1,060 Results for

Engineering Jobs in O Fallon, MO

Jobs

Backend Engineer, Growth and Data Hebbia

New York, NY

$160,000–$350,000 / year

Your role involves architecting and implementing robust APIs, services, and infrastructure that empower customers with tailored, high-value experiences-such as personalized data views, streamlined management tools, and powerful integrations that uniquely amplify the value of Hebbia. We're responsible for sourcing, indexing, and enriching content from every corner of the knowledge universe - spanning private enterprise data, public data, and third-party platforms - and delivering it seamlessly to power user workflows and agentic research.

30+ days ago

Data Scientist - Music Promotion Spotify

New York, NY

$94,584–$135,121 / year

Work closely with cross-functional teams of data scientists, researchers, product owners, engineers, designers, marketers, and others across the company to develop the next generation of promotion tools for artists. Your focus will be customer engagement and reporting — understanding what customers need, building instrumentation and dashboards for our self-serve product, and running experiments that improve the experience and drive business impact.

27 days ago

Senior Data Scientist - Media Data Science & Analytics Microsoft Corp

New York, NY

$119,800–$234,700 / year

Doctorate in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 3+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) OR Masters Degree in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 6+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) OR Bachelors Degree in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 8+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) OR equivalent experience. Doctorate in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 1+ year(s) data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) OR Masters Degree in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 3+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) OR Bachelors Degree in Data Science, Mathematics, Statistics, Econometrics, Economics, Operations Research, Computer Science, or related field AND 5+ years data-science experience (e.g., managing structured and unstructured data, applying statistical techniques and reporting results) OR equivalent experience.

30+ days ago

Analytics Engineer, Data Tailscale Inc

$152,000–$190,000 / year

Enjoy a change of scenery wherever you can get wifi, participate in virtual and in-person social events, and leverage our corporate co-working program to visit WeWork (or other similar spaces near you). We care about your life outside of work and encourage new parents to take advantage of parental leave top-ups (20 weeks for birthing parents, 16 weeks for non-birthing parents).

30+ days ago

Data Scientist Lead-Vice President JPMorgan Chase & Co

Jersey City, NJ

As a Data Scientist for Operations on our Home Lending Data and Analytics team, you''ll have the opportunity to be at the forefront of building a best-in-class, automated, digital-led Home Lending business, focused on deepening relationships with our more than 70 million Chase households. Required qualifications, capabilities, and skills: Bachelor's degree in quantitative field (Computer Science, Engineering, Operations Research, Statistics, Economics, Math, Physics or related discipline) and 5 years of experience in advanced analytics roles.

30+ days ago

Risk Data Analytics Product Owner & Reporting Lead The Federal Reserve System

New York, NY

$200,000–$230,000 / year

The role encompasses the full analytical lifecycle: partnering with stakeholders to frame questions, defining data requirements, conducting exploratory data analysis, engineering features, creating visualizations, and crafting compelling narratives that translate complex findings into actionable business insights. This role combines analytical translation skills, technical depth in data modeling and visualization, product ownership mindset, and executive communication capabilities to enable Risk, business, and executive stakeholders to monitor vulnerabilities, identify emerging trends, and make data-informed decisions.

9 days ago

Quantitative AI and Data Analyst - Executive Director Morgan Stanley

New York, New York

The team has a global footprint across New York, London and Hong Kong, and Mumbai and works closely with a variety of business lines in Institutional Equities and Fixed Income trading, Prime Brokerage, Securities Lending and Fund Services, as well as the Finance and Risk Divisions of the firm. Our values - putting clients first, doing the right thing, leading with exceptional ideas, committing to diversity and inclusion, and giving back - aren’t just beliefs, they guide the decisions we make every day to do what's best for our clients, communities and more than 80,000 employees in 1,200 offices across 42 countries.

30+ days ago

Data Driven Marketing Analyst - Performance Optimization First American Payments Systems

New York, New York

FMCG Direct is the full-service data, analytics and marketing services agency of Deluxe Corporation – with decades-long experience helping clients gain the competitive edge they need to grow market share. Analysts are responsible for building clear, engaging reporting collateral, identifying key insights, and driving program optimizations in collaboration with internal and external stakeholders.

30+ days ago

Data Architect Expert In Recruitment Solutions

Summit, NJ

Quick Apply

This role is central to designing and building relational database models, defining data requirements, and developing strategies for data acquisitions and implementation to meet business needs. Preferred Qualifications Prior experience in Azure Synapse Analytics, Azure Data Factory, SSIS, Azure Spark pool, and managing large-scale data warehouses.

30+ days ago

Manager / Senior Manager, Data Analytics Melinta Therapeutics LLC

Newark, NJ

$100,000–$142,000 / year

This individual will partner cross-functionally across Marketing, Market Access, Commercial Operations, and Finance to ensure consistent, high-quality reporting and data alignment across the organization. This role will be responsible for managing and integrating data from multiple sources to generate insights, maintain data integrity, and support business reporting and building forecasts.

25 days ago

Transportation Data Analytics Lead Vanasse Hangen Brustlin Inc

New York City, NY

$145,000–$195,000 / year

At VHB, we collaborate with government agencies to private businesses in transportation, real estate, institutional, and federal markets working collectively to enhance communities, stimulate economic growth, and promote environmental sustainability. Data Management & Analytics Leadership: Demonstrated experience leading large-scale transportation analytics programs and managing complex, high-volume datasets.

30+ days ago

Staff QA Data Engineer (46_2026.2) Affinity Solutions Inc

New York, NY

This role focuses on designing scalable QA frameworks, testing data transformations, and ensuring client-facing data products are correct and aligned to defined business logic. Our proprietary AI technology, Comet?, transforms these purchase signals into actionable insights for business and marketing leaders to drive optimal outcomes and build lasting customer relationships.

30+ days ago

Senior Data Scientist / Analyst, Institutional Polymarket

New York, New York

Polymarket is looking for a Senior Data Scientist / Analyst to own the analytics behind our institutional relationships — the market makers, large takers, and brokerages that account for a disproportionate share of platform volume. Built as a peer-to-peer marketplace with no centralized "house," Polymarket aggregates diverse opinions into transparent, market-based probabilities that reflect collective expectations about the future.

30+ days ago

Senior Data Scientist / Analyst, Growth Polymarket

New York, New York

Built as a peer-to-peer marketplace with no centralized "house," Polymarket aggregates diverse opinions into transparent, market-based probabilities that reflect collective expectations about the future. Deep fluency in full-funnel GTM metrics including CAC, ROAS, payback, conversion rate, retention, LTV, and the judgment to know when each one is misleading.

30+ days ago

Senior Data Scientist / Analyst, Fraud & Risk Polymarket

New York, New York

Polymarket is looking for a Sr Data Scientist / Analyst, Fraud & Risk to proactively prevent and detect potential fraud and abuse on our platform, such as identity theft, account takeovers, farmed bonuses, collusive or manipulative trading, ACH fraud, and other behavior. Built as a peer-to-peer marketplace with no centralized "house," Polymarket aggregates diverse opinions into transparent, market-based probabilities that reflect collective expectations about the future.

30+ days ago

Senior Data Scientist / Analyst, Product Polymarket

New York, New York

Built as a peer-to-peer marketplace with no centralized "house," Polymarket aggregates diverse opinions into transparent, market-based probabilities that reflect collective expectations about the future. Polymarket is looking for a Senior Data Scientist / Analyst to be the analytical partner to our product team and the person who can say whether what we shipped actually worked.

30+ days ago

Staff Data Scientist - Product Analytics Therapymatch, Inc.

New York, NY

$212,000–$265,000 / year

Define north star and input metrics for a major product area (or multiple surfaces), align stakeholders on definitions, and build conviction in what "good" looks like. A notice to Headway applicants: To protect yourself against phishing and recruitment fraud, please note that Headway only accepts applications through our official careers page at https://headway.co/careers .

30+ days ago

Clinical Data Analyst Columbia University

New York, NY

$90,000–$105,000 / year

Under the direction of the Director of the MSCH NICU Data Committee, the NICU Clinical Data Abstractor works closely with a Clinical Data Navigator (CDN) to abstract complex data from our Epic Electronic Medical Record (EMR) system used for data reporting, quality improvement initiatives, and clinical research. Report and recommend improvements for data capture tools: Work with clinical team to define missing data capture, Epic tools that can be built with engineer team to improve data entry and capture at Epic engagement point.

30+ days ago

Corporate Financial Planning & Analysis Manager Prestige Brands Holdings, Inc.

Tarrytown, NY

$145,000–$160,000 / year

We operate in niche segments within these categories in which the strength of our brand names, our established retail distribution network, a low-cost operating model and an experienced management team are the keys to our success. This role operates independently to translate business drivers into decision-oriented financial insights, with direct impact on pricing, margin, cost productivity, and capital allocation decisions.

30+ days ago

Operations and Data Quality Analyst The Fortegra Group Inc

Iselin, NJ

$90,000–$115,000 / year

Develop and execute data quality checks, reconciliation routines, and exception reports to identify and resolve discrepancies; serve as the data quality owner for assigned data domains, documenting findings and partnering with Data Engineering to resolve root causes. Own the Monte Carlo Data Observability Platform - including configuration, administration, and adoption - and design and build a comprehensive data quality suite with monitors for freshness, volume, schema changes, and field-level anomalies across critical data domains.

27 days ago

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Engineering Jobs in O Fallon, MO

Backend Engineer, Growth and Data Hebbia

Data Scientist - Music Promotion Spotify

Senior Data Scientist - Media Data Science & Analytics Microsoft Corp

Analytics Engineer, Data Tailscale Inc

Data Scientist Lead-Vice President JPMorgan Chase & Co

Risk Data Analytics Product Owner & Reporting Lead The Federal Reserve System

Quantitative AI and Data Analyst - Executive Director Morgan Stanley

Data Driven Marketing Analyst - Performance Optimization First American Payments Systems

Data Architect Expert In Recruitment Solutions

Manager / Senior Manager, Data Analytics Melinta Therapeutics LLC

Transportation Data Analytics Lead Vanasse Hangen Brustlin Inc

Staff QA Data Engineer (46_2026.2) Affinity Solutions Inc

Senior Data Scientist / Analyst, Institutional Polymarket

Senior Data Scientist / Analyst, Growth Polymarket

Senior Data Scientist / Analyst, Fraud & Risk Polymarket

Senior Data Scientist / Analyst, Product Polymarket

Staff Data Scientist - Product Analytics Therapymatch, Inc.

Clinical Data Analyst Columbia University

Corporate Financial Planning & Analysis Manager Prestige Brands Holdings, Inc.

Operations and Data Quality Analyst The Fortegra Group Inc

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