Top Senior Software Engineer Jobs in Madison, WI

Lead design and implementation of large-scale Pub/Sub and messaging services within Azure Event Grid/Microsoft Fabric. Define scalable, reliable architectures, drive testing and CI/CD automation, build developer tooling, mentor engineers, manage incident response and operational excellence, and collaborate with PMs, EMs, researchers, and customers to deliver production-ready cloud services.

The Senior Software Engineer designs and develops complex features within OneStream solutions, ensuring technical excellence and mentoring other engineers. Responsibilities include architectural design, UI development, API creation, performance improvements, and collaboration across teams.

Design, build, and maintain cloud-native applications using .NET and React. Develop backend services, APIs, and front-end interfaces while ensuring system stability and scalability. Collaborate across teams to improve healthcare solutions through software and AI-powered tools.

SewerAI seeks a Senior Full-Stack Software Engineer to develop an AI-powered sewer inspection platform, focusing on computer vision, geospatial analysis, and robust data pipelines.

As a Senior Software Engineer, you will develop and maintain Alpaca's platform services, including event streaming infrastructure and authentication systems, while ensuring software quality and reliability.

As a Senior Software Engineer, you'll design and build scalable market data systems, improve API architecture, and enhance overall system performance, contributing to Alpaca's infrastructure for trading financial assets.

The Senior Software Engineer will develop scalable systems for cash delivery, improve developer workflows, and collaborate with teams to enhance program delivery.

Lead as a customer‑embedded principal engineer to design, build, and ship production-grade solutions. Translate business needs into technical approaches, influence senior stakeholders, accelerate delivery in ambiguous environments, and transition work to FDE crews while driving long-term account impact.

Lead technical direction and deliver collision-free motion planning for humanoid robots. Design, implement, test, and deploy trajectory optimization, MPC, and sample-based planners; architect modular planning systems integrated with perception, state estimation, and control; develop algorithms robust to uncertainty; and provide cross-team technical leadership and mentorship.

The Senior Infrastructure Engineer will manage and scale LiveKit's core infrastructure, focusing on reliability and performance, while working on Golang code and automation for distributed systems.

As a Staff Engineer, you will manage and evolve shared multi-cloud database infrastructure, work with streaming systems, lead initiatives, and ensure observability and performance.

The Senior Software Engineer will own the development of full-stack features from UI to backend, mentor junior engineers, and drive technical decisions.

Design, build, and enhance Cority's software platform across product streams. Own features end-to-end, debug cross-system issues, drive observability, contribute technical direction, perform code reviews, mentor junior engineers, and collaborate with Product Owners to translate requirements into scalable technical designs.

The Senior Backend Engineer will design and build scalable cloud-native backend systems for real-time monitoring and automation in HVAC operations, owning the entire lifecycle of services and mentoring junior engineers.

Own quality engineering for Commerce: run structured manual QA, build E2E automation (storefront, checkout, brand portal), wire tests into CI, define Shopify-specific compatibility playbooks, set quality metrics and gates, participate in planning and spec reviews, and lead the teamto shift coverage left.

Design, build, and maintain scalable full-stack systems; own features end-to-end; solve complex distributed-systems problems; mentor junior engineers; collaborate with Product and Design; ensure code quality, testing, and scalability for commerce/3PL applications.

The Staff Software Engineer will lead technical initiatives, drive quality code, mentor engineers, and work on scalable systems in a high-impact team environment.

Seeking a Senior Elixir Engineer to develop scalable systems and contribute to technical decisions within product groups, focusing on Elixir and cloud technologies.

Design and develop scalable software applications, implement automated testing, mentor junior developers, and optimize performance in a remote environment.

As a Senior Software Engineer, you will design and develop user-facing products and back-office tools while collaborating with diverse teams to solve complex problems with innovative solutions.

Design and implement backend components for a distributed vector database, focusing on performance and reliability in high-throughput environments, utilizing C and C++, while collaborating on backend capabilities.

The role involves developing solutions for performance challenges in data management systems, debugging issues, and collaborating with teams to enhance the platform.

Lead design and implementation of the payment integrations platform (APIs, SDKs, embedded web), build scalable payment rails (ACH), drive technical roadmap, mentor engineers, collaborate cross-functionally, and improve operations via automation, tooling, and observability.

Design, build, test, and scale backend services and integrations (payments, billing, identity, partner integrations). Lead API design and production rollouts, build fault-tolerant systems and data pipelines, collaborate cross-functionally, and mentor peers to deliver frequent, iterative product improvements.

The role involves owning the email channel's infrastructure, developing frontend experiences, designing backend systems, and ensuring deliverability in a cloud-native environment.