Top Senior Software Engineer Jobs in Milwaukee, WI

Lead design, implementation, and maintenance of scalable backend systems and services. Improve performance, reliability, and deployments; operate production systems (incident response rotation); conduct code reviews; mentor engineers; collaborate with product, sales, and customers.

Lead the design and implementation of APIs, develop data pipelines, and mentor teams on AI integration and Agile methodologies.

As a Staff Backend Engineer, you'll drive core commerce operations, deliver new products, collaborate across teams, and mentor colleagues.

Build backend foundations for an agentic AI orchestration platform: design and implement APIs, orchestration layers, and scalable services integrating LLMs, vector databases, and observability. Implement CI/CD, testing, monitoring, and infrastructure-as-code; collaborate with Product and DevOps; produce clear architecture and documentation while ensuring security, performance, and reliability of AI-driven automation workflows.

The Lead Software Engineer will design and implement scalable web and mobile applications, mentor engineers, and drive technical projects across platforms.

The Senior Software Engineer will build and evolve the Dispatch platform, ensuring reliability, performance, and scalability through backend development and integration of core services.

The Staff Software Engineer will lead technical decisions, mentor engineers, and design scalable systems for consumer-facing software at Stord.

As a Senior Software Engineer, you will build and scale core communication systems, develop full stack features, and ensure system reliability for a fast-growing SaaS company.

Lead embedded Linux development and customer-facing engineering: design/refactor real-time architectures, develop kernel drivers, debug low-level hardware/software issues, optimize performance, produce technical proposals, and ensure delivery quality for professional services engagements.

As a Senior Software Engineer at Elastic, you will enhance search features and functionality in Elasticsearch, work on algorithms, and collaborate with a global team to improve search relevance.

As a Senior Software Engineer (Backend), you will design and implement scalable applications, collaborate with agile teams, and mentor junior members while ensuring high code quality and performance.

The Senior Software Engineer will design, develop, and maintain backend services for an IAM platform, collaborating with cross-functional teams to ensure robust and scalable solutions.

As a Staff Software Engineer, lead the design of ticketing systems across web, mobile, and backend services, focusing on performance and scalability while mentoring engineering teams.

Design, build, and maintain backend systems while ensuring data integrity, performance, and reliability. Mentor engineers and improve existing services.

The Senior Software Engineer will develop and maintain the LLM gateway service, collaborate with teams to optimize customer workflows, and ensure high performance and reliability in software delivery.

The Senior Software Engineer will design and implement backend features for the Cloud Enablement team, focusing on high availability, error detection, and workload migration in Temporal Cloud. Responsibilities include system documentation, operational ownership, and enhancing system reliability and observability.

The Senior Software Engineer will build and maintain platform services and APIs for merchant integrations, focusing on reliability and scalability in a collaborative team environment.

As a Full-Stack Software Engineer, you will develop features and services using modern technologies, support legacy systems, and improve engineering practices.

Design, build, and optimize scalable, high-performance backend services and public APIs for global ticketing platforms; participate in design/code reviews, improve security against fraud/bots, and mentor junior engineers.

The Senior Software Engineer will design and implement high-performance backend systems in Rust, optimize software architectures, and ensure software quality while collaborating closely with teams.

The Senior Software Engineer will develop and maintain Ditto's React Native SDK, ensuring ease of use for developers, debugging across platforms, and collaborating with other SDK teams.

The Software Engineer, Mobile Transports will advance Ditto's mobile transport technologies focusing on networking performance and reliability across platforms. Responsibilities include designing, implementing, and optimizing mobile transport infrastructure, collaborating with teams, and monitoring system performance.

Design, build, and maintain scalable Scala-based Big Data applications and pipelines using Spark and Kafka. Participate in technical design, implement ETL/data modeling and performance tuning, write tests, troubleshoot production issues, and advise stakeholders on best practices to integrate enterprise data into an analytical warehouse.

Design, build, and maintain backend systems for metrics and monitoring, collaborate across teams, and debug production incidents.

Design, build, and scale backend services and APIs powering student-university integrations. Improve reliability, performance, and security across distributed systems; automate ingestion and workflows; collaborate with product, frontend, data, and customer teams; champion testing, CI/CD, observability, and mentor engineers.