Top Software Engineer Jobs in Madison, WI

Lead the Compute Runtime team in building and operating Netflix’s large-scale cloud compute platform. Own Kubernetes data plane software, container runtime capabilities, container execution, and compute-node operating systems. Drive scalable, reliable, and efficient platform architecture, adoption, operational excellence, incident response, and cross-functional technical leadership. Guide technology strategy, evaluate emerging architectures and services, and contribute to open-source innovation.

Modernize legacy .NET and C# systems by reducing technical debt, refactoring monoliths into microservices, and re-platforming applications onto AWS cloud-native architectures. Build APIs, containerized services, infrastructure as code, and modern data migration workflows. Apply AI-assisted development tools for code analysis, refactoring, testing, and documentation while promoting simplicity, observability, scalability, and sound engineering standards.

Design, build, and maintain software applications; collaborate with engineers, analysts, and stakeholders; resolve bugs and production issues; write scalable, testable code; perform testing and debugging; produce technical documentation; mentor peers; participate in on-call rotation; leverage the team's data ecosystem to inform application design and improvements.

Software Engineering Interns will develop, test, maintain, and support internal and external web applications using .NET, C#, SQL, Angular, and RESTful Web Services. They will collaborate with IT teams, participate in Agile ceremonies and projects, evaluate technical tradeoffs, and build software development skills through mentorship and professional programming.

Build and operate production custody systems: signing service, key management, chain integrations, and transaction pipelines. Own end-to-end subsystems, integrate new chains, collaborate with cryptography on threshold signing and key recovery, write post-mortems, and produce clear async design docs and PRs.

Build and scale full-stack financial product experiences for OnePay’s employer benefits platform. Lead technical design, establish architectural and coding standards, optimize systems for reliability, security, performance, and scalability, and make technical decisions balancing rapid delivery with sustainable solutions. Collaborate with product, design, and operations to deliver features across web, iOS, and Android using distributed systems, APIs, and modern frontend technologies.

Lead and mentor a team of engineers while contributing hands-on to complex features. Define architecture, drive development best practices, conduct code reviews, coordinate cross-functional requirements, and ensure timely delivery of high-quality ecommerce marketplace software.

Software Developer Interns assist with building and testing software using the .NET stack, HTML, JavaScript frameworks, and related technologies. They implement product features, document code, participate in agile ceremonies, and collaborate with experienced developers. The role requires full-time summer and part-time academic-semester availability in a hybrid Milwaukee or Madison office setting. Interns must be pursuing a relevant degree and be available to start in June 2027.

Lead the architecture and delivery of TeamSnap’s Android advertising platform, including native, display, and video ad experiences. Build privacy-conscious consent and measurement capabilities, optimize performance, shape Kotlin and Jetpack Compose architecture, and lead cross-team technical initiatives. Partner with advertising, product, design, legal, and data teams while mentoring engineers and establishing Android standards.

Join a remote engineering team to write, test, and maintain code under senior guidance; participate in code reviews, standups, and sprint planning; debug and resolve application issues; and continuously learn new technologies and best practices.

Build and improve Azure Kubernetes Service capabilities for Linux and Windows containers. Develop distributed cloud infrastructure, automation, observability tooling, and reliability improvements at global scale. Support AI-native infrastructure, including GPU orchestration, model deployment, inference, and platform operations. Accelerate engineering workflows, prevent production incidents, integrate AI tools, and contribute to Kubernetes and cloud-native platform innovation.

Lead technical direction and major multi-team projects for Chainguard Containers. Design and operate secure container build pipelines, registries, distribution systems, and adoption tooling. Remain hands-on with Go development, architecture, code review, observability, and on-call operations. Form roadmaps with product and engineering leaders, make product-level trade-offs, mentor senior engineers, collaborate across teams, contribute to open-source and industry standards, and establish safe AI-assisted engineering practices.

Design and implement backend services, modernize legacy systems into microservices, ensure strong testing and production observability, and collaborate with Product and Engineering teams. The role requires independent project ownership, strong system design, AI-assisted development using tools such as Claude or Cursor, effective communication with nontechnical stakeholders, and adaptability in an ambiguous, fast-changing environment.

Design, build, and optimize production-grade applications on Azure while contributing to an observability-focused Azure service. Responsibilities include developing cloud-native systems, creating reusable engineering assets, supporting production environments through on-call participation, investigating incidents, improving reliability and performance, and influencing Azure platform engineering through customer insights. The role also involves direct engagement with strategic customers and strengthening technical capabilities across the organization.

Build and lead data catalog infrastructure supporting data discovery, metadata management, governance, quality, lineage, privacy, access control, and retention. Develop scalable metadata integrations, onboarding tools, data policies, and end-to-end lineage products across online, offline, machine learning, metrics, visualization, and third-party datasets. Collaborate with cross-functional infrastructure teams to ensure Airbnb data assets are cataloged, discoverable, governed, and compliant with regulatory requirements.

Performs functional, regression, integration, API, exploratory, and autonomous testing for government software systems. Validates AI-generated test cases and execution results, investigates failures, identifies defects and coverage gaps, documents traceability, verifies fixes, and collaborates with developers and stakeholders. The role also follows Agile testing standards, established automation frameworks, and government security and access-control requirements.

Build and operate secure, scalable full-stack identity and authentication systems using ReactJS, TypeScript, Java, and Node.js. Own features end to end, troubleshoot distributed systems, improve reliability, and lead AI-assisted development workflows using structured specifications and prompt engineering. Collaborate with product, design, security, and engineering teams while evaluating AI-generated code for quality, security, performance, and test coverage.

Leads software engineering for vector search and information retrieval capabilities in Azure data products. Designs complex architectures, develops high-quality and performant code, creates comprehensive test strategies, collaborates across research and engineering teams, and mentors engineers. Drives product integration, scalability, performance, release planning, and roadmap execution while applying expertise in algorithms, database internals, performance engineering, and AI-based retrieval.

Lead and mentor a small software engineering team while setting technical direction, facilitating Agile processes, writing maintainable code, and owning software delivery from requirements through maintenance. Architect reliable databases and secure, scalable AWS cloud infrastructure using infrastructure as code. Ensure healthcare data compliance with HIPAA and HITRUST and guide system architecture, API design, security, scalability, and CI/CD practices.

Lead the architecture, implementation, testing, and delivery of scalable customer-facing software systems spanning multiple teams. Make technical decisions, drive design and code reviews, integrate third-party SaaS platforms, improve system quality and performance, collaborate with product and UX teams, mentor engineers, and shape company-wide technical objectives.

Leads architecture, implementation, testing, and delivery of major customer-facing software systems spanning multiple teams. Makes complex technical decisions, drives code and design reviews, ensures quality and integration, collaborates with product and UX, mentors engineers, and shapes company-wide technical direction. Builds scalable distributed systems, APIs, cloud infrastructure, and third-party integrations while simplifying ambiguous problems and delivering reliable customer experiences.

Design, build, test, and deliver complex customer-facing software features and services for Slate’s digital platform. Own technical approaches, quality, APIs, cloud-based web services, integrations, and trade-off decisions. Collaborate with product and UX teams, conduct code and design reviews, identify risks, coordinate work, and mentor teammates while delivering reliable, scalable solutions.

Leads the design, development, and maintenance of complex backend software systems. Owns significant features end to end, builds scalable APIs and services, ensures code quality and performance, contributes to architecture and technical direction, mentors engineers, and collaborates with cross-functional teams. The role requires extensive C# and .NET experience, insurance industry expertise, microservices, cloud databases, automated testing, and containerized environments.

Lead the architecture and development of Green Dot’s cloud-native Banking as a Service platform. Design scalable APIs, microservices, event-driven systems, and integrations; guide CI/CD, testing, observability, security, and compliance practices; lead incident response and architectural decisions; reduce technical debt; mentor engineers; and partner with product and engineering teams to deliver reliable banking and payment solutions.

Develop and deploy responsive full-stack web applications from design through production. Translate product requirements into high-quality software, maintain pixel-perfect design standards, collaborate with product, design, and QA, and help guide technology strategy. The role acts as a technical lead on product initiatives and reports to the CTO, with a focus on AI-native development and secure fintech workflows.