49,098 C++ jobs
Open roles that use C++ — systems, games and performance-critical code.
Software Engineering Manager - Engine Networking
Leads Roblox's Engine Networking team, which delivers real-time game state and content for seamless multiplayer experiences to millions of daily players. The manager owns roadmaps end to end, stays hands-on with C++ coding and architecture review, and hires and coaches engineers building low-latency networking at massive scale.
Principal Software Engineer - Avatar Personalization
Principal engineer on Roblox's Avatar Personalization team, building avatar creation and customization features (animation, clothing, hair, shading) directly in the Roblox game engine using C++ and Lua, with technical leadership and cross-team architectural work at scale for tens of millions of users. Onsite in San Mateo Tue-Thu.
Senior Software Engineer, Creator Services Translation
Senior engineer on Roblox's Creator Services Translation team, designing and building highly scalable distributed backend systems for the localization pipeline (text, image, audio detection, translation, serving, rendering). Full-stack work spans client, game engine, backend services, and ML models, using C#, C++, Go, or Python with microservices.
Senior Software Engineer
ABOUT SIOUX Sioux is a strategic high-tech solutions provider that develops, innovates and assembles complex high-tech systems We have a team of over 1,200 dedicated engineers who either support our clients or serve as…
Principal Software Engineer, Build
Principal engineer on Roblox's Build Surfaces team, leading end-to-end development of AI-assisted creator tools across Roblox Studio and the app — text-to-game generation, iteration, monetization, and analytics — while mentoring engineers. Primarily works in React, Luau, and occasionally C++.
Senior Software Engineer, Creator Collaboration
Designs and builds large-scale services for creator collaboration at Roblox, including the real-time Team Create product and the Creation Platform APIs that AI agents access via MCP. Full-stack work in C#, C++, Java, or Python, with emphasis on scale, architecture, and mentoring other engineers.
Principal Software Engineer, App Performance
Principal engineer on Roblox's Consumer App Performance team, driving stability and performance across the cross-platform C++ game engine and client codebase on mobile, desktop, and console — profiling bottlenecks, mitigating crashes and hangs, and building monitoring and CI/CD guardrails to prevent regressions.
Software Engineer, Engine Scalability
Software Engineer on Roblox's Engine Scalability team, building C++ 3D engine systems for avatars and environments — mesh processing, LOD, streaming, and performance work so high-fidelity multiplayer worlds run smoothly on phones and low-end devices. Hybrid onsite in San Mateo, CA (Tue–Thu).
Principal Software Engineer, Engine Systems
Principal engineer on Roblox's Engine DataModel team, owning the core data structures, C++ reflection bindings behind the Luau API, and serialization that form the backbone of the Roblox engine. Day to day is high-performance systems-level C++ work that must run well across desktop, mobile, and console clients, based hybrid (3 days/week) in San Mateo, CA.
Senior Software Engineer, Engine Harmony
Senior engineer on Roblox's Game Engine Systems team writing C++ engine code that harmonizes CPU, memory, and bandwidth resource usage so gameplay runs well across devices — from mobile clients to cloud servers — with optimization work to improve player engagement.
Senior Software Engineer, Runtime
Owns the concurrency core of the Roblox game engine — the task scheduler, fiber runtime, and async APIs. Day to day: building and optimizing C++ engine primitives, debugging production failures across PC, Mac, mobile, and console, and advising other engine teams. Core tech: modern C++, multithreading, and low-level performance work.
Principal Software Engineer - Streaming
Principal engineer on Roblox's Engine Networking team, building the real-time network transport layer that synchronizes game state across millions of players on desktop, mobile, and console clients. Core work is systems-level C++ on a user-space network stack, optimizing latency, throughput, congestion control, and OS-level performance on Linux.
Principal Software Engineer - Service Networking
Principal engineer on Roblox's Service Mesh team: sets technical direction and does hands-on development of Envoy/Istio-based service-to-service networking across Kubernetes, Nomad, and cloud environments, partnering with Security and Compute teams while mentoring senior engineers.
Senior Software Engineer, Video Rendering
Senior engineer on Roblox's Video Team building video capture, encoding, playback, and rendering for the Android platform using C++ and NDK APIs like Vulkan and AMediaCodec, with opportunities to contribute across desktop, console, web, and backend microservices.
Software Engineer, Creator Services Communication
Builds the communications plane for the Roblox platform — cross-server messaging, developer HTTP/teleport APIs, and compute functions — solving distributed-systems and networking problems at many-million-player scale. Full-stack work spans the C++ engine, C# services, Kafka/Flink, Redis/Elasticsearch/Clickhouse, and React UIs. Onsite Tue–Thu in San Mateo.
Principal Network Security Engineer
Principal engineer on Roblox's Network Security pod: identifies vulnerabilities across a global network of data centers and public clouds, designs and builds high-performance protective systems (proxies, load balancers, firewalls, IDS/IPS), and provides security design reviews. Core stack: Golang/C++, TCP/UDP/DNS, DPDK/eBPF.
Partner Solutions Engineer, gTech Ads Sellside, Global Exchange Platforms
Client-facing solutions engineer on Google's gTech Ads Sellside team, supporting programmatic bidding partners (DSPs, mobile ad networks, e-commerce bidders) on Authorized Buyers, Open Bidding, and SDK Bidding — running technical onboardings, debugging SDK/protocol integrations, and building validation tooling. Stack spans Python/Java/Kotlin/Swift/C++, SQL/BigQuery, and OpenRTB.
达摩院-CPU/AI 系统架构与建模工程师 / 架构师-RISC-V及生态
岗位介绍：从系统全局及端到端性能视角，参与 CPU、AI 及异构计算 SoC 的架构定义与优化。通过性能建模、真实工作负载分析和性能验证，识别系统瓶颈、探索新架构，并为芯片性能、能效及资源配置提供量化决策依据。 工作职责： 1.性能模型开发：根据架构研究和项目需求，从零设计、搭建和维护 CPU、AI 加速器及 SoC 子系统的性能模型，包括高层次性能模型（High-Level Performance…
Senior Software Engineer, Content Understanding
Senior full-stack engineer on Roblox's Content Understanding Platform, building scalable backend systems and ML pipelines that process billions of assets (3D models, audio, text, video) to power search, discovery, moderation, and generative AI features. Stack spans Python/C#/C++/Java, cloud backends, PyTorch/TensorFlow, and some React/Angular.
Software Engineer, Engine Productivity
Builds and maintains the test infrastructure keeping Roblox's engine code healthy — code-coverage reporting, cross-platform unit-test harnesses (including PS4/5), the ReferenceClient, and the buck2 test system. Core stack is C/C++ with Python for tooling and data pipelines.