Sr. Software Engineer II, Backend (Rust)

NinjaTrader · Chicago or Remote*

Posted 29 days ago · $140,000.00 - $190,000.00

or apply directly on NinjaTrader's site. We never take the application ourselves.

Is this posting real?

This role has been open: 29 days
Reposted: No
Salary listed: Yes
Ghost-job risk at NinjaTrader: high
Hiring momentum: 36 roles opened in the last 90 days
Last confirmed on the employer's board: 2026-09-17

Measured from postings appearing on and disappearing from NinjaTrader's own greenhouse board since 2026-08-03. Full hiring picture for NinjaTrader.

About this role

As a Sr. Software Engineer II at NinjaTrader, you will be responsible for developing and maintaining backend services in Rust that support account creation, identity verification, and KYC/CIP decisioning. You will work on integrations with various providers, ensure data handling correctness for sensitive information, and design scalable service architectures. Additionally, you will mentor other engineers and participate in cross-functional design reviews, significantly impacting the onboarding process for new customers.

Our read on this posting4.6out of 5

benefits: 5/5
freshness: 4/5
career value: 4/5
role clarity: 5/5
pay transparency: 5/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of NinjaTrader as an employer.

What you need

6+ years of professional software development experience, including substantial production Rust
Strong command of Rust in production: ownership and lifetimes, error modeling, trait design, and the async ecosystem (tokio), plus serde and a SQL layer such as sqlx or diesel
Demonstrated ability to write highly testable Rust, including pure functions at decision boundaries, table-driven tests, fixture-based integration testing, and strict contract tests
Proven experience designing HTTP and event-driven service integrations, including versioning and backward compatibility
Experience handling sensitive data under real constraints (encryption, secret management, least-privilege access, and audit requirements) in containerized cloud environments such as Docker and Kubernetes
Demonstrated use of AI coding agents (Codex, Cursor, Claude Code) as a standard part of your engineering workflow, with the judgment to review and validate AI-assisted code before it ships

Nice to have

Experience with identity verification, KYC/AML, CIP, or fraud and risk decisioning systems
Experience in fintech, trading, brokerage, or crypto, particularly in a regulated financial services environment
Experience in a large Rust monorepo with shared crates, workspace tooling, and multi-team code ownership
Familiarity with policy-driven flow engines (YAML or JSON defined workflows), schema-driven contracts such as gRPC or protobuf, and feature flagging platforms such as Statsig
Passion for futures, crypto, derivatives and trading technologies

What you get

Salary range of $140,000.00 - $190,000.00 USD
Annual target bonus of 12%
401K plan with company match up to 3.5%
Annual paid time off allowance of 18 days plus seven paid holidays
20 additional flex remote days annually
5 Company Wide Office-Optional weeks tied to major holidays

Worth weighing

Remote flexibility is limited to exceptional candidates in specific states
Hybrid work schedule for Chicago-based employees requires in-office attendance Tuesday through Thursday
No salary listed for remote positions outside of the specified states

Summarised from NinjaTrader's posting. Read the full original.

Listed by NinjaTrader on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

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