Top Software Engineer Jobs in Peoria, IL

Design and maintain automated testing frameworks for cloud-scale distributed systems. Build performance, load, stress, integration, API, end-to-end, chaos, security, and infrastructure tests. Integrate continuous testing into CI/CD pipelines, analyze observability data, validate Kubernetes and microservices environments, and collaborate with Engineering and SRE teams to improve reliability. The role also participates in on-call rotations and helps establish QA strategy and standards across GPU infrastructure, serverless endpoints, storage, billing, and event-driven systems.

Lead technical ownership of InfiniBand and GPU interconnect fabric operations for hyperscale AI supercomputers. Drive incident response, deep multi-layer debugging across hardware/firmware/drivers/OS, and define failure models, playbooks, telemetry, and automation to improve reliability, observability, and scalability of GPU clusters and platform SLAs.

Develop and configure IBM TRIRIGA solutions for facilities and real property management. Translate stakeholder requirements into functional designs, workflows, test cases, and implementation plans. Collaborate with business sponsors, end users, maintenance technicians, and technical teams on solution design, troubleshooting, effort estimation, testing, documentation, and delivery. Work independently in cloud environments while supporting federal and commercial clients remotely.

Develop and maintain frontend and full-stack product solutions, owning features from design through implementation. Collaborate with stakeholders, product owners, UX teams, and engineers; contribute to technical design, estimation, testing, debugging, documentation, and code reviews. Improve engineering productivity and code quality, mentor junior team members, and build scalable, consumer-facing products using React, Next.js, APIs, ORM technologies, Storybook, and cloud platforms.

Designs, develops, tests, debugs, maintains, and integrates internal applications supporting business workflows, reporting, data accuracy, APIs, and compliance. The role gathers requirements, proposes process and technology improvements, estimates costs and savings, collaborates with IT teams, and supports enterprise-wide deployments. Development work includes Python backend services, JavaScript or TypeScript front ends, SQL databases, third-party API integrations, and unit, functional, and manual testing.

Design, develop, automate, and maintain scalable software infrastructure supporting Akamai’s global edge network. The role involves system architecture, code reviews, reusable component design, production debugging, on-call support, automation, and collaboration across teams. Candidates will use Python, Java, TypeScript, databases, CI/CD tools, and AI technologies to build resilient, high-performance applications serving millions of users.

Develop and optimize Microsoft .NET applications, legacy systems, and microservices with a focus on performance, scalability, reliability, and observability. Responsibilities include code reviews, performance testing, CI/CD integration, architecture and sprint delivery, legacy code and SQL tuning, cloud application deployment on Azure, automated testing, and resolving customer issues. The developer collaborates with architects, QA, technical support, and cross-functional teams using SAFe Agile practices.

Senior backend engineer responsible for designing, building, testing, and documenting scalable Node.js/TypeScript services and APIs. Lead projects end-to-end, enforce coding standards, write technical specifications, optimize performance, and mentor junior engineers. Champion Agile and CI/CD practices while providing technical thought leadership on backend architecture and data modeling.

Software Engineer Interns collaborate with software and test engineers to code, debug, document, develop automated tests, and implement software components. They translate user stories and requirements, support technical design and planning, and participate in testing and implementation within an Agile environment. The 10-week remote program provides practical experience to students pursuing technical degrees, with exposure to enterprise integration, APIs, event streaming, data integration, and generative AI tools.

Supports software engineers and cross-functional partners with coding, debugging, technical documentation, automated testing, and software development. Translates user stories and requirements into test scripts and software components, while contributing to technical design, planning, testing, and implementation within an Agile development environment. This is a 10-week remote internship for a currently enrolled college student.

Develop and deliver production-grade full-stack software across .NET/C# backend services and React front-end applications. Build reliable, scalable AWS cloud solutions, optimize relational and document databases, implement CQRS, and integrate AI-assisted coding workflows. Validate AI-generated code for security, quality, and maintainability while establishing guardrails and review processes. Collaborate with Product and QA, participate in code reviews, uphold engineering standards, and mentor other engineers.

Design, implement, test, and modernize backend services and integrations (TypeScript/Node.js and C++). Lead large projects, write technical specifications and API contracts, enforce coding standards, coach engineers, and drive legacy-to-modern migrations within online banking and core systems.

Develop and maintain full-stack healthcare applications using C#, .NET, ASP.NET Core, JavaScript, and SQL Server. Design APIs, services, background jobs, database procedures, and responsive interfaces; troubleshoot across application and deployment layers; write automated tests; modernize legacy systems; build secure healthcare integrations; and protect sensitive data. Collaborate with product, QA, support, and implementation teams while participating in design reviews, code reviews, testing, and release validation.

Develop and scale backend streaming and data infrastructure using Kafka, Flink, AWS, Kubernetes, and related technologies. Break down projects, deliver tested software, collaborate with product and engineering teams, monitor system availability, participate in on-call support, debug code, conduct code reviews, and contribute to team development.

Build and operate Dragos’s web application, GraphQL and gRPC APIs, and client SDKs. Develop React and TypeScript features, design versioned API contracts, maintain Python, TypeScript, and Go SDKs, and collaborate with Product, Design, and backend engineering. Improve performance, accessibility, observability, security, testing, and code quality while supporting security data at scale.

Lead development of Toast’s consumer-facing web experiences, building scalable guest and restaurant features across the stack. Collaborate with frontend, backend, iOS, and Android engineers using React, TypeScript, Next.js, APIs, and backend services. Own projects from development through launch, monitoring, and analysis while experimenting with users and influencing consumer product strategy.

Supports software engineering teams through coding, debugging, technical documentation, automated testing, and software component development. Translates user stories and requirements into tested implementations while participating in Agile design, planning, testing, and deployment activities. Collaborates with engineers, test engineers, business partners, and leaders in a remote, cross-functional environment.

Build and maintain scalable AWS infrastructure, observability platforms, Kubernetes workloads, Infrastructure as Code, and CI/CD pipelines. Develop automation tools and AI-assisted workflows, establish secure logging, metrics, and tracing standards, optimize cloud environments, and collaborate with security and engineering teams. The role also includes troubleshooting, documentation, code reviews, operational playbooks, and knowledge sharing.

Own end-to-end development of customer-facing web platform features, emphasizing React and TypeScript frontend development while contributing to Python backend services. Translate product concepts and designs into reusable, intuitive UI components, partner with Product and Design, engage directly with users, and use AI-powered tools to accelerate development while maintaining code quality and performance.

Build backend services, APIs, data systems, metrics, recommendations, and reporting features for Airbnb’s payments and Earnings Dashboard products. Translate product, compliance, and regulatory requirements into reliable code; improve performance, conversion, engagement, and availability; implement experimentation and observability; and collaborate with Product, Design, Data Science, Finance, Legal, and engineering teams.

Develops and supports Enterprise Content Management platforms, workflow automation, integrations, and content-enabled applications. Builds .NET services, APIs, automated tests, CI/CD pipelines, and infrastructure-as-code solutions. Troubleshoots application, database, and infrastructure issues; configures monitoring, alerts, and operational runbooks. Collaborates in Agile/Scrum teams with product owners, architects, and stakeholders while applying security, retention, privacy, audit, and reliability requirements.

Develop and support enterprise integrations for Oracle Primavera Unifier and related capital program platforms. Build REST APIs, data transformation processes, ETL pipelines, and workflow integrations using Python and SQL. Collaborate directly with clients and business stakeholders to deliver large-scale solutions, with opportunities to progress toward Senior Architect and Solution Lead roles. The position is fully remote and supports high-visibility capital programs.

Develop and enhance Ferguson’s custom Trilogie ERP system across multiple functional areas. Responsibilities include designing business-process solutions, owning software projects through implementation, integrating APIs and web services, collaborating with analysts, product owners, QA teams, administrators, and vendors, writing unit tests, reviewing code, and optimizing performance in high-transaction environments. The role also supports Trilogie’s migration from Unix to Linux and requires extensive UniBasic or Pick-based development experience.

Build and maintain backend services, REST APIs, cloud workspace provisioning systems, and resource orchestration infrastructure. Improve performance, reliability, scalability, and security while developing integrations, SDKs, and developer tools. Contribute to architecture and ship features from concept to production. The role requires strong TypeScript, JavaScript, and Node.js skills, backend and database knowledge, and familiarity with Docker, Linux, and cloud infrastructure.

Develop and enhance software applications as part of a remote Scrum engineering team. Responsibilities include building features, improving existing applications, participating in code reviews, attending technical refinement meetings, and supporting complex problem-solving. The role also involves integrating third-party APIs and occasionally handling customer support escalations requiring communication with customers and vendors.