Junior jobs in o'fallon USA
19 junior jobs found in o'fallon: showing 1 - 19
Senior Software Engineer
Company: Mastercard |
, and incident response. Mentor junior engineers, share technical expertise, and provide guidance on engineering best practicesLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 08 Jul 2026
Lead Software Engineer
Company: Mastercard |
and coach junior engineers, fostering technical growth and engineering excellence. Present technical concepts, project updatesLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 08 Jul 2026
Full Stack Java Developer
Company: Wipro |
Testing and Performance Testing. Contribute to the architecture and design of our systems. Mentor junior engineers and shareLocation: O'Fallon, MO, USA
| Salary: US$60000 - 135000 per year | Date posted: 03 Jul 2026
Senior Technical Program Manager
Company: Mastercard |
& Mentorship Provide leadership and mentorship to junior TPMs and team members. Foster a culture of accountability, collaborationLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 02 Jul 2026
Lead Site Reliability Engineer
Company: Mastercard |
and guide less experienced junior engineers. We support daily operations with a hyper focus on triage, root causeLocation: O'Fallon, MO, USA
| Salary: US$122000 - 207000 per year | Date posted: 01 Jul 2026
Senior Site Reliability Engineer
Company: Mastercard |
with a global team spread across tech hubs in multiple geographies and time zones Share knowledge and mentor junior resourcesLocation: O'Fallon, MO, USA
| Salary: US$163000 per year | Date posted: 01 Jul 2026
Lead Site Reliability Engineer
Company: Mastercard |
and guide less experienced junior engineers. We support daily operations with a hyper focus on triage, root causeLocation: O'Fallon, MO, USA
| Salary: US$122000 - 207000 per year | Date posted: 01 Jul 2026
Lead Site Reliability Engineer
Company: Mastercard |
across all environments. Influence, Mentorship & Thought Leadership Mentor senior and junior engineers, raising the technical bar across theLocation: O'Fallon, MO, USA
| Salary: US$122000 - 207000 per year | Date posted: 01 Jul 2026
Senior Site Reliability Engineer
Company: Mastercard |
geographies and time zones Share knowledge and mentor junior resources Qualifications BS degree in Computer ScienceLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 01 Jul 2026
Senior Software Engineer
Company: Mastercard |
, platform) to deliver high-quality solutions Mentor junior engineers and support knowledge sharing across the team ContributeLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 06 Jun 2026
Senior Patient Service Representative - Internal Medicine
Company: BJC HealthCare |
supporting the physician office. This position maintains a strong knowledge of and trains new and/or junior level team membersLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 29 May 2026
Senior Software Engineer
Company: Mastercard |
for development, deployment support, owning the delivery of user stories, mentoring junior team members, and performing code reviews... with developers, architects, and product teams to drive engineering best practices - Mentor junior engineers and contributeLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 26 May 2026
Senior Site Reliability Engineer
Company: Mastercard |
with a global team spread across tech hubs in multiple geographies and time zones Share knowledge and mentor junior resourcesLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 19 May 2026
Senior Software Engineer
Company: Mastercard |
for initiatives, mentoring junior team members through all phases of the software development lifecycle, and ensuring complianceLocation: O'Fallon, MO, USA
| Salary: US$115000 - 184000 per year | Date posted: 05 May 2026
Lead Site Reliability Engineer
Company: Mastercard |
across all environments. Influence, Mentorship & Thought Leadership Mentor senior and junior engineers, raising the technical bar across theLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 05 May 2026
Senior Site Reliability Engineer
Company: Mastercard |
geographies and time zones Share knowledge and mentor junior resources Qualifications BS degree in Computer ScienceLocation: O'Fallon, MO, USA
| Salary: US$96000 - 163000 per year | Date posted: 04 May 2026
Lead Site Reliability Engineer
Company: Mastercard |
and guide less experienced junior engineers. We support daily operations with a hyper focus on triage, root causeLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 30 Apr 2026
Senior Data Engineer (apache Spark, Nifi, Sql)
Company: Mastercard |
with external / internal resources and provide technical leadership to junior team members Ability to be high-energy, detailLocation: O'Fallon, MO, USA
| Salary: unspecified | Date posted: 29 Apr 2026
Commercial Data Integration Platform - Lead Developer
Company: Mastercard |
and elevate development teams, providing guidance and support to junior engineers Communicate effectively with both technical