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Development jobs in o'fallon USA

329 development jobs found in o'fallon: showing 251 - 300

Receptionist - State Farm Agent Team Member
Company: State Farm |

Location: O'Fallon, MO, USA

| Salary: US$45000 - 50000 per year | Date posted: 25 Jul 2026
for advancement Paid time off Training & development ROLE DESCRIPTION: Sarah Shay - State Farm Agent is a leading insurance
Nurse Practitioner Or Physician Assistant For Primary Care (family Med) At Progress West In O'fallon, Mo
Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 25 Jul 2026
* Participates in professional development Manages the health care of patient populations with compassion through advanced health... of services and placing referrals. Assesses development needs of staff and develops and delivers appropriate educational programs
Senior Ai Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 24 Jul 2026
AI development driving innovation across agentic orchestration, retrieval-augmented generation, LLMOps, and responsible... development of multi-agent AI systems using frameworks such as LangGraph, CrewAI, and AutoGen enabling autonomous reasoning
Senior Technical Program Manager
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 24 Jul 2026
practices in high-performing, self-organizing development teams. Were building a global B2B, microservices-based platform... development team with building out software solutions for Mastercard. Role: Dive as deep as you want into the tech stack, the
Manager, Product Delivery
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$106000 - 175000 per year | Date posted: 24 Jul 2026
development and enhancement of Delivery tools, frameworks, and infrastructure to support scale and organizational growth
Nail Technician
Company: Frenchies of O Fallon MO |

Location: O'Fallon, MO, USA

| Salary: US$20 - 35 per hour | Date posted: 24 Jul 2026
off Training & development Employee discounts Are you a nail technician searching for a salon where you can use
Strength & Conditioning Coach
Company: D1 Training - O'Fallon |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 23 Jul 2026
Benefits: Bonus based on performance Flexible schedule Training & development Benefits/Perks Continuing
Assembly Mechanic
Company: WB Industries |

Location: O'Fallon, MO, USA

| Salary: US$21 - 25 per hour | Date posted: 23 Jul 2026
of opportunities for professional growth and development, and you'll be working in a supportive and inclusive environment. Plus, you'll
General Otolaryngologist - 50k Sign-on - St. Charles County, Mo
Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 23 Jul 2026
Assistance available on first day BJC Institute for Learning and Development Health Care and Dependent Care Flexible Spending
Field Marketing Representative
Company: ORF Home Inspections |

Location: O'Fallon, MO, USA

| Salary: US$16 - 18 per hour | Date posted: 23 Jul 2026
uniforms Opportunity for advancement Paid time off Training & development Marketing Representative ORF Home Inspections
Associate Manager
Company: unknown |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 23 Jul 2026
expansion plans, we recognize the importance of the continued growth and development of our team members. What you get
Physical Therapist (pt)
Company: Powerback Rehabilitation |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 23 Jul 2026
Recognition Program, and expand your expertise with our Clinicians in Action professional development program. Responsibilities
Youth Sports Venue Manager
Company: i9 Sports |

Location: O'Fallon, MO, USA

| Salary: US$20 - 25 per hour | Date posted: 22 Jul 2026
and professional development. Help create memorable experiences for young athletes and their families. About i9 Sports i9 Sports
Youth Sports Baseball Instructor/official
Company: i9 Sports |

Location: O'Fallon, MO, USA

| Salary: US$16 - 20 per hour | Date posted: 22 Jul 2026
into leadership and management roles. Access to online training and professional development. Flexible weekend schedule
Youth Sports Soccer Instructor/official
Company: i9 Sports |

Location: O'Fallon, MO, USA

| Salary: US$16 - 20 per hour | Date posted: 22 Jul 2026
into leadership and management roles. Access to online training and professional development. Flexible weekend schedule
Youth Sports Flag Football Instructor/official
Company: i9 Sports |

Location: O'Fallon, MO, USA

| Salary: US$16 - 20 per hour | Date posted: 22 Jul 2026
into leadership and management roles. Access to online training and professional development. Flexible weekend schedule
Physical Therapist
Company: Select Medical |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 21 Jul 2026
duties associated with the care of the patient, development of discipline specific therapy services and design of program
Lead Software Engineer (c/c++)
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 19 Jul 2026
. We are looking for engineers that are passionate about design and development with constant focus on quality. Responsibilities Partner... Advise on implementation strategy for successful deployment Implement development process improvements and automation Coach
Installation Project Manager
Company: Phoenix Textile Corporation |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 18 Jul 2026
-performing team Career growth and professional development opportunities
Lead Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 18 Jul 2026
systems are built, scaled, and operated. As a Lead Software Development Engineer, you will drive the architecture, design... and platforms. - Define engineering standards for software development, testing, security, operability, and deployment. - Conduct
Seasonal Coach
Company: Archdiocese of Saint Louis |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 18 Jul 2026
, professional development sessions, and school athletic events as assigned. Maintain equipment, uniforms, and facilities
Software Engineer Ii
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$92000 - 147000 per year | Date posted: 18 Jul 2026
specializing in Java development and microservices architecture. This role independently develops scalable, cloud-ready... development lifecycle. Participate in code reviews and contribute to engineering quality standards. Support system performance
Loan Sales Specialist
Company: OneMain Financial |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 18 Jul 2026
and dedication directly influence success. This role provides rewarding professional development and advancement opportunities... to an inclusive culture, career development and impacting the communities where we live and work. Getting people to a better place
Seasonal Coach
Company: Archdiocese of St. Louis |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 17 Jul 2026
, professional development sessions, and school athletic events as assigned. Maintain equipment, uniforms, and facilities
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 17 Jul 2026
is for a Senior Software Engineer who will contribute to the design, development, validation, automation, and operability of high...-quality software solutions. The ideal candidate brings strong software engineering fundamentals, hands-on Java development
Physical Therapist (pt)
Company: Select Medical |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 17 Jul 2026
and appropriate, providing a positive learning environment for students with appropriate supervision, development of learning... objectives and completion of student evaluations. Actively creates an individualized professional development plan with clinical
Senior Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$115000 - 184000 per year | Date posted: 17 Jul 2026
technical solutions, test strategies, and validation models Ensure secure coding practices are embedded in development..., sprint planning, and design discussions Responsibilities Software Engineering & Development Design, build, test
Director, Finance Business Partner - Technology Infrastructure
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 17 Jul 2026
unit operates the companys global payments processing infrastructure and development. Technology uses its expertise... Partner role provides an excellent platform for career development. The successful candidate will gain experience in managing
Physical Therapy Assistant (pta)
Company: Powerback Rehabilitation |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 17 Jul 2026
our PowerZone Employee Recognition Program, and expand your expertise with our Clinicians in Action professional development program
Host / Hostess (upscale / Fine Dining)
Company: Bristol Seafood |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 16 Jul 2026
. What we offer you: Unparalleled training and development programs Generous employee discounts on dining, retail, amusements and hotels Flexible
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 16 Jul 2026
is to engage early in the development lifecycle to be more proactive and upfront in the development process, and to proactively.... Collaborate with development teams and stakeholders to ensure reliability solutions align with technical and business needs
Manager, Software Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 16 Jul 2026
and systems, or software-development methodologies - Ensure quality of one or more application codebases and alignment... with development standards. - Applies technical capabilities within own discipline to coach and develop junior employees
Director, Finance Business Partner
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 16 Jul 2026
plans and execution roadmaps o Support decision-making across product development, platform investments, and resource... development cycles Strong analytical and problem-solving skills with ability to synthesize complex data Effective communicator
Manager Software Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 15 Jul 2026
engineering excellence across the software development lifecycle while coaching and developing engineers, influencing technical... standards. Role & Responsibilities Engineering & Technical Leadership Lead the design, development, testing, deployment
Senior Site Reliability Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: US$96000 - 163000 per year | Date posted: 15 Jul 2026
is to engage early in the development lifecycle to be more proactive and upfront in the development process, and to proactively.... Collaborate with development teams and stakeholders to ensure reliability solutions align with technical and business needs
Restorative Rehab Nurse Assistant
Company: Powerback Rehabilitation |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 15 Jul 2026
our PowerZone Employee Recognition Program, and expand your expertise with our Clinicians in Action professional development program... and approaches to individual patient needs. 4. Attends care plan conferences and provides input into development of individualized
Host / Hostess (upscale / Fine Dining)
Company: Golden Nugget |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 14 Jul 2026
to be our greatest asset. What we offer you: Unparalleled training and development programs Generous employee discounts on dining
Host / Hostess (upscale / Fine Dining)
Company: Landry's |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 14 Jul 2026
to be our greatest asset. What we offer you: Unparalleled training and development programs Generous employee discounts on dining
Lead Workday Engineer - Integrations And Extend
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 14 Jul 2026
of Mastercard's Workday platform through Workday Extend, AI, automation, APIs, and modern application development. Role Lead the... architecture, design, development, testing, implementation, documentation, and support of enterprise applications using Workday
Restaurant Team Member
Company: Panera Bread |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 11 Jul 2026
(k) with match available Career advancement & leadership development opportunities Tuition discounts Perks & rewards for team
Account Manager - State Farm Agent Team Member
Company: State Farm |

Location: O'Fallon, MO, USA

| Salary: US$40000 - 60000 per year | Date posted: 11 Jul 2026
off Training & development ROLE DESCRIPTION: As a Account Manager - State Farm Agent Team Member with Sarah Shay
Physical Therapist (pt)
Company: Powerback Rehabilitation |

Location: O'Fallon, MO, USA

| Salary: US$60 per hour | Date posted: 10 Jul 2026
Recognition Program, and expand your expertise with our Clinicians in Action professional development program. Responsibilities
Manager, Software Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 08 Jul 2026
across software design, development, testing, security, performance, operability, and delivery, ensuring solutions are scalable..., you will: Team Leadership & Development Serve as a servant leader for a cross-functional engineering team including Software
Lead Software Engineer
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 08 Jul 2026
leadership to deliver resilient, scalable solutions while championing software quality across the development lifecycle. You'll... contribute hands-on development, drive testing strategy, improve system design and testability, and mentor engineers to elevate
Licensed Cosmetologist / Barber
Company: Hair Saloon HS001 |

Location: O'Fallon, MO, USA

| Salary: US$60000 - 85000 per year | Date posted: 07 Jul 2026
Health insurance Paid time off Training & development Vision insurance Join the Hair Saloon Team as a PHD (Professional
Manager, Software Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 07 Jul 2026
career development, coaching, and performance management. Foster a culture of ownership, innovation, and continuous learning.... Set clear goals and expectations, and provide regular feedback and development plans. Operational Excellence Own the
Emergency Room Patient Care Tech-ft
Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 07 Jul 2026
safety, quality and regulatory compliance. Participates in professional development. Minimum Requirements Education... with BJC match Tuition Assistance available on first day BJC Institute for Learning and Development Health Care
Director, Platform Engineering
Company: Mastercard |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 04 Jul 2026
and operations o Application development teams o Architecture and governance groups Acts as a subject matter expert for IaC
Emergency Department Rn - $32-48 Per Hour
Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: US$32 - 48 per hour | Date posted: 03 Jul 2026
. The BJC RN Career Ladder promotes professional development, leadership, collaboration, education and service excellence... compliance. Participates in professional development. Develops, implements, and documents individual plans of care with defined
Emergency Room - Clinical Nurse (nights)
Company: BJC HealthCare |

Location: O'Fallon, MO, USA

| Salary: unspecified | Date posted: 03 Jul 2026
of their license and own their career progression. The BJC RN Career Ladder promotes professional development, leadership... patient safety, quality and regulatory compliance. Participates in professional development. Develops, implements