Top Software Engineer Jobs in Phoenix, AZ

Designs, develops, tests, debugs, and maintains data pipelines and ETL/ELT processes (real-time and file-based). Builds aggregations for AI/ML and customer delivery, manages Git workflows and PR reviews, writes automated tests integrated into CI/CD, documents decisions in Confluence, troubleshoots complex issues, and supports data security and risk management.

Design, build, and deliver scalable, cloud-native backend microservices on AWS. Develop APIs and storage layers, refactor existing systems, create proofs-of-concept, support CI/CD and deployments, collaborate with architects and product teams, and participate in Agile development and release activities.

Serve as the interface between systems and software engineering to translate system requirements into actionable software requirements, ensure traceability, review and refine software specifications, lead cross-team requirement workshops, and support verification/validation and test planning to confirm software meets system objectives.

Design, develop, and maintain manual and automated tests for API, web, and database applications. Build and extend automation frameworks, integrate tests into CI/CD, manage test environments and data, troubleshoot failures, log defects, and collaborate with product, development, and QA teams within Agile processes.

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

Lead hands-on software delivery for the BUURT platform: write and review code daily, stabilize production, define architecture, establish audit-ready SDLC and SOC 2-aligned controls, lead and mentor distributed developers, and partner with product to deliver scalable, testable releases.

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

Designs, develops, and tests software tools for hardware design and manufacturing. Responsibilities include user requirement capturing, coding, automating deployment, and testing software tools.

The Senior Software Engineer will develop foundational services and SDKs, optimizing cloud functions, backend services, and enhancing user experience through collaboration with product teams.

Manage relationships with EDA vendors (Synopsys, Mentor, Ansys, Cadence), coordinate tool deliverables and roadmaps to align with PDK releases, resolve tool defects, coordinate with internal design automation teams, and report status to Intel Custom Foundry stakeholders.

Maintain source and binary repositories, ensure builds, packaging, versioning and delivery to teams. Define SCM intake/workflows, automate build/CI processes, perform repo and JIRA administration, and develop scripts for packaging, releases and integration with CI/test systems.

Develop C# desktop applications (WinForms) and MS Excel plugins, write scripts, collaborate with technical customers, follow Agile processes, implement functional modules, code to requirements, and track/resolve software defects.

Develop and implement tests to validate SSD firmware, contribute to test strategy, write and debug test code, support design reviews, troubleshoot test environments, and collaborate with TDEs, test execution teams, and firmware/software developers to create new test cases and scenarios.

Develop and execute test plans and test cases for UI and web applications; perform automated testing, troubleshoot failures, file defect reports, verify fixes, and ensure on-time delivery. Use automation frameworks and programming languages to perform root cause analysis and validate complex application interactions.

Integrate silicon and software into customer products, debug and root-cause complex embedded software and networking issues, perform acceptance testing, update documentation, provide technical training and hands-on customer support, and contribute feedback to product teams.

Design, develop and execute end-to-end test plans, scripts and emulation for IoT platform components (devices, gateways, protocols, cloud). Define observability/instrumentation, produce quantitative metrics, and lead small technical teams to validate E2E data flows.

Design, build, and operate Venmo's AWS cloud infrastructure, CI/CD pipelines, and automation. Mentor junior engineers, troubleshoot incidents, implement infrastructure-as-code, improve reliability and security, and deliver production-ready solutions across the full SDLC.

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 and architect enterprise .NET applications for a state DMV system. Establish architecture and coding standards, drive implementation roadmap, mentor developers, perform hands‑on coding, troubleshoot defects, optimize performance, author technical specifications, and collaborate with business and technical stakeholders to ensure maintainable, secure, and high‑performing solutions.

Lead full‑stack Microsoft .NET development: design, code, test, deploy, and maintain applications; mentor developers; manage projects; create specs, database impact analysis, integrations, and documentation; ensure CJIS compliance and support production systems.

Lead full‑stack Microsoft .NET development: design, code, test, deploy and maintain applications; mentor staff; manage projects, integrations, database impacts, and CI/CD pipelines; ensure CJIS compliance and provide ongoing application support and documentation.

Lead enterprise architecture and technical strategy, design and deliver globally distributed, fault-tolerant systems, drive platform modernization, define observability and CI/CD standards, mentor senior engineers, and lead incident response and performance optimization.

Design and develop motion planning software and algorithms for self-driving vehicles, collaborating with engineers and researchers while maintaining progress on long-term goals.

Lead architecture, design, and delivery of scalable, secure distributed payment systems for a next-generation digital wallet. Drive technical strategy, mentor teams, own features to production, troubleshoot incidents, and improve engineering practices, tooling, and testing to meet product and security goals.

Own and set technical direction for the Everand backend, building scalable, reliable systems for discoverability, personalization, and core consumption journeys. Drive architecture, platform health (CI/CD, staging, DBs, queues, cost, observability), mentor engineers, lead cross-team planning, modernize legacy systems, and partner with product, design, analytics, web/mobile, and ML to support experimentation and telemetry-driven decisions.