engineer with a strong foundation in web fundamentals (such as browser and renderer behavior, JavaScript runtime, and performance) who can communicate effectively and dependably within a small team.
Technologies and tools you will engage with (overview)
Frontend: Vue 3 SFCs using Composition API, JavaScript, SCSS.
UI “backend”: Lua extensions are the source of truth. UI should mostly render and forward user intent.
Realtime data: discrete events + high-frequency data streams (telemetry) for frequent/authoritative updates.
Input & navigation: scoped navigation and gamepad/keyboard-first UI, backed by engine input bindings (ActionMaps).
Bridge layer: a JS↔engine bridge used for calling Lua, receiving hooks/events, and managing stream subscriptions.
What to anticipate (in the initial stages)
You’ll pick up a meaningful migration area and ship improvements incrementally (not a big-bang rewrite).
You’ll spend time profiling and fixing real UI performance/stability problems (we care about 60 FPS feel and long-session reliability).
You’ll learn the bridge, data flow, and navigation/input patterns, and start owning a feature area while still helping across the UI when needed.
About you
Deep web fundamentals: strong understanding of browser rendering (layout/paint/compositing), the JS runtime (event loop, GC), and how to diagnose performance issues with real tools (performance + memory profiling).
Proven performance experience: you’ve shipped UI where performance mattered (large UI surface, frequent updates, long-running sessions) and can explain the trade-offs you made.
Strong JavaScript: pragmatic, readable code; understands costs of allocations, reactive churn, and excessive DOM work.
Vue 3 expertise: Composition API, component architecture, reactive patterns, and debugging reactivity/performance issues.
Lua (basics): you’re not scared of Lua and can collaborate effectively with Lua specialists; you’re willing to learn the basics and follow Lua-first architecture.
Small-team mindset: reliable follow-through, comfortable with both “interesting problems” and routine work.
Platform awareness: you can think about performance and reliability across targets from high-end PCs down to Steam Deck.
Excellent communication skills in English, able to convey complex information in a clear and suitable manner to a diverse audience

Requirements

• Deep web fundamentals: strong understanding of browser rendering (layout/paint/compositing), the JS runtime (event loop, GC), and how to diagnose performance issues with real tools (performance + memory profiling).
• Proven performance experience: you’ve shipped UI where performance mattered (large UI surface, frequent updates, long-running sessions) and can explain the trade-offs you made.
• Strong JavaScript: pragmatic, readable code; understands costs of allocations, reactive churn, and excessive DOM work.
• Vue 3 expertise: Composition API, component architecture, reactive patterns, and debugging reactivity/performance issues.
• Lua (basics): you’re not scared of Lua and can collaborate effectively with Lua specialists; you’re willing to learn the basics and follow Lua-first architecture.
• Small-team mindset: reliable follow-through, comfortable with both “interesting problems” and routine work.
• Platform awareness: you can think about performance and reliability across targets from high-end PCs down to Steam Deck.
• Excellent communication skills in English, able to convey complex information in a clear and suitable manner to a diverse audience

Nice To Haves

• Experience with embedded browser UIs / game UIs / realtime dashboards / telemetry-heavy UIs.
• Knowledge of input systems.
• Familiarity with C/C++ or engine integration concepts (even if you don’t write engine code daily).
• Experience migrating legacy UI systems incrementally (keeping features shipping while modernizing).
• Experience setting up practical UI testing/automation (wishlist for us; currently mostly manual).

Responsibilities

• Build UI features end-to-end: implement Vue UI, define clean UI↔Lua contracts, and collaborate with Lua specialists (you can handle basic Lua glue when needed).
• Make UI fast and stable: profile and optimize rendering/layout/update frequency to reach a 60 FPS feel where it matters, and keep long-running sessions leak-free.
• Keep business logic in Lua: keep Vue focused on presentation and simple UI state; avoid moving backend logic/data conversions into JS.
• Work with real-time data: design UI that stays responsive while receiving frequent updates from the game/simulation.
• Own navigation/input correctness: integrate scoped navigation and UI event handling so screens behave correctly with gamepad/keyboard and don’t leak inputs to parent scopes.
• Improve developer experience: small, practical improvements to tooling/pipelines, debugging helpers, and performance instrumentation.
• Support the team: review code, help juniors grow, and keep quality high without over-engineering.

Benefits

• Flexible working hours
• Language courses
• Talent development program (training budget, participation in seminars/conferences, and etc)
• Personal development program (feedback, leadership, conflict engagement, etc)
• Budget for home office
• Parental leave
• Employee assistance program
• Relocation assistance (if applicable)

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 51-100 employees