Top Senior Software Engineer Jobs in Madison, WI

Lead the design and implementation of core authentication infrastructure at Phantom, focusing on secure authentication systems, secrets management, and API integrations.

As a Software Engineer at OnePay, you will develop and implement features, build scalable products, and work closely with teams to enhance customer experiences.

Design and develop full-stack applications and distributed systems, utilizing Python, Go, React, and Kubernetes while contributing to architectural decisions and rapidly prototyping new capabilities.

This role involves building and maintaining production-grade web applications using React and Next.js and developing cross-platform mobile features with React Native, while mentoring others and influencing technical direction.

As a Backend Software Engineer, you'll design, develop, and optimize scalable backend platforms and services while collaborating with cross-functional teams.

Develop and improve real-time drone tele-operations features, cloud-based products, and quickly prototype new front-end experiences while transitioning to a new tech stack.

Develop and deploy life-saving technologies as a fullstack engineer, focusing on web applications for public safety, collaborating with various engineering disciplines and leveraging customer feedback.

The Full Stack SDET will design, build, and validate high-quality software solutions, focusing on automation and quality assurance throughout the software development lifecycle.

Design and evolve data pipelines, ensure accuracy of business datasets, improve data reliability, and partner across teams to provide insights and solutions.

As a Full Stack Software Engineer, you will develop and maintain robust backend systems using Ruby on Rails, collaborating with cross-functional teams to enhance the real estate platform's performance and user experience.

The Senior iOS Engineer will lead product decisions, ship code for the iOS app, and enhance the app's architecture, ensuring a user-centric experience.

The Senior Rust Software Engineer will develop scalable ad components, implement privacy features, and collaborate with cross-functional teams to enhance Mozilla's advertising systems.

The Software Engineer will develop APIs, SDKs, and documentation for OpenRouter, enhancing the developer experience and expanding platform features.

The Software Engineer will scale and optimize the platform's infrastructure, manage data layers, and enhance system operations to support growing LLM requests.

Develop and enhance MAAS core components, improve architecture, collaborate across teams, and ensure high standards in documentation and CI practices.

The Senior Software Engineer II will lead projects, define testing strategies, mentor engineers, and improve system reliability at Zippy.

As a Senior Software Engineer, you will build and enhance internal systems and tools that enable product engineering, focusing on high-quality software across the core platform, and contribute to intelligent AI-driven product capabilities.

As a Senior Software Engineer, you will enhance the enrollment process, lead complex projects, design scalable systems, and mentor junior engineers. Collaborate with cross-functional teams to improve member outcomes through technical innovation.

Lead efforts in Platform Infrastructure, designing architecture and guiding engineers to build scalable, data-intensive systems. Drive operational excellence and mentor teams on AI-native software development.

Design, build, and operate reliable backend systems while mentoring engineers, participating in design discussions, and improving system performance.

The Lead Systems HPC Engineer will optimize GPU clusters' performance, troubleshoot issues, integrate new hardware, and collaborate with teams on system-level software development.

The Senior Platform Engineer will enhance internal tooling, optimize CI/CD pipelines, and ensure AWS infrastructure reliability and security while facilitating fast software development and deployment.

The Senior Software Engineer at Alkami builds user experiences for bank administrators and customers, focusing on coding best practices, system design, and technical guidance in an agile environment.

The role involves developing and implementing architectural strategies for the EnCompass platform, enhancing team collaboration, driving innovation, and ensuring compliance while managing software engineering projects.

The Staff Software Engineer will lead design and development of cryptocurrency platforms, provide technical mentorship, and drive system reliability, while staying current on blockchain trends.