Top Senior Software Engineer Jobs in Madison, WI

Technical lead for a Context Enablement pod building the context layer for coding agents: plugins, Dev Profiles, and a curated knowledge system (NECP). Define technical strategy, partner with platform teams, ship incremental production work, measure adoption, and mentor a team of engineers to improve developer productivity with agent-enabled tools.

Design and build high-volume, low-latency Conversion APIs and audience onboarding systems to ingest consented advertiser events (server-to-server, pixel, batch). Develop streaming and batch pipelines (Kafka, Flink), enable deduplicated identity-enriched datasets for retargeting, optimization, measurement, and reporting while ensuring privacy and regulatory compliance. Collaborate cross-functionally and provide technical leadership.

The Senior Back-End Software Engineer designs, develops, and maintains scalable backend systems while taking ownership of the software development lifecycle.

Build and operate scalable Kubernetes (EKS) infrastructure, develop Terraform infrastructure-as-code, maintain internal developer platform and tooling, support automation, security, and performance, and participate in 24x7 on-call rotations and incident escalation.

Design and build Azure Kubernetes Service features and AI-native infrastructure, improve service reliability and developer velocity, automate incident prevention/remediation, integrate AI tools, and operate distributed, containerized systems at cloud scale.

Lead architecture and technical direction for Ocient's Loading and Transformation platforms, designing scalable batch and stream ingestion systems. Own ambiguous, cross-team initiatives end-to-end, mentor engineers, and implement high-performance distributed software using modern C++ and/or Java. Partner with product, sales, and customers to translate needs into reliable, petabyte-scale solutions.

Lead design, build, deploy, and maintain PKI and key management API services for vehicle ecosystems. Own end-to-end lifecycle including HSM integration, certificate issuance/rotation/revocation, secure REST APIs, cloud/on-prem Kubernetes deployment, monitoring, and compliance. Mentor engineers, drive architecture, work with customers and embedded teams, and author security requirements and documentation.

Lead engineering of core scheduling and orchestration subsystems for an orbital edge compute platform. Own an MVP for autonomous scheduling across compute node fleets, scale to larger satellite fleets with data sovereignty, design performant and reliable distributed engines, build scheduling and workload-placement logic for intermittent-connectivity edge environments, and provide technical leadership while partnering with cross-functional teams to deliver secure, customer-focused solutions.

Build and operate backend systems and APIs (Go, REST/gRPC) for entitlements, policies, and customer onboarding. Lead cross-team integrations, extend AI features into customer experiences, own features end-to-end, mentor engineers, and drive a product-focused roadmap with iterative delivery.

Lead design, build, and launch a React Native companion app and ship full-stack features across a unified TypeScript stack. Own architecture, app-store release, accessibility (WCAG 2.1 AA), observability, incident handling, code reviews, mentoring, and improvements to CI/CD and testing.

Senior mainframe engineer delivering secure, resilient enterprise application solutions across the full lifecycle: analysis, design, implementation, testing, CI/CD, and production support. Tasks include COBOL/CICS/JCL development, DB2 data work, batch and online processing troubleshooting, SDLC and DevOps practices, modernization and integration (APIs, MQ, z/OS Connect), mentoring junior engineers, and ensuring release readiness, performance, and operational stability.

Design, build, and own scalable multi-tenant SaaS applications across frontend, backend, and data layers. Improve system architecture, performance, reliability, and testing practices. Integrate AI-assisted tools, mentor engineers, conduct code reviews, and collaborate with Product and Design to deliver intuitive, production-grade software.

Build and maintain full-stack features, data pipelines, and cloud infrastructure for large-scale ad management and analytics. Integrate with advertising platform APIs, apply ML/NLP for forecasting and recommendations, collaborate with product and marketing teams, and use AI coding tools to accelerate development.

Design, build, and maintain scalable backend services and APIs for millions of users. Collaborate with product and UX, implement automated testing, participate in on-call incident management, and mentor teammates while delivering complex distributed-system projects.

Own and evolve the AWS and Kubernetes platform, build Terraform modules, Helm charts, and GitHub Actions workflows, enhance platform capabilities with Go/Python, implement monitoring and runbooks, ensure secure CI/CD and data segregation, and support Node.js/React/Next.js engineering teams.

Lead hands-on design, development, testing, deployment, and support of firm-wide Revit automation and engineering tools. Own the automation roadmap, build integrations with Autodesk products and data sources, establish development standards, monitor adoption and reliability, and provide technical mentorship and code review to other developers.

Design, build, and maintain scalable data pipelines and ingestion agents for fleet robotics. Define efficient data formats/protocols, implement observability and big-data processing (Spark/Kafka), and build cloud tools (S3, Athena, SageMaker) for analytics, IoT integration, and long-horizon forecasting to improve robot performance and operational insights.

Volunteer senior engineer to develop a cross-platform medical/wellness app (web, iOS, Android). Own full SDLC: design, coding, testing, data models, pipelines, deployments, and collaborate in Agile processes. Attend weekly standups and commit at least 4 hours weekly.

Maintain and extend long-term supported forks of major JavaScript frameworks. Develop and secure code in JavaScript/TypeScript, backport fixes, triage and patch CVEs, build CI/CD and automation, collaborate with security and OSS contributors, and drive platform reliability and architecture decisions.

Own and evolve Roo's frontend platform and design system, building tooling, developer workflows, AI-assisted integrations, and migration paths to modern libraries (web and mobile). Partner with Product and Design, improve developer experience, and remove friction so teams can ship high-quality, consistent features rapidly.

Design, build, and scale GraphQL APIs, low-latency gRPC services, and SQL-backed wagering flows for online casino products. Own complex technical problems end-to-end, improve production performance and observability (DataDog), mentor engineers, and deliver integrations with game providers while operating services on Kubernetes and participating in on-call rotations.

Lead architecture and development of high-scale systems for ingesting, processing, storing, and serving user profiles. Drive cross-team initiatives across APIs, streaming infrastructure, and data processing. Improve scalability, reliability, data quality, observability, and performance while mentoring engineers and partnering with product, data, and ML teams to enable segmentation, personalization, and ML use cases.

Lead design and implementation of scalable APIs and agent communication layers for an AI-agent driven advertising marketplace. Build high-throughput backend systems, integrate agent frameworks and adtech partners, drive architecture for authentication and protocols, mentor engineers, and prototype agent communication patterns while collaborating with product and design.

Design, build, and maintain CI/CD pipelines, deployment tooling, and release systems. Improve build/deploy speed, troubleshoot failures, partner with product teams, and coach engineers to reduce delivery friction.

Build and own end-to-end, production-grade full‑stack features across backend, frontend, data pipelines, and infrastructure. Collaborate with stakeholders to translate business problems into shipped software, drive cross-team initiatives, and improve tooling and code quality. Use AI coding tools daily to accelerate development and maintain reliability for customer-facing products.