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Development jobs in o'fallon USA

325 development jobs found in o'fallon: showing 1 - 50

Sales Representative - No Experience Required

Company: DIFILIPPO |

Location: O'Fallon, MO, USA

| Salary: US$70000 - 85000 per year | Date posted: 06 Aug 2026

daily field activity using a Salesforce-based CRM. Contribute to recruiting, training, and leadership development efforts

Manager, Total Rewards - Immigration Strategy

Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$112000 - 179000 per year | Date posted: 06 Aug 2026

, regulatory intelligence, and program development. Key Responsibilities Strategy, Policy & Governance Develop and maintain

Driver - O'fallon - Part Time

Company: Enterprise Rent-A-Car |

Location: O'Fallon, MO, USA

| Salary: US$15 per hour | Date posted: 06 Aug 2026

discount 401k retirement plan Training and development The schedule available is: Sunday: OFF Monday: 8:00am-5:00pm

Pharmacy Technician / Pharm Tech Apprenticeship

Company: Walgreens |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 06 Aug 2026

special assignments and other tasks as assigned. Training & Personal Development Earns and maintains PTCB certification

Line Cook (upscale / Fine Dining)

Company: Bristol Seafood |

Location: O'Fallon, MO, USA

| Salary: US$18 per hour | Date posted: 06 Aug 2026

to be our greatest asset. What we offer you: Unparalleled training and development programs Generous employee discounts on dining

Emerging Store Manager

Company: Walgreens |

Location: O'Fallon, MO, USA

| Salary: US$45000 - 71550 per year | Date posted: 05 Aug 2026

, and support to enable team members' career development. Responsible for team member discipline, coaching meetings, and makes... & Personal Development Successfully completes Store Manager learning and development program. Completes all required learning

Project Customer Services Representative- Triage Team

Company: The Millennium Group |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 05 Aug 2026

professional and personal development, with a commitment to accuracy and bestinclass service. Minimum of a high school diploma

Line Cook (upscale / Fine Dining)

Company: Golden Nugget |

Location: O'Fallon, MO, USA

| Salary: US$18 per hour | Date posted: 05 Aug 2026

our employees to be our greatest asset. What we offer you: Unparalleled training and development programs Generous employee

Vice President, Data Management Platforms (product Development)

Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 05 Aug 2026

potential. Title and Summary Vice President, Data Management Platforms (Product Development) Who is Mastercard

Sonographer (nights)

Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 05 Aug 2026

match Tuition Assistance available on first day BJC Institute for Learning and Development Health Care and Dependent Care

Lead Postgresql Engineer

Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 05 Aug 2026

programming and automation development. Understanding of microservices architectures and modern platform engineering practices

Store Parts Professional

Company: Genuine Parts Company |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 05 Aug 2026

that works hard yet takes care of employees Opportunity for accessing multiple career paths, ongoing development, with support

Principal, Technology Risk Analyst

Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 05 Aug 2026

to integrate risk and control requirements into technology solutions throughout the development and operational lifecycle

Senior Software Development Engineer

Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 05 Aug 2026

potential. Title and Summary Senior Software Development Engineer Overview The Senior Software Development Engineer... into technical designs and implementation plans. Lead development of modular, extensible, high-performance applications. Design

Pharmacy Customer Service Associate

Company: Walgreens |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 05 Aug 2026

Development Earns and maintains PTCB certification through the designated PTCB training program and/or state

Food Service Worker Ii

Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 05 Aug 2026

Assistance available on first day BJC Institute for Learning and Development Health Care and Dependent Care Flexible Spending

Server (upscale / Fine Dining)

Company: Bristol Seafood |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 05 Aug 2026

to be our greatest asset. What we offer you: Unparalleled training and development programs Generous employee discounts on dining

Operating Engineer - Event Facility

Company: Jones Lang LaSalle |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 05 Aug 2026

as required by jurisdiction (or commitment to obtain within specified timeframe) Commitment to pursuing professional development and additional

Lead Software Engineer

Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 05 Aug 2026

engineering best practices, mentoring team members, and ensuring high-quality delivery across the software development lifecycle... with organizational standards and engineering best practices. Software Development & Engineering Excellence -Design, develop, test

Principle, Vulnerability Analyst

Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 05 Aug 2026

security, secure software development, or security engineering, with demonstrated ability to validate and drive remediation

Agentic Ai Engineeer

Company: Diverse Lynx |

Location: O'Fallon, MO, USA

| Salary: US$50 per hour | Date posted: 04 Aug 2026

Knowledge of SQL with Oracle and PostgreSQL - Mandatory Knowledge of REST API development and backend automation. Knowledge... with event-driven systems. Knowledge of CI/CD concepts and tools like Jenkins is beneficial for streamlining development

Line Cook (upscale / Fine Dining)

Company: Landry's |

Location: O'Fallon, MO, USA

| Salary: US$18 per hour | Date posted: 04 Aug 2026

our employees to be our greatest asset. What we offer you: Unparalleled training and development programs Generous employee

Membership Service Associate (front Desk Staff) - O'fallon Mo Ymca

Company: Gateway Region YMCA |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 04 Aug 2026

and offer solutions regarding gaps in service and/or member concerns. Work continually towards self-development to stay current

Customer Sales Consultant

Company: Lou Fusz Chrysler Jeep Dodge Ram |

Location: O'Fallon, MO, USA

| Salary: US$3000 per month | Date posted: 04 Aug 2026

in automotive sales, we have the training and development programs in place to help you succeed at our Network. Many of our great

Class A Cdl Driver | Monday-friday | $1500 Sign On Bonus

Company: Bunzl |

Location: O'Fallon, MO, USA

| Salary: US$29 per hour | Date posted: 04 Aug 2026

on the Bunzl Careers home page under Benefits and Perks. Ongoing training and development opportunities to enhance

Occupational Therapist - Prn

Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: US$34.86 - 55.72 per hour | Date posted: 04 Aug 2026

Contribution 401(k) plan with BJC match Tuition Assistance available on first day BJC Institute for Learning and Development

Occupational Therapist - Prn

Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 04 Aug 2026

Contribution 401(k) plan with BJC match Tuition Assistance available on first day BJC Institute for Learning and Development

Patient Care Operations Coord

Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 04 Aug 2026

Assistance available on first day BJC Institute for Learning and Development Health Care and Dependent Care Flexible Spending

Server (upscale / Fine Dining)

Company: Golden Nugget |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 04 Aug 2026

our employees to be our greatest asset. What we offer you: Unparalleled training and development programs Generous employee

Senior Software Engineer

Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 04 Aug 2026

-patterns as part of development activity Experience conducting code reviews and troubleshooting complex application... in authoring test cases leveraging behavior-driven development and customer journey concepts Experience developing applications

Customer Sales Consultant

Company: Lou Fusz Automotive Network |

Location: O'Fallon, MO, USA

| Salary: US$3000 per month | Date posted: 04 Aug 2026

in automotive sales, we have the training and development programs in place to help you succeed at our Network. Many of our great

Site Reliability Engineer Ii

Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$76000 - 127000 per year | Date posted: 03 Aug 2026

transformation, leading the charge through tooling, automation, and advocacy across development, quality, release, and product teams... strong relationships across development, operations, and product teams. Mission BizOps ensures production readiness

Photo Specialist

Company: Walgreens |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 03 Aug 2026

, and revisions. Supports the cross-training and development of store team members on photo department operations and services... assignments as needed to support business objectives. Training & Personal Development Attends training and completes

Portfolios Solutions Analyst

Company: Allianz |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 03 Aug 2026

. Opportunities for career development and international mobility. Support for flexible working, health, and wellbeing. Engagement... a generous bonus scheme and pension. Lets care for your opportunities to progress From career development and digital

General Facilities Maintenance Technician

Company: Walmart |

Location: O'Fallon, MO, USA

| Salary: US$45760 - 83200 per year | Date posted: 03 Aug 2026

for all associates. Everyone in our workforce has the same access to opportunities for growth, development, and advancement

Automotive Technician / Mechanic | Up To $50/hr* & Weekends Off | Weldon Spring

Company: Christian Brothers Automotive |

Location: O'Fallon, MO, USA

| Salary: US$50 per hour | Date posted: 03 Aug 2026

Technical Support Technician Training Paths To Assist With Career Development Locally Owned and Operated On-Going Training... A desire for long-term career development Physical Requirements: Occasionally lift and/or move over 100 pounds Be able

Server (upscale / Fine Dining)

Company: Landry's |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 03 Aug 2026

our employees to be our greatest asset. What we offer you: Unparalleled training and development programs Generous employee

Retail Sales Associate-the Shops At Laura Hill

Company: Bath & Body Works |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 02 Aug 2026

Career Development | Medical, Dental and Vision Benefits | 40% Discount | Daily or Weekly Pay | Fun Stores At Bath

Emergency Room - Clinical Nurse (mid-shift)

Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: US$32 - 48.28 per hour | Date posted: 02 Aug 2026

their career progression. The BJC RN Career Ladder promotes professional development, leadership, collaboration, education... and regulatory compliance. Participates in professional development. Develops, implements, and documents individual plans of care

Icu Clinical Nurse Nights

Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: US$32 - 48.28 per hour | Date posted: 02 Aug 2026

professional development, leadership, collaboration, education and service excellence and gives staff the opportunity to continue... in professional development. Develops, implements, and documents individual plans of care with defined goals in collaboration

Clinical Nurse Special Care Nursey

Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: US$32 - 48.28 per hour | Date posted: 02 Aug 2026

their career progression. The BJC RN Career Ladder promotes professional development, leadership, collaboration, education... compliance. Participates in professional development. Minimum Requirements Education * Nursing Diploma/Associate

Labor & Delivery Clinical Nurse

Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: US$32 - 48.28 per hour | Date posted: 02 Aug 2026

their career progression. The BJC RN Career Ladder promotes professional development, leadership, collaboration, education.... Participates in activities that promote patient safety, quality and regulatory compliance. Participates in professional development

Labor & Delivery Part Time Clinical Nurse

Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: US$32 - 48.28 per hour | Date posted: 02 Aug 2026

Emergency Room - Clinical Nurse (nights)

Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: US$32 - 48.28 per hour | Date posted: 02 Aug 2026

progression. The BJC RN Career Ladder promotes professional development, leadership, collaboration, education and service... and regulatory compliance. Participates in professional development. Develops, implements, and documents individual plans of care

Emergency Room - Clinical Nurse (evenings)

Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: US$32 - 48.28 per hour | Date posted: 02 Aug 2026

New Graduate Nurse At Progress West Hospital

Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: US$32 - 48.28 per hour | Date posted: 02 Aug 2026

. Participates in professional development. BJC has determined this is a safety-sensitive position. The ability to work... with BJC match Tuition Assistance available on first day BJC Institute for Learning and Development Health Care

Stocking Associate / Merchandiser - Part Time

Company: Total Wine & More |

Location: O'Fallon, MO, USA

| Salary: US$15.37 - 21.52 per hour | Date posted: 02 Aug 2026

College tuition assistance Career development & product training Consumer classes & More! Crafted for you We recognize

Before And After School Site Director - St. Joseph School (o'fallon Mo Ymca)

Company: Gateway Region YMCA |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 01 Aug 2026

counties, as well as YMCA Trout Lodge and YMCA Camp Lakewood, the YMCA Community Development Branch, and our Washington... that advance all areas of childrens development and learning, including social, emotional, intellectual and physical

Manager, Accounting (gbsc)

Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$109000 - 180000 per year | Date posted: 01 Aug 2026

enhancements, ensuring alignment with stakeholder expectations. - Provide leadership, coaching, and development opportunities

Manager, Accounting

Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$109000 - 180000 per year | Date posted: 01 Aug 2026

priorities and timelines with leadership and key stakeholders. - Provide leadership, coaching, and development opportunities