Top Senior Software Engineer Jobs in Madison, WI

The Senior Software Engineer will lead the design and development of core capabilities for SingleStore's data platform, focusing on high-performance systems and mentoring other engineers. This includes solving system-level problems and implementing scalable solutions in a collaborative environment.

Design, develop, and maintain DPU firmware, optimizing PCIe communication, managing device queues, and collaborating across teams to enhance performance and solve complex issues.

Design and operate large-scale, AI-native cloud infrastructure (especially Kubernetes/AKS). Improve service quality, automate incident prevention/remediation, accelerate engineering productivity, and integrate AI tools into development workflows.

Design, build, and maintain highly distributed Azure cloud infrastructure services. Deliver new features, ensure high reliability and performance, monitor and alert on system health, act as DRI, and participate in on-call diagnostics and remediation.

Design, build, test, and operate production-grade, secure, and scalable software and services. Partner with customers to translate requirements into technical designs, drive engineering best practices (CI/CD, testing, observability), deliver end-to-end solutions, lead technical workstreams, and apply AI/LLM approaches where appropriate to produce production-ready outcomes.

Lead design and build of production-ready cloud and AI systems, prioritize security and reliability, ship solutions quickly using modern engineering practices, collaborate with cross-functional teams, mentor engineers, drive customer adoption, and deliver reusable assets and end-to-end complex deliveries.

Lead full‑stack engineering projects across frontend and backend, design system architecture, collaborate with ML researchers and clinicians, implement user‑facing features, define APIs, write tests (unit/integration/e2e), produce technical specs, and use cloud infrastructure and CI to ship iteratively.

Lead and execute automated and manual testing for complex web applications (functional, regression, performance, accessibility, and data validation). Develop test strategies, write and run automated test cases, perform SQL data validation, report defects, and collaborate with development teams and customers to ensure application reliability.

Design and build scalable shared platform systems and libraries used across product teams, define APIs and standards, influence cross-team architecture, perform code reviews, and maintain documentation to improve developer experience and platform reliability.

Design, build, and maintain ClearCheck .NET/WPF desktop software for radiotherapy plan checking. Implement DICOM integration, 3D image/dose/plan visualization and DVH evaluation, collaborate with physicists to translate clinical requirements, contribute to architecture, testing and code reviews, and mentor teammates to deliver performant, reliable medical imaging solutions.

Full-stack Senior Software Engineer building and maintaining the Flex web platform. Deliver production-ready features using Node.js and TypeScript/JavaScript with component frameworks (Vue/React). Apply system design, data structures, performance optimization, cloud and CI/CD practices, and relational databases. Leverage generative AI across the SDLC, mentor peers, own projects end-to-end, and collaborate in an agile team.

Design, develop, and operate distributed services for Azure Storage geo-replication. Improve durability, regional resiliency, failover readiness and disaster recovery. Collaborate across teams, analyze telemetry, diagnose production issues, act as a DRI, and leverage AI-assisted engineering tools to improve productivity and reliability.

Lead end-to-end design, development, and delivery of full‑stack features; drive architecture and code reviews; coordinate engineering work, write design docs and tests, and participate in Agile ceremonies. Must have blockchain/crypto experience.

Technical leader responsible for designing, building, and maintaining enterprise-scale digital platforms. Provides non-managerial direction to onshore/offshore teams, enforces architecture and coding standards, leads code reviews and CI/CD practices, supports Tier 2/3 incidents, optimizes application performance, and drives continuous improvement across development and operational processes.

Own end-to-end full‑stack feature delivery for a CCM/GRC SaaS platform: design, implement, test, deploy, and maintain frontend (Angular), backend (.NET/C#/Python) services, and data layers (Postgres/SQL Server). Mentor juniors, participate in code reviews, collaborate across engineering functions, and ensure platform reliability and performance.

As a Sr. Software Engineer at Bloomerang, you will lead technical direction, mentor engineers, and enhance SaaS solutions while utilizing .NET and AI tools. You will ensure scalable, maintainable applications, advocate for Agile workflows, and focus on quality outcomes in software development.

Design and develop software to onboard hardware accelerators and improve cluster-level storage performance. Collaborate across teams, produce design docs, implement and optimize code, perform tuning and RCA, act as DRI, and participate in on-call operations and scaling/validation efforts.

Design and deliver scalable control-plane and management services for Azure Storage at hyperscale. Lead architecture, reliability, and performance work for storage platforms that support AI workloads, adopt AI-assisted engineering practices, and own system health, incident response, and long-term technical roadmaps.

Senior software engineer responsible for architecting and implementing high-scale distributed systems, leading small engineering teams, mentoring junior engineers, and delivering reliable cloud-deployed services using Python, container orchestration, and CI/CD best practices.

Design and implement runtime protocols, formats, and systems to capture, serialize, stream, and replay interactive 3D content across engines. Own C++ runtime and C# APIs across editor, build, simulation, streaming, and playback. Optimize for low-latency, determinism, memory and bandwidth constraints, and build AI interfaces for inspecting and invoking engine state.

Work on Backblaze's storage platform (B2 Object Storage and Computer Backup) to improve durability, throughput, and architecture. Lead technical design, drive implementation of large features, shape coding practices, and participate across design, implementation, testing, and rollouts while collaborating proactively in a remote-first team.

The Staff Software Engineer will architect and implement core services and systems, provide technical leadership, and mentor engineers while focusing on scalable, high-performance software development.

Design, build, and operate large-scale, highly available distributed file storage services on Oracle Cloud. Lead architecture and development, troubleshoot and optimize performance, collaborate with product management, and establish operational best practices.

Build and maintain full-stack features for Marine and RV & Camping platforms, use AI-assisted tools responsibly, collaborate across teams, reduce technical debt, troubleshoot issues, mentor engineers, and write automated tests to ensure production reliability.

Build and support TimescaleDB Enterprise on‑prem deployment and management platform. Develop frontend tooling (React/TypeScript), backend services (Go), deployment automation (Ansible), and operational PostgreSQL tooling. Write tests across unit to end-to-end, collaborate with cross-functional teams, translate operational requirements into pragmatic product solutions, and iterate on reliability and usability.