Software Engineer II
Mastercard · St. Louis, MO
$92,000–$147,000from the description
Jul 11, 2026
St. Louis, MO
Jul 20, 2026
What this job asks for AI summary
Mid level · St. Louis, MO-IL · Full-time
“or” means any one of them counts — you don't need all of them.
Posted 2 times — it's one opening, so apply once.
We read this from the posting text with AI. Skim the description below before ruling yourself out.
How this req sits in the market our data
Roughly 230 people in the St. Louis, MO-IL area plausibly meet what this posting asks for (software developers). range 170–290
Applicant volume Moderate — A normal amount of company. The rare requirements below are what will separate a shortlisted application from the rest.
Rare in this occupation — lead with these, and say what you built with them.
Most people in this occupation already list these. Still required — just not what gets you shortlisted.
What the occupation pays Median $131,867 (middle half $103,906–$159,758). This posting is about at that midpoint.
Estimated from BLS employment for this occupation and area, per-skill prevalence across our listing corpus, and published wage benchmarks — as of Jul 28, 2026. It is a model, not a headcount.
Why we read it this way (5)
The title 'Software Engineer II' maps to a Mid-level band on a standard career ladder, and the scope of the role (delivering assigned work with guidance from seniors, following established processes) is consistent with Mid-level.
No minimum total years of experience is stated in the posting.
OWASP/CWE and Sonar/Checkmarx appear under the 'All About You' requirements section but are framed with 'familiarity with' — a softer qualifier — so they are treated as preferred rather than hard gates.
Agile methodology experience (Scrum, Kanban, SAFe) is listed in the requirements section but framed as general 'experience participating in' agile delivery; captured as preferred given the soft framing.
The pay range ($92,000–$147,000) is explicitly tied to O'Fallon, Missouri; the CBSA reflects the St. Louis metro area, which includes O'Fallon.
Read the full posting
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