Top Senior Software Engineer Jobs in Tucson, AZ

Build reusable interactive front-end components for a browser-based product, focusing on graphics rendering, performance, and engaging user experiences. Own features from concept through release, collaborate with product, design, and content teams, and maintain clean code that supports both human developers and AI tools. The role requires solving demanding browser-rendering challenges and designing clear APIs for people and automated systems.

Architect and re-engineer highly scalable, resilient backend data systems supporting patient services. Lead distributed systems strategy, make architectural decisions, improve performance and reliability, mentor engineers, establish operational practices, and collaborate with product managers and cross-functional stakeholders to shape engineering and product direction.

Staff-level platform engineer to improve and scale inherited Scala systems, redesign data layers for ML/AI, build a Rust service framework, enhance observability and resilience, shape developer tooling and standards, and work across JVM, Rust, Python, SQL, and Spark.

Build and operate Go backend services powering Virta’s quote-to-cash systems, including contracts, pricing, billing, subscriptions, invoices, claims, and reconciliation. Lead ambiguous projects from design through production, improve billing correctness, create self-service tools for finance and operations, collaborate with non-engineering stakeholders, apply AI to development workflows, and mentor engineers. Work across application and analytics layers using event-driven architectures, SQL, cloud infrastructure, React, and TypeScript.

Own full-stack web features from discovery through launch, collaborating with engineers, designers, program staff, and users. Build clean code across the stack, shape product direction, run experiments, review code, pair with teammates, and participate in on-call support. The role requires experience shipping consumer-facing products, typed languages, relational databases, modern web development, and strong product judgment.

Own end-to-end frontend development for core crypto payment flows across web and mobile. Improve latency, availability, and SLOs; build user-facing features (contacts, real-time transaction status); identify and fix performance bottlenecks; partner with product/design/backend; mentor junior engineers to reduce customer friction at scale.

Own and evolve patient-facing clinical application surfaces, including a React widget, clinician portal, and Python service layer. Lead full-stack architecture, AI application integrations, encounter data flows, internal tooling, versioned shared components, and operational reliability. Partner with AI engineers on LLM-enabled workflows, maintain dependencies, protect consumers from breaking changes, and mentor junior engineers. The role requires durable ownership of rapidly built systems and delivery of critical healthcare technology.

Build and maintain developer-facing tools and APIs for MongoDB Atlas and Compass. Work full-stack on customer-facing UIs and backend services, design scalable, highly available web applications, collaborate cross-functionally, troubleshoot distributed systems, and improve performance and developer experience.

Design, build, deploy, and operate scalable backend platform services and shared libraries. Contribute to architecture, reliability, developer experience, continuous delivery, monitoring, alerting, and incident response. Investigate production issues, implement lasting fixes, participate in technical reviews, mentor engineers, and collaborate cross-functionally to deliver business value. The role also encourages thoughtful use of AI tools to improve productivity.

Leads end-to-end design, development, quality, and integration of complex software solutions and cloud services. Provides technical leadership for enterprise-wide projects, manages engineering processes, risks, dependencies, and delivery priorities, and writes code across the software ecosystem. Collaborates with multidisciplinary teams to deliver measurable, user-centric technology solutions, primarily supporting healthcare caregivers.

Lead full-stack software development across frontend and backend systems, delivering user-facing healthcare features from concept through iteration. Design APIs and application architecture, write technical specifications, improve testing and CI practices, collaborate with product, AI/ML, clinical, and UX teams, and guide cross-team technical decisions. The role involves React, Python, cloud infrastructure, databases, asynchronous workflows, and healthcare data technologies.

Build and evolve scalable systems that capture, ingest, and process real-time and recorded audio/video streams from telephony and meeting platforms. Design distributed media pipelines optimized for reliability, performance, and low latency; provide technical leadership and mentorship; solve complex systems problems; implement testing and quality practices; contribute to architecture and code reviews; and maintain security and compliance standards.

Build and ship product features incorporating machine intelligence and large language models. Architect scalable AI-powered functionality, conversational agent experiences, data pipelines, and third-party integrations. Collaborate with subject-matter experts and designers, make pragmatic technical decisions, and mentor teammates on data and AI practices. The role requires hands-on server-side web development, flexible scripting skills, strong system design judgment, and experience delivering AI-enabled products in a startup environment.

Design and implement scalable first-mile networking solutions for Microsoft 365 Substrate and COSMIC. Drive design, dependency identification, coding, optimization, debugging, and on-call monitoring. Analyze production telemetry to improve reliability, performance, and observability. Act as a DRI, lead design and release plans, and collaborate with stakeholders to meet product requirements at global scale.

Own and lead Coinbase’s developer infrastructure platforms, including CI, build systems, and deployment orchestration. Set technical direction for complex cross-team initiatives, improve build and deployment performance, manage reliability and observability, and drive platform migrations and adoption. Partner with engineering leaders, operate production systems, mentor engineers, and deliver scalable tools used across the organization.

Owns delivery of backend money movement and card ledger systems, leading engineers through complex problems and ambiguity. Collaborates with product, design, analytics, and engineering stakeholders; defines scalable technical solutions; supports system availability, monitoring, on-call operations, code quality, and engineering standards. The role also includes mentoring and developing team talent while building highly available distributed systems for Affirm’s financial products.

Lead design and implementation of Azure full‑stack, scalable skilling platform features. Drive CI/CD, reliability, automation, and AI/LLM-enabled capabilities. Mentor engineers, enforce engineering best practices, coordinate cross-team dependencies, and improve test automation and observability for enterprise-scale services.

Own and evolve Thrive Global’s enterprise identity platform, including sign-up, authentication, authorization, user identity management, and integrations with enterprise identity providers. Independently deliver complex projects, partner with Product and stakeholders, maintain reliability, participate in on-call and incident response, and ensure secure, scalable systems using modern identity protocols and credential-management practices.

Lead the architecture, development, and evolution of Keeper Commander, including Python and .NET SDKs, CLI tooling, APIs, and developer automation. Remain hands-on with coding, debugging, architecture, integrations, security, testing, and release engineering while mentoring a small team. Partner with Product, QA, and Security teams, support the open-source ecosystem, improve developer experience, and guide technical strategy for enterprise and DevOps integrations.

Own and develop safety-critical firmware for autonomous transit vehicles, including RTOS applications, communication architectures, bootloaders, drivers, board bring-up, diagnostics, and automated testing. Lead cross-functional embedded projects, optimize performance on resource-constrained platforms, establish engineering standards, conduct code reviews, and mentor engineers. The role requires expert C or C++, embedded systems experience, safety-critical development, and typically seven or more years of production embedded software experience.

Lead the technical vision and architecture for scalable, secure, high-performance distributed systems. Provide engineering leadership, mentorship, and architectural guidance while driving reliability, automation, CI/CD, security, performance optimization, and technical strategy. Investigate emerging technologies, oversee complex problem-solving, establish engineering standards, and collaborate with product and business stakeholders to align technology roadmaps with organizational goals.

Own end-to-end architecture and implementation quality for an accounting and payments pod. Lead migration of billing processing to Go worker routines, build a reusable invoicing SDK with Storybook, define testing strategies, reduce technical debt, mentor engineers, participate in customer discovery, and promote AI-assisted development. The role requires strong backend, frontend, database, architectural, and mentoring experience in a fully remote product-led environment.

Define the technical vision and multi-quarter strategy for Coinbase’s FinHub financial infrastructure. Architect scalable ledger and money-movement primitives across fiat and crypto, ensuring double-entry accounting, idempotency, reconciliation, auditability, reliability, and safe failure recovery. Lead complex cross-team architectural initiatives, collaborate with finance, risk, compliance, and operations stakeholders, and mentor senior engineers while improving system design and operational excellence.

Design, build, deploy, and maintain resilient, scalable software for Toast Delivery Services. Develop real-time delivery tracking, driver matching, pricing, refunds, and payment-related systems. Solve distributed-systems and scaling challenges, integrate with partner APIs, uphold production reliability, promote strong engineering practices, and mentor teammates.

Build and scale accounting software synchronization solutions connecting BILL’s payment network with third-party accounting platforms. Lead end-to-end software design and delivery, develop scalable AWS microservices, improve platform performance, guide testing and CI/CD practices, resolve customer problems, mentor engineers, and use generative AI to accelerate development.