state-machines jobs in San Diego

Senior Systems Engineer responsible for defining and maintaining system-level architectures for complex medical devices, including interface control documentation across fluidic, mechanical, electronics, software, and human factors subsystems. The role involves modeling system behavior using functional modeling techniques (SysML, functional block diagrams, state machines), conducting trade studies, and validating architectural assumptions through testing and characterization.…See more Requires partnering with cross-functional engineering teams to ensure subsystem alignment, supporting design controls per 21 CFR 820.30 and ISO 13485, and mentoring engineers on systems thinking and interface definition. This is a hands-on role grounded in bench-top testing, data analysis, and evidence-based architectural decisions rather than paper-only work.

Design, develop, and optimize modem firmware and software for 5G-Advanced and early 6G protocol stacks on Qualcomm's Snapdragon chipset. Work across L1/L2/L3 protocol layers to implement 3GPP-compliant features, develop real-time scheduling and resource management algorithms, and use custom scripting to dynamically reconfigure modems based on network conditions and AI-driven signals.…See more Requires strong C/C++ embedded systems expertise, real-time OS experience (RTOS), wireless communication principles, and the ability to debug complex field issues and optimize performance in latency-critical environments.

Design, develop, and optimize modem firmware and real-time embedded software for 5G/6G protocol stacks (L1/L2/L3) on Qualcomm's Snapdragon chipset, implementing 3GPP-compliant features and real-time scheduling algorithms. Work across protocol layers to develop adaptive algorithms that respond to network conditions and AI-driven optimization signals, and architect frameworks enabling OEM and operator partners to deliver differentiated wireless experiences.…See more Debug complex field issues using protocol logs and trace tools, write and maintain unit and integration tests, and collaborate with systems, architecture, and hardware teams on modem bring-up and performance optimization. Requires strong C/C++ foundation, deep wireless communication principles knowledge, embedded systems expertise, and familiarity with real-time operating systems.

Design, develop, and optimize modem firmware and software for 5G-Advanced and early 6G protocol stacks, working across L1/L2/L3 layers to implement 3GPP-compliant features. Develop real-time embedded software on proprietary RTOS (QuRT) with strict latency and throughput constraints, and architect frameworks for resource management and AI-driven optimization.…See more Collaborate with systems, architecture, and hardware teams on modem integration, performance optimization, and field issue resolution using protocol logs and debugging tools.

Design, develop, and optimize modem firmware and software for LTE, 5G-Advanced, and early 6G protocol stacks, implementing 3GPP-compliant features and real-time scheduling algorithms. Develop embedded software on proprietary RTOS (QuRT) with strict latency and throughput constraints, collaborate on modem bring-up and performance optimization, and resolve complex field issues using protocol logs and debugging tools.…See more The role requires strong C/C++ design skills, deep understanding of wireless communication principles (OFDM, MIMO, channel coding), real-time embedded systems expertise, and familiarity with AI/ML optimization techniques for adaptive modem behavior.

Build and optimize a high-throughput compute stack for reliable, production-grade data ingestion, processing, storage, and delivery. The role focuses on making stateful, multi-threaded pipelines fast and observable under real-world constraints—profiling bottlenecks, hardening recovery behavior, and productizing machine-learning models (neural networks, tree-based, unsupervised) to meet performance, reliability, and quality standards.…See more You will work alongside algorithm and infrastructure engineers, using measurements to drive performance improvements and ensure production interfaces remain durable as the system evolves. Requires strong systems-level experience with concurrency, I/O, and production debugging in C++, Rust, CUDA, or C; a track record of shipping production software; and hands-on expertise in resilient data pipelines and GPU computing.

Senior back-end engineer to own and re-architect the payment-terminal platform powering restaurant kiosks, currently spanning 40+ integrations across card-present terminals, processors, and cash automation. You will design a modular, pluggable SDK enabling internal and external developers to build integrations against a stable contract, implement new integrations from wire-level protocols (TLV, BMP, APDU, BCD/LLVAR) up through high-level APIs, and establish platform-wide patterns for payment correctness (idempotency, transaction recovery, reconciliation).…See more Role requires 6+ years back-end engineering with strong Java, Spring, OOP, and distributed-systems design; hands-on work with serial (RS-232/USB-serial via jssc) and USB (usb4java) transports, REST/SOAP/webhook integrations, and PCI-DSS compliance patterns.

Design, develop, and sustain Windows desktop control software for complex electro-mechanical semiconductor test handlers using C++ and C#. Responsibilities span full lifecycle development—architecture, integration, deployment, and customer support—with focus on system uptime, safety, and reliability.…See more Own hardware integration (motion controllers, machine vision, robotics, sensors, barcode readers), troubleshoot field issues, and drive system architecture across product variants. Mentor engineers and collaborate cross-functionally with manufacturing, field service, and customer teams.