Top Senior Software Engineer Jobs in Madison, WI

Design, build and maintain software solutions for an eCommerce platform, creating backend systems and code features while collaborating with cross-functional teams.

As a Senior Fullstack Software Engineer at Vanta, you will lead complex projects, set technical direction, design and develop new functionalities, and contribute to the engineering culture while mentoring other engineers.

The Software Developer will provide technical support, troubleshoot issues across products, and collaborate with teams on solutions while enhancing product reliability.

The Software Engineer will develop and support the MEMX Trading system, focusing on high throughput event-sourcing applications and resolving production issues.

As a Senior Software Engineer, you'll develop scalable backend systems, APIs, and foster collaboration across teams while mentoring junior engineers.

As a Senior Software Engineer, you'll lead the design and implementation of impactful software systems, collaborating with product managers and the open-source community to drive project success and ensure seamless integration with defense systems.

The Staff Software Engineer will develop and manage backend platforms for incentives and growth, ensuring robust operations and collaborating across teams to enhance Affirm's systems.

As a Senior Software Engineer, you'll design, develop, and maintain full-stack applications, utilizing TypeScript and modern frameworks while collaborating cross-functionally to enhance user experience and performance.

The role involves developing React Native applications for iOS and Android, collaborating with teams, mentoring developers, and ensuring high-quality code and testing practices.

The Software Engineer, Applications will lead AI application development, focusing on design, implementation, and cross-functional integration within the Product Organization, ensuring quality and reliability in production.

The Senior Full-Stack Software Engineer will develop robust solutions in React and NextJS, work on both front and back ends, and leverage AI tools for productivity. Responsibilities include modernizing applications, building modular components, and ensuring high code quality in a collaborative environment.

The Software Engineer will develop a modern data platform, manage architecture, write reusable code, and ensure system integrations. Responsibilities include collaborating with teams, documenting processes, and enhancing applications.

The role involves building backend systems, integrating enterprise solutions, and processing large datasets, focusing on B2B SaaS and big data in a startup environment.

Design and develop embedded software for luxury appliances; produce architecture and design documentation; implement and test code (unit, system, regression); integrate IoT/cloud (Azure IoT Hub), wireless (Bluetooth/BLE/Wi‑Fi), and RTOS platforms; support lab and production testing; contribute to CI/CD and requirements processes; evaluate third-party work and develop internal tools.

The Software Engineer will optimize support for new hardware architectures, write Mojo kernels, collaborate with hardware vendors, and improve portability infrastructure.

The role involves optimizing hardware support within a software stack for AI model deployment, collaborating with teams and hardware vendors to enhance performance and portability across platforms.

As a Senior Software Engineer, you'll enhance servicing decisions with ML models, improve experimentation, and scale decisioning systems for personalized borrower experiences.

This role involves leading web platform initiatives, mentoring senior engineers, architecting web applications, and implementing technical strategies for improved performance.

The role involves developing APIs, building internal tools, and collaborating with teams to enhance system performance while solving engineering challenges.

As a Senior Software Engineer, you'll build AI-powered features, integrate LLMs, design scalable systems, mentor teammates, and collaborate to enhance user experiences.

We are seeking a product-minded backend engineer to work on our Customer Studio product, focusing on data performance, analytics, audience syncing, and generative AI. The role requires strong architecture, scalability considerations, and product engagement.

The role involves developing tools for enterprises to manage Hightouch deployments, focusing on access control, change management, and data warehouse performance.

The Senior Software Engineer will lead and support a team in developing reliable and scalable backend systems, collaborating on product development, and improving infrastructure for secure communication between services.

Join the Query Integration team to enhance MongoDB's query engine, integrating features, improving performance, and contributing C++ code with a focus on database systems.

The role involves end-to-end ownership of features across the MERN stack, optimizing performance, collaborating on design, and participating in discussions like roadmapping and code reviews.