Top Software Engineer Jobs in Peoria, IL

Design, build, and operate backend services and data infrastructure powering member-facing and clinical workflows. Implement and maintain APIs, optimize performance and scalability, debug production issues, and collaborate with product and frontend teams to deliver reliable, secure backend solutions.

The Senior Backend Engineer will design scalable backend systems, solve complex technical challenges, mentor junior engineers, and ensure the technical integrity of financial wellness tools.

Lead the development of user-facing features, collaborate with team members, and mentor others while ensuring a high quality of software design and implementation.

Lead the technical direction of an engineering team, making major technical decisions, mentoring engineers, and improving technical quality through reviews and effective communication.

As a Senior SDET, you will develop and lead test automation for product areas, mentor team members, and drive quality improvements across engineering teams.

Lead design and development of automated benchmarking tooling and processes for Elasticsearch at cloud scale. Define methodologies, run and interpret performance tests, investigate regressions, assist capacity planning, and mentor engineers. Collaborate cross-functionally to tune distributed systems and report benchmarking results.

Lead and scale reliability and DevOps/SRE practices for Grafana Cloud k6: define SLIs/SLOs, incident response, observability, runbooks, and guide architecture and cross-team engineering to improve availability and operational ownership.

Design, build, and scale features and services for global ticketing platforms. Implement APIs, optimize performance for high traffic, lead architecture, mentor teams, and ensure high-quality, well-tested code.

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.

Build and maintain the Cribl Search full-stack user experience: design and deliver scalable, high-performance web features, APIs, and visualizations; participate in full SDLC, on-call rotations, testing, and CI/CD practices.

As a Senior Software Engineer, you will design and develop backend systems, optimize application performance, and mentor team members while building intuitive front-end features.

This role involves designing delivery systems, maintaining CI/CD infrastructure, and facilitating efficient development for engineers, while contributing to cybersecurity efforts.

As a Senior Software Engineer, you will develop and maintain Alpaca's platform services, including event streaming infrastructure and authentication systems, while ensuring software quality and reliability.

Lead the design and implementation of full-stack solutions while mentoring junior engineers and driving agile development practices within the organization.

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

The Sr. Software Developer will design and develop systems, ensuring security compliance while coordinating with security personnel and conducting system code reviews.

Design, develop, test, integrate, and commission PLC/SCADA control software and automation systems for energy storage and power infrastructure. Configure SCADA/HMI, implement control algorithms, support FATs/SATs, troubleshoot systems on-site and remotely, and collaborate with cross-functional teams for safe, reliable deployments.

The Senior Software Engineer will build and enhance features for the Rise Course Authoring platform, focusing on usability and accessibility, while collaborating with team members and influencing application architecture.

Lead the technical vision and architecture for Internal Access Management, ensuring secure, auditable authorization across engineering systems. Mentor others and drive adoption of secure identity patterns in cloud environments.

Lead technical projects, collaborate with cross-functional teams, mentor junior engineers, and drive improvements in development practices in a cloud-based analytics platform.

Lead design, implementation, and maintenance of scalable backend systems and services. Improve performance, reliability, and deployments; operate production systems (incident response rotation); conduct code reviews; mentor engineers; collaborate with product, sales, and customers.

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

Build backend foundations for an agentic AI orchestration platform: design and implement APIs, orchestration layers, and scalable services integrating LLMs, vector databases, and observability. Implement CI/CD, testing, monitoring, and infrastructure-as-code; collaborate with Product and DevOps; produce clear architecture and documentation while ensuring security, performance, and reliability of AI-driven automation workflows.

The Lead Software Engineer will design and implement scalable web and mobile applications, mentor engineers, and drive technical projects across platforms.