Salary Data
Software Engineer Salary in St. Louis
$122,000
median salary, 10% below the national average
According to Orbit's 2026 salary analysis, the average Software Engineer salary in St. Louis is $122,000. Salaries range from $95,000 (25th percentile) to $158,000 (75th percentile), adjusted for St. Louis's cost of living.
Salary range
How St. Louis compares
St. Louis, MO
$122,000
Cost of living: 10% below average
National Average
$135,000
St. Louis is $13,000 below
Software Engineer job market in St. Louis
St. Louis market overview
St. Louis offers one of the most affordable major metro areas in the country, with a strong base in healthcare, financial services, and manufacturing. The region's anchor employers include Boeing, Centene, and Washington University's medical campus. A growing biotech and plant sciences corridor centered on the Cortex Innovation District is attracting new investment and talent.
What drives Software Engineer salaries
Years of experience, specific technology stack expertise, and company stage are the primary drivers. Engineers proficient in distributed systems, cloud infrastructure, or high demand languages like Rust and Go command premiums. Working at a FAANG or well funded startup significantly shifts the upper bound of compensation.
Beyond base salary
Total compensation
Total compensation at top companies often doubles the base through equity grants (RSUs or stock options) and annual bonuses of 10 to 20%. Signing bonuses of $20,000 to $50,000 are common at senior levels. Benefits typically include generous 401(k) matching and wellness stipends.
Tax considerations in St. Louis
Missouri's top income tax rate is about 4.8%, and St. Louis City adds a 1% earnings tax. The low base cost of living means your after tax salary still stretches further than in most metros.
Career progression
Junior engineers typically start at $85,000 to $110,000, with mid level reaching $130,000 to $170,000 after three to five years. Senior engineers earn $170,000 to $250,000+, while staff and principal engineers at top firms can exceed $400,000 in total compensation. Moving into management or architecture opens additional tracks.
Top industries in St. Louis
Negotiating in St. Louis
Emphasize your willingness to work in person at Cortex or the BJC campus. St. Louis employers offer higher packages for candidates who commit to the local innovation hubs.