Sr. Software Engineer I, Evaluation Services

NinjaTrader; Chicago (IL); Hybrid; USD 80,000 - 100,000; Full time

Benefits offered by this job

Generous PTO

401K with company match

Life and Disability Insurance

Job summary

NinjaTrader is seeking a Senior Solutions Engineer, Evaluation Services in Chicago or Remote, to serve as a technical contact for API integrations. The role requires 5+ years in technical support or solutions engineering, excellent troubleshooting skills, and the ability to mentor others. Key responsibilities involve working with engineering teams, debugging issues, and improving API support processes. Benefits include competitive salary, annual bonus, 401K match, and generous PTO. Hybrid work schedule available, allowing flexibility for remote work.

Qualifications

• 5+ years of experience in technical support or solutions engineering with a focus on APIs.
• Experience working alongside Technical Account Managers to drive partner success.
• Ability to debug code and guide architectural decisions.

Responsibilities

• Serve as the senior technical point of contact for partners integrating with NinjaTrader APIs.
• Collaborate closely with Technical Account Managers for seamless partner experience.
• Drive continuous platform improvement by synthesizing partner feedback.

Skills

Technical support

Solutions engineering

API integration

Troubleshooting

Verbal communication

Documentation skills

Mentoring

Tools

React

Node.js

TypeScript

Swagger/OpenAPI

Job description

Sr. Solutions Engineer, Evaluation Services

Chicago or Remote*

What you’ll do

• Serve as the senior technical point of contact for partners integrating with NinjaTrader APIs, providing expert guidance on authentication, endpoints, data models, and architectural best practices
• Partner directly with external engineering teams to debug complex integration issues, conduct code reviews of their implementations, and accelerate time-to-production
• Collaborate closely with Technical Account Managers to deliver a seamless partner experience, translating business requirements into technical solutions and providing real-time support during critical integration milestones
• Diagnose and resolve complex API issues spanning WebSocket connections, REST endpoints, and real-time data feeds, often under time pressure with high-value partners
• Own the quality standard for API support, establishing best practices for troubleshooting, documentation, and partner communication that the broader team can follow
• Build and enhance internal tools, scripts, and diagnostic utilities that improve support efficiency and enable faster issue resolution
• Drive continuous platform improvement by synthesizing partner feedback into actionable recommendations for Product and Engineering, influencing the API roadmap
• Mentor junior team members on technical troubleshooting, partner communication, and maintaining composure in high‑stakes situations
• Develop deep expertise in NinjaTrader’s evaluation platform, trading systems, and API architecture to provide authoritative technical leadership

What you’ll need

• 5+ years of experience in technical support, solutions engineering, or developer relations with a focus on APIs and partner integrations
• Proven track record of working alongside Technical Account Managers and cross‑functional teams to deliver successful partner outcomes in a fast‑paced environment
• Demonstrated ability to work directly with partner engineering teams — reviewing code, pair debugging, and guiding architectural decisions
• Excellent troubleshooting skills with the ability to analyze logs, trace API calls, and isolate issues across distributed systems under pressure
• High quality standards with attention to detail in documentation, communication, and technical deliverables
• Ability to think on your feet and adapt quickly when priorities shift or unexpected issues arise
• Outstanding written and verbal communication skills with the ability to translate complex technical concepts for both technical and non‑technical audiences
• Self‑starter who thrives in ambiguity and can manage multiple high‑priority partner engagements simultaneously
• Experience with trading platforms, fintech, or capital markets technology
• Familiarity with React, Node.js, or full‑stack TypeScript development
• Background in developer experience (DevEx), developer advocacy, or technical evangelism
• Experience with API documentation tools (Swagger/OpenAPI, ReadMe, or similar)
• Prior experience supporting enterprise or B2B partner integrations
• Passion for futures, derivatives, and trading technologies is a strong plus

Compensation

The salary range for this role will be $80,000.00 - $100,000.00 USD. In addition, this position will also receive an annual target bonus of 12%. Bonus pay at NinjaTrader is based on individual performance (50%) as well as company/team performance (50%).

Salary and bonus earnings are only two components of the total compensation package offered by NinjaTrader. NinjaTrader offers a 401K plan through ADP under which the company will match up to 3.5% of employee contributions. Annual paid time off allowance accrues at a rate of 18 days per year (some positions may qualify for more) plus seven paid holidays.

Location

This role is based in Chicago, IL. *There may be remote flexibility for exceptional candidates in the following states: California, Colorado, Florida, Georgia, Illinois, Indiana, Minnesota, Missouri, Montana, New Jersey, New York, North Carolina, Ohio, Oregon, Pennsylvania, South Carolina, Texas, Utah, Vermont, Virginia, Washington, Washington DC, Wisconsin.

Hybrid

For Chicago‑based employees, we follow a hybrid work schedule: In‑office Tuesday through Thursday, with remote work on Mondays and Fridays. In addition to these weekly remote days, we offer:

• 20 additional flex remote days annually
• 5 Company Wide Office‑Optional weeks tied to major holidays

Our Core Benefits Include

• Generous PTO
• 7 Paid Holidays Annually + 5 Conditional Holidays Annually
• 1 Service Day Annually

• 401k with 3.5% Company Match
• Life and Disability Insurance Covered 100% by NinjaTrader

Equal Employment Opportunity

We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender, gender identity or expression, or veteran status. We are proud to be an equal opportunity workplace.