Top Software Engineer Jobs in Milwaukee, WI

Build end-to-end features in a JS/TS stack, designing scalable backend services and responsive real-time frontends. Improve observability, performance, and reliability, collaborate with product/design, and own full-stack implementation from APIs and data models to UI.

Develop full-stack enterprise applications and microservices using Java, Spring Boot, REST/OpenAPI, relational databases, JMS, and Kafka. Build automated tests, Docker containers, Kubernetes deployments, CI/CD pipelines, API portals, and React or Angular interfaces. Troubleshoot application, database, messaging, and cloud-native infrastructure issues while applying secure coding, API governance, observability, and event-driven architecture practices. The role supports federal civilian programs remotely during East Coast hours, requires U.S. citizenship, quarterly travel, and either Public Trust eligibility or an active Secret clearance depending on program.

Own and build Hercules’ billing, payments, subscriptions, usage-based billing, monetization, and commerce infrastructure. Integrate payment providers, support currencies and payment methods, and design reliable, low-latency systems with webhook processing, retries, reconciliation, and scalable usage metering. The role requires strong system design, architecture, data modeling, API design, code quality, product judgment, and proficiency with Hercules’ TypeScript-based stack, including React, Postgres, Redis, containers, and Temporal.

Design, build, test, deploy, and scale full-stack SaaS features across Angular and backend services using Spring. Develop APIs, optimize relational and NoSQL databases, integrate third-party systems, improve performance, support cloud infrastructure and CI/CD, implement security practices, monitor services, resolve incidents, and contribute to architecture and agile development.

Design, build, and maintain AI-powered B2B SaaS products across frontend, backend, and AI. Own projects end-to-end, collaborate with product and design, ensure maintainability, mentor teammates, and inform roadmap and implementation decisions.

Build and ship frontend features for a financial marketplace using React and Next.js. Collaborate with product, design, and backend engineers; contribute to architecture, component design, code quality, tooling, and the shared component library. Own work from design through delivery, participate in pairing and code reviews, and use AI-assisted development tools thoughtfully.

Build, maintain, and deploy a high-volume, fault-tolerant observability platform. Architect and develop OpenTelemetry-based systems, implement services in Go (concurrency/gRPC), work with ClickHouse/Postgres, Kafka/Redis streaming, and containerized deployments on Kubernetes/Docker. Evaluate new tools and improve platform reliability and performance.

Create and optimize high-quality, mobile-optimized character shaders and material workflows in Unity URP. Develop master materials, tools, and editor extensions (C#). Profile and debug performance on iOS/Android, collaborate with artists on look development, and ensure efficient rendering across mobile devices.

Design and implement backend features in Go, build data pipelines and REST APIs, work with PostgreSQL and AWS, contribute to scalable system design, and optionally develop React.js user-facing features while collaborating in a fast-paced AI-focused startup.

Build and scale a fintech platform across accounting, tax, and banking. Own feature lifecycle from design to deployment, write backend and frontend code, improve infrastructure and reliability, and collaborate with product and design to deliver customer-focused features.