Simulation Engineer - Multiplayer & Real-Time Networking

NestAi Oy; Helsinki; On-site; EUR 90,000 - 130,000; Full time

Benefits offered by this job

Healthcare

Flex benefit

Lunch benefit

Team lunches & events

Hardware choice: Mac or PC

Holiday pay

Phone benefit

Job summary

NestAI is building an open, modular simulation platform to test autonomy software at scale. You will join the Simulation Chapter to advance multiplayer capabilities across distributed agents, focusing on architecture, synchronization, and data flow.

Ideal candidates ship real multiplayer products, think long-term architecture, and thrive in large engineering teams, with cloud deployment experience as a plus.

Qualifications

• Deep experience building multiplayer and networked systems in a modern real-time engine (e.g., Unreal Engine 5).
• Track record of shipping real, live products, not just prototypes or client projects.
• Experience with real-time video or data streaming.
• Strong communication skills to work with many teams.
• Experience in larger engineering teams or organisations.

Responsibilities

• Design and build the multiplayer and networking architecture for multiple simulated agents in a shared environment.
• Keep simulated systems synchronised in real time as they scale across machines and agents.
• Own how data moves from the simulation to dependent systems.
• Help the simulation platform scale in the cloud.
• Collaborate with the Simulation chapter and other teams to keep the multiplayer environment realistic and useful.
• Shape platform direction as simulation needs grow.

Skills

Multiplayer systems

Real-time engine

Live product shipping

Cloud deployment

Communication

Team collaboration

Tools

Unreal Engine 5

Job description

NestAI is building an open, modular simulation platform to test autonomy software at scale. You will join the Simulation Chapter to advance multiplayer capabilities across distributed agents, focusing on architecture, synchronization, and data flow.

Ideal candidates ship real multiplayer products, think long-term architecture, and thrive in large engineering teams, with cloud deployment experience as a plus.