Top Senior Software Engineer Jobs in Milwaukee, WI

Lead development and maintenance of high-performance React Native apps across iOS and Android. Improve architecture, manage RN upgrades, debug native modules, own automated testing and CI/CD, optimize performance and stability, and mentor engineers within cross-functional product pods.

Senior Software Engineer responsible for owning and supporting the MCA international cash management platform. Duties include COBOL development, mainframe application support, Oracle Database and Linux administration, monitoring with Dynatrace, incident and change management via ServiceNow, vendor coordination (including Oracle Flexcube), troubleshooting production issues, delivering enhancements, and participating in Agile delivery to ensure platform reliability and regulatory compliance.

The role involves leading application performance improvements across multiple platforms, focusing on measurable metrics and driving engineering standards and workflow optimization, using both hands-on coding and strategic influence.

Lead UI architecture and design for responsive web applications; build reusable components with Angular/React/Vue and TypeScript/JavaScript; integrate UIs with RESTful microservices; enforce accessibility, security, testing, and CI/CD standards; mentor developers and collaborate with UX, backend, and DevOps teams in Agile environments.

The role involves leading software engineering efforts, mentoring junior engineers, developing Kubernetes solutions, and improving CI/CD processes. Requires extensive experience in cloud technologies and programming.

Design and implement CIAM backend services for authentication and authorization. Integrate identity systems, manage secure flows, and automate infrastructure.

Design, implement, and operate large-scale distributed storage systems ensuring data durability, availability, and performance. Build and maintain replication, erasure coding, and lifecycle systems; write high-quality Go/Rust/C++ code; participate in on-call rotations; troubleshoot production incidents; collaborate with networking, hardware, and capacity teams; lead scoped projects and drive infrastructure evolution.

As a Billing & Analytics Software Engineer, you'll design and maintain the billing pipeline, integrate billing systems, and develop customer-facing analytics dashboards to support revenue recognition and operational observability.

Lead design and delivery of scalable customer-facing features, services, and APIs that process real-time data and AI-powered insights. Build web experiences, contribute to LLM/AI workflows, ensure reliability through observability and rollout practices, and collaborate cross-functionally with Product, Design, ML, and platform teams.

Lead architecture, modernization, and development of Group Insurance applications. Modernize mainframe monoliths into Java microservices and micro-frontends on cloud, mentor distributed Agile teams, collaborate with enterprise architecture, product owners and infrastructure, and enable test automation and integrations. Approximately 10% domestic travel.

Lead frontend-leaning full-stack implementation work for carrier and enterprise integrations: architect reusable UI and API layers, author RFCs, guide technical delivery, enforce testing and security best practices, and partner with cross-functional teams to scope and ship production integrations.

Build and own Eve's marketing site and GTM engineering stack: integrate and optimize external tools, design AI agents for sales and marketing, implement webhooks and middleware to sync product/CRM data, and create programmatic campaigns and internal tools in partnership with Marketing, Sales, RevOps, and Product to drive growth and automation.

As a Senior Software Engineer in Trust & Safety, you'll analyze threats, design systems for abuse detection, and collaborate with teams to implement scalable defenses.

Design, build, and maintain scalable, reliable full‑stack systems. Contribute to API and architecture design, write testable code, debug complex issues, improve performance, automate deployments, and mentor junior engineers while collaborating with cross‑functional teams.

The Software Engineer will enhance data collection for AI model training, manage cloud infrastructure, and collaborate on dataset roadmap at Speechify.

Design, build, and modernize scalable backend services and data pipelines on AWS. Implement microservices and event-driven systems, ensure data quality and observability, support production operations, mentor engineers, and collaborate in Agile/SAFe teams to deliver compliant, high-performance Insurtech products.

Lead front-end technical strategy for Coinbase Advanced trading platform: define and execute a scalable roadmap, deliver a low-latency interface across web and mobile, mentor engineers, anchor complex projects, and ensure high standards for code quality and system design.

Lead architecture and delivery of Control Center platform capabilities (MCP tool registries, AI orchestration, access automation). Design agentic AI integrations, HITL workflows, and evaluation/guardrail frameworks. Own backend services, SLOs, observability, incident response, and operational readiness for Tier-1 systems. Drive cross-team technical direction, author TDDs, run design reviews, mentor engineers, and partner with Product and Security to deliver secure, scalable platform primitives.

Lead technical strategy for Solana staking at Coinbase, optimizing validator performance and driving cross-product integration while mentoring engineers.

Design and implement AI systems for customer support and compliance, architect solutions, mentor team members, and manage project deliverables.

Lead the technical strategy for Coinbase's Data Platform, architecting data systems for AI/ML workloads and ensuring data reliability, performance, and cross-functional alignment.

Lead technical strategy and architecture for Coinbase Payments, building high-availability, low-latency payment rails and funds-flow systems. Drive cross-team initiatives, enforce financial correctness (idempotency, reconciliation, auditability), improve reliability and cost efficiency using observability data, mentor senior engineers, and align stakeholders across product, risk, and compliance to deliver scalable global payment solutions.

Design, build, and operate core developer-infrastructure services (CI/build, deployment orchestration, test infra) at scale. Own services end-to-end including SLOs, observability, and on-call; drive measurable improvements in build/deploy/test metrics; lead cross-team technical projects and mentor engineers to improve developer productivity.

As a Lead Infrastructure Engineer, you'll enhance database reliability, automate infrastructure, collaborate on initiatives, and participate in on-call duties.

The Manager of Software Engineering will lead the Developer Environments team, enhancing developer productivity through effective environment provisioning and CI/CD workflows while mentoring engineers and implementing system reliability improvements.