Top Software Engineer Jobs in Tucson, AZ

Design and build unified testing frameworks enabling portability across SIL, HIL, and simulation. Configure and maintain physical HIL benches and hardware interfaces, integrate automated HIL tests into CI pipelines, collaborate with software teams to improve HIL/CI systems, and monitor runtime performance, system health, and reliability metrics across testing platforms.

Build and operate backend and platform services for the Wikidata Query Service and related data pipelines. Improve reliability, scalability, observability, and automation; respond to incidents; support migrations and deployments; integrate with other Wikimedia systems; participate in design, code review, documentation, and knowledge sharing.

The Senior Software Engineer will lead the development of payment systems, oversee key subsystems, mentor engineers, and ensure high-quality code and architectural standards while collaborating with cross-functional teams.

This role involves leading web platform initiatives, mentoring senior engineers, architecting web applications, and implementing technical strategies for improved performance.

The Senior Software Engineer will lead and support a team in developing reliable and scalable backend systems, collaborating on product development, and improving infrastructure for secure communication between services.

Build a high-performance, low-latency Rust backend and core AI platform for an AI-native trading experience. Implement streaming responses, tool orchestration, caching, secure APIs (auth, rate limits, auditing, tracing), and safe trading action infrastructure (previews, confirmations, idempotency, audit logs). Partner with product and frontend to enable AI-native UX and translate business domain requirements into secure, resilient platform primitives.

Lead quality assurance and test strategy across Agile teams, drive automation for testing, mentor QA teams, and ensure high-quality software delivery.

Lead architecture and technical direction for an AI-first SaaS product (Growth Studio). Define scalable services, APIs, data flows, and AI-enabled workflows; guide integrations, run architecture/code reviews and POCs; mentor engineers; produce technical documentation; and partner with product, UX, QA, and ops to deliver reliable, secure, and maintainable platform capabilities for GovCon customers.

Unpaid software engineering internship focusing on full-stack web development with TypeScript, Next.js/React and Node/Express. Work on front- and back-end features, responsive UI with Tailwind, animations with Framer Motion, PostgreSQL and MongoDB integration, REST APIs, microservice-based architecture, code reviews, debugging, and product planning in a remote-first startup.

As a Founding Software Engineer, you'll architect and evolve core backend systems and streaming data pipelines, optimize performance and storage, and define data models to enhance AI deployment safety and performance in real-time environments.

Lead fullstack technical work connecting Python/Django backend services with Unity (C#) client, drive technical roadmap, own live-ops reliability and incident management, mentor cross-functional teams, deliver scalable features, and reduce technical debt for a live-service mobile/PC game.

Lead full-stack development across Superset frontend and backend services. Design and ship end-to-end features, improve performance and scalability, own major technical initiatives, mentor engineers, set engineering standards, and collaborate with product, design, and the open-source community.

Design, build, and ship native Android features in Kotlin for BJAK's AI Neobank app. Integrate backend APIs, improve performance, reduce crashes, collaborate with product/design, use analytics to iterate, and add on-device AI where it improves UX.

Design, modify, and program software for local, networked, cloud, or internet applications. Write code, test and debug, document installation and maintenance procedures, gather user requirements, implement enhancements, and perform related duties.

Develop and maintain scalable Node.js/JavaScript services on AWS (Lambda, Fargate), build and monitor RESTful APIs, manage data in S3, contribute infrastructure-as-code (CloudFormation/CDK), and support integrations with Salesforce (LWC, Apex). Collaborate with senior engineers and product managers, improve systems, and document work.

Develop, maintain, and automate Twilio's Compute cloud infrastructure including scalable cloud-native environments, VM orchestration, hardened AMIs, ASG/EC2 management, container images, and OS libraries. Collaborate with architects and engineers, produce IaC-compliant implementations, author documentation and runbooks, participate in on-call rotation, and support legacy and new platform components using automation and best practices.

Design and develop software solutions enhancing user experience for Governance features, contribute to open-source software, communicate technical designs, and support team quality through reviews.

Map and analyze Epic system tables and data to the Premier spec, develop data transformations and scripts, build SQL queries, stored procedures, and indexes, document mappings, act as SME with vendors/clients, and report project status via tools like JIRA.

Lead research and design of high-power wireless EV charging systems: perform high-fidelity electromagnetic and thermal FEA, model and simulate resonant circuits and power electronics, prototype and evaluate designs, prepare proposals and technical presentations, and collaborate with industry and internal teams. Publication and automotive experience expected.

Work on full-stack web applications serving millions of users: design, build, test, and deploy features, support CI/CD and data ingestion pipelines, triage production issues, and write maintainable, testable code while collaborating in an agile team.

Join our remote R&D team to innovate in graphics and spatial computing, implementing advanced techniques for immersive streaming applications.

As a Systems Engineer, you will enhance Windows support for Swift and develop features for internal projects and the Swift community, focusing on system architecture and tooling improvements.

As a Software Engineer New Grad, you'll develop features for mining operations using TypeScript and AI technologies, contributing to real-time data systems and computer vision applications.

Build and scale ML-optimized HPC infrastructure, manage Kubernetes-based GPU/TPU superclusters, optimize for AI/ML training, and mentor teams while innovating in ML infrastructure.

We are seeking a product-minded backend engineer to work on our Customer Studio product, focusing on data performance, analytics, audience syncing, and generative AI. The role requires strong architecture, scalability considerations, and product engagement.