Top Tech Jobs & Startup Jobs in St. Louis, MO

Design and implement backend features in Go, build data pipelines and REST APIs, work with PostgreSQL and AWS, contribute to scalable system design, and optionally develop React.js user-facing features while collaborating in a fast-paced AI-focused startup.

Serve as the primary customer success contact for hotel clients, helping them adopt, optimize, and expand use of the company’s SaaS platform. Responsibilities include strategic business reviews, data-driven coaching, renewal and expansion support, issue resolution, onboarding transitions, product feedback, and customer journey improvements. The role is remote, requires West Coast residence, executive-level communication, and travel up to 35% for client meetings and industry events.

Design and productionize ML models and agentic systems for intraday financial alpha generation. Build data pipelines, experiment frameworks, and portfolio optimization methods. Collaborate with quants and engineers to move models from research to live trading environments.

Leads end-to-end QA for web and mobile applications, including test planning, execution, reporting, performance testing, security testing, defect management, and release quality assurance. Implements test automation and CI/CD integration while collaborating with product managers, developers, and international teams. The role also drives QA initiatives, investigates vulnerabilities and bottlenecks, and improves quality processes in a fast-paced startup environment.

Drive new client acquisition in zero-base accounts, consistently generate and qualify pipeline, close high-value B2B enterprise SaaS deals, prospect and cold-call, run demos, collaborate cross-functionally, and act as a trusted advisor to grow and retain accounts.

Open application inviting AI engineers, full-stack developers, data scientists, finance experts and others to apply. Candidates should submit a resume/LinkedIn, links to work (GitHub, Kaggle, portfolio) and a brief note explaining motivation, value they bring, and desired roles or projects.

SynX Therapeutics, a biotech start-up, invites speculative applications for future roles related to drug discovery and engineered biology.

Conducts complex insider threat investigations involving data loss, fraud, system misuse, and policy violations. Analyzes user activity, logs, access patterns, behavioral data, and forensic artifacts to develop risk assessments, timelines, and evidentiary documentation. Supports detection, escalation, containment, and mitigation activities while improving investigative playbooks and controls. Partners with Cybersecurity, Legal, Compliance, HR, Privacy, IT, and Analytics teams and communicates findings and recommendations to leadership.

The Sales Manager will drive intermodal sales growth by acquiring new clients, managing existing relationships, negotiating contracts, developing sales strategies, tracking performance, and meeting revenue targets. The role requires collaboration with operations and marketing teams, industry networking, market analysis, client presentations, and travel of up to 50%.

Reviews and updates college-level visual communications course structures, learning outcomes, competencies, assignments, rubrics, and assessment questions. Ensures content aligns with current academic standards, industry requirements, accessibility practices, copyright and fair-use principles, and generative AI considerations. Collaborates remotely with curriculum designers, incorporates feedback, and delivers high-quality course materials on schedule.