Top Senior Software Engineer Jobs in Madison, WI

The Senior Software Engineer will enhance Flow protocol's architecture, improve performance, and ensure reliability for decentralized applications and services.

Lead team in developing Enterprise B2B solutions, uphold quality standards, drive AI adoption, mentor engineers, guide architecture and legacy modernization efforts.

The Senior Software Engineer will design and implement backend solutions for a social casino platform, collaborate with team members on architecture, and review code, while ensuring the product meets user needs.

The Open Source Engineer will expand LanceDB's integration with big data systems, manage dataset operations, and enhance open-source community efforts.

Own and deliver server-side features end-to-end for a cloud-hosted accounting SaaS: design data models and APIs, improve performance and reliability, mentor engineers, ensure observability and on-call readiness, collaborate with product and clients, and apply AI-assisted development safely to accelerate delivery.

The Senior Software Engineer role involves modernizing healthcare payment systems using C#, .NET, SQL, and cloud technologies while leveraging AI tools for efficiency.

Technical lead individual contributor who architects and delivers complex cross-team, customer-facing product initiatives. Partners with Product, Design, and Data to translate ambiguous problems into scalable solutions, raise engineering standards through code review and mentorship, address technical debt and performance, and influence roadmap and technical strategy.

The Senior Software Engineer, Fullstack will lead product development by collaborating with teams, owning projects from inception to production, and ensuring high-quality code and system performance.

As a Software Development Engineer III on the Maps API team at Mapbox, you will design and develop mapping tools, ensure service reliability, mentor peers, and promote operational excellence in a fast-paced evolving environment.

Lead test strategy and build scalable automated test frameworks for a custom Linux kernel. Validate performance, reliability, and security; develop test suites for kernel enhancements and VM software; debug low-level system issues; enhance CI/build automation; provide technical leadership and mentor junior engineers.

Lead design and delivery of the public-facing API platform and ingestion services. Build scalable, reliable real-time distributed systems, collaborate with product and data teams, review designs and code, address technical debt, take operational ownership using observability tools, and mentor engineers.

As a Senior Software Engineer, you'll build and operate the ML platform, optimizing data operations, managing the feature store, and supporting ML initiatives while driving architectural roadmap decisions.

Design and implement a high-performance, low-latency Java OLAP calculation engine core. Collaborate with product to translate designs into executable criteria, ensure correctness and performance, communicate technical concepts, and advocate for quality and robust JVM-level tuning and language/design improvements.

Develop AI/ML-powered features in ClickHouse Cloud, focusing on frontend and API architecture, UI/UX, and integrations with AI systems.

Own and evolve ClickHouse's Python connector and SDKs; build and maintain integrations with orchestration and transformation tools; design AI/LLM integration patterns (RAG, embeddings, feature stores); engage with open-source community; collaborate with Product and Cloud teams to prioritize and ship production-grade data integrations.

Expand and maintain Hudl's front-end platform to accelerate product teams: design and implement scalable, performant, accessible front-ends and tooling (Vite, Next.js), consult and review front-end work, support adoption of design systems, and mentor teams to improve developer experience.

The Senior Software Engineer will build scalable backend systems, design APIs, and integrate ML models, enhancing Yahoo's search functionality.

The Senior Software Engineer will design and build a collaborative web platform, managing backend and frontend systems, mentoring junior engineers, and driving architectural decisions. Responsibilities include API design, code quality assurance, and integrating AI into the development workflow.

Work on the Web Platform team to design, build, and scale a new content management system. Contribute to front- and backend services, participate in Agile sprints, make technical decisions, mentor teammates, and help migrate and improve content delivery and cloud infrastructure.

Design and develop scalable software solutions, lead engineering workstreams, ensure code quality, mentor junior developers, and collaborate on technical strategies to enhance digital experiences for BECU members.

Design, build, and maintain scalable .NET and Angular web applications across the full stack. Lead technical architecture, implement CI/CD pipelines, execute application and database migrations, write and test clean code, debug production issues, produce technical documentation, and mentor peers while collaborating with product, QA, and cross-functional teams using agile practices.

Senior SDET who contributes across frontend and backend systems by building and maintaining features with a strong testing mindset. Develop and maintain automated tests, improve test coverage and CI/CD, investigate bugs, support regulatory and compliance testing strategies, and balance automation with exploratory and risk-based testing.

Design and deliver large-scale, resilient AI and Kubernetes infrastructure for hybrid environments. Implement, optimize, and maintain cloud-native, container orchestration solutions; integrate AI capabilities; participate in on-call rotations; mentor engineers and drive reliability, observability, and performance at scale.

Design, implement, and maintain high-quality, highly available microservices for Azure Messaging and Fabric. Drive AI adoption to improve development practices, optimize system IO and performance, and lead innovation in product and engineering processes while following rigorous development and security screening practices.

Build and scale developer platform and AI-powered tooling to improve developer velocity, CI/CD observability, and Kubernetes reliability. Implement agentic coding/review workflows using LLMs, create self-service templates and automation, contribute to incident playbooks, and drive adoption via docs and enablement.