Top Senior Software Engineer Jobs in Tucson, AZ

Build and operate blockchain network infrastructure integrating protocols such as Bitcoin and Ethereum with internal services. Design reliable APIs, SDKs, data contracts, observability, and SLOs; lead multi-quarter chain integrations, architecture modernization, and migrations. Improve latency, reliability, and cost for high-throughput distributed systems while owning production services and on-call responsibilities.

Provides technical leadership for Azure SQL databases supporting a highly available Azure service. Responsibilities include database performance tuning, reliability and capacity planning, schema changes, data migrations, observability, incident response, root cause analysis, operational automation, and technical strategy. The role partners with software engineers, SREs, and architects to improve scalability, durability, cost efficiency, and long-term service reliability across teams.

Designs application workflows, feature designs, testing protocols, and QA solutions for healthcare IT systems. Provides tier-2 and tier-3 support, troubleshoots complex incidents, evaluates application performance, analyzes service metrics, and coordinates with technology teams. Acts as a product owner and subject matter expert, facilitates Agile practices, mentors junior staff, documents workflows, communicates technical concepts, and partners with business and development teams to deliver quality solutions.

Leads the architecture and development of Greyspace, a realistic simulated internet for cyber ranges. Designs distributed services, APIs, orchestration, networking behavior, isolation boundaries, and operator workflows. Builds and reviews production software, validates DNS, TLS, web, and mail services, and ensures reliability through testing, observability, performance validation, recovery procedures, and deployment readiness. Partners across Product, Security, infrastructure, and engineering teams while mentoring engineers and driving technical standards.

Develop and enhance primarily front-end financial and benefits products using React, JavaScript, TypeScript, and Node.js. Build scalable web applications, APIs, integrations, and infrastructure; contribute to product requirements; write automated tests; troubleshoot production issues; and support secure, high-availability systems. Collaborate cross-functionally in an agile environment while working with databases and cloud technologies.

Design and implement PostgreSQL internals and indexing/query features for large-scale document workloads, extend query engine with BSON-aware operators and custom scan nodes, tune index pruning and storage, profile distributed systems for performance, collaborate with open-source DocumentDB/PostgreSQL communities, and participate in design/code reviews.

Lead test strategy for Akamai’s custom Linux kernel and OS imaging process. Design scalable automated test frameworks, validate hardware compatibility, performance, reliability, and security, and develop test suites for new hardware platforms. Troubleshoot low-level system issues, enhance build and continuous testing infrastructure, establish quality standards, and mentor junior engineers.

Design, build, and maintain scalable cloud infrastructure using AWS, GCP, or Azure. Implement SRE practices, monitoring, observability, capacity planning, Kubernetes and Helm deployments, CI/CD pipelines, automation, and cloud security controls. Collaborate with cross-functional teams, ensure compliance, and mentor engineers while improving reliability, availability, scalability, and performance.

Lead technical strategy and execution for multi-quarter initiatives, build and maintain software systems using AI, mentor and elevate engineers, collaborate across disciplines, and protect user privacy and security. The role involves working in an AWS and Kubernetes environment with technologies including Python, TypeScript, React, Go, Airflow, dbt, and Claude Code.

Own operations and reliability for hyperscale Azure GPU clusters and interconnect fabrics. Lead production incident triage, mitigation, recovery, root-cause analysis, and cross-stack debugging across hardware, PCIe, GPUs, firmware, drivers, and software. Develop automation, telemetry, diagnostic tools, operational playbooks, and escalation procedures to improve observability and reduce mitigation time. Partner with engineering teams and manufacturers to resolve systemic issues affecting AI training stability, GPU availability, and customer SLAs.

Define architectural direction for Azure Specialized platform services and lead the design of highly available distributed cloud systems. Drive reliability, scalability, observability, security, diagnostics, and operational improvements across engineering organizations. Establish service health frameworks, SLOs, metrics, and governance for mission-critical services. Mentor engineers, influence technical strategy, resolve complex cross-system challenges, and advance AI-assisted troubleshooting and platform modernization.

Design, develop, test, and deliver enterprise applications, APIs, services, integrations, and web applications. Own projects from architecture and technical design through production release and handoff. Troubleshoot complex issues across applications, databases, integrations, and cloud environments; contribute to architecture, code reviews, testing, CI/CD, documentation, and production support. Partner with Product, QA, Architecture, and engineering teams to deliver scalable, secure, maintainable solutions.

Design, build, and ship full-stack monetization features spanning payments, subscriptions, checkout, entitlements, reconciliation, and payouts. Integrate payment providers and third-party APIs while ensuring idempotency, retry handling, webhook reliability, and graceful degradation. Instrument features to improve conversion and payment recovery, collaborate with product, design, finance, and partnerships, and mentor engineers while using AI-assisted development.

Build scalable, API-first platform capabilities through manifest-driven development. Develop Java and Kotlin backend services and Python workers for third-party integrations, collaborate across engineering teams, participate in architecture reviews, and troubleshoot production systems using logs, metrics, and traces. The role requires expertise in highly scalable systems, object-oriented design, REST services, relational databases, responsive messaging, caching, and software quality practices.

Design and implement scalable backup software for endpoints, servers, and cloud applications. Develop Java and Kotlin services, optimize databases and queries, debug production systems, and resolve distributed-system performance issues. Contribute code, reviews, architecture discussions, documentation, and cross-team reliability initiatives. Mentor engineers and help deliver resilient products operating at large scale.

Lead development and architecture of highly scalable Java services supporting NinjaOne’s third-party patching catalog. Design high-availability systems, solve complex scalability and system-design challenges, improve quality and performance, collaborate cross-functionally, mentor engineers, and own technical initiatives. The role requires expertise in Java, RESTful APIs, Spring, relational databases, caching, asynchronous application design, and large-scale cloud systems.

Develop and architect scalable Java software for NinjaOne’s endpoint management platform. The role involves building high-availability services, leading technical initiatives, making architectural decisions, improving quality practices, collaborating cross-functionally, mentoring engineers, and addressing scalability, performance, and technical debt challenges.

Develop and scale backend patch-management software using Java and Kotlin for millions of endpoints. Implement enterprise software, design scalable systems, build REST services, work with relational databases and caching systems, and uphold rigorous testing and quality standards. Collaborate with AI workflow, server, platform, design, and product teams. React or Angular experience may support occasional frontend work.

Design, develop, launch, and maintain scalable backend systems and APIs used by merchant and partner integrations. Collaborate with engineers and stakeholders, balance speed with system quality, debug code, conduct code reviews, and write tested, extensible software. The role requires experience with distributed systems, Python or Kotlin, AWS, MySQL, and Kubernetes, along with strong communication and ownership of professional growth.

Senior backend-focused engineer to provide technical leadership across backend, APIs, and data pipelines. Collaborate with product, design, and stakeholders, author documentation, and drive engineering best practices on a distributed remote team building scalable energy software.

Build and maintain scalable AWS infrastructure using Terraform and AWS CDK. Design highly available cloud environments, automate operational workflows with TypeScript, implement policy-as-code guardrails, optimize cloud costs, and lead disaster recovery planning and testing. The role also involves CI/CD, Kubernetes, networking, identity platforms, cross-team consensus building, project ownership, communication, and mentoring junior engineers.

Build product features and improve technology platforms supporting claims processing and payment. Collaborate with subject matter experts, operations, and technology teams to design solutions that improve member experiences, operational efficiency, and provider relationships. The role requires individual technical contribution, ownership, comfort with ambiguity, and the ability to work across a broad technology stack in a fast-paced startup environment.

Design, develop, secure, and maintain mission-critical Microsoft-platform software for DoD programs. Build C# and .NET applications, responsive JavaScript and EXT JS interfaces, REST APIs, and optimized SQL Server databases. Apply secure coding, STIG, RMF, threat modeling, vulnerability remediation, documentation, and compliance practices. Integrate Kiro AI capabilities, collaborate with cybersecurity and engineering teams, and support deployment and sustainment in classified or controlled environments.

Build Exoware’s production infrastructure from the ground up, including deployment, scaling, upgrades, recovery, CI/CD, monitoring, telemetry, security, and operational tooling. Design reliable systems across Kubernetes, ECS, cloud services, networking, and storage while writing software to automate operations. The role requires architectural ownership, production infrastructure experience, and the ability to improve the underlying distributed systems through production insights.

Lead front-end architecture and cross-team technical initiatives for the NodeZero platform. Build scalable React and TypeScript systems, reusable components, developer tooling, and shared frameworks while improving performance, reliability, accessibility, observability, and CI/CD workflows. Mentor engineers, establish engineering standards, guide technical strategy, reduce technical debt, and collaborate with Product, Design, Platform, Security, and engineering teams.