Top Senior Software Engineer Jobs in Tucson, AZ

Leads the design, development, maintenance, and technical direction of Java and Spring Boot backend microservices supporting commercial order processing. Responsibilities include architecture decisions, mentoring engineers, code reviews, stakeholder collaboration, software lifecycle ownership, quality initiatives, QA support, and building highly available systems using AWS, Kafka, GraphQL, databases, and infrastructure-as-code technologies.

Owns complex SQL Server data and performance challenges, including stored procedures, data warehousing, database tuning, SQL Server Agent jobs, administration, and large-scale datasets. Supports C#/.NET and React applications, API integrations, and data solutions. Analyzes telematics and safety data, troubleshoots production systems, maintains SQL source control and deployments, and improves system robustness. Requires independent problem solving, strong T-SQL expertise, and collaboration in Agile development.

Build and maintain Curai’s marketing platform, including web features, APIs, data flows, event tracking, attribution measurement, SQL models, dashboards, and ClickHouse-backed marketing analytics. The role partners with marketing to scope engineering projects, improves site performance and conversion, investigates data quality issues, reviews code, strengthens testing and monitoring, and makes technical decisions across the engineering team.

Senior Software Engineer responsible for shaping and delivering a new fundraising product from discovery through production. The role involves full-stack development, architecture, prototyping, customer collaboration, production troubleshooting, reliability improvements, and mentoring. The engineer will work autonomously in an early-stage business unit, use customer feedback and data to guide decisions, and contribute across interfaces, backend services, integrations, infrastructure, and AI-enabled workflows.

Leads architecture and hands-on development of scalable backend systems and APIs supporting real-time applications. Owns the engineering lifecycle, writes high-performance code, establishes testing and reliability practices, resolves production issues, guides technical roadmaps, collaborates cross-functionally, and mentors engineers. The role requires expertise in object-oriented backend development, distributed cloud systems, automated testing, system monitoring, and technical leadership.

Design, develop, and implement scalable software solutions and modern applications for consumer banking. Collaborate in an Agile environment, contribute to architectural and design decisions, build distributed service-based components, and incorporate scalability, manageability, and maintainability. The engineer will work across multiple initiatives, collaborate with teammates, mentor engineers, and help deliver consumer-facing products.

Develop and maintain scalable Python/Django backend features for Cyware’s Cyber Fusion platform across commercial and AWS GovCloud environments. Design microservices, REST APIs, AI and RAG integrations, multi-tenant architectures, and secure identity systems. Ensure FedRAMP/GovRAMP compliance through secure coding, audit logging, RBAC, encryption, testing, and continuous monitoring. Collaborate with DevOps, GRC, Security, and engineering teams on CI/CD, code reviews, production support, and platform improvements.

The Senior Software Engineer designs and develops software applications, optimizes APIs and databases, collaborates with teams, and ensures code quality through various testing practices.

Design, develop, test, deploy, and support distributed software applications integrating Gopuff with third-party systems. Build and maintain REST APIs, monitoring, and data-intensive services while leading cross-functional projects. Scope and delegate work, mentor engineers, promote development and testing practices, and provide technical leadership for an empowered engineering team.

Define architecture and metrics for autonomous driving evaluation, lead cross-functional integration across autonomy and simulation teams, develop statistical and machine learning methods, analyze large-scale time-series data, manage evaluation KPIs and release gates, and communicate safety and readiness insights through dashboards and stakeholder presentations.

Lead technical strategy and architecture for Azure Storage geo-replication, data protection, failover orchestration, and business continuity. Drive cross-team delivery, operational excellence, telemetry, automation, AI-assisted operations, and represent the team in executive and customer engagements.

Design, build, and own scalable multi-tenant SaaS applications across frontend, backend, and data layers. Improve system architecture, performance, reliability, and testing practices. Integrate AI-assisted tools, mentor engineers, conduct code reviews, and collaborate with Product and Design to deliver intuitive, production-grade software.

Build and own full-stack features for a global peer-to-peer learning platform. Responsibilities include defining problems with users and stakeholders, developing prototypes and experiments, writing maintainable code, coordinating contributions, deploying products, and improving existing systems. The engineer will also participate in code reviews, pair programming, product ideation, and technical decisions balancing speed, quality, safety, and user experience.

The Senior SDET will design and execute automated and manual tests across smoke, regression, integration, and performance testing. Responsibilities include building regression automation, documenting test behavior and results, identifying defects and quality risks, maintaining GitHub repositories and scripts, collaborating throughout the software development lifecycle, incorporating customer feedback, supporting planning and estimations, and participating in on-call rotations.

Designs, develops, and leads scalable healthcare software solutions involving transaction processing, interoperability standards, integrations, and data platforms. Provides hands-on engineering, architectural leadership, quality ownership, risk management, technical mentorship, and cross-functional collaboration. The role requires building high-performance cloud-based SaaS solutions using microservices and serverless architectures, while guiding engineering strategy and ensuring secure, reliable delivery.

Lead development of Device OS platform infrastructure connecting industrial machines and applications to Apkudo. Own integration services, APIs, software and model deployment, staged rollouts, rollback, fleet monitoring, telemetry, diagnostics, and operator-facing control surfaces. Partner with robotics, AI, design, and operations teams to create reliable interfaces and deployment workflows for heterogeneous distributed devices.

Build and own Android growth and monetization experiments across subscriptions, advertising, purchases, and upgrade flows. Partner with product, design, data science, and analytics to instrument experiments, evaluate results, and ship reliable experiences at consumer scale. Use AI-native workflows for specification, coding, testing, and review; improve mobile engineering practices; contribute to architecture and code reviews; participate in on-call; and mentor engineers.

Lead design and implementation of Pinterest Edge systems (CDN, TLS, DNS, proxies) to manage automation traffic and rate limiting at scale. Develop request-processing logic in Envoy, collaborate with vendors and platform teams, mentor engineers, use AI to accelerate workflows, and participate in on-call incident response and reliability improvements.

Develop and ship features for mobile games across Unity/C# clients and Go backend services. Collaborate with Product, Design, and Art, troubleshoot live-product issues, improve code quality, maintain build and content pipelines, conduct testing and code reviews, support releases, and investigate regressions. The role requires ownership from implementation through production with limited supervision.

Design, build, and maintain software using Domain-Driven Design, event-driven architecture, CQRS, and Event Sourcing. Use Cursor and Claude to plan, write, refactor, and test code. Collaborate with small teams, product owners, clients, and engineers to solve business problems, translate requirements into maintainable systems, and mentor teammates on architecture and agentic development workflows.

Build and scale reliable software systems supporting donor platforms, cash payments, and rapid-response programs. Own features end to end from architecture through deployment and monitoring, improve CI/CD and testing, troubleshoot production issues, and collaborate with product, operations, and data teams. The role also contributes to technical roadmaps and sustainable engineering practices in a mission-driven, fully remote organization.

Design and deliver scalable full-stack enterprise applications using Node.js and Vue.js. Lead architecture and technical design, integrate AI/ML capabilities, optimize development with AI-assisted tools, contribute to cloud deployments and CI/CD, and ensure security, observability, performance, and maintainability. Mentor junior engineers and collaborate with product, data, and AI teams.

Own and evolve scalable distributed systems, REST APIs, backend services, and core product areas. Design solutions, improve resilience, reduce technical debt, and drive modularization. Use AI-first and agentic development practices, evaluate emerging AI tools, and help integrate AI across engineering workflows. Collaborate asynchronously with product, data, and go-to-market teams while improving engineering tools, processes, and system reliability.

Lead the technical direction, architecture, migration, reliability, scalability, performance, and security of cloud-native authentication services. Drive complex multi-quarter initiatives using Go and Python across AWS and GCP, establish engineering standards, support incident response and observability improvements, and influence cross-functional roadmaps. Mentor engineers through technical guidance, reviews, and collaboration while participating in on-call support.

Architect and deliver distributed backend systems and infrastructure supporting customer service and KYC compliance workflows. Set technical direction, define roadmaps, lead end-to-end project delivery, mentor engineers, and build reliable high-scale services using Go, gRPC, TypeScript, React, cloud infrastructure, and DevOps tooling. Partner across teams and time zones to improve platform capabilities, workflow efficiency, cost, quality, customer satisfaction, and compliance outcomes.