Top Software Engineer Jobs in Madison, WI

Lead the design and implementation of end-to-end quality systems and testing frameworks. Own multiple testing layers (unit, integration, E2E, contract, performance, chaos), integrate automated tests into CI/CD, drive load/performance testing and monitoring, troubleshoot failures, apply AI tooling to improve workflows, and collaborate with engineers, PMs, and designers to improve coverage and reliability.

The Senior Software Engineer will design and maintain internal systems and automations for sales and marketing, focusing on integrations with CRMs and data management.

As a Senior Software Engineer, you'll develop and enhance a user-centric Android app, focusing on 3D scanning, architecting the app, and tackling hardware integration challenges. You'll collaborate with teams to translate user needs into technical solutions and establish CI/CD processes.

The role involves building decision science libraries and tools for mineral exploration, collaborating with teams to improve decision-making processes.

Build and maintain test automation, performance testing and analysis tooling for a distributed database (primarily in Python). Collaborate with stakeholders to create reproducible tests, extend developer tooling, and produce documentation and runbooks for maintainers and developers.

The Senior Backend Software Engineer will develop and optimize critical systems for the aerospace industry, managing project priorities and overseeing various software projects.

Seeking an experienced Software Engineer for the Spacetime team to develop systems for satellite communication, requiring expertise in algorithms and large-scale distributed systems.

The Mid-level Software Developer will design, develop, and enhance software applications, focusing on data integration and cloud environments, particularly using Python and SQL.

Lead platform reliability: define SLOs/error budgets, own observability and deploy pipelines, harden integrations with dental systems, operate LLM-driven workflows safely, build incident practices, and raise engineering reliability across the company.

Develop and enhance software solutions for mineral exploration, collaborating with geologists and data scientists, and driving insights from data systems.

This role involves developing AI-powered analytics interfaces and tools, collaborating with a skilled team to enhance customer data experiences.

Develop software for CNC machining, build high-performance algorithms, and collaborate on innovative digital products in advanced manufacturing.

Design, build, and maintain cloud-native full‑stack systems (frontend and backend) to migrate, preserve, and make government records searchable and accessible. Deliver Section 508‑compliant, secure software on AWS; follow API‑first design, CI/CD, automated testing, and agile practices. Mentor engineers and collaborate with cross‑functional teams to ensure performance, reliability, and user-centered outcomes.

Lead development of system test plans and automated system tests for multi-vendor routing and switching environments. Build and improve test automation and methodologies, validate Internet-scale routing protocols (BGP), review product and system designs for testability, and collaborate with Network Engineering and Architecture to reproduce real-world network scenarios and ensure platform reliability.

Architect, implement, and optimize cloud-based solutions; mentor junior engineers; design and deploy automated, production-grade systems; monitor cloud health and resolve incidents; apply cloud security best practices and healthcare compliance to ensure reliable, scalable infrastructure.

Lead the development of a scientific search platform integrating AI/ML capabilities for advanced search functionalities, guiding engineering efforts in building scalable, production-grade systems.

Build and maintain a customer-hosted full-stack web application: develop UIs and backend services, deliver production features, fix bugs and technical debt, improve development processes and pipelines, and collaborate with UX, Product, QA, and Customer Success to meet customer needs.

Design, build, and operate core platform infrastructure for an Agentic AI platform. Collaborate with cross-functional and ML teams to enable scalable, high-performance systems, provide production support and troubleshooting, and drive platform features that serve multiple products and engineering teams.

Design, develop, and maintain core platform infrastructure for an Agentic AI product. Lead foundational components, collaborate with cross-functional and ML teams, support production systems, troubleshoot performance and scalability, and cultivate developer-friendly frameworks and practices to enable large-scale distributed, AI-oriented workloads.

Design, develop, test, and deploy scalable cloud-native microservices in Azure using C#/.NET Core. Implement CI/CD, diagnose and fix defects, conduct code reviews, document APIs, mentor peers, and collaborate with architects and DevOps to deliver secure, maintainable platform services.

Lead technical vision and architecture for a full-stack healthcare platform. Build scalable backend services, APIs, frontend apps (React/Next.js), cloud-native systems, microservices, and AI/LLM integrations. Lead cross-functional initiatives, mentor engineers, establish best practices for CI/CD, observability, security, and performance, and collaborate with Product, Design, and Data teams to deliver reliable, HIPAA-aware solutions.

Lead design and delivery of platform capabilities that power a Federated GraphQL API and event-driven systems. Build and optimize gRPC endpoints, GraphQL APIs, and SQL for scale; own observability (DataDog, Bugsnag), mentor engineers, drive integrations, improve performance and reliability, and support customer-facing product teams across the organization.

Lead architecture and delivery of large-scale, cloud-native distributed systems. Own service lifecycle in Kubernetes, drive scalability and reliability, mentor engineers, participate in on-call, and coordinate cross-functional initiatives.

Build, ship, and maintain cloud-native and air-gapped delivery tooling (UDS/Zarf) across mission-critical environments. Contribute to system design, production support (on-call), security and interoperability, open-source contributions, and technical documentation. Mid-levels own scoped features; seniors lead architecture, cross-team initiatives, and mentor others.

Seeking a Senior Software Engineer with 5+ years of experience to design and develop large-scale distributed systems, mentor junior engineers, and manage complex projects in a dynamic setting.