Top Software Engineer Jobs in Peoria, IL

Develop and maintain backend services and RESTful APIs using .NET Core/.NET 5+, collaborate with React frontend teams, write unit and integration tests, query SQL Server/PostgreSQL databases, participate in code reviews and agile processes, and use AI-assisted development tools to improve productivity.

Design, develop, test, document, and deploy Salesforce solutions. Configure and customize SFDC, build integrations (SOAP/REST, ETL), support break-fix issues, produce system documentation, recommend third-party solutions, and keep current on force.com technologies and certifications while collaborating with stakeholders.

Administer and secure the enterprise low‑code platform, CRM, and AI development studio. Support environment strategies, lifecycle deployments, Copilot Studio governance, data protection policies, capacity tracking, audits, and basic analytics. Assist citizen developers and collaborate with senior engineers to ensure secure, compliant, high‑performing solutions.

Lead PeopleSoft FSCM 9.2 PUM upgrades and manage multiple PeopleSoft environments on Linux/Oracle. Configure middleware (WebLogic, Tuxedo), troubleshoot PeopleTools 8.6x, perform advanced Linux and SQL scripting, maintain search frameworks (Elasticsearch/OpenSearch), coordinate with DBAs, and document configuration and upgrade procedures. May require off-hours work during upgrade cycles.

Lead development and architecture for Pega-based workflow and case management solutions. Build scalable, highly available systems, integrate APIs and databases, drive CI/CD and TDD practices, mentor engineers, prototype Pega features (including Pega Blueprint AI), and improve performance, automation, and testing across the software lifecycle.

Lead and mentor an engineering team building and operating the DrChrono EMR within EverHealth. Drive architecture, delivery, and compliance for scalable, secure healthcare software; coordinate cross-functional teams, set technical roadmaps, and ensure HIPAA-aligned implementations using modern full-stack and mobile technologies.

Develop, maintain, and operate Mission Control web app and supporting microservices for satellite operations. Design and implement HTTP APIs, deploy critical infrastructure, and improve automation. Collaborate with cross-functional teams to ensure satellite scheduling, telemetry processing, and operational tooling meet mission needs. Support CI/CD, testing, and database-backed services.

Build and scale backend systems and APIs for Segment CDP, collaborate with product and design, identify performance bottlenecks, improve reliability, participate in on-call rotation, and drive architectural decisions balancing velocity and stability.

Design, build, and operate full‑stack features and platforms for Horizon. Work across frontend, backend, infrastructure, data, and developer tooling; formulate solutions, ship production code, improve reliability and developer productivity, and expand AI/agent-assisted workflows. Collaborate with product, customers, and cross-functional teams, review code (including agent-generated), and improve internal tooling, observability, and deployment workflows.

Lead Unreal Engine console ports, optimize performance and rendering, debug GPU issues, build tools and best practices, mentor engineers, collaborate with cross-discipline teams to meet certification and launch targets.