Top Web Developer Jobs in Chicago, IL

The Product Engineer II identifies requirements for web services, manages product backlogs, evaluates service usage, and communicates development plans, cooperating with stakeholders and product management.

The Senior Product Engineer will oversee the development of ArcGIS web services, ensuring reliability and scalability while balancing customer needs and product goals.

The role involves leading the development of a high-performance Web SDK for fraud detection and risk management, implementing algorithms for device fingerprinting, and ensuring security and performance optimization.

Design and implement frontend applications using JS, CSS, React, and Flutter. Collaborate on technical specs and contribute to documentation, ensuring user experience and performance.

Build, maintain, and optimize responsive full-stack websites and web applications using HTML5/CSS3/JavaScript and PHP. Manage WordPress themes/plugins, integrate with MySQL, handle deployments, DNS, SSL, and collaborate across SDLC with Git-based workflows and CI.

This role involves developing features for the Backpack Wallet, optimizing performance, and managing projects from start to finish.

Build front-end features for Backpack Exchange, optimize performance, and manage projects from start to finish with a focus on React.

Build, design, maintain, and update websites and software applications supporting global language development and Bible translation work. Responsibilities include writing web content, developing with HTML, CSS, JavaScript, APIs, and WordPress, improving SEO, analyzing requirements, supporting users, documenting website management processes, and contributing to product roadmaps. The role requires independent and collaborative work, with travel to development-team meetings and language technology conferences.

Develop and enhance interactive enterprise planning, reporting, and analytics web applications using SAP Analytics Cloud and front-end web technologies. Build UI/UX components, integrate REST APIs, optimize performance and scalability, review designs, document changes, participate in code reviews, and collaborate with technical teams. The remote role supports a Washington, DC-based federal customer and requires Public Trust clearance and U.S. citizenship.

Develop and support interactive enterprise planning, reporting, and analytics web applications using SAP Analytics Cloud and front-end technologies. Responsibilities include building UI/UX components, reviewing requirements and designs, integrating REST APIs and data formats, improving application performance and scalability, documenting changes, participating in code reviews, and collaborating with technical teams. The role is remote, supports a Washington, DC customer, and requires Public Trust clearance and U.S. citizenship.

Leads end-to-end development of high-scale Yahoo Mail web features, from architecture and implementation through deployment, monitoring, and maintenance. Uses AI-assisted development tools while validating code for security, performance, accessibility, and correctness. Collaborates with product and UX teams, conducts code reviews, mentors engineers, and improves software lifecycle efficiency through automated workflows.

Own and improve an established Ruby on Rails web platform to boost SEO, performance, reliability, and UX. Ship fixes, tests, dependency updates, and releases; work across frontend, backend, and Postgres. Contribute to Python and React products, use AI-assisted tools, prioritize product-driven improvements, and grow into primary platform ownership.

Build and maintain WordPress pages using Elementor, troubleshoot site issues, perform updates and backups, and improve UI/UX and conversion performance. Support HubSpot forms, landing pages, tracking, routing, and occasional Unbounce work. The contractor will work independently with marketing and demand generation teams in a flexible, part-time U.S.-based 1099 engagement.

Direct AI coding agents to build and ship marketing sites, maintain brand voice and design discipline across five brands, own SEO and information architecture, run competitive research, and review/correct AI-generated code and copy to ensure production-quality outcomes.

This role involves building and maintaining the SAN.com web ecosystem, enhancing product features, improving CI/CD processes, collaborating across teams, and focusing on user experience.

Develop middleware components and services in .NET (C#) using Entity Framework, LINQ, WCF/WebAPI in an SOA environment. Build multithreaded, high-performance applications, design BAL/DAL layers, apply OOP and design patterns, perform SQL Server development and tuning, participate in design/architecture reviews, and work in Agile teams using CI/CD tools (Jira, Jenkins). Financial services/trading experience and MongoDB knowledge are desirable.

Design, build, test, and ship responsive web and React Native mobile features. Own end-to-end delivery, integrate with backend APIs (.NET BFF), implement auth flows, maintain reusable accessible UI components, contribute CI/CD and release processes, mentor engineers, and drive performance and accessibility improvements.

10-week full-stack web internship building real-time trading applications. Collaborate with traders, quants, and engineers using React, TypeScript, and Python. Own a project, write unit/integration tests, evaluate new technologies, and participate in Agile/Scrum and support shadowing. Present final work at program end.

Develop, maintain, and scale user-focused web and mobile applications. Write clean HTML/CSS/JavaScript, integrate back-end services and databases, collaborate with designers, document solutions, apply security and best practices, and stay current with web technologies.

Serve as the senior individual contributor and technical leader for customer-facing React and React Native web and mobile platforms. Own architecture, toolchain standards, design-system strategy, CI/CD, security, observability, and performance. Drive technical roadmaps, mentor senior engineers, run architecture reviews, and represent engineering with product, UX, security, and executive stakeholders to deliver scalable, resilient consumer experiences.

Work with designers, project managers, and developers to build, test, and maintain websites and CMS-based tools. Convert designs into XHTML/CSS themes, recommend architectures, work with databases (SQL), and contribute to open-source/web-authoring projects while tracking deliverables and learning emerging web technologies.

Support design and development of websites: convert designs to XHTML/CSS themes, implement web programming (PHP/ASP/JSP), work with relational databases, collaborate with project managers and designers, and contribute reusable web tools and CMS projects during a 3-month unpaid internship.

Work with designers, project managers, and developers to convert designs into CSS/XHTML themes, build reusable web tools, recommend architectures and emerging technologies, develop CMS-based sites, and test and deploy web projects while meeting deadlines.

Design, develop, test and support enterprise CSF websites and web applications using the Microsoft stack. Lead usability analysis, oversee data flows and interfaces, create technical specifications, manage testing and production issues, prioritize maintenance, and collaborate with business managers to deliver responsive, scalable full-stack solutions.

Design, build, test, and support web and client-server applications; lead custom SharePoint intranet development; implement front-end features using C#/.NET and JavaScript frameworks; optimize performance and scalability; produce technical specifications, documentation, QA, and user training; maintain .NET certifications.