Top Software Engineer Jobs in Peoria, IL

Lead full-stack engineering for a B2B partner portal: design and deploy React/TypeScript front ends, .NET services, and Python data pipelines (Databricks). Integrate LLMs and agentic development into product and workflows, mentor engineers, ensure quality engineering practices, and resolve production issues end-to-end.

You will develop and maintain components of the LLVM based toolchain, collaborating with the community while ensuring platform-specific optimizations and tests.

The Senior Software Engineer will develop orchestration and autoscaling for the Lucenia search platform, working with cloud technologies and Kubernetes to manage services and mentor team members.

The Senior Software Engineer will focus on Lucene's distributed indexing and query capabilities, improve code features, and collaborate with a global team.

As a Senior Software Engineer, you will design and implement a high-performance Solana validator client in Zig, translate Rust code, optimize performance, and collaborate with a team.

The Lead Quality Engineer will set quality standards, mentor a QA team, improve testing strategies, and enhance automation in AI-driven workflows.

As a Senior Software Engineer, you will develop product features end-to-end, collaborate with teams, and improve developer productivity.

The Senior Software Engineer will impact the architecture and development of a new platform, building scalable solutions and enhancing technical practices in a collaborative environment.

Design and develop scalable full-stack solutions, collaborate with teams to translate business requirements, and ensure code quality through reviews and testing.

Optimize Ubuntu integration across latest IoT and server-class hardware, lead customer engagements, and work with open source communities in a remote, collaborative environment.

The Senior Software Engineer will develop and enhance features for the Keeper Browser Extension, ensuring quality, security, and performance, while collaborating with cross-functional teams and following coding best practices.

Design, build, operate, and evolve backend services and runtime infrastructure for cloud orchestration and job execution. Own distributed, asynchronous systems, APIs, workers, persistence, and service-to-service coordination. Improve reliability, observability, testing, and operational tooling; lead cross-team designs and mentor engineers.

Design, build, and operate distributed, cloud-native full‑stack services and data pipelines at petabyte scale. Troubleshoot production issues, lead incident response and root cause analysis, mentor engineers, influence reliability/security/performance practices, and participate in on-call rotations to ensure highly available, scalable AI-powered legal data solutions.

Design, build, and evolve scalable backend systems for WWE Champions. Support live-ops, incident management, reliability improvements, and pre/post-release backend support. Collaborate with client (Unity) engineers, drive technical roadmap, mentor cross-functional teams, and optimize performance and content pipelines for live mobile games.

Build full-stack features for AI voice and chat products using TypeScript, Node.js, React, and Python. Integrate ASR/TTS and LLM improvements, optimize production systems for latency and cost, participate in on-call rotations, and collaborate with ML and product teams to scale enterprise AI conversations.

Lead design, development, and implementation of Salesforce solutions (LWC, Apex, Visualforce) including Experience and Commerce Cloud and Accounting Seed. Build integrations (REST/SOAP, payment gateways), CPQ and Marketplace apps, mentor developers, perform code reviews, and optimize platform performance and reliability.

Design, implement, and maintain scalable brokerage systems and middle/back-office services (gRPC microservices, React admin UI). Lead regional recruitment and reliability, mentor engineers, act as incident commander, collaborate with global teams, troubleshoot issues, and build solutions supporting multi-language/currency markets and regulatory requirements.

Design, build, and scale backend systems and APIs for high-transaction consumer products. Collaborate with product, credit, compliance, support, and analytics teams. Contribute to code reviews, technical planning, security, and operational excellence. Mentor peers and promote engineering best practices.

Design, develop, and configure Salesforce solutions (Apex, LWC, Visualforce) to meet business requirements. Integrate internal/external services, follow Salesforce best practices and governor limits, document solutions, support Product Owners, and collaborate with stakeholders and the Salesforce team. Maintain CI/CD/DevOps practices and enhance user experience.

Lead full-stack development using React, Node and TypeScript. Design scalable architecture, write and review code, ensure performance, accessibility and security, mentor off-shore teams, participate in Agile ceremonies, support production (including weekends/off-hours), and collaborate with cross-functional teams to deliver business-critical applications.

Design, build, and own large-scale distributed backend systems in Go to process billions of events and petabytes of data. Lead architecture, reliability, observability, and performance efforts; improve service communication and data pipelines; debug production at scale; mentor engineers and share learnings publicly.

Lead and mentor engineering teams to design and deliver scalable, high-performance systems. Define technical roadmaps, set code quality standards, drive architecture and technical debt resolution, collaborate with Product and Design, make technology decisions, lead hiring and interviews, and research new tools to solve complex problems while advocating for engineering priorities and timely feature delivery.

The Senior Software Engineer will enhance Flow protocol's architecture, improve performance, and ensure reliability for decentralized applications and services.

The Senior Software Engineer will design and implement backend solutions for a social casino platform, collaborate with team members on architecture, and review code, while ensuring the product meets user needs.

Own and deliver server-side features end-to-end for a cloud-hosted accounting SaaS: design data models and APIs, improve performance and reliability, mentor engineers, ensure observability and on-call readiness, collaborate with product and clients, and apply AI-assisted development safely to accelerate delivery.