Demo

Unreal Engine C++ Developer

VAILEXA
St Louis, MO Contractor
POSTED ON 7/8/2026
AVAILABLE BEFORE 8/6/2026

Job Title: Unreal Engine C Developer

Location: St. Louis (Hybrid 2-3 days onsite)

Duration: Through 12/31 (possibility of extension)

Key Responsibilities

Unreal Engine Development (C Focus)

  • Develop and implement application logic using Unreal Engine with C (not Blueprint-only)
  • Load and manage DLC/plugins containing large 3D asset libraries (aircraft, naval systems, civilian models, etc.)
  • Optimize and manage rendering of large-scale environments and dynamic assets
  • Implement level-of-detail logic (e.g., converting MASS entities to full actors based on range/visibility)

Simulation & Systems Integration

  • Implement and integrate simulation protocols including:
  • DIS (Distributed Interactive Simulation)
  • CIGI (Common Image Generator Interface)
  • OMS (Open Mission Systems)
  • Use protocol inputs to drive:
  • Actor positioning
  • Animation triggers
  • Real-time simulation behavior
  • Support proof-of-concepts and production implementations for simulation interoperability

User Interface & Data Visualization

  • Develop UI components to support:
  • Sensor data visualization
  • Lat/Lon grid overlays on 3D globe environments
  • User selections and highlighting
  • Implement multiple camera modes (e.g., cinematic, tracking, cockpit perspectives)
  • Build integrations to:
  • Export simulation data to external data science platforms
  • Consume input from external remote control/configuration systems

Networking & Multiplayer Systems

  • Implement Unreal Engine networking features:
  • Multiplayer replication
  • State synchronization across multiple simulation instances
  • Support real-time, synchronized simulation environments (e.g., multi-cockpit scenarios)

Simulation Features & Enhancements

  • Contribute to development of advanced simulation capabilities including:
  • Photogrammetry-based environments and 3D terrain (Cesium)
  • Building and infrastructure data integration
  • IR (infrared) sensor simulation and dynamic material responses
  • SAR (synthetic aperture radar) simulation
  • Weather systems and synchronized multi-environment conditions
  • Time-of-day and control integrations (e.g., HOTAS via CIGI)
  • Enhance realism and fidelity (lighting, shadows, materials, environmental effects)



Required Qualification

  • s3 years of hands-on experience with Unreal Engine development using C
  • Strong proficiency in C programmin
  • gExperience building interactive, real-time 3D application
  • sUnderstanding of
  • :Game engine architectur
  • eActor systems and scene managemen
  • tPerformance optimization in real-time environment
  • sAbility to work as a software engineer (not a 3D artist or designer


)

Hourly Wage Estimation for Unreal Engine C++ Developer in St Louis, MO
$46.00 to $59.00
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Unreal Engine C++ Developer?

Sign up to receive alerts about other jobs on the Unreal Engine C++ Developer career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$88,984 - $115,784
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$117,871 - $153,580
Income Estimation: 
$109,939 - $144,341
Income Estimation: 
$114,500 - $144,633
Income Estimation: 
$101,441 - $130,752
Income Estimation: 
$111,369 - $141,168
Income Estimation: 
$117,871 - $153,580
Income Estimation: 
$109,939 - $144,341
Income Estimation: 
$114,500 - $144,633
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at VAILEXA

  • VAILEXA Boise, ID
  • Position: Data Center Cable Technician (Copper Fiber Patching) Location: On-site, Boise, ID Type: Contract (6 months, possible extension) Positions Availab... more
  • 4 Days Ago

  • VAILEXA Brentwood, TN
  • Role- Network Architect Location: Brentwood, TN - Onsite Duration: 6 Months Active CCIE required or exam scheduled 5 years of true architect experience req... more
  • 4 Days Ago

  • VAILEXA Boise, ID
  • Position: Cable QA / Documentation Technician (DCIM Documentation & QA Coordinator) Location: On-site, Boise, ID Type: Contract (6 months, possible extensi... more
  • 2 Days Ago

  • VAILEXA Reno, NV
  • Job Title: Data Center Technician - L2 Location: Reno, NV Duration: 12 months Job Description: Perform rack, stack, and cable installation of servers, stor... more
  • 2 Days Ago


Not the job you're looking for? Here are some other Unreal Engine C++ Developer jobs in the St Louis, MO area that may be a better fit.

  • Catapult Solutions Group St Louis, MO
  • 4 months contract for an Unreal Engine C Developer in St. Louis, MO (hybrid 2-3 days onsite) ***We can Only consider US Citizens for this role*** Overview:... more
  • 5 Days Ago

  • Eliassen Group San Diego, CA
  • Description Hybrid: preference is 3 days, but flexible in frequency in San Diego, CA Our client seeks a seasoned Unreal Engine Developer to build developer... more
  • 7 Days Ago

AI Assistant is available now!

Feel free to start your new journey!