Top Tech Jobs & Startup Jobs in Chicago, IL

Build and maintain low-latency connectivity APIs and integrations with crypto exchanges, OTC desks, brokers, and other trading venues. Develop order routing, trade execution, and real-time data ingestion systems using REST, WebSocket, and FIX. Monitor connections and data pipelines, improve reliability and observability with Grafana and Prometheus, collaborate on exchange onboarding, and create automated tests for production readiness.

Support social media presence by creating, editing, scheduling posts; engaging followers; tracking analytics; helping run campaigns; maintaining content calendars and healthcare-relevant, compliant content.

Build and ship core 0-to-1 systems connecting software, hardware, and finance. Responsibilities include designing abstractions over complex data and legacy systems, owning the full product lifecycle, developing production-grade LLM systems for loan underwriting and compliance, and contributing to engineering and product culture. The role requires strong backend and systems thinking, with comfort in full-stack development and UI design.

Conduct outbound prospecting through cold calls, research, and engagement to identify and qualify B2B sales opportunities. Introduce prospective buyers to clients’ hardware and software solutions, collaborate with sales teams on outreach strategies, maintain accurate CRM records, and monitor industry and competitive trends.

Design end-to-end web and mobile experiences for an entertainment and marketplace platform. Create user flows, wireframes, high-fidelity designs and prototypes in Figma, contribute to a design system, collaborate with product and engineering, and use research and analytics to iterate on accessible, user-centered interfaces.

Design, develop, and maintain scalable Python applications and cloud-native solutions. Architect microservices, containerized deployments (Docker/Kubernetes), optimize cloud infrastructure, build CI/CD pipelines, integrate messaging systems, ensure security and high code quality, and mentor junior developers. Generative AI/ML experience is a plus.

Leads buy-side and sell-side transaction advisory engagements, including financial due diligence, Quality of Earnings, working capital, net debt, valuation, and financial modeling analyses. Advises private equity firms, lenders, investment bankers, attorneys, and business owners on deal risks and value. Oversees engagement teams, client presentations, proposals, budgets, practice processes, and business development while ensuring deadline-driven deliverables and staff development.

Develops and executes product marketing strategies for transfer switch equipment across North America. Responsibilities include market and competitor analysis, product roadmaps, launches, lifecycle management, pricing, promotional campaigns, KPI tracking, sales enablement, customer support, lead generation, budgeting, forecasting, and localization initiatives. The role requires strong knowledge of electrical power distribution, mission-critical applications, North American standards, and industry sales channels.

Open application to join a team building a Bitcoin-native, non-custodial institutional lending platform powered by Discreet Log Contracts (DLCs). Candidates should explain how they would contribute to product, engineering, or go-to-market efforts to advance bitcoin-native finance.

Lead hands-on development of scalable software, APIs, integrations, automations, and core product features. Architect systems, make technical decisions, ensure code quality, optimize performance and security, and collaborate across Product, Design, Data, and Business teams. Mentor developers, conduct code reviews, shape the technical roadmap, and improve engineering workflows, CI/CD, and architecture. The role also explores AI, automation, and API-first technologies in a fully remote startup environment.