Top Software Engineer Jobs in Milwaukee, WI

Own engineering delivery, organizational design, security, infrastructure, fraud initiatives, incident escalation, and cross-functional prioritization. Build scalable team structures, propose hiring plans, represent engineering to executives, and oversee infrastructure and data decisions. The role requires substantial engineering leadership experience, hands-on backend or full-stack development experience, and a track record of scaling engineering organizations at startups or scaleups.

Lead the design, development, and optimization of scalable web and mobile applications using Ruby on Rails, React, React Native, Docker, PostgreSQL, and AWS. Own architecture, APIs, data models, monitoring, performance, and code quality while collaborating with product, data, and DevOps teams. Provide technical leadership through system design, code reviews, mentoring, and continuous improvement in a remote-first healthcare technology environment.

Build and own end-to-end technical solutions for strategic customers, including architectures, product features, and full-scale integrations. Collaborate with customer engineers and executives, apply Python and software development expertise to solve complex problems, and communicate technical concepts clearly. The role is remote-first in the United States with regular travel to customer onsite engagements.

Design, build, and ship native Android features in Kotlin for BJAK's AI Neobank app. Integrate backend APIs, improve performance, reduce crashes, collaborate with product/design, use analytics to iterate, and add on-device AI where it improves UX.

Build and maintain low-latency connectivity APIs and integrations with crypto exchanges, OTC desks, brokers, and other trading venues. Develop order routing, trade execution, and real-time data ingestion systems using REST, WebSocket, and FIX. Monitor connections and data pipelines, improve reliability and observability with Grafana and Prometheus, collaborate on exchange onboarding, and create automated tests for production readiness.

Develop and maintain high-quality Android applications across their full lifecycle. Responsibilities include writing reusable code, creating unit and UI tests, debugging and optimizing performance, monitoring stability with Crashlytics and ANR reports, implementing analytics tracking, supporting feature rollouts and A/B testing, maintaining legacy apps, and collaborating with Product, QA, Backend, and Design teams.

Develop and support secure full-stack web applications using Python and JavaScript/TypeScript. Responsibilities include building responsive interfaces, backend services, RESTful APIs, database integrations, automated tests, CI/CD pipelines, and production deployments. The role involves Agile collaboration, code reviews, troubleshooting, monitoring, and secure-development practices. Candidates must hold Top Secret/SCI clearance with CI Poly eligibility, have at least five years of full-stack experience, and be local to Springfield, Virginia or St. Louis, Missouri for periodic onsite access.

Leads Accounts Engineering, managing approximately eight full-stack developers. Responsibilities include hiring, coaching, performance management, technical direction, architectural alignment, roadmap prioritization, project planning, operational reliability, on-call health, and delivery quality. The role partners with Product and Data Science, drives high-velocity product launches, manages platform and product engineering priorities, and promotes AI-assisted engineering practices.

Develop and maintain Oracle PL/SQL packages, procedures, queries, APIs, and database integrations for CEMS sustainment. Optimize database performance, troubleshoot issues, support deployments and migrations, collaborate with application and data teams, and document database structures and standards. The role requires active Secret clearance and U.S. citizenship, with experience in Oracle replication and AWS or OCI technologies.

Build and operate Go backend services powering Virta’s quote-to-cash systems, including contracts, pricing, billing, subscriptions, invoices, claims, and reconciliation. Lead ambiguous projects from design through production, improve billing correctness, create self-service tools for finance and operations, collaborate with non-engineering stakeholders, apply AI to development workflows, and mentor engineers. Work across application and analytics layers using event-driven architectures, SQL, cloud infrastructure, React, and TypeScript.