Software Engineer (Cloud, Cross-Platform & .NET Systems)
5 days ago
Chicago
Job Description We’re seeking an experienced Software Engineer to maintain, enhance, and modernize a suite of .NET-based applications while developing new cross-platform, mobile, and distributed systems. This role bridges legacy modernization with next-generation engineering, spanning .NET, Flutter, Go, Docker, Linux, and private-cloud services. A central component of this position involves integrating several independent internal applications to create a seamless, cohesive ecosystem across operational, logistics, compliance, and internal systems. The role also includes transforming a legacy Windows application into a modernized, forward-compatible software architecture. The ideal candidate is comfortable working across Microsoft and non-Microsoft stacks, private cloud environments, Linux-based microservices, modern front-end development, and mobile applications. Familiarity with AI-assisted development tools (Cursor, Copilot, etc.) is highly valued to improve both speed and quality. Key Responsibilities • Maintain, troubleshoot, refactor/modernize, and enhance existing .NET Framework / .NET Core applications., • Architect and develop APIs, microservices, event-driven components, and back-end systems for portals, dashboards, and enterprise workflows., • Build new back-end services using Go, .NET Core, Node.js, or Python for scalability and cross-platform compatibility., • Build cross-platform mobile and embedded applications using Flutter., • Develop lightweight, modern web interfaces using JavaScript/TypeScript with a strong focus on UX/UI design principles., • Integrate internal applications and data flows to improve cohesion across multiple sovereign systems, unifying workflows and reducing operational silos., • Plan and execute migration and modernization strategies to the organization’s private cloud environment., • Deploy and manage Linux-based services and containerized workloads (Docker)., • Design and manage CI/CD deployments using Docker, GitHub Actions, or GitLab CI., • Manage relational databases (SQL Server, Postgres, MySQL), including schema design and performance tuning., • Utilize AI-assisted tools (Cursor AI, GitHub Copilot) to enforce quality and accelerate delivery., • Collaborate with IT, engineering, and operations teams to ensure seamless integration and interoperability across business systems. Required Qualifications • 3+ years of hands-on experience with .NET Framework / .NET Core development., • Experience building cross-platform mobile applications using Flutter (Dart)., • Proficiency with Go or another compiled back-end language (Rust, Java, etc.)., • Practical experience with Linux service deployment, CLI workflows, and diagnostics., • Solid understanding of Docker and containerization concepts., • Experience deploying applications into private cloud or on-premises virtualized environments., • Strong experience with SQL Server; additional experience with Postgres/MySQL is a plus., • Ability to support and modernize legacy on-premise applications while designing new cloud-hosted replacements., • Working knowledge of API design, REST, GraphQL, microservices, and distributed systems., • Hands-on experience with AI-assisted development tools., • Experience converting monolithic applications into microservice or container-based architectures., • CI/CD engineering with GitHub Actions, GitLab CI, or Jenkins., • Strong UX/UI fundamentals, wireframing, and component-driven design., • Familiarity with authentication systems (OAuth2, SAML, JWT)., • Exposure to distributed logging and monitoring platforms such as Sentry., • Experience working with Atlassian tools (Jira, Confluence) and formal change-order or ticket-based development workflows (helpful but not require), • Excellent communication and cross-team collaboration abilities., • Strong analytical and problem-solving mindset., • Adaptable, self-directed, and eager to adopt new technologies., • Strong sense of ownership, accountability, and architectural quality., • 401(K) with company match from Day 1, • Blue Cross Blue Shield health insurance – medical, dental, vision, prescription, • Paid vacation, holidays, and personal time, • Optional life and disability insurance, • Safety bonuses for clean roadside inspections and safe driving records, • Paid training, PPE, and late-model, well-maintained trucks, • Boot reimbursement program, • Up to $2,400 company contribution to Health Savings Account (HSA)