Sr. Software Engineer I, Evaluation Services
NinjaTrader
$125,000–$175,000from the description
Jul 15, 2026
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Jul 21, 2026
What this job asks for AI summary
A senior engineering role focused on supporting external partners integrating with a trading platform's APIs. Day-to-day work involves debugging complex REST and WebSocket issues alongside partner engineering teams, conducting code reviews, building internal diagnostic tooling, and translating partner feedback into product recommendations. Suits an experienced API or integrations engineer comfortable operating as a technical authority in a partner-facing, cross-functional setting.
Senior level · 5+ years · Chicago-Naperville-Elgin, IL-IN-WI · Full-time
“or” means any one of them counts — you don't need all of them.
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 660 people in the Chicago-Naperville-Elgin, IL-IN-WI area plausibly meet what this posting asks for (software developers). range 500–860
Applicant volume Moderate — A normal amount of company. The rare requirements below are what will separate a shortlisted application from the rest.
Most people in this occupation already list these. Still required — just not what gets you shortlisted.
What the occupation pays Median $137,335 (middle half $106,829–$171,337). 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 (7)
This role sits at the intersection of software engineering and technical account management — the primary day-to-day work is API development, debugging, and building internal tooling, which maps to Software Developers (15-1252); however, the heavy partner-facing support and TAM-collaboration angle could also suggest a technical solutions/integration specialist role (15-1299). Medium confidence on SOC.
Remote flexibility is available for exceptional candidates across a listed set of US states, but the primary location is Chicago, IL with a hybrid schedule; remote=false reflects the default expectation.
The posting mentions a 12% annual target bonus in addition to the $125,000–$175,000 base salary range; the bonus is not captured in the comp fields, which reflect base salary only.
TypeScript/JavaScript and Python are listed together as interchangeable scripting/debugging languages under the requirements section; TypeScript is used as the primary name with JavaScript and Python as alternatives.
Postman, curl, and browser developer tools are listed together as API debugging tools; Postman is the primary name with the others as alternatives.
React, Node.js, and full-stack TypeScript development appear under 'Bonus points for' and are treated as preferred.
Swagger/OpenAPI and ReadMe appear under 'Bonus points for' as API documentation tools and are treated as preferred.
Read the full posting
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