Jobs in O Fallon, MO

Refine Results
8,661 - 8,680 of 10,453 Jobs

Advanced Software Engineer

General Dynamics

•

Remote or Orlando, Florida, USA

Full-time

Basic Qualifications Requires a Bachelor's degree in Software Engineering, or a related Science, Engineering or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. Agile experience preferred. CLEARANCE REQUIREMENTS: Ability to obtain a Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility r
Posted 56 days ago | Updated 7 hours ago

Senior Software Engineer

Jack Henry & Associates

•

Remote

Full-time

At Jack Henry, we deliver technology solutions that are digitally transforming and empowering community banks and credit unions to provide enhanced and streamlined user experiences to their customers and members. Our best-in-class products are just the start as we lay the groundwork for the future of digital banking and payments. We hope you'll join us. We can't do it without you. The Node / Identity team members develop and support a first-class IDP and APIs used across Jack Henry and by extern
Posted 40 days ago | Updated 8 hours ago

Senior Data Engineer - Remote

UnitedHealth Group

•

Remote or Eden Prairie, Minnesota, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health opt
Posted 11 days ago | Updated 8 hours ago

Senior UX Researcher - Banking

Block Inc

•

California, USA

Full-time

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn't work together. So we expanded into software and started building integrated, omnichannel solutions - to help sellers sell online, manage inventory, offer buy now, pay later functionality, book appointments, engage loyal buyers, and hire and pay staff. Across i
Posted 33 days ago | Updated 8 hours ago

Engineer Regulatory Compliance-IPD

Copeland

•

Remote

Full-time

About Us We are a global climate technologies company engineered for sustainability. We create sustainable and efficient residential, commercial and industrial spaces through HVACR technologies. We protect temperature-sensitive goods throughout the cold chain. And we bring comfort to people globally. Best-in-class engineering, design and manufacturing combined with category-leading brands in compression, controls, software and monitoring solutions result in next-generation climate technology th
Posted 27 days ago | Updated 8 hours ago

Engineering DevOps Lead - VP - Tampa (Hybrid)

Citi

•

Remote or Tampa, Florida, USA

Full-time

The Engineering DevOps Lead is a senior-level leadership position responsible for driving the establishment and implementation of new and revised shared services and frameworks. This role involves close collaboration with the Technology team and technical leadership of the DevOps group. The primary objective is to spearhead share services DevOps and programming initiatives, ensuring efficiency, reliability, capacity and continuous improvement. Responsibilities: Being the leadership in the share
Posted 13 days ago | Updated 8 hours ago

Principal, Software Engineer - Front-End UI Engineer

Walmart Inc.

•

Remote or Bentonville, Arkansas, USA

Full-time

Position Summary Walmarts Enterprise Business Services (EBS) is a powerhouse of seven exceptional teams delivering world-class technology solutions and services making a profound impact at every level of Walmart. As a key part of Walmart Global Tech, our teams set the bar for operational excellence and leverage emerging technology to support millions of customers, associates, and stakeholders worldwide. Joining EBS means embarking on a journey of limitless growth, relentless innovation, and the
Posted 22 days ago | Updated 8 hours ago

Staff, Software Engineer - Front-End UI

Walmart Inc.

•

Remote or Bentonville, Arkansas, USA

Full-time

Position Summary Walmart's Enterprise Business Services (EBS) is a powerhouse of seven exceptional teams delivering world-class technology solutions and services making a profound impact at every level of Walmart. As a key part of Walmart Global Tech, our teams set the bar for operational excellence and leverage emerging technology to support millions of customers, associates, and stakeholders worldwide. Joining EBS means embarking on a journey of limitless growth, relentless innovation, and the
Posted 22 days ago | Updated 8 hours ago

Staff Android Engineer, Accessibility & UI Systems

Block Inc

•

Remote or New York, New York, USA

Full-time

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn't work together. So we expanded into software and started building integrated, omnichannel solutions - to help sellers sell online, manage inventory, offer buy now, pay later functionality, book appointments, engage loyal buyers, and hire and pay staff. Across
Posted 39 days ago | Updated 8 hours ago

Cloud Engineer - AVP (Hybrid)

Citi

•

Remote or Tampa, Florida, USA

Full-time

Citi is looking for a hands-on Cloud Engineer who is passionate about solving business problems through innovation and engineering practices. As a Cloud Engineer, you will leverage your deep technical knowledge to drive the creation of high-quality software products. You will also be expected to share your technical expertise and promote a culture of technical excellence within the team. The Cloud Engineer will work with a Team Lead and will be a code-contributing member of the team that w
Posted 18 days ago | Updated 8 hours ago

Senior Software Engineer, Machine Learning Inference

NVIDIA Corporation

•

Remote or Santa Clara, California, USA

Full-time

At NVIDIA, we're at the forefront of innovation, driving advancements in AI and machine learning to solve some of the world's most challenging problems. We're seeking talented and motivated engineers to join our TensorRT team in developing the industry-leading deep learning inference software for NVIDIA AI accelerators. As a Senior Software Engineer in the TensorRT team, you will be responsible for designing and implementing inference software optimizations to power AI applications on NVIDIA GPU
Posted 60+ days ago | Updated 8 hours ago

Sr. Data and Insights Business Systems Analyst

Splunk Inc.

•

Texas, USA

Full-time

Description Splunk, a Cisco company, is building a safer and more resilient digital world with an end-to-end full stack platform made for a hybrid, multi-cloud world. Leading enterprises use our unified security and observability platform to keep their digital systems secure and reliable. Our customers love our technology, but it's our caring employees that make Splunk stand out as an amazing career destination. No matter where in the world or what level of the organization, we approach our wor
Posted 20 days ago | Updated 8 hours ago

Senior UX Researcher - Collectibles

eBay Inc.

•

Remote or Portland, Oregon, USA

Full-time

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur
Posted 36 days ago | Updated 8 hours ago

QE Lead Engineer

Marsh & McLennan Companies

•

Remote or White Plains, New York, USA

Full-time

Company: Marsh McLennan Agency Description: Our not-so-secret sauce. Award-winning, inclusive, Top Workplace culture doesn't happen overnight. It's a result of hard work by extraordinary people. The industry's brightest talent drive our efforts to deliver purposeful work and meaningful impact every day. Learn more about what makes us different and how you can make your mark as a QE Lead Engineer at MMA. Marsh McLennan Agency (MMA) provides business insurance, employee health & benefits, reti
Posted 22 days ago | Updated 3 days ago

Applications Development Senior Group Manager - C15 - Delaware or Tampa

Citi

•

Remote or New Castle, Delaware, USA

Full-time

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Our core activities are safeguarding assets, lending money, making payments and accessing the capital markets on behalf of our clients. Citi's Mission and Value Proposition explain what we do and Strategy explain how we do it. Our mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and ec
Posted 15 days ago | Updated 8 hours ago

UX/UI Designer, Marketing

DaVita Inc.

•

Remote or Denver, Colorado, USA

Full-time

Posting Date 07/25/2025 2000 16th Street, Denver, Colorado, 80202, United States of America Location: Denver/Remote Job Type: Full-Time Department: Design (Marketing & Communications) About the Role: We're looking for a thoughtful and collaborative UI/UX Designer to join our growing team and help craft intuitive, inclusive, and visually engaging digital experiences for healthcare organizations. This role is ideal for early- to mid-career designers who are comfortable working across the
Posted 13 days ago | Updated 8 hours ago

Data Quality Sr Analyst - C12 - GETZVILLE

Citi

•

Remote or University at Buffalo, New York, USA

Full-time

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Our core activities are safeguarding assets, lending money, making payments and accessing the capital markets on behalf of our clients. Citi's Mission and Value Proposition explain what we do and Strategy explain how we do it. Our mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and ec
Posted 15 days ago | Updated 8 hours ago

Senior Engineering Manager - Digital Engineering

CVS Health

•

Colorado, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 43 days ago | Updated 8 hours ago

Software Engineering Manager - Site Reliability Engineering (Hybrid)

Citizens Bank

•

Remote or Plano, Texas, USA

Full-time

Job Description 3 Days Hybrid from any of our locations in RI, Iselin NJ, MA, Pittsburgh PA, Dallas TX or Phoenix AZ Role is not relocation eligible. At Citizens, we invest in the humans who build the logic, ideas, and innovations that bring new technologies to life. As the Manager of Software Engineering, you will serve as a key contributor and leader in the space of technological innovation. You are made ready to spearhead a results driven engineering operation through your technical experti
Posted 15 days ago | Updated 8 hours ago

Axiom Software Engineer- Regulatory Reporting (Remote)

First Citizens Bank

•

Remote or Raleigh, West Virginia, USA

Full-time

Overview This is a remote role that may only be hired in the following locations: Charlotte, NC, Raleigh, NC, Phoenix, AZ We are seeking a highly experienced and technically proficient professional to lead the design and delivery of end-to-end solutions across the Axiom development lifecycle for Regulatory Reporting initiatives. The ideal candidate will have a strong background in the US-Regulatory reporting, deep expertise in Axiom Controller View and, and hands-on experience in data modeling a
Posted 4 days ago