Top Software Engineer Jobs in Peoria, IL

Full-stack feature-team engineer working across UI, JavaScript, and backend to build scalable investment portfolio management web applications. Gather requirements with product and users, design solutions, implement and deploy code, and operate in Linux environments. Emphasis on strong computing fundamentals, Ruby on Rails proficiency, user workflow understanding, and clear communication.

The Senior Full-Stack Software Engineer will design, build, and scale backend services and APIs for financial transactions while collaborating with frontend engineers and contributing to technical design.

As a Software Engineer at Espresso, you will design and implement core blockchain infrastructure in Rust, focusing on transaction processing and consensus.

The role involves leading frontend development, maintaining UI components, overseeing CI/CD pipelines, mentoring engineers, and enhancing application performance in collaboration with cross-functional teams.

Lead design and delivery of enhancements to a next-generation AI agent platform. Own large features and infrastructure, mentor engineers, set technical standards, drive cross-team initiatives, improve reliability and SLOs, and influence product and process decisions to scale systems supporting millions of interactions.

The Principal Software Engineer will provide architectural guidance, mentor developers, manage risks, and ensure high-quality software production across various teams and product areas.

As a Senior Software Engineer, you will build and operate Upbound Spaces, resolve issues in SaaS environments, develop features, support project lifecycles, manage Kubernetes services, and enhance operational tools.

This role involves owning and evolving the backend platform for AI employees, mentoring engineers, optimizing system performance, and driving architectural decisions at Supernal.

The Senior Software Engineer will lead design for large cloud platform projects, troubleshoot system issues, and mentor engineers, focusing on scalability and reliability.

The Staff Engineer will lead the Systems team, design scalable cloud infrastructure, optimize data pipelines, and ensure platform reliability and security.

As a Senior Software Engineer, you will design and implement AI technologies to address complex logistics challenges and mentor team members.

As a Staff Backend Engineer at FloSports, you'll lead backend development initiatives, focusing on scalable distributed systems, authentication frameworks, and mentoring engineers while collaborating with product teams for technical solutions.

Lead architecture and design of full-stack, cross-pod systems; set engineering standards for quality, security, performance, and observability; mentor and grow engineers; partner with Product and Partners on technical strategy; own incident response and reliability; participate in on-call rotation and hiring/onboarding.

Design, implement, and optimize core frontend, backend, and model-integration components. Drive engineering direction, ship and scale LLM-powered applications, build robust APIs and streaming systems, establish CI/CD and instrumentation, and deliver production-grade agentic workflows with measurable reliability and performance.

Lead the design and implementation of APIs, develop data pipelines, and mentor teams on AI integration and Agile methodologies.

Lead technical strategy and architecture for a large-scale Content Platform that powers marketing campaigns. Solve ambiguous cross-team problems, design scalable backend and AI-driven systems, mentor senior engineers, and partner with product, design, and marketing to drive execution and engineering standards across the org.

Lead the creation of an AI-powered software generation platform, partner with AI and infrastructure teams, and define success metrics to enhance developer experience.

Lead design and reliability of a financial data extraction platform, minimizing human validation through AI, and enhance system correctness for scale.

Lead the architecture and reliability of a financial data extraction platform, reducing human validation reliance by enhancing accuracy and scalability of systems while leveraging AI-driven solutions.

Lead design and delivery of self-service platform capabilities: provisioning, deployment, observability, and multi-region networking. Drive RFCs and cross-team alignment, build APIs (primarily in Go), implement Terraform/GitOps flows, improve EKS reliability and Grafana-based SLOs, and reduce operational toil via safe, auditable automation. Own on-call rotation and platform adoption outcomes.

Lead frontend architecture and execution for high-traffic Search features using React and TypeScript. Build map-based visualizations, optimize client-side performance and state management, collaborate with product/design/backend, conduct code reviews, mentor peers, and ship production-grade web features.

The Senior Software Engineer will design and develop backend systems and APIs, mentor other engineers, and resolve complex integration challenges in healthcare technology.

The Senior Software Engineer will build and operate systems for Vanta's FedRAMP environments, focusing on reliability, compliance, and incident response, while collaborating with product teams and improving operational readiness.

The role involves designing, developing, and maintaining iOS applications, driving technical architecture, and promoting knowledge sharing within the team.

Own and modernize core data infrastructure and pipelines to ensure accurate usage capture, transformation, and monetization. Contribute to architecture, maintain integrations with billing/CRM/payment platforms, evolve customer account UIs, and improve legacy Laravel systems while collaborating across a distributed team.