Top Tech Jobs & Startup Jobs in Chicago, IL

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).

Owns Oscilar’s commercial vendor-partner ecosystem across AML, sanctions, PEP, KYB, and KYC categories. Responsibilities include building a proactive vendor bench, conducting commercial diligence, negotiating pricing and contracts, structuring resale packages, managing live partner relationships, supporting sales deals, and coordinating with Product, Legal, Finance, and Sales. The role establishes repeatable vendor intake and evaluation processes while advising on vendor capabilities, integration timelines, margins, SLAs, renewals, and customer escalations.

Leads executive and specialized scientific talent sourcing for Research organizations. Builds global talent pipelines, maps competitive talent landscapes, develops scientific networks, engages passive candidates, and provides talent intelligence to leaders and hiring managers. Maintains strategic talent communities, tracks scientific talent movements, leverages sourcing technologies, and advises on workforce planning and talent attraction strategies.

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.

Uses emerging and generative AI technologies to solve creative briefs and produce innovative outputs. Responsibilities include analyzing briefs, rapidly prototyping solutions, testing and integrating AI tools into studio workflows, collaborating with creative and technical teams, and continuously learning new methodologies. Candidates should demonstrate strong technology-driven creative problem-solving, generative AI fluency, experience in tech-focused environments, and a portfolio or public presence showing active experimentation.

Lead US product marketing for Solventum's healthcare payment, population health, and quality methodologies. Create strategy, messaging, commercialization plans, and core content; run market and competitive research; support new product introductions, events, webinars, and go-to-market activities; collaborate with sales and business unit stakeholders to drive adoption and financial objectives.

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.