Top Tech Jobs & Startup Jobs in Chicago, IL

Leads the design, development, deployment, and monitoring of advanced statistical and machine learning models for insurance pricing, underwriting, claims, fraud, retention, and growth. Advises executives and actuarial teams, establishes modeling and experimentation standards, ensures responsible and scalable productionization, and mentors data scientists. The role also advances MLOps, AI infrastructure, model lifecycle management, explainability, fairness, and data science strategy.

Test new web and mobile features, report bugs and usability issues, run manual and automated tests, review requirements and designs, improve QA processes and documentation, and provide UI/UX feedback while collaborating with product, design, and engineering teams.

Own and grow a portfolio of North American payments partners, including acquirers, banks, alternative payment methods, and fraud solution providers. Manage relationships, negotiate agreements, drive co-selling and joint go-to-market initiatives, generate partner-sourced pipeline, and convert commercial opportunities. Coordinate partner integrations and onboarding with Product, Sales, Customer Success, Legal, and Technical teams. Track partner health and KPIs, provide market intelligence, and lead QBRs, summits, and enablement activities.

Support a global 24x7x365 security operations team by monitoring systems and networks, investigating threats and incidents, responding to phishing, malware, breaches, and cyberattacks, deploying countermeasures, analyzing post-event activity, assessing vulnerabilities, and improving security protocols. The role requires familiarity with cloud security controls, network protocols, operating systems, scripting, web technologies, penetration testing tools, and threat intelligence.

Senior backend engineer responsible for designing and implementing new features, scaling and optimizing the platform, improving Postgres and Elasticsearch performance, fine-tuning LLMs, and making architectural decisions. Collaborate with engineering team, take ownership of features, write performant, maintainable code, and help shape product and infrastructure for data-intensive applications (NLP, search, indexing).

Build and scale high-performance iOS and Android apps with Expo/React Native. Implement native integrations, smooth UIs and animations, automated tests, performance fixes, and collaborate with backend, design, and product teams using AI-assisted workflows.

The Manager, Business Partner provides strategic and hands-on HR leadership across employee relations, performance management, compliance, investigations, risk mitigation, and leadership development. The role coaches managers, leads talent calibration and performance improvement processes, analyzes employee relations trends, manages cases in NAVEX, supports organizational transitions, and promotes an inclusive, accountable workplace culture. This position partners with legal and compliance teams and uses behavioral assessment insights to improve team effectiveness.

Manage cross-functional client pipeline projects from kickoff through completion, coordinating sales, marketing, and operations stakeholders. Own Asana project boards, timelines, deliverables, risks, and scope across 3–6 client accounts. Support client strategy and account management conversations, translating business goals and campaign performance insights into actionable plans. The role requires strong communication, organization, strategic thinking, and familiarity with B2B SaaS, digital marketing, demand generation, paid media, creative, and CRM platforms.

Build agentic LLM systems that acquire, clean, validate, curate, and document large-scale biomedical datasets for multimodal model training. Develop reliable agent architectures, tooling, evaluation harnesses, quality-control workflows, and reproducible data pipelines. Collaborate with ML scientists, monitor distributed production pipelines, diagnose failures, and implement secure sandboxed execution with restricted access and audit logging.

Own quality engineering for high-throughput payment systems by architecting automated regression, performance, stress, and load testing. Build emulators for external payment systems, integrate quality gates into CI/CD pipelines, validate microservices, event-driven architectures, and databases, and use Prometheus and Grafana for observability. Apply AI-assisted testing, synthetic data generation, and edge-case analysis while mentoring engineers and preventing incidents through telemetry-driven testing and post-mortems.