Top Senior Software Engineer Jobs in Portland, OR

Develop and maintain full-stack enterprise software across WinForms, .NET Core services, Azure, AKS, Helm, and Blazor. Apply LLMs, prompt engineering, and agentic AI workflows to automate maintenance, refactor legacy systems, generate code and tests, and reduce technical debt. Contribute to architecture modernization, DevSecOps, CI/CD, testing, security, code reviews, and technical problem-solving while supporting junior developers.

Develops, programs, configures, and optimizes building automation and energy management systems. Creates controls databases, graphics, applications, reports, dashboards, scripts, and system enhancements. Supports installation, startup, commissioning, troubleshooting, tuning, documentation, backups, service transitions, and facility support. Collaborates with contractors, sales, design, operations, and service teams while assisting with estimating, system design, training, and customer demonstrations.

Architect and develop diagnostic systems for NVIDIA data center platforms across hardware and software interfaces. Lead platform bring-up, hardware validation, failure root-cause analysis, and diagnostic deployment across ODM factories, cloud providers, and partner production lines. Establish diagnostic architecture and product roadmaps, develop tools using C, C++, and Python, collaborate with multidisciplinary teams, and mentor engineering staff.

Design, build, and operate MongoDB Atlas features and distributed backend systems, with a focus on encryption, compliance, customer-managed keys, and cloud security across AWS, Azure, and GCP. Lead complex technical projects and fleet-wide production rollouts, collaborate with product, design, customers, and support teams, mentor engineers, resolve production issues, and participate in on-call support.

Leads systems software prototyping and workload characterization for Azure hardware/software co-design. The role optimizes AI inference and LLM workloads, especially KV Cache placement, migration, and utilization across GPUs, CPUs, CXL memory, storage, and networks. Responsibilities include developing inference framework extensions, instrumentation, performance models, simulation frameworks, and memory-tiering proof-of-concepts while influencing long-term architecture and collaborating with hardware, software, workload, and industry partners.

Design, develop, test, and optimize system software for next-generation ARM-based SoCs across pre- and post-silicon phases. Analyze architectural bottlenecks, workload performance, and performance-per-watt tradeoffs; develop hardware/software policies and optimization strategies. Lead performance analysis, competitive benchmarking, architecture documentation, and adoption of improvements across NVIDIA software products and open-source SDKs.

Design and architect scalable full-stack software spanning React/TypeScript frontend, GraphQL backend, and GCP infrastructure. Lead technical initiatives, establish engineering standards, document technical decisions, ensure quality through testing, mentor engineers, and partner with product and engineering leadership. Staff-level responsibilities include owning architecture for major or cross-cutting systems and leading complex initiatives with minimal oversight.

Develops and integrates PLC software, HMIs, industrial networks, motion systems, and automation equipment for precision manufacturing. Responsibilities include designing new controls, retrofitting legacy systems, electrical wiring and troubleshooting, system testing, documentation, production support, and continuous improvement. The engineer collaborates with automation, maintenance, production, suppliers, and project teams to implement reliable manufacturing technologies and standardize controls platforms.

Develop and operate large-scale, low-latency Azure cloud services for hardware health monitoring, anomaly prediction, telemetry, reliability, and performance. Evaluate and implement AI technologies, including LLMs, embeddings, RAG, and custom machine learning models, to improve firmware and hardware. Lead root-cause analysis, service restoration, testing automation, security and compliance, production deployment, and analytics reporting.

Leads CAD DevOps software strategy and execution for silicon and SoC design teams. Develops scalable CAD tools, automation frameworks, CI/CD workflows, cloud-based EDA environments, and software integrations. Collaborates with hardware, compute infrastructure, and Silicon Engineering stakeholders to gather requirements, drive technical execution, and support RTL, verification, validation, DFT, emulation, and IP integration workflows. Owns complex software projects and promotes software development best practices across the central CAD Software team.

Designs, develops, integrates, tests, validates, and debugs system software across firmware, drivers, operating systems, middleware, frameworks, algorithms, and applications. Develops reference platforms and product software, troubleshoots complex system issues, optimizes performance, and collaborates with hardware, architecture, validation, and supplier teams throughout the software lifecycle.

Lead software architecture, development, integration, debugging, and quality engineering for embedded automotive HMI instrument clusters. Develop customer-facing visualizations using C++ and Qt, translate UX and system requirements into maintainable solutions, and support validation, release, functional safety, and cybersecurity compliance. Establish coding and quality standards, assess software architecture and implementation, track quality metrics, coordinate corrective actions, and mentor global engineering teams.

Develop and execute comprehensive software testing across functional, integration, regression, system, and performance areas. Create automated test solutions, maintain frameworks, integrate testing into CI/CD pipelines, track defects, validate fixes, assess quality risks, and improve QA processes. Collaborate with developers, product managers, and mechanical engineers while promoting shift-left testing, quality metrics, root cause analysis, and Agile best practices.

Provides technical leadership and architectural direction for Windows-based software supporting semiconductor test, measurement, automation, motion control, and equipment integration. Designs complex applications and reusable platforms using C#, .NET, C++, and Visual Studio; leads modernization, testing, validation, and deployment efforts. Collaborates globally with multidisciplinary engineering teams and customers, resolves complex system issues, drives software strategy, mentors engineers, and influences product roadmaps without direct managerial responsibility.

Design, program, test, and commission PLC and HMI software for custom automation systems. Integrate robots, motion, vision, sensors, and safety devices; troubleshoot machine startups and customer acceptance testing; create technical documentation; collaborate across engineering teams; lead complex controls projects; mentor engineers; and support proposals, planning, and customer discussions.

Design, develop, and optimize onboard data systems for ocean-based energy nodes. Build reliable network-facing software, efficient data egress pipelines, APIs, schemas, buffering and retransmission systems for intermittent links. Improve performance, security, testing, CI/CD, documentation, and engineering practices while collaborating across software, networking, and security teams. Own designs from concept through fabrication and deployment at sea.

Own end-to-end software integration across firmware, BSP, drivers, GPU software, services, and release systems. Lead system-level debugging of boot failures, crashes, resets, power transitions, performance regressions, and update issues. Analyze logs, traces, crash dumps, and hardware diagnostics to identify root causes, automate failure classification, integrate partner software, and coordinate cross-functional resolution across firmware, kernel, hardware, architecture, and OS teams.

Develop and maintain AiDiffract software for semiconductor optical critical dimension metrology across the full software development lifecycle. Responsibilities include design, implementation, testing, refactoring, CI/CD automation, code reviews, quality improvement, and secure evaluation of AI-generated code. The engineer collaborates with applications, algorithms, SQA, and user teams while applying software engineering, DevOps, and potentially physics-based modeling or machine learning techniques to complex scientific systems.

The role involves developing advanced computational methods for semiconductor manufacturing, leading innovation, and scaling software for high data processing needs.

Develop system software and firmware for power management across Tegra automotive, embedded, and data center SoCs. Responsibilities include implementing power policies, debugging complex system issues, collaborating on performance and efficiency strategies, creating validation plans, and analyzing energy consumption. The role requires strong C/C++ and Python skills, system-level software experience, and knowledge of computer architecture, operating systems, and hardware-software interactions.

Leads architecture, design, development, integration, deployment, and operational support for complex full-stack applications built on the Mendix platform. Establishes technical standards, reviews code, mentors engineers, guides cross-functional initiatives, manages technical risks, supports Agile delivery, and leads incident response, performance optimization, monitoring, automation, and production readiness across multiple teams.

Designs, develops, tests, debugs, and documents software/firmware for embedded systems. Works independently on engineering projects, leads design reviews, coordinates verification testing, and collaborates with cross-functional teams.

Leads architecture, development, modernization, testing, deployment, and support of software for semiconductor manufacturing and test systems. Migrates legacy MATLAB and LabVIEW applications to C#/.NET, integrates software with equipment and hardware, develops automation and testing frameworks, resolves complex defects, contributes to CI/CD, and mentors engineers. Collaborates across software, hardware, systems, manufacturing, quality, product, and customer support teams.

Design, develop, and optimize low-level software for semiconductor equipment. Build .NET applications using C# and WPF, implement client-server communication with WCF and TCP/IP, and integrate hardware through serial and other protocols. Collaborate on requirements, architecture, code reviews, testing, debugging, and system integration across the software development lifecycle.

Build and ship full‑stack features across the core platform, design and optimize database schemas for large geospatial datasets, write production-quality code through CI/CD, collaborate with product and design, use AI tooling daily, participate in code reviews, architecture, and on-call rotation.