Top Tech Jobs & Startup Jobs in Chicago, IL

Remote senior PHP developer role building fintech solutions. Work in a team using PHP 8 and Laravel 8 (or Symfony), integrate external services, design and optimize SQL databases, write unit/integration tests with PHPUnit, and use Linux/CLI. Emphasis on PSR, OOP, SOLID and common design patterns; Docker, GitLab CI, and composer experience are a plus.

Lead research and design of high-power wireless EV charging systems: perform high-fidelity electromagnetic and thermal FEA, model and simulate resonant circuits and power electronics, prototype and evaluate designs, prepare proposals and technical presentations, and collaborate with industry and internal teams. Publication and automotive experience expected.

Develop and maintain data aggregation and reporting systems, automated trading solutions, and service APIs. Work with network and file data streams, SQL/NoSQL and key-value stores, write unit tests, design data storage structures and algorithms, and use technologies like NodeJS, TypeScript, databases, WebSocket, ProtoBuf, and Docker.

Develop and maintain Android mobile applications in Kotlin. Implement MVVM/MVP and Clean Architecture, use DI frameworks, write unit tests, integrate network protocols (HTTP/REST/OAuth/JSON), publish apps to Google Play, follow code style and team development practices, and use Git and bug-tracking tools.

Develop and maintain data aggregation/transformation systems, automated trading solutions, and service APIs in Go. Implement concurrency, unit tests, network/file streams, and work with SQL/NoSQL databases and storage algorithms.

Manage hardware procurement: prepare quotes, research products, monitor quality and cost, negotiate with vendors, ensure timely purchase and delivery, handle returns, maintain inventory, and develop vendor relationships to improve pricing and margins.

Field-based technical sales engineer responsible for selling flexible OLED and display products, supporting accounts, addressing technical inquiries, providing demonstrations and training, resolving pre/post-sales technical issues, documenting customer requirements, and assisting installations and escalated technical support to meet territory sales quotas.

Manage end-to-end supply chain for computer hardware: procure materials, maintain inventory, forecast demand, process orders, coordinate shipments and billing, negotiate with suppliers, resolve supply issues, and communicate with customers.

Develop and maintain .NET Core trading systems for Linux with service-oriented architecture and multi-threaded processing. Implement async, lock-free structures and distributed systems, write unit and integration tests, optimize SQL queries, design data structures and algorithms, and work with communication protocols (SignalR, gRPC, HTTP). Use PostgreSQL, Docker, and AWS in the deployment stack.

Manage and optimize a WooCommerce e-commerce site: monitor performance and inventory, implement SEO and pricing strategies, run search engine ad campaigns, manage site updates, analyze sales trends, and ensure timely multitasking with attention to detail.