Top C++ Jobs in Atlanta, GA

Build and maintain developer workflows, CI/CD and deployment automation, containerized development environments, SDK packaging and release pipelines, AI performance dashboards, and productivity tools. Design scalable software and developer tools for novel hardware platforms, collaborate with hardware and ML teams, manage C++ codebases, establish engineering standards, and optimize software delivery and production readiness.

Develop and optimize SQL query processing for a distributed database operating across petabytes of data and hundreds of nodes. Responsibilities include parsing, validation, optimization, execution, performance analysis, debugging, code reviews, design discussions, testing, and collaboration with engineering and customer operations teams. The role also supports process improvement, knowledge sharing, and mentoring fellow engineers.

Design, implement, and optimize GPU software for LLM training using CUDA, WebGPU, and GLSL. Profile and tune GPU kernels and shaders for performance, and develop host-side integrations in C++. The contractor will complete output-based tasks, meet minimum weekly submission requirements, and begin work shortly after onboarding.

Create and evaluate rigorous hardware engineering problems based on realistic industry or research scenarios. Develop independently verifiable reference solutions using calculations, simulations, scripts, experiments, and engineering software. The role requires substantial hardware engineering, product development, systems integration, testing, validation, reliability, or failure analysis experience, plus demonstrated ownership of significant technical work and coding agent experience.

Build small game projects and interactive scenes in a major game engine for AI assessment tasks. Create realistic gameplay bugs and multifaceted feature challenges, write clear task briefs and success criteria, develop reference solutions, and conduct thorough playtesting. Candidates should have game development experience, a strong portfolio, proficiency in Unity, Godot, or Unreal, familiarity with relevant scripting languages, debugging skills, and strong technical writing ability.

Ensure quality assurance for warehouse automation software products and projects. Responsibilities include reviewing specifications, creating and executing test plans and cases, leading cross-product testing, documenting results, reporting anomalies, monitoring quality metrics, maintaining automated tests, supporting CI/CD, mentoring junior QA engineers, preparing training, and maintaining test environments across Linux and Windows.

Develops and executes software test cases for warehouse automation products, leads cross-product testing, documents defects, maintains automated tests, supports simulations and test environments, and provides technical and customer support. The role also assists with software commissioning, creates test plans, configures simulators, supports training, and may travel domestically and internationally up to 30%.

Lead development of scalable Java backend applications and high-availability cloud services. Design architectures, REST APIs, databases, caching systems, and distributed session infrastructure. Mentor engineers, drive technical initiatives, address performance and scalability challenges, and uphold quality and automation practices for endpoint management products.

Designs, analyzes, integrates, and tests RF, radar, sensor, and electromagnetic systems for defense and research prototypes. Responsibilities include RF architecture, component selection, prototype fabrication, laboratory measurements, troubleshooting, test automation, signal processing, and performance characterization. The engineer uses C++, Python, and RF instrumentation, collaborates across engineering disciplines, supports customer programs and proposals, and independently owns complex RF work packages from requirements through validation.

Owns end-to-end embedded engineering for rapid defense prototypes, including system architecture, FPGA design, PCB design, firmware, hardware bring-up, sensor and high-speed interface integration, and verification. Develops C/C++ software, VHDL/Verilog logic, and Python test automation; debugs systems in the lab; documents results; briefs customers; mentors engineers; and contributes to proposals and research. The role is in-person in Huntsville, Alabama and requires U.S. citizenship and an active or obtainable Secret clearance.

Lead performance engineering for massive-scale HPC and AI workloads across InfiniBand-connected GPU clusters. Diagnose communication bottlenecks, analyze fabric behavior, tune RDMA and QoS, develop telemetry tooling, optimize topology-aware communication, benchmark distributed workloads, and collaborate with operations and hardware vendors on next-generation interconnects.

Develops digital pre-distortion algorithms for radio products, optimizing nonlinear power amplifier performance, modeling accuracy, and bandwidth. Collaborates with hardware design teams on DFE, AFE, feedback paths, and DPD engine selection. Implements production-grade DPD software on radio hardware, conducts robustness testing, troubleshoots lifecycle issues, and contributes to hardware integration. Requires expertise in digital signal processing, nonlinear system modeling, RF design, wireless standards, FPGA or ASIC development, and Matlab, Python, and C++.

Leads software development and integration across multiple security domains in a Department of Defense system-of-systems environment. Develops and sustains Linux-based software using C, C++, and Java; independently resolves integration issues; supports CI/CD and DevSecOps practices; and collaborates with engineering teams and government stakeholders. The role also contributes to architectural evolution, Agile development processes, containerized services, and successful integration efforts.

Leads a team responsible for hardware-in-the-loop verification and validation of autonomous trucks. Owns HiL strategy, roadmap, test campaigns, bench development, requirements traceability, safety compliance, defect triage, and V&V reporting. Partners with product, systems, safety, tools, and external vendor teams. Guides testing aligned with ISO 26262 and ISO 21448, including fault handling, safety mechanisms, autonomous driving systems, and performance limitations.

Own system-level testing for Lance and LanceDB across correctness, reliability, scalability, performance, data integrity, fault recovery, upgrades, and compatibility. Build automated test frameworks, realistic workloads, fault-injection scenarios, performance and soak tests, and reproducible CI environments. Investigate failures using logs, metrics, traces, and source code, create minimal reproductions, and partner with engineers on fixes. Apply AI tools responsibly to accelerate test development, failure analysis, and debugging.

Own LoopMe’s Unity SDK product surface, including architecture, cross-platform native integrations, open-source publishing, CI/CD, reusable tooling, validation apps, licensing, testing, documentation, and partner support. Collaborate with iOS, Android, and quality engineering teams to maintain platform parity. The role requires deep Unity SDK architecture expertise, C#, Kotlin, Swift, Objective-C++, mobile development, package distribution, and ad-tech privacy frameworks.

Optimize GPU kernels using CUDA and profiling tools to improve computational throughput across modern hardware. Refactor C++ and CUDA code, implement GLSL and WebGPU shader workflows, analyze performance bottlenecks, document optimization findings, and collaborate with stakeholders on GPU-based approaches and metrics.

Designs, develops, configures, tests, documents, and supports Guidewire ClaimCenter and related applications, integrations, tools, and systems. Responsibilities include production support, incident and problem management, troubleshooting, root cause analysis, release management, technical design, automated functional and performance testing, code reviews, mentoring junior developers, vendor liaison work, and collaboration with architecture teams. The role requires independent judgment, leadership, SDLC expertise, and strong Java, .NET, JavaScript, SQL, Oracle, and testing capabilities.

Develop and execute Hardware-in-the-Loop tests for an integrated autonomous transit system. Responsibilities include creating automated regression tests, analyzing logs and telemetry, troubleshooting embedded controllers and networks, tracking defects, improving simulators and test infrastructure, preparing readiness evidence, and collaborating with software, autonomy, vehicle, safety, quality, and deployment teams. The role involves hands-on lab, vehicle, and test-facility work with some travel or on-site presence.

Build and operate the backend platform for autonomous cybersecurity agents, including durable workflow execution, tool and connector frameworks, safe-change pipelines, tenant isolation, ETL, GraphQL services, observability, audit trails, and distributed systems. Partner with AI researchers and security engineers to productionize agent capabilities across customer environments while enforcing authorization, rollback, quotas, and data protection.

Design and improve search engine layers including storage, indexing, and querying. Perform intensive performance optimization using profiling, SIMD, data-structure tuning, and I/O optimization. Evolve full-text, vector, and reranking APIs; collaborate with customers; document technical concepts; and contribute expertise in search, storage engines, or distributed systems.

Build and own studio-wide systems that improve software quality, testing, performance, developer velocity, and infrastructure reliability. Responsibilities include functional test automation, load and chaos testing, regression analysis, device compatibility labs, build and GPU clusters, CI infrastructure, disaster recovery exercises, developer tooling, quality metrics, and technical leadership across distributed engineering teams.

Lead the architecture and implementation of high-performance, reliable core services operating at massive scale. Design synchronous and asynchronous APIs, database schemas, and distributed systems; conduct benchmarking, profiling, monitoring, and optimization; participate in reviews and on-call rotations; resolve production issues; and drive independent experiments and solutions.

Leads multidisciplinary teams developing, modeling, testing, integrating, and demonstrating signal processing, optimization, machine learning, radar, and electronic warfare algorithms. Responsibilities include developing RF and sensing system concepts, directing simulations, supporting laboratory and field test evaluations, assessing performance, translating customer requirements into research priorities, and presenting technical findings to customers and senior stakeholders.

Own propulsion and gas turbine engineering initiatives, including component design, technical documentation, supplier support, root-cause investigations, engine testing, performance data analysis, and cross-functional project coordination. The role supports manufacturing, qualification, process validation, customer applications, and failure investigations for small turbojet engines used in aerospace and defense systems.