Top Senior Software Engineer Jobs in Tucson, AZ

Design, build, and lead scalable API and platform features. Mentor junior engineers and drive technical initiatives from design to delivery.

Design, develop, test, and own SDKs and REST APIs for a next-generation analytics platform. Collaborate with Product Management, contribute to DevOps and quality frameworks, perform code reviews, and mentor teammates to deliver performant, well-tested software.

Design and develop large-scale Java-based identity management features for PingIDM. Collaborate with distributed teams to analyze requirements, implement secure RESTful APIs, enable cloud deployments, optimize performance, and support customer-facing teams to resolve issues.

The Senior Software Engineer will lead the design and development of core capabilities for SingleStore's data platform, focusing on high-performance systems and mentoring other engineers. This includes solving system-level problems and implementing scalable solutions in a collaborative environment.

Design and build scalable shared platform systems and libraries used across product teams, define APIs and standards, influence cross-team architecture, perform code reviews, and maintain documentation to improve developer experience and platform reliability.

As a Sr. Software Engineer at Bloomerang, you will lead technical direction, mentor engineers, and enhance SaaS solutions while utilizing .NET and AI tools. You will ensure scalable, maintainable applications, advocate for Agile workflows, and focus on quality outcomes in software development.

Build and maintain React front-end and Golang backend services deployed on AWS. Collaborate with Product and planners, write tests, pair program, estimate work in a ScrumBan process, and participate in performance and learning initiatives to improve a fintech planning platform.

Senior software engineer responsible for architecting and implementing high-scale distributed systems, leading small engineering teams, mentoring junior engineers, and delivering reliable cloud-deployed services using Python, container orchestration, and CI/CD best practices.

Work on Backblaze's storage platform (B2 Object Storage and Computer Backup) to improve durability, throughput, and architecture. Lead technical design, drive implementation of large features, shape coding practices, and participate across design, implementation, testing, and rollouts while collaborating proactively in a remote-first team.

Design, build, and operate large-scale, highly available distributed file storage services on Oracle Cloud. Lead architecture and development, troubleshoot and optimize performance, collaborate with product management, and establish operational best practices.

Build and maintain full-stack features for a React/TypeScript frontend and NestJS/TypeScript backend, integrate LLM-powered conversational agents, design APIs, auth (SSO/SAML), real-time updates, background processing (AWS SQS), database schemas (PostgreSQL/Sequelize), API docs (Swagger), and tests (Jest/pytest). Collaborate on architecture, code review, and production support.

Design, build, and maintain applications, APIs, and services for Magna's Jury Consulting business; partner with stakeholders to translate requirements; contribute to architecture, CI/CD, testing, DevOps, production reliability, and AI-assisted development; mentor engineers and evaluate emerging technologies.

Design, develop, and maintain secure, scalable web applications and APIs for the Records business using C#/.NET and Azure. Collaborate with stakeholders, contribute to architecture and CI/CD, mentor engineers, leverage AI-assisted development tools, and improve production reliability and performance.

Design, build, automate, and support cloud infrastructure and CI/CD for production systems. Run and optimize EKS/Kubernetes at scale, implement IaC (Terraform), observability, security best practices, disaster recovery, and cost optimization. Collaborate with engineering teams, participate in on-call incident response, and produce architecture documentation and operational runbooks.

The Senior Software Engineer, Payments will design and implement backend infrastructure for a blockchain-integrated banking platform, focusing on payment processing and operations.

Join Dakota's core engineering team to design and implement back-end infrastructure for a blockchain-integrated banking platform, addressing high-visibility projects.

As a Founding Staff Software Engineer, you will lead the design and development of robust backend systems and APIs, optimize large-scale data workflows, and mentor a growing engineering team.

Own and modernize iHerb's product catalog across backend, React frontend, and relational data. Build end-to-end features, use AI-driven SDLC tools, write automated tests, ensure observability, participate in on-call incident response, and contribute to shared engineering standards.

The Staff/Principal Software Engineer will work in a remote global team, addressing software engineering challenges while fostering collaboration and clear communication.

Lead full‑stack development of the imaging web platform: architect and build ASP.NET Core services and Vue frontends, design secure APIs integrating EMRs and AI, own testing, CI/CD, and Azure deployments, mentor engineers, and collaborate with product, design, and clinical teams to deliver performant, reliable screening experiences.

Lead design and delivery of full-stack imaging features, architect high-performance ASP.NET Core services, build Vue frontends, integrate APIs with EMRs and imaging partners, mentor engineers, enforce automated testing, CI/CD and observability, and drive technical roadmap in an Agile team.

Design, build, and maintain Python-based systems that interface with custom hardware. Own hardware drivers across serial/USB/I2C/SPI/Modbus, implement maintainable state machines, write async event-driven code, build RESTful APIs, persist device telemetry in SQL, contribute computer vision work, and collaborate with hardware, firmware, and operations while mentoring engineers and raising engineering standards.

Develop and maintain backend services for the Leap quantum-classical cloud platform. Deliver features across the SDLC, improve system performance and scalability, troubleshoot and resolve production issues, participate in code reviews and on-call rotation, mentor junior developers, and collaborate with cross-functional teams to ship reliable, high-quality software.

Lead design and development of software that interfaces with quantum processors, supporting calibration, hardware interfaces, testing, monitoring, and operational infrastructure. Drive architecture, optimize performance, mentor engineers, run technical investigations, and participate in on-call rotations to ensure QPU solver availability on the Leap cloud platform.

As a Principal Software Engineer at Fetch, you'll design scalable systems for user engagement, drive experimentation, lead technical strategy, and mentor teams to improve engineering productivity and system reliability.