Top Senior Software Engineer Jobs in Phoenix, AZ

Design, develop, maintain, test, and debug embedded software for aerospace and avionics systems using C/C++. Collaborate with cross-functional teams on requirements, architecture, hardware integration, software lifecycle processes, and certification activities under DO-178 standards. Support high-quality deployment of complex safety-critical systems, communicate technical concepts to stakeholders, and contribute to software testing, integration, and continuous improvement.

Supports software integration across aerospace programs and leads DevSecOps practices, configuration management, CI/CD, automation, and infrastructure modernization. Maintains code quality and security tooling, develops scripts, upgrades the AeroSPS framework, and digitizes infrastructure health metrics. The role requires cross-functional collaboration, integration leadership, and compliance with U.S. export control requirements.

Develop and maintain advanced avionics software for TCAS and transponder systems. Collaborate on requirements and architecture, ensure aerospace standards compliance, conduct reviews and testing, troubleshoot defects, support releases and documentation, mentor junior engineers, and coordinate project activities. The role requires embedded software, real-time operating systems, C/C++, CI/CD, and aerospace development experience.

Develop, integrate, test, verify, and release embedded real-time software for avionics display systems. Responsibilities include software and system requirements, architecture, algorithms, certification compliance, customer coordination, technical reporting, process improvement, and mentoring early-career engineers.

Develop, integrate, test, verify, and release C++ software for embedded, real-time avionics display systems. Responsibilities include requirements analysis, software architecture, debugging, certification support, compliance activities, technical coordination, process improvement, customer interaction, and mentoring early-career engineers.

As a Principal Software Engineer, you'll design and implement complex solutions in Dynamics 365, leading projects and ensuring high-quality applications while collaborating across teams.

Design, build, and maintain blockchain and payments infrastructure; develop scalable microservices and secure RESTful APIs to transfer value across blockchain and banking protocols; integrate with banks and fintech; own system design, testing, deployment, and troubleshooting; ensure reliability, code quality, and strong test coverage while collaborating with product and engineering teams.

Develop and maintain scalable full-stack cloud applications using JavaScript, TypeScript, Python, and modern frameworks. Design complex systems, APIs, microservices, and AI-enabled features; optimize performance, write tests, participate in code reviews, and influence architecture and engineering direction. The role owns high-reliability systems, mentors junior engineers, coordinates across teams, establishes code-quality standards, and contributes to product and technical roadmaps.

Leads engineering, configuration, integration, security, resiliency, and lifecycle management for enterprise building management systems. Designs BMS platforms, APIs, networks, data integrations, and cloud endpoint solutions; supports Niagara, Desigo, EcoStruxure, Lutron, and related technologies. Leads technical initiatives, architecture standards, modernization, vulnerability remediation, monitoring, and firmware management while advising stakeholders, vendors, and leadership and mentoring engineers.

Leads the design, configuration, integration, security, and support of enterprise building management systems and operational technology. Develops BMS solutions, APIs, networking and data integrations across platforms such as Niagara, Desigo, EcoStruxure, and Lutron. Drives architecture, resiliency, monitoring, vulnerability remediation, lifecycle planning, modernization, and technical standards. Leads complex initiatives, advises stakeholders and vendors, evaluates emerging technologies, and mentors engineers.

Design, build, and own scalable microservices and secure APIs that transfer value across blockchain and banking protocols. Extend in-house blockchain infrastructure, integrate with banks and cloud services, troubleshoot production issues, document system and testing procedures, and collaborate with product and engineering teams to deliver reliable payment experiences.

Develops scalable, secure, and maintainable SaaS software throughout the full lifecycle, including design, coding, testing, deployment, defect resolution, and release documentation. Builds distributed server-side applications, REST APIs, microservices, database solutions, and containerized workloads. Participates in Scrum ceremonies and collaborates with product, architecture, UX, and engineering teams.

Design, develop, test, and maintain software applications, including next-generation cryptographic products. Collaborate with cross-functional teams to integrate solutions, troubleshoot issues, lead software development, apply technical standards, and identify AI-driven improvements. The role requires embedded-platform development, Rust and C/C++ experience, agile practices, technical leadership, and an active Secret clearance.

Designs, develops, tests, and maintains software applications, including embedded Linux systems and cryptographic solutions. Collaborates with cross-functional teams to integrate solutions and troubleshoot issues, leads software development processes, applies technical standards, and provides technical leadership. Requires embedded Linux debugging expertise and an active Secret clearance. Preferred experience includes Vitis, PetaLinux, Xilinx SoC platforms, software-defined radio, satellite applications, container tools, and Wind River Linux.

Design, develop, test, and maintain software applications, automation frameworks, interfaces, and utilities. Build GitLab CI/CD pipelines, automated tests, and containerized deployments using Docker, Kubernetes, and Helm. Integrate software with hardware, lab systems, networks, and distributed services while troubleshooting Linux, pipeline, and hardware-in-the-loop environments. Collaborate with cross-functional engineering teams, document designs and workflows, and improve automation, reliability, and developer experience.

Provides field-based technical support for semiconductor equipment software and automation systems. Installs, configures, and upgrades software, hardware, drivers, and peripherals; troubleshoots software and automation issues; manages field configurations; supports SECS/GEM compliance; and coordinates with customers and software engineering teams. Requires substantial domestic and international travel, including up to 50% routinely and up to 80% during initial training.

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.

Design, develop, debug, and troubleshoot software for semiconductor equipment components and devices. Create documentation, test procedures, software specifications, and test plans for simulators, test benches, and laboratory environments. Analyze requirements, implement bug fixes, communicate with customers, and support project scheduling. The role also applies machine learning and AI technologies to develop innovative software solutions.

Develop embedded C firmware, device drivers, board-support packages, and Python-based validation frameworks for power delivery chiplets. Build automation, regression systems, databases, GUIs, and customer debug tools. Support silicon bring-up, lab instrumentation, hardware interface debugging, and system-level validation while collaborating with hardware, firmware, and silicon design teams.

Develop and operate secure, scalable full-stack web applications and AI-powered agents using Microsoft technologies. Responsibilities include backend and frontend development, API and identity integrations, responsible AI implementation, testing, architecture reviews, deployment, observability, live-site support, and cross-team collaboration. The role also involves mentoring engineers, managing dependencies, and contributing reusable engineering practices and assets.

Designs and operates Java backend services, REST APIs, BigQuery datasets, and real-time data pipelines supporting credit and asset externalization. Responsibilities include data modeling, performance and cost optimization, Dataproc processing, observability, data quality, access controls, compliance, and production operations. The role provides technical leadership, guides junior engineers, and collaborates with product, finance, risk, compliance, and engineering teams.

Owns PayPal Credit Production Engineering’s internal tooling and platforms across design, development, testing, deployment, monitoring, and maintenance. Responsibilities include managing production codebases, operating knowledge-base services, building automation, owning PostgreSQL schemas and performance, supporting cloud infrastructure, guiding junior engineers, reviewing code, and advising on technical decisions. The role partners across teams, supports operational escalation, and may work with retrieval systems, vector search, and LLM tooling.

Develop reusable Python-based software infrastructure for post-silicon validation and characterization of Arm SoCs. Build automation, frameworks, APIs, and CI or regression infrastructure for workloads, hardware controls, instrumentation, test execution, and data collection. Collaborate with firmware, validation, systems, and infrastructure teams to debug complex hardware-software interactions and create reliable, scalable engineering workflows.

Develop and maintain production-critical software for HVAC product selection, configuration, pricing, and quoting. Build numerical calculation engines, performance databases, configuration rules, integrations with ERP, CRM, and PLM systems, and automated technical deliverables. Establish scalable architecture, testing, version control, deployment, and release practices while collaborating with mechanical engineering, applications, sales, and testing teams.

Design, develop, integrate, and validate flight management system (FMS) embedded software for Honeywell's Anthem avionics. Lead architecture, implement high-quality C++/OOP solutions for multi-core, real-time environments, support hardware integration and certification compliance, and collaborate across systems and test teams.