Top Software Engineer Jobs in Phoenix, AZ

As a Software Engineer II, you will design, develop, and maintain Java applications, optimize data pipelines, collaborate on system initiatives, and implement automation for software delivery while ensuring high availability in production environments.

As a Software Engineer III, you'll design, develop, and deploy scalable software solutions, modernizing applications with cloud-native services and collaborating across teams.

The Senior Software Engineer develops and optimizes Salesforce applications, leads technical efforts in Agile environments, and translates business needs into functional solutions while ensuring performance and reliability.

Lead and organize the RFIO software development team to design, integrate, and certify DAL A avionics software. Develop software requirements, perform code reviews, interface with hardware and FPGA teams, support flight testing, and prepare certification and planning documentation following DO-178C/DO-254/DO-160G standards.

Develop and integrate avionics systems software with RF expertise, lead teams through DAL A development and certification (DO-178C/DO-254/DO-160G), perform system/hardware test and lab maintenance, manage requirements, planning, verification, and customer/FAA interfaces, and support flight test and certification documentation.

Designs, develops, tests, deploys, and maintains C#/.NET applications, APIs, and services. Translates business requirements into scalable technical solutions, troubleshoots complex issues, participates in code reviews, supports CI/CD, and contributes to secure and reliable software delivery. Provides technical guidance and mentorship while collaborating with engineering, product, and business stakeholders. Preferred experience includes AWS, Docker, Kubernetes, event-driven architectures, automated testing, observability, and modernization of legacy .NET applications.

Lead full software development lifecycle: design, develop, test, deploy and maintain reliable distributed applications. Collaborate cross-functionally, perform code reviews and automated testing, and deliver performant technical solutions aligned with business goals.

Design and build cloud-native microservices and scalable data pipelines for a Risk Decision platform. Write high-quality Java code, automate testing and releases, implement CI/CD, apply LLM/agentic AI to improve engineering workflows, collaborate across teams, and support application availability and scalability.

Designs, develops, tests, and deploys reliable software systems. Collaborates with product and cross-functional teams to solve technical challenges, improve performance, perform code reviews, and implement automated testing and documentation to meet business objectives.

Design and develop safety-critical real-time embedded software for avionics flight control systems. Implement and debug C/C++ code, work in lab environments, follow DO-178 processes, use DOORS for requirements, and support surveillance/data-collection software (preferred).

Develop and integrate system software and RF for avionics (TCAS, transponder, ADS-B, DME). Lead teams to produce SW requirements, DAL A development, verification/validation, flight and lab testing, certification documentation (SSA, FHA, SRTM, MOPS, TSO deviations), and interface with customers and FAA. Use C/C++/Assembly, version control, CI/CD, and engineering tools to manage builds, testing, and hardware-in-the-loop integration.

Design, build, test, and support scalable front-end and back-end applications. Integrate APIs and LLMs, use generative AI-assisted tools, write unit tests, deploy to cloud, and collaborate with product and business stakeholders to deliver production software.

The Backend Software Engineer will develop backend solutions for a graphic design platform, mentor junior developers, and optimize performance.

The Staff Software Engineer role involves leading projects, coordinating engineers, improving processes, and representing PayPal to external partners, focusing on cloud and DevOps responsibilities.

Design, implement, test, and operate Venmo's cloud infrastructure and CI/CD systems. Mentor junior engineers, troubleshoot incidents, build automation and infrastructure-as-code, improve reliability, and drive projects end-to-end for AWS-based, containerized services.

Lead design and implementation of AI-powered tools and cloud infrastructure to improve Venmo's DevOps and SRE workflows. Mentor engineers, build CI/CD and automation, operate distributed applications, troubleshoot incidents, integrate LLMs into developer tooling, and drive reliability, observability, and responsible AI practices across AWS-based infrastructure.

Designs, builds, and operates infrastructure-as-code capabilities using Terraform and Ansible across cloud and on-premises environments. Develops reusable modules, policy-as-code guardrails, testing frameworks, secure credential patterns, configuration automation, and developer self-service tooling. Partners with security, compliance, platform, network, and CI/CD teams to implement controlled infrastructure changes, automate evidence collection, manage drift, and improve reliability. The role also mentors engineers, documents architecture, and leads complex technical initiatives.

Maintain software repositories and builds, ensure continuous integration and delivery, synchronize patches across build lines, integrate vendor code, produce periodic builds for validation teams, coordinate defect fixes, automate patch/build management, and improve processes while guiding internal and external teams.

Design and implement production-grade backend services and platform APIs in Go. Build Kubernetes-native components (controllers, operators, CRDs, webhooks), integrate with CI/CD, observability, and security systems, and apply AI/agentic programming to automate platform workflows and improve developer productivity. Troubleshoot distributed systems and participate in architecture reviews.

The Senior Software Engineer at Carvana will drive large-scale projects, develop scalable solutions, collaborate with teams, and mentor junior developers, primarily using C# and JavaScript technologies.

Onsite developer to test vendor releases, configure vendor UI tools, write C# and ASP.NET bridges, develop stored procedures/SQL and XML/XSLT transformations, and design reports with Crystal Reports or SSRS. Works with agency staff to migrate legacy SQL Server data and communicates with vendor teams.

Maintain and support web-deployed Oracle Forms/Reports applications, troubleshoot production issues, develop SQL/PLSQL for data analysis and cleanup, collaborate with engineers, BAs, QA, and PMs, use JIRA and SVN, and assist release transitions and status reporting.

Onsite senior .NET software engineer responsible for full lifecycle application development (60%), maintaining and fixing existing applications (30%), and other tasks (10%). Role requires strong C#, ASP.NET, MVC, JavaScript, Oracle, and Windows server experience. Local Phoenix candidates only; background check required.

Onsite contract Software Developer to test vendor releases, configure UI via vendor tool, write C# and ASP.NET code, build SQL Server stored procedures/queries, perform XML/XSLT transformations, develop reports in Crystal/SSRS, and migrate legacy data via scripts.

Maintain and support web-deployed Oracle Forms and Reports applications; troubleshoot production issues; develop SQL/PLSQL for analysis and cleanup; collaborate with analysts, QA, PMs, and release coordinator; document work in JIRA and track code with SVN.