React.js Developer/UI Designer

We are seeking a talented and motivated UI Developer and Analyst to join our dynamic team in Chicago. In this role, you will leverage your skills in user interface development while performing analytical tasks to enhance our product offerings. You will work closely with cross-functional teams to design, develop, and implement innovative solutions that align with business objectives.

Join our dynamic team at sonsoftinc as a UI Developer and Analyst, where you will play a pivotal role in creating intuitive user interfaces and analyzing user experience data. Your expertise will help shape the design and functionality of our applications, ensuring a seamless user experience.In this position, you will collaborate with cross-functional teams, gather requirements, and translate them into functional UI designs. You will also conduct user testing and analyze feedback to continuously improve our products.

Join our dynamic team at Sonsoft Inc. as a UI Developer. In this role, you will have the opportunity to design and implement user interfaces that enhance user experience while collaborating closely with our development and design teams. Your expertise will contribute significantly to creating innovative software solutions that meet our clients' needs.

Join our dynamic team at Sonsoft Inc. as a React.js/UI Developer. In this pivotal role, you will leverage your expertise in React.js to design and implement user-friendly interfaces for our innovative applications. Collaborate with cross-functional teams to deliver high-quality software solutions that enhance user experience.

Join Epro Inc. as a UI Lead Developer, where you will be instrumental in designing and implementing innovative user interfaces for our diverse range of projects. In this full-time, permanent role, you will work closely with product managers and developers to create seamless and intuitive user experiences. Take on a leadership role, mentoring junior developers and guiding the team to achieve excellence in UI design.

Join Sonsoft Inc. as a React.JS/UI Consultant in the vibrant city of Chicago. We are looking for a talented individual with a passion for creating intuitive user interfaces and engaging web applications. In this role, you will collaborate with cross-functional teams to design and implement solutions that enhance user experience and drive business success.

Join our dynamic team as a React.JS/UI Consultant where you will leverage your expertise in front-end development to create intuitive and engaging user interfaces for our clients. You will collaborate with designers, product managers, and backend developers to ensure seamless integration and exceptional user experience. This role provides the opportunity to work on innovative projects that challenge your skills and creativity.

Join our dynamic team at Sonsoft Inc. as a React.js/UI Consultant, where you will leverage your expertise in React.js and UI design to create exceptional user experiences. Your role will involve collaborating with cross-functional teams to develop innovative solutions that enhance our products and services.

Join CGS Federal as a Senior UI/UX Designer II, where you will play a pivotal role in enhancing user experiences for a major Federal agency's technical support initiatives.At CGS, we pride ourselves on uniting passionate and inventive professionals to tackle the government’s most pressing challenges using state-of-the-art technology. We seek individuals who are eager to drive innovation in government services, thrive in collaborative environments, and possess a keen ability to anticipate user needs. We foster a culture of support and professional development, offering numerous opportunities for growth.Key Responsibilities:- Spearhead comprehensive UX design projects, encompassing research, blueprinting, and assessment of existing systems.- Oversee the planning, design, and execution of multiple sites and applications concurrently in a dynamic setting.- Conduct user research and analysis to inform the creation of user-friendly web pages, application interfaces, and other innovative solutions.- Collaborate with engineers and federal clients to define and implement aesthetically pleasing, intuitive solutions for federal stakeholders.- Develop wireframes, storyboards, and site maps to communicate design concepts effectively.- Create scalable design resources to facilitate project collaboration and enhance CGS's creative services.

Join CGS Federal as a Senior UI/UX Designer, where you will play a pivotal role in a transformative technical support initiative for a major Federal agency.At CGS, we unite driven, talented, and innovative individuals to tackle the most pressing challenges faced by the government using state-of-the-art technology. We are looking for enthusiastic candidates who are eager to drive government innovation, thrive in collaborative environments, and possess a keen ability to foresee the needs of stakeholders. Our supportive workplace fosters professional development through diverse learning opportunities.Key Responsibilities:- Spearhead comprehensive UX design projects including research, blueprints, and system evaluations.- Oversee the planning, design, and deployment of multiple websites and applications for various clients in a dynamic setting.- Conduct thorough user research and analysis to create user-friendly web pages and application interfaces.- Collaborate with engineers and federal clients to design and implement innovative, visually appealing, and intuitive solutions for federal stakeholders.- Develop wireframes, storyboards, and site maps to effectively articulate design concepts for web and application projects.- Create scalable design assets to facilitate project teamwork and enhance creative service offerings.

Maven Securities Holding Ltd is a proprietary trading firm based in Chicago. The team trades its own capital using a mix of discretionary, systematic, and market-making strategies. The firm focuses on global listed derivatives, relying on strong trading expertise, advanced technology, and in-depth research to improve liquidity and market efficiency. Role Overview This Software Developer position centers on building and maintaining proprietary trading platforms. The work spans the full software development lifecycle, with a particular emphasis on frontend architecture and real-time data management. What You Will Do Participate in all stages of software development for in-house trading systems. Design and build a high-performance UI technology stack from the ground up. Improve frontend systems to handle demanding real-time data streams. Lead greenfield projects, shaping new software from initial concept through delivery. Work closely with Traders and UI/UX Designers to gather requirements and feedback. Add features that support user customization, sharing, and notification management. Refactor and resolve technical debt, especially in legacy multi-code processing areas. Expand the platform to support a broader range of datasets. Migrate legacy applications for pricing and external requests onto the strategic platform. Location This role is based in Chicago.

About Alpine Home Air Alpine Home Air stands as a leading direct-to-consumer HVAC company in the United States, operating for over two decades. The company is currently redesigning its customer-facing experience, including a full website overhaul, a new System Selector tool, and a buyer education platform filled with helpful content. Role Overview: Senior UX/UI Designer (Lead for Conversion & Product Experience) This remote role (with an option to work hybrid in Chicago) calls for a designer who can turn complex buyer journeys into intuitive, conversion-focused digital experiences. The Senior UX/UI Designer will guide the strategy and design for Alpine’s website and product interfaces. What You Will Do Direct the UX strategy, visual design, and interface systems for the Alpine website. Design landing pages optimized for over 100 unique HVAC buyer intents. Map out UI and UX flows for the new interactive System Selector tool. Build and maintain the Alpine design system, including typography, components, and responsive layouts. Redesign mobile-first user journeys to improve clarity, trust, and ease of use. Collaborate closely with engineering, product, and leadership teams to ensure precise implementation. Support a brand identity refresh and elevate visual storytelling throughout the site. Required Qualifications At least 5 years of experience designing complex, consumer-facing products or e-commerce platforms. A portfolio that demonstrates refined UX systems, clean visual design, and a focus on driving conversion. Ability to simplify complicated decision-making into straightforward user journeys. Strong visual sense and attention to detail. Experience working directly with developers in a product-driven setting. Comfort with iterative design, prototyping, and using data to inform design choices. Preferred Experience Background designing guided decision tools or configurators. Experience in home services, e-commerce, or marketplace businesses. Understanding of conversion rate optimization (CRO) methods. Why This Role Matters This position plays a central role in Alpine’s transformation. Improving the customer-facing experience will help lower acquisition costs, build trust, and define the company’s visual identity. Benefits Comprehensive health insurance (including HSA), 401k, paid time off, paid holidays, life insurance, and short-term disability. Support for educational and professional development opportunities. Flexible work arrangements: remote or hybrid in Chicago. All required computer equipment and training provided.

We are seeking a talented and enthusiastic SharePoint Designer with a strong focus on UI/UX to join our team in Chicago. This is an urgent opportunity for locals only. As a SharePoint Designer, you will play a crucial role in enhancing user experiences and creating visually appealing designs that meet our clients' needs.

Renterra is an innovative SaaS company funded by Series A, dedicated to revolutionizing the equipment rental industry, which is valued at over $100 billion. Our platform addresses intricate, data-intensive workflows spanning operations, logistics, and billing — tackling UI challenges that necessitate genuine design insight and technical prowess.We are actively seeking a Design Engineer who will take ownership of product design from inception to execution while making significant contributions to our React + Material UI frontend. This position is not merely about having design skills; rather, you will engage in designing with your preferred tools, rapidly prototyping, and directly implementing UI elements into our codebase.In this role, you will collaborate closely with the Product Manager and a compact engineering team, providing you with ample visibility and ownership of your work.

Operations Developer Join IMC Trading’s dynamic Middle Office technology team as an Operations Developer. In this pivotal role, you will design, implement, and sustain bespoke data pipelines and internal tools that enhance our reconciliation, reporting, and trade-related operations. Collaborating with analysts, finance, and trading support teams, you will thrive in a high-energy environment where reliability, automation, and operational excellence are paramount. Your Core Responsibilities: Collaborate with Mid-Office, Finance, and Trading teams daily to ensure timely data availability for reconciliation and reporting. Proactively monitor production issues and respond swiftly to minimize downtime in our operational workflows. Engage with various internal and external data providers to ensure prompt data delivery and provide feedback on data quality and formats. Participate in projects aimed at automating both new and existing operational processes. Document technical processes to enhance understanding and troubleshooting capabilities for business users. Develop and maintain front-end applications to adapt to our evolving operational landscape.

Join our dynamic team as a .NET Developer where you'll collaborate closely with clients, product owners, and team members to refine and design application features that deliver significant business value.As a key member of a self-organized agile feature team, you'll be a respected contributor in a collaborative environment.Your focus will be on automation and test-driven development, producing clean, maintainable code that can be deployed continuously.Engage in our high-performance workspace designed to enhance team interactions and foster innovation.Innovate and design improvements to our continuous delivery process with fresh, creative solutions.

Join our dynamic team at Sonsoft Inc. as an ASP.NET Developer, where you will contribute to innovative projects that enhance our digital solutions. As a key member of our development team, you will work on designing and implementing high-quality applications, ensuring scalability and performance.

Join our innovative team at stemxpert1 as a Perl Developer where your expertise in Perl programming will be utilized to build and maintain high-quality software solutions. You will work closely with cross-functional teams to deliver robust applications that meet our clients' needs.

Join our dynamic team at eproinc as a SharePoint Developer. In this role, you will be instrumental in designing, developing, and maintaining SharePoint applications. You will collaborate with cross-functional teams to implement solutions that enhance productivity and streamline processes.