Top Remote C++ Jobs in San Diego, CA

General application for future opportunities at a remote open-source consulting company. Potential work includes software engineering, scientific computing, AI/ML, data engineering, DevOps, developer tooling, frontend development, technical writing, design, and community engagement. Quansight welcomes professional, research, educational, personal-project, and open-source experience, including early-career and internship interest.

Develop and optimize GPU-accelerated numerical linear algebra libraries for AI and high-performance computing. Design kernel generation, JIT compilation, matrix operations, and operator fusions; lead projects involving multiple engineers and teams; provide technical mentorship; collaborate with product management and customers on requirements and roadmaps; and improve performance and maintainability through architectural enhancements.

Design, develop, and maintain complex distributed software systems. Translate product requirements into scalable, secure, modular designs; write well-tested code; lead design and code reviews; guide agile sprint teams; collaborate with stakeholders; and mentor engineers. The role also contributes to technical strategy, resolves delivery impediments, and promotes engineering best practices.

Develop and support NVIDIA CUDA Math Libraries across emerging and specialized platforms. Responsibilities include platform integration, functional qualification, defect triage, bug fixing, performance benchmarking, regression resolution, and building CI/CD qualification pipelines. The role requires high-performance numerical software development using C++ and Python, parallel computing, numerical methods, and software architecture, with preferred experience in CUDA, GPU computing, math libraries, cross-platform development, and embedded or safety-critical systems.

Build and maintain production-quality gameplay systems, workflows, and tools in C++ using Unreal Engine 5. Provide technical guidance on simulation and networking, and collaborate with designers, artists, content creators, and engine teams to develop game-building systems and tools for an unannounced PlayStation project from pre-production through release.

Develop and implement embedded software and systems, analyze system efficiency and stability, optimize I/O performance, support software quality assurance, and code, test, and troubleshoot system software. The internship requires hardware understanding and offers hands-on technical experience, mentorship, relocation benefits, and short-term housing for eligible interns.

Develop and implement embedded software and systems, analyze system efficiency and stability, optimize I/O performance, and support software quality assurance. Responsibilities include coding, testing, troubleshooting, and monitoring embedded system software while working closely with hardware. The internship provides hands-on engineering experience, mentorship, professional development, relocation benefits, and short-term housing eligibility.

Graduate software engineers will develop open-source and commercial software across the Linux stack, from firmware, kernels, and drivers to desktop applications, containers, clouds, and Kubernetes. Responsibilities include writing resilient, performant code, contributing to product roadmaps, engaging with users and open-source communities, addressing customer issues, and developing secure software. The role is globally remote with twice-yearly international team sprints and emphasizes mentorship, collaboration, and continuous technical growth.

Provides architectural and technical leadership for institutional exchange systems, including matching engines, order management, market data, risk, and unified trading platforms. Leads ultra-low-latency distributed-system design, cross-team technical alignment, reliability standards, incident response, and multi-quarter initiatives. Maintains hands-on engineering contributions while mentoring senior engineers and developing technical leadership across teams.

Build and operate low-latency market data systems for institutional trading, including feed handlers, normalization pipelines, venue connectivity, and distribution services. Develop high-throughput services, improve reliability and performance through observability and incident response, participate in on-call support, and collaborate with engineering and product teams. The role requires production backend engineering experience, market data infrastructure expertise, Java or C++, messaging frameworks, and exchange connectivity protocols.

Leads a team of 5–10 engineers building real-time market data and analytics infrastructure for trading systems. Owns technical strategy and roadmap, drives delivery, ensures data accuracy, reliability, low latency, and scalability, and partners with Product and engineering teams. Responsibilities include hiring, coaching, developing senior engineers, maintaining engineering standards, and delivering index pricing, market data ingestion and distribution, and funding rate computation systems.

Define multi-generation hardware/software architectures for AI inference silicon, including boot, memory, DMA, scheduling, security, telemetry, and host/device interfaces. Integrate firmware, Linux, runtimes, simulation, and developer tooling; lead architecture reviews; resolve cross-team technical issues; prototype high-risk interfaces; and mentor senior engineers. The role requires deep systems expertise, strong C or C++ skills, and architecture-level ownership across pre-silicon, silicon bring-up, and production software.

Own web compatibility triage and incident response across DuckDuckGo browsers on Mac, Windows, iOS, and Android. Debug complex web applications and third-party code, distinguish site, browser, and privacy-related issues, reverse-engineer obfuscated code, build durable cross-platform fixes, and develop automation and LLM agent tooling to reproduce and triage breakage. Lead ambiguous projects independently and communicate with technical and non-technical stakeholders.

Forward Deployed Engineer embedded with strategic customers to design and operate large-scale data infrastructure, troubleshoot distributed systems and networking issues, develop automation and APIs, and translate deployment challenges into product improvements. The role requires deep expertise in storage, Linux internals, high-performance networking, Python and C/C++, plus customer-facing communication and up to 25% travel.

Build and operate low-latency, event-sourced trading infrastructure for Coinbase’s institutional exchange, including matching engines, order management, risk, market data, and funding systems. Own reliability, correctness, incident response, and failover for high-throughput 24/7 production systems. Drive technical designs, collaborate cross-functionally on milestones, and write highly tested performance-critical backend code in Java, C++, or Go.

Own the assessment, hardening, testing, modernization, and sustainment of a government SDN software baseline. Develop secure C++ and Python solutions, remediate vulnerabilities, improve testing, debug application and network issues, and support containerization, CI/CD, deployment, and security scanning. Collaborate with platform engineers and government stakeholders, document technical decisions, validate releases, and mentor engineers in Navy environments.

A 10-week remote summer internship program offering team placements across software engineering, data science, support, and services. Interns complete daily responsibilities and a capstone project, collaborate with experienced professionals, attend workshops and networking events, and contribute to meaningful business priorities. Candidates must be enrolled undergraduates with strong analytical and technical skills, familiarity with programming or databases, knowledge of AI tools, and effective communication and teamwork abilities.

Deploy and integrate Shield AIs Hivemind autonomy software with customers worldwide. Provide on-site technical support, training, debugging, and documentation. Collaborate with sales and product engineering to support pre- and post-sales activities and improve autonomy products.

Develop and optimize payment platforms for performance, reliability, security, fraud prevention, and seamless recurring transactions. Build payment APIs and gateway integrations, improve processing latency and throughput, monitor platform health, troubleshoot incidents, and ensure compliance with payment industry standards. Collaborate with security, payment providers, and cross-functional teams while maintaining high-quality documentation and resilient payment workflows.

The role involves optimizing hardware support within a software stack for AI model deployment, collaborating with teams and hardware vendors to enhance performance and portability across platforms.

Design and implement Mojo language features, compiler optimizations, and multi-target compilation for CPUs, GPUs, and AI accelerators using MLIR and LLVM. Collaborate with kernel authors, hardware engineers, researchers, and the open-source community to improve language design, code generation, performance, developer experience, and the broader Mojo SDK.

Develop, optimize, and integrate 5G NR L2/L3 protocol stacks (MAC, RLC, PDCP, RRC, NGAP). Implement scheduling, HARQ, buffer management, and mobility features. Debug protocols using tracing tools and integrate L2/L3 with PHY and 5GC to improve throughput, latency, and handover performance.

Design, implement, and optimize 5G NR gNB PHY layer algorithms and real-time signal processing on DSP/FPGA/GPU. Integrate PHY with RF front-end, maintain 3GPP compliance, perform unit/integration testing, debug and tune performance, and mentor junior engineers.

Develop and verify firmware for battery safety, fuel gauging, charging, thermal management, power management, USB-C, and embedded Linux systems. Build automated battery test fixtures, analyze fleet-wide metrics, diagnose returned products, profile battery runtime, and collaborate with electrical engineers and vendors. Create test plans, design documentation, and failure analyses while reviewing AI-assisted code and mentoring teammates.

Develops wafer-level photonic integrated circuit burn-in and test solutions for R&D and high-throughput production. Responsibilities include designing validation test plans and algorithms, developing hardware and software with vendors, qualifying test stations, applying Gage R&R and SPC, troubleshooting complex systems, automating instrumentation and data acquisition, analyzing results, and documenting solutions for cross-functional teams.