Top Software Engineer Jobs in Madison, WI

Own and build full‑stack, growth-focused product experiences across the funnel (acquisition, activation, retention, monetization). Ship experiments, measure outcomes with analytics, iterate, and establish reusable infrastructure while collaborating with product, design, and data teams. Drive technical execution and lead end-to-end growth initiatives in a remote, product-led SaaS environment.

Lead design, develop, and maintain scalable full-stack web applications. Mentor engineers, perform code reviews, troubleshoot production incidents, optimize performance, ensure API-first design, support cloud-native deployments (Kubernetes), and participate in on-call rotations.

Provide expert software engineering to improve and optimize codebases used for AI training: bug fixes, feature development, refactoring, performance tuning, architecture recommendations, documentation, and cross-functional collaboration to support scalable AI training workflows.

Lead a pod as technical owner of core, scalable production systems: define architecture, improve reliability and processes, lead planning/releases, mentor engineers, and coordinate cross-functional delivery.

Design, build, and scale backend services and product features with focus on scalability, reliability, and performance. Contribute to system architecture, write maintainable code, improve observability and performance, and partner with Product and Design to deliver features. Drive projects end-to-end, participate in sprint planning, and mentor engineering best practices.

Lead full-stack growth engineering efforts to optimize top-of-funnel and intake workflows. Ship reliable, observable, and scalable features; connect technical investments to product and business metrics; build tooling and automation; integrate external partners; leverage data, A/B testing, and AI to reduce friction and improve conversions while ensuring privacy, compliance, and high-quality engineering practices.

Build and evolve APIs and frontend surfaces for data products. Translate business requirements into scalable systems, ensure data integrity, design frontend and backend architecture, improve developer self-serve tooling, collaborate with stakeholders, and mentor engineers while maintaining strong code quality and delivery practices.

Lead architecture and implementation of new school-safety products from concept to production. Design scalable, secure, and resilient distributed systems; build third-party and device integrations; collaborate with product and design; mentor engineers; and prioritize operational reliability, privacy, and compliance.

Lead company-wide transformation of test automation and quality engineering: define vision and roadmap, architect scalable testing frameworks across server/web/mobile/desktop, integrate AI/LLM for test generation and flakiness management, establish observability and quality gates, mentor engineers, and partner with leadership to embed quality across the SDLC.

Design, develop, and deliver scalable backend systems and components using .NET 10 and C#. Build and maintain databases and messaging infrastructure (PostgreSQL/SQL Server, RabbitMQ), deploy with Docker and AWS, apply DDD and ORMs, triage/prioritize work, and contribute to distributed, event-driven architecture with emphasis on reliability and idempotency.

As a Senior Full Stack Engineer, you'll enhance pharmacy services, optimize prescription workflows, mentor engineers, and solve technical challenges in healthcare.

Develop and manage control plane services for Flink, focusing on orchestration and reliability. Responsibilities include code quality, mentoring, and communication across teams.

Lead the architecture of Commerce Hub by defining core domain models, building intricate systems, and mentoring engineers while influencing product strategy.

As a Senior Software Engineer, you'll optimize distributed databases, focus on query efficiency, and collaborate on SpiceDB features, enhancing performance and reliability.

As a Senior Software Engineer, you will collaborate with teams to build tools enhancing healthcare, drive business outcomes, and adopt AI in development.

Lead the development of a search and data integration platform, ensuring architecture, integration, and delivery of complex software systems in a safety-focused environment.

As a Senior Software Engineer on the Identity team, you will enhance systems that process billions of events, ensuring performance and stability. Collaborate with teams to design algorithms for user identity, manage data quality, and improve capture accuracy.

As a Senior Software Engineer, you will create human-in-the-loop and fan-in-the-loop interfaces for AI-driven sports statistics, collaborating with teams to integrate AI models and build dynamic fan experiences across platforms.

The Senior Software Engineer will develop full stack software using Typescript, MySQL, React, and Next.js, oversee features from conception to production, and collaborate across teams at Ethena.

The role involves designing and developing full-stack features using Angular and Java/Spring Boot, building scalable services, and optimizing system performance. Responsibilities include API design, technical documentation, and collaboration with engineering teams.

Develop and maintain data lake platforms, write reliable code for data pipelines, and collaborate with senior engineers on design and architecture.

Lead design, development, and support of enterprise backend integrations. Build and enhance REST and SOAP APIs, evolve data/service models, develop scalable integration components, troubleshoot production issues, influence architecture, mentor engineers, perform design/code reviews, and collaborate with vendors and cross-functional teams to deliver reliable integrations.

Design, develop, and maintain scalable Python applications; collaborate with cross-functional teams to deliver features; ensure performance and quality; identify and fix bugs; maintain code quality and automation; lead and mentor team members using agile practices.

Build and operate production custody systems: signing service, key management, chain integrations, and transaction pipelines. Own end-to-end subsystems, integrate new chains, collaborate with cryptography on threshold signing and key recovery, write post-mortems, and produce clear async design docs and PRs.

Architect, build, and maintain scalable full‑stack applications using React, TypeScript, Node.js, and AWS. Own features end-to-end, optimize performance and usability, collaborate with founders, and use AI tools to accelerate development in a fast-paced startup.