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Principal Software Engineer

TradeStation USA (Remote) Full-Time

Who We Are:

We are a fast-growing, mid-sized financial services firm providing cutting-edge brokerage, advisory, and trading technology solutions. Our clients include high-frequency traders, institutional investors, and high-net-worth individuals. We are passionate about delivering white-glove service to our top-tier clients and view every client interaction as an opportunity to differentiate.

What We Are Looking For:

Do you love the challenge of designing and building mission-critical low-latency distributed systems that handle millions of events per second? If so, we have an opportunity for you as a developer, architect and leader on an Agile team building high performance, real-time systems for financial market data networks. A key part of the role is delivering new and innovative services to our customers by modernizing our architecture and software engineering practices. Success in this role requires a strong technical background with a high degree of proficiency and creativity. The role requires an enthusiastic willingness to creatively solve problems for which there are no pre-existing solutions.

What You'll Be Doing:

  • Design and develop new services, unit tests, and automation tools
  • Be a driver of innovation, technical thought leader and mentor to other less experienced engineers
  • Work in a cross-functional team in a fast-paced DevOps environment
  • Maintain and improve existing systems and applications with a focus on optimizing both systems and workflows

The Skills You Bring:

  • Demonstrated technical leadership as a team member in a hands-on role; leading by example is expected
  • Experience as a senior developer, making design decisions, performing code reviews and mentoring team members
  • Familiarity working in a fluid Agile environment and demonstrated success with structured testing practices such as automated unit testing, regression testing, TDD and continuous delivery
  • Experience with distributed and scalable software architectures, understanding of CAP theorem
  • Familiar with scripting and automation (e.g. Bash, PowerShell, Ruby, Python etc.)
  • Experience with communication protocols (low level TCP/UDP/IP, WebSockets, Protobufs, HTTP)
  • Knowledgeable about multi-threading, inter-process communications and event handling
  • Willingness to carry out continual in-depth training and mentoring of staff to complete day to day objectives

Minimum Qualifications:

  • Minimum of 5 years strong C# coding skills
  • Experience with C++, Kafka
  • API development experience
  • Bachelor’s Degree in software engineering, equivalent degree, or comparable industry experience

Desired Qualifications:

  • Experience with low-latency software development
  • Involvement in open-source projects with a demonstrated portfolio
  • Cloud architecture and deployment (AWS, Stacker, MSK, ElasticCache)
  • Hands-on Docker or Kubernetes experience
  • Knowledge of financial markets/trading
  • Understanding of SQL and database programming, including NoSQL and document DBs (Redis)

What We Offer:

  • Collaborative work environment
  • Competitive Salaries
  • Yearly bonus
  • Generous 401k plan (US only)
  • Comprehensive benefits for you and your family starting Day 1
  • Unlimited Paid Time Off
  • Flexible working environment
  • TradeStation Account employee benefits, as well as full access to trading education materials
  • Pay Range (US) $160-180K (Countries outside of the US have differing ranges in accordance with local labor markets)

TradeStation provides equal employment opportunities to current and prospective employees, without regard to race, color, religion, sex, national origin, ancestry, sexual orientation, age, pregnancy, disability, handicap, citizenship, veteran or marital status, or any other legally recognized status entitled to protection under federal, state, or local anti-discrimination laws.

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Job Snapshot

Employee Type

Full-Time

Location

USA (Remote)

Job Type

Information Technology

Date Posted

08/22/2025

Job ID

3217

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