Senior UE5 C++ Gameplay Engineer

We are looking for a Senior UE5 C++ Gameplay Engineer. If you are looking to give your career a real boost with a global leader in digital transformation, EPAM is the perfect choice. If you'd like to learn more about this position and project, apply now. Responsibilities Design and develop UE5 C++ plugins and modules with runtime plugin architecture, including Build.cs configuration and module dependencies Implement real-time audio streaming systems using USoundWaveProcedural, including PCM buffering, resampling, sample-rate/audio-format handling, underrun mitigation, and latency tuning Integrate WebSocket and streaming protocols in C++ with persistent session management, JSON-based event protocols, reconnection strategies, and backpressure handling Integrate LLM / Conversational AI voice systems including TTS and STT, prompt and session design, turn-taking systems, and latency investigation/debugging Architect event-driven systems using decoupled delegates, event bus patterns, Unreal subsystems, and cross-system integration Implement MetaHuman runtime lip-sync systems, audio-to-viseme pipelines, and feed streamed audio into facial animation Work with embedded Lua scripting and a Lua-driven data and logic layer, including C++/Lua bridge architectures Perform audio and network debugging/profiling, including tracing raw protocol events and diagnosing audio quality, latency, and streaming issues Requirements Strong experience with UE5 C++ plugin/module development, runtime (non-editor) code, plugin boundaries, and integration patterns Proven expertise in real-time audio streaming in Unreal Engine (USoundWaveProcedural, PCM buffering, resampling, sample-rate and audio-format handling, underrun mitigation, and latency tuning) Hands-on experience with WebSocket / streaming protocol integration in C++, including persistent session management, JSON-based event protocols, reconnection strategies, and backpressure handling Experience with LLM / Conversational AI voice systems: TTS and STT integration, prompt and session design, turn-taking systems, and latency debugging Solid understanding of event-driven architecture: decoupled delegates, event bus patterns, Unreal subsystems, and cross-system integration Experience with MetaHuman integration, runtime lip-sync systems, audio-to-viseme pipelines, and feeding streamed audio into facial animation Proficiency with embedded Lua scripting, experience working with a Lua-driven data and logic layer, and familiarity with C++/Lua bridge architectures Strong audio and network debugging/profiling

skills:
tracing raw protocol events, diagnosing audio quality issues, and diagnosing latency and streaming issues Experience with libwebsockets is a plus Nice to have Experience with StateTree in Unreal Engine Background in gameplay systems and components Knowledge of multiplayer replication Proficiency with Blueprints Experience with animation systems

We offer
Diverse multicultural, multi-functional, and multilingual work environment Global scope, international projects in different business domains: life sciences and healthcare, retail, and distribution, software and hi-tech, etc. Outstanding career development opportunities with a transparent career path and a roadmap to accelerate your journey Great learning and development opportunities, including in-house professional training, career advisory and coaching, sponsored professional certifications Knowledge-sharing with colleagues from EPAM's global tech communities 25 days holiday per annum 5 days of sick leave without medical certification Private health insurance for employees and discount for private health insurance for family members Discount for Fit Pass program Comfortable modern offices in Belgrade and Novi Sad or remote work from any location in Serbia Regular corporate, social and wellbeing events (parties, sport events, advanced CSR programs etc.) The remote option applies only to the Candidates who will be working from any location in Serbia. EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, diverse community to help you discover your fullest potential. No less important is our applicants' safety, well-being, and experience. Therefore, until further notice, all EPAM employment interviews will be conducted remotely. Our recruitment professionals and hiring managers are standing by to ensure a robust and engaging virtual candidate experience. We look forward to speaking with you Thank you for your interest in this position. Please note that only candidates whose experience closely matches the job requirements will be contacted. If you do not receive an email from us, please do not be discouraged—feel free to apply for other positions that better align with your experience. If you have any questions, you can reach us at jobserbia@epam.com