Backend Engineer Salary in St. Louis
2026 compensation data for Backend Engineer positions in St. Louis, MO. Ranges from $74,000 (entry-level) to $212,000 (senior). Median: $131,000.
Median (Mid)
$131,000
$62.98/hr
vs National
+3%
US: $127,000
COL Index
92
vs US avg = 100
Senior Max
$212,000
Top of band
Salary Ranges by Experience Level
Detailed Compensation Breakdown
| Level | Annual Min | Annual Median | Annual Max | Hourly (Median) |
|---|---|---|---|---|
| Entry-Level (0–2 yrs) | $74,000 | $90,000 | $109,000 | $43.27/hr |
| Mid-Level (3–5 yrs) | $109,000 | $131,000 | $156,000 | $62.98/hr |
| Senior (6+ yrs) | $152,000 | $179,000 | $212,000 | $86.06/hr |
What Your Salary Is Really Worth in St. Louis
A mid-level backend engineer earning $131,000 in St. Louis has the same buying power as $142,000 in an average US city, after adjusting for the local cost of living (COL index 92).
Cost of living comparisons use a base of 100 (US national average). Higher index = higher housing, transport, and consumer prices.
About Backend Engineer Salaries in St. Louis
The median backend engineer salary in St. Louis, MO is $131,000 for mid-level professionals, which is 3% above the national median. With a cost of living index of 92 (national average = 100), St. Louis offers an affordable cost of living, making these salaries stretch further.
Entry-level backend engineers in St. Louis can expect to earn between $74,000 and $109,000 (about $43.27/hour), while senior professionals with 6+ years of experience earn up to $212,000 ($212K annually, or about $101.92/hour).
These figures represent base salary only and do not include bonuses, equity, or benefits, which can add 20–50% to total compensation — especially at technology companies and in competitive markets like St. Louis.
Frequently Asked Questions: Backend Engineer Salary in St. Louis
What is the average Backend Engineer salary in St. Louis?+
The average Backend Engineer salary in St. Louis is $131,000 for a mid-level professional (3–5 years of experience). Entry-level pay starts around $90,000 and senior-level pay reaches $179,000.
How much does an entry-level backend engineer make in St. Louis?+
Entry-level backend engineers in St. Louis earn between $74,000 and $109,000, with a median of $90,000 per year (about $43.27/hour).
What is the hourly rate for a Backend Engineer in St. Louis?+
Based on a 2,080-hour work year, a Backend Engineer in St. Louis earns roughly $43.27/hour at entry-level, $62.98/hour at mid-level, and $86.06/hour at senior-level.
Is the Backend Engineer salary in St. Louis higher than the US average?+
Yes — Backend Engineer salaries in St. Louis are about 3% higher than the US national median of $127,000.
Does this include bonuses or equity?+
No — these figures are base salary only. Total compensation (base + bonus + equity + benefits) is typically 20–50% higher, and can be 2–3x at top technology and finance employers.
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