Top Tech Jobs & Startup Jobs in Chicago, IL

Develop and maintain XNAT platform functionality for clinical and research imaging: design and implement features, write and test code (Java, JavaScript, Python), manage releases and CI/CD, triage defects, mentor junior engineers, integrate with adjacent systems (DICOM, JupyterHub, data lakes), and document architecture and upgrade procedures.

As a Senior Software Engineer, you will develop new products and improve engineering infrastructure while taking ownership of product deliverables and enhancing technical architecture.

Build and ship full‑stack product features on a Python/Flask backend and React frontend. Design REST/GraphQL APIs, work with SQLAlchemy and relational data models, integrate LLM/AI features, use async task queues (Celery), and collaborate with product, design, and engineers to deliver reliable, well-tested features end-to-end.

Own the full sales cycle for short-term rental and hospitality property managers: prospect, qualify, demo, and close SaaS deals. Collaborate with SDRs and internal teams, maintain HubSpot pipeline and forecasts, meet revenue goals, and travel quarterly for in-person meetings and events.

Owner's-representative scheduling lead for a multi-site data center program. Develop, maintain, and analyze Primavera P6 schedules; run weekly update cycles; perform site visits to validate progress; produce schedule and risk reports; ensure baseline integrity and change management; integrate procurement and equipment delivery; and align construction with commissioning and startup activities.

Design, build, and architect stablecoin and crypto infrastructure; integrate DEXs, DeFi protocols, and wallet providers; develop smart contract interactions; expand crypto product functionality and asset selection; collaborate cross-functionally; establish crypto development standards and ensure security and reliability for large-scale user experiences.

Owner of secure, scalable infrastructure and CI/CD pipelines for financial trading systems. Integrate automated security testing, manage vulnerabilities, audit deployments, support DR/BC and compliance, and promote security-aware engineering practices.

Design and fine-tune LLMs and RAG pipelines to parse regulatory texts and extract executable rules; build forecasting, classification, and risk-scoring models for supply chain; design robust data extraction and transformation pipelines (ERP/SAP, Data Lakehouse); integrate models via APIs; optimize performance and validate outputs to achieve production-grade reliability.

Design and implement end-to-end AI agent platforms: React/Next.js frontends with streaming LLM UIs, Python-backed agent orchestration, secure SAP integrations, vector DB-powered RAG, on‑prem deployment on GPU clusters, enterprise security (RBAC, PII/ITAR redaction), and observability. Build connectors, dashboards, and performant microservices for mission-critical financial and engineering workflows.

Lead and manage R&D tax credit and Sec.174/174A engagements: conduct technical client interviews, produce technical reports, prepare calculations and tax forms, supervise and mentor junior staff, manage engagement economics, perform technical tax research, support business development, and act as client representative with the IRS. Work remotely across many clients and industries while ensuring timely, high-quality deliverables and strengthening R&D tax expertise at the firm.

Lead government-focused projects end-to-end: develop project plans, allocate resources, manage schedules and budgets, engage clients, track performance, mitigate risks, and report status to customers and leadership.

Lead agile teams to design, build, and operate enterprise-grade software and agentic workflows that act on production systems. Mentor others, produce designs, enforce guardrails (blast-radius, rollback, CI gates), integrate LLM APIs and agentic frameworks, and prioritize security, vulnerability management, observability, and quality across deployments.

Technical lead for public-facing gRPC APIs and SDKs powering provider search, ranking, and dynamic copay lookups. Own API design, versioning, ranking/steerage logic, and reliability at scale. Write and review code and designs, mentor engineers, drive technical direction, partner with product and partner engineering, and support production operations and scaling decisions.