Top Tech Jobs & Startup Jobs in Chicago, IL

Design, build, and optimize responsive, high-performance front-end interfaces for a Web3 DEX using modern JavaScript frameworks and TypeScript. Collaborate with designers, product, and back-end teams to integrate blockchain APIs and smart contracts, mentor junior developers, troubleshoot issues, and contribute to mobile-first/PWA development while ensuring scalability and maintainability.

Design, develop, and maintain scalable Python applications; collaborate with cross-functional teams to deliver features; ensure performance and quality; identify and fix bugs; maintain code quality and automation; lead and mentor team members using agile practices.

Lead top-line revenue growth through rapid Go-To-Market experimentation across paid channels, viral and AI-driven growth tactics. Own Google and Facebook paid campaigns, collaborate with sales, deploy sales and AI tools, analyze performance, and iterate quickly in a fast-paced startup environment.

Prospects and closes card plastics manufacturing sales opportunities for Fiserv. Responsibilities include market research, lead generation, product presentations, deal negotiation, sales pipeline management, and relationship building with C-suite and operational leaders. The role requires payments-industry sales experience, client engagement expertise, and up to 50% travel.

Lead global corporate legal work, including securities compliance, governance, international subsidiaries, employee equity programs, financing, M&A, venture investments, and strategic transactions. Advise operations teams, manage board and corporate records, oversee stock plans, structure legal processes for international growth, and support software licensing and intellectual property matters.

Design and develop scalable backend systems using Kotlin, Micronaut, and Spring. Build RESTful APIs, optimize PostgreSQL and Elasticsearch databases, implement RabbitMQ-based asynchronous processing, integrate AI tools, and create automated tests. Deploy and monitor services on GCP using Docker, Kubernetes, and Terraform. Collaborate cross-functionally, participate in code reviews, troubleshoot performance issues, and deliver reliable backend products.

Owns ongoing client relationships, drives ProShop ERP adoption, delivers product training, analyzes usage data, resolves workflow and configuration issues, and connects adoption milestones to measurable manufacturing outcomes. The role manages success plans, identifies churn risk, conducts value-focused business reviews, recommends relevant modules and workflows, and collaborates internally to advocate for clients. Strong product expertise, manufacturing knowledge, communication, teaching, data analysis, and problem-solving skills are required.

Intern will build Zepho's social media presence, create content, manage influencer relationships, and track performance metrics. This role offers potential for full-time conversion.

Provide general administrative support including greeting visitors, answering calls, managing mail, records, supplies, scheduling meetings and travel, assisting HR tasks, liaising with vendors, tracking budgets, and other office duties to ensure smooth operations.

Leads Horizen Labs’ business development and commercial strategy for quantum computing and deep-tech solutions. Responsibilities include defining target markets, building and forecasting the pipeline, closing enterprise partnerships and multi-year contracts, converting pilots into recurring revenue, developing cloud and ecosystem alliances, shaping pricing, securing non-dilutive funding, representing the company externally, and hiring a growing BD team.