Top Senior Software Engineer Jobs in Milwaukee, WI

The Senior Full-Stack Software Engineer will design, build, and maintain secure, scalable web applications using modern technologies, with a focus on AI-assisted development and application security.

As a Systems Engineer, you will enhance Windows support for Swift and develop features for internal projects and the Swift community, focusing on system architecture and tooling improvements.

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.

Lead design and development of complex, scalable features and services across applications. Provide architectural direction, mentor engineers, perform code reviews, improve CI/CD and testing, identify performance and scalability issues, and drive engineering best practices and documentation across teams.

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.

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.

Lead design, build, and operate scalable Salesforce data solutions and integrations. Drive architecture, migrations, ETL, data transformations, quality controls, observability, and platform modernization. Serve as senior technical contributor, mentor engineers, collaborate with stakeholders and data teams, and produce technical documentation and operational support for enterprise Salesforce data initiatives.

Build AI security features into Delinea's access proxy and platform: enforce just-in-time access, control agent-to-agent communication (MCP), connect and migrate capabilities into the platform while maintaining customer continuity.

Design, build, and maintain scalable customer-facing platform services and React SPAs using C#/.NET Core. Drive architecture, implement event-driven systems with Kafka, optimize distributed systems, ensure automated testing and CI/CD, mentor engineers, and collaborate with product and engineering leaders to deliver secure, high-performance solutions in cloud environments (Azure preferred).

Senior Software Developer on a greenfield Voice & Messaging team building serverless, event-driven real-time communications on AWS. Design, implement, deploy, and maintain production-quality Node.js services and real-time call infrastructure (WebRTC/SIP/LiveKit). Collaborate across distributed teams, review code, mentor peers, and ensure reliability, scalability, and regulatory compliance for mission-critical legal communications.

Design, build, and maintain scalable, secure Azure-based RESTful APIs and backend services using C# and modern .NET. Provide technical ownership across design, deployment, monitoring, performance optimization, security (Azure AD/OAuth/OpenID Connect/JWT), CI/CD, and production troubleshooting. Lead design reviews, mentor engineers, and improve cloud architecture and engineering best practices.

Design, build, and maintain Python backend systems and AI/LLM workflows. Develop containerized applications with Docker and Kubernetes on AWS, create prototypes and production solutions, collaborate with data scientists and product managers, ensure security and testing best practices, and help evolve architectures and mentor teammates.

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.

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 Algorithm Engineer develops and maintains algorithms for CUPO, debugging issues, collaborating with teams, and enhancing optimization for HVAC systems.

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

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.

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.

The Senior Software Engineer will architect and develop the Solver network, ensuring performance, collaborating with teams, and leading engineering standards.

The role involves leading frontend development, maintaining UI components, overseeing CI/CD pipelines, mentoring engineers, and enhancing application performance in collaboration with cross-functional teams.

The Senior Software Engineer leads design and development of scalable systems, oversees technical execution, mentors engineers, and ensures high-quality delivery in a cloud-based environment.

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 Senior Software Engineer, you'll ship quality software across the web stack, collaborate with product/design teams, and provide technical leadership within a small engineering team.

Lead architecture and delivery of scalable, secure web products. Collaborate with product and ministry stakeholders, guide vendors, review code, and ensure quality, security, and maintainability across platforms.

Lead and manage a high-performing engineering and DevOps team, developing software applications and cloud infrastructure, ensuring reliability and scalability.