Top Software Engineer Jobs in Milwaukee, WI

Design, develop, test, and maintain C#/.NET applications within the OneStream platform. Integrate APIs, databases, cloud services, and financial systems; troubleshoot performance and production issues; contribute to CI/CD and deployment automation; collaborate with architects, product managers, QA, and business analysts; research new features; and mentor junior engineers.

Develop and improve MongoDB’s distributed database networking and observability components. Responsibilities include writing production-level C++ code, enhancing performance, availability, scalability, and resource efficiency, integrating observability frameworks, leading medium-sized projects, collaborating across the product lifecycle, and participating in code reviews and technical design. The role requires strong software architecture fundamentals and an interest in networking, observability, and computer systems internals.

Develop and deploy full-stack software using AI capabilities, Java, Spring Boot, and microservices architecture. Implement SecDevOps practices, automate CI/CD pipelines and security testing, manage AWS infrastructure, and integrate services with existing systems and third-party APIs. Collaborate with security and cross-functional teams to implement controls, support compliance, and address vulnerabilities. The role requires 5+ years of software development experience and expertise with Docker, Kubernetes, Jenkins, Terraform, and related cloud and deployment technologies.

Build and operate reliable backend services for a developer-focused email platform. Responsibilities include owning features end-to-end, designing APIs and relational data models, scaling databases, building distributed systems with queues and background workers, managing AWS infrastructure, improving observability and deployments, participating in on-call, and partnering with customers and support to improve the product.

Develop and maintain Medicare claims-processing software in a legacy mainframe environment using COBOL and related technologies. Responsibilities include coding, debugging, unit testing, requirements analysis, defect resolution, software installation, technical documentation, and Agile/Scrum collaboration. The developer will support DME contract operations, deliver moderate-complexity solutions, estimate tasks, and coordinate with team members, clients, vendors, and other organizations.

Design and implement infrastructure services for a GPU-as-a-Service platform. Build REST and gRPC APIs, bare-metal provisioning workflows, Kubernetes cluster automation, reconciliation loops, and durable asynchronous operations. Manage server enrollment, inspection, OS provisioning, cluster creation, hardware inventory interfaces, error handling, idempotency, and multi-tenant infrastructure reliability.

Build scalable data processing and exploration pipelines, ML infrastructure, and cloud-based applications. Write, test, instrument, and deploy software in Kubernetes environments while contributing to distributed systems and data-driven products. The role focuses on Python, big data technologies, containerization, and systems supporting marketplace intelligence.

Designs and operates production data infrastructure, ETL/ELT pipelines, APIs, containerized AWS services, and graph-based systems. Responsibilities include relational, document, and graph database architecture; data quality and lineage; CI/CD automation; and integration of blockchain, financial, and investigative data. Partners with R&D, data scientists, and investigations teams to deliver production software for federal and commercial clients.

Lead complex systems analysis, software design, development, testing, debugging, documentation, and application support. Coordinate technical project plans, evaluate vendor solutions, manage milestones, and collaborate with technology teams, business units, clients, and vendors. Mentor less experienced staff, monitor performance, recommend technology and process improvements, support budgets and risk controls, and contribute to strategic studies and due diligence.

Leads complex systems analysis, software design, development, testing, debugging, documentation, and application support. Coordinates technical project plans, milestones, vendors, business units, and development staff while mentoring less experienced employees. Recommends technology and process improvements, evaluates risks, supports budgets and audits, and ensures applications meet business and regulatory requirements.

Performs complex systems analysis, application design, development, testing, debugging, documentation, and application support. Coordinates development tasks, monitors less experienced staff, manages technical project plans, evaluates technology and vendor software, and recommends systems solutions. Collaborates with technology teams, business units, vendors, clients, and senior management while ensuring compliance with risk, regulatory, audit, and internal control standards.

Leads major technical initiatives while designing enterprise identity systems, authorization models, and scalable multi-tenant SaaS architecture. Builds platform components with .NET/C# on AWS, improves data pipelines, resolves complex production issues, and shapes the technical roadmap. Mentors engineers, drives architecture and reviews, coordinates across teams, and supports security, compliance, automation, and continuous platform improvement.

Build full-stack Django applications with a frontend focus, creating intuitive, interactive, and performant data visualizations for complex healthcare pricing data. Collaborate with product and engineering teams to define user experiences, prioritize features, write scalable code, test and debug systems, improve existing functionality, and translate user requirements into technical solutions.

Build and maintain a React/TypeScript operations portal and Supabase/PostgreSQL backend for autonomous aircraft medical logistics. Improve aircraft allocation, mission generation, telemetry ingestion, live dashboards, reliability, testing, logging, and observability. Integrate Python services with ArduPilot aircraft and simulations while collaborating with autonomy and simulation engineers to mature real-flight and digital-twin systems.

Own and expand a Three.js-based in-browser solar configurator: implement and optimize 3D geometry tools and workflows, build product-facing frontend features, collaborate with backend and computational teams, translate solar physics into usable design tools, define frontend/3D architecture, and ensure performant, stable UX across edge cases.

Own and expand a Three.js/R3F in-browser solar configurator: build and optimize 3D geometry tools and UX, collaborate with backend and simulation teams, ensure performant real-time rendering, and deliver frontend product features across the Aether platform.

Build and maintain enterprise web applications, APIs, and containerized microservices using Python and Django. Develop workflow engines, financial validation logic, relational database schemas, asynchronous integrations, role-based access controls, and CI/CD automation. Support complementary applications across multiple technology stacks while maintaining secure, auditable, and reliable systems.

Develops, tests, documents, enhances, and maintains software solutions using Appian and related technologies. The role includes application development, process modeling, system integration, security remediation, performance improvement, user story analysis, technical documentation, and collaboration within an Agile software development team.

Develops, tests, documents, enhances, and maintains software solutions using Appian and related technologies. Designs integrations with external systems, resolves technical issues, remediates security vulnerabilities, improves performance, participates in requirements analysis and Agile development processes, and documents standards. The role also contributes to planning, mentors other engineers, collaborates with team members, and stays current with software development practices and technologies.

Own performance optimization, reliability, observability, capacity modeling, and automated failover for Coinbase’s blockchain node infrastructure. Diagnose resource bottlenecks, reduce infrastructure costs, define SLOs and SLIs, support protocol upgrades, and improve node performance across distributed systems at scale. Collaborate with protocol integration, wallet, and indexer teams while applying backend programming and systems profiling expertise.

Lead the architecture, design, and development of complex backend software systems for data-intensive applications. Drive technical direction, implement new technologies, improve code quality, reduce technical debt, and promote testing and continuous delivery. Mentor engineers, conduct code reviews, collaborate cross-functionally with product and design teams, engage with customers, and help deliver maintainable, scalable solutions using backend technologies, databases, distributed computing, and cloud platforms.

Senior backend engineer responsible for designing, building, testing, and documenting scalable Node.js/TypeScript services and APIs. Lead projects end-to-end, enforce coding standards, write technical specifications, optimize performance, and mentor junior engineers. Champion Agile and CI/CD practices while providing technical thought leadership on backend architecture and data modeling.

Design, develop, and modernize scalable front-end UI applications using Angular and TypeScript. Lead large UI projects, enforce coding standards, write technical specifications, optimize performance, mentor engineers, collaborate full-stack, and support CI/CD and Agile practices to deliver user-centric features.

Develop and maintain Java enterprise applications using Spring Boot, microservices, REST APIs, Oracle, and MongoDB. Design scalable systems, conduct testing, remediate vulnerabilities, troubleshoot distributed environments, participate in code reviews, document solutions, and mentor junior developers. The role also involves Linux, Git, Maven, Docker, Kubernetes, CI/CD, and cloud platforms such as OCI or AWS. An active Public Trust clearance and cybersecurity certification are required.

Develop and maintain full-stack features for a secure, cloud-based medical imaging platform. Responsibilities include frontend and Perl API development, PostgreSQL query optimization and schema changes, debugging across web, database, storage, DICOM, and HL7 systems, code reviews, testing, documentation, and production support. The role also contributes to AWS, Kubernetes, Docker, CI/CD, and Agile initiatives while expanding across multiple languages and codebases.