Top Software Engineer Jobs in Peoria, IL

The Software Engineer II designs and develops software applications, collaborating with teams to ensure high-quality solutions and maintain code standards.

The Staff Software Engineer will lead the design and development of scalable access control solutions for Identity and Access Management. Responsibilities include architecting authorization systems and mentoring engineers, ensuring high-quality, high-scale platform solutions.

As a Senior Backend Engineer, you'll develop and enhance authentication strategies, improve access management, and ensure security for GitLab users, focusing on scalable solutions.

As a Senior Software Engineer, you will develop and enhance core software libraries, maintain APIs, lead projects, and mentor junior engineers while collaborating in an Agile environment.

The Staff Software Engineer will lead technical projects, mentor junior engineers, manage system health, and collaborate across teams while writing high-quality code and documentation.

Develop ML/RL models and infrastructure for AV simulations, optimize training loops, and support project timelines in autonomous vehicle tech.

Develop and maintain scalable backend solutions using Django, improve code quality by addressing tech debt, and participate in product development.

Lead architecture and implementation of a new frontend platform, define org-wide frontend best practices, mentor engineers, collaborate with product/design/backend, operationalize tools and CI/CD, drive cross-team initiatives, and ensure high-performance, maintainable, and accessible frontend systems.

Lead backend engineering for high-volume, event-driven pipelines that power institutional reporting, billing, tax outputs and statements. Build and scale services in Go, design cloud-native systems, write well-tested code, and collaborate cross-functionally to deliver product and technical roadmaps that support revenue and trust for large institutional clients.

The Backend Software Engineer will design and maintain the TRR backend, optimize databases, enhance observability, and collaborate across teams to ensure system reliability and performance.

The SDK Software Engineer will develop and improve LaunchDarkly's SDKs, enhance performance, collaborate with teams, and maintain open-source repositories.

As an Associate Software Engineer, you will work on user-facing features, collaborate with teams, write clean code, and contribute to product development.

Responsible for developing high-quality, scalable applications, leading cross-functional technical efforts, and ensuring seamless integration of services while mentoring team members.

Design and build code-generation AI features, lead architecture and projects integrating LLMs and diffusion models, produce maintainable scalable code, mentor engineers, collaborate with PMs and designers, and influence technical direction and quality.

The role involves building customer-facing domain features using TypeScript for both frontend and backend development, improving customer experience, and ensuring integration with third-party services.

As a Software Engineer in Reliability, you'll architect and manage multi-cloud GPU infrastructure, ensuring performance, security, and scale while debugging complex hardware/software issues.

The Sr. Software Engineer will design, develop, and deliver high-quality software features, monitor performance, conduct code reviews, and support team members in technical problem-solving.

As a Senior Software Engineer at Vanta, you will lead technical projects, mentor team members, and build scalable infrastructure for the monetization platform, ensuring integration with business systems and transaction consistency.

Lead full‑stack projects for Upstart's Auto Refi and Auto Secured Personal Loans products. Collaborate with cross‑functional partners, make architectural decisions, deliver high‑quality, testable, resilient code, and propose ideas to improve product metrics and conversion.

Lead design, build, and scale real-time streaming infrastructure and data pipelines; collaborate with product and analytics; ensure operational availability and monitoring; set code and design standards; mentor engineers and drive delivery of quarterly goals.

Develop, configure, test, troubleshoot, and support Oracle CPQ (BigMachines) solutions and integrations. Participate in design sessions, build prototypes, execute CPQ admin tasks, perform unit testing, debug BML libraries, coordinate with stakeholders, mentor junior staff, and manage post-production priorities.

Full Stack Software Engineer II develops responsive React/TypeScript UIs and scalable backend services (Go/Node/Python) using GraphQL, PostgreSQL, Redis, and graph databases. Contributes to infrastructure automation with Docker and GitLab CI/CD, integrates AI/ML tools (LangChain, LLM APIs, RAG), and supports distributed teams. Requires eligibility for SECRET clearance and U.S. citizenship.

Design and build high-performance, data-intensive frontend applications for Loan Origination and Servicing platform. Collaborate with teams to deliver user experiences and optimize application performance.

Design, develop, and maintain high-quality mobile applications for healthcare, collaborating with cross-functional teams to ensure performance and security compliance.

Design, develop, and maintain mobile applications in Kotlin, ensuring healthcare compliance, collaborating with teams, and mentoring others.