988,386open jobs
59,033companies
162,644added this week
Browse all
Salary
$150k – $200k per year
Location
In office (Chicago)
Seniority
Junior · 1+ year exp
Employment
Full-Time

Confirmed on the employer's own hiring board on Sep 30, 2026. First seen by Alion on Nov 20, 2024. Simplex Trading scores B on the Alion truth index.

Overview
Company
Impact
Profile match
Simplex Trading’s technology team transforms the strategies conceived by our traders into efficient, scalable code.

Our employees are our greatest asset. We have spent years building a team of talented, dedicated technologists, data-driven traders, and expert leaders with an emphasis on our core pillars: People, Process, Trading Edge, and Technology. Simplex is an in-office organization, helping to foster a collaborative and communicative culture.

Career Description

Simplex is looking for analytical and creative individuals to join our trading team.  Traders at Simplex work closely with our technology team to design and optimize algorithmic trading strategies based on deep knowledge of market microstructure, trading  dynamics, and data-focused understanding of pricing, risk management, and order flow.  An ideal candidate is collaborative, strongly self-motivated, and capable of detail-oriented troubleshooting, data analysis, and robust systems design.

What will you be doing?

  • Design, troubleshoot, and optimize trading strategies and supporting pricing, risk management, and order execution modules
  • Iteratively improve trading models and parameters through research and data-focused analysis
  • Investigate new opportunities and avenues for firm market share growth or product expansion

Skills and Experience:

  • At least one year professional experience in algorithmic trading, ideally equity or futures options
  • A track record of solving challenging analytical problems and implementing robust solutions
  • Firm understanding of statistics and probability, linear algebra, and calculus
  • Proficiency with Python and/or R for research, data analysis, and statistical modeling
  • Experience working with large datasets using relational databases, ideally SQL/MySQL
  • Exposure to Linux/Unix beneficial

Annual base salary ranges from $150,000 to $200,000, and is influenced by a number of factors, including qualifications and experience. This role is also eligible for an annual discretionary bonus, of which can be a significant portion of total compensation. This full time role is also eligible for other forms of compensation and benefits including health/dental/vision insurance, and 401(k) contributions.

Algorithmic Trader pay range

$150,000—$200,000 USD

Why us?

Founded in Chicago in 2004, Simplex is a leading, technology-driven, proprietary market-making firm. We work with the most advanced technology and software in the market, and we’ve continued to remain at the forefront of the industry by always focusing on innovation, automation, and data-driven analysis. We also leverage our experience and expertise to make strategic investments and capitalize on opportunities in the venture capital markets with promising, early-stage financial and technology start-ups. 

PLUS, the goods!

  • Benefits: Excellent a la carte Medical/Dental/Vision (free employee coverage!), 401(k) match, generous parental leave!
  • The Office: The kitchen is stocked with snacks, and beverages; you also have daily stipends for breakfast and lunch! 
  • Tuition Reimbursement: As an investment in our employees’ careers and the company’s future, we offer educational assistance to provide employees with professional development opportunities that increase their skills and enhance their contributions to the organization!
  • Employee Discounts: To gyms, national brands, and more!
  • Building:  We are located in the Federal Reserve building. As a tenant, you have access to a building gym and a full cafeteria. We are easily accessible to all public transportation.
  • Charity Match: We match up to $2,000 a year in donations to the charities of your choice!
  • Fun Events: In-person happy hours, celebrations throughout the year, game nights, video game fun, and so much more!

Simplex is an Equal Opportunity Employer. Simplex and its recruitment partners may use artificial intelligence (AI) tools to support certain aspects of the recruiting and hiring process. Final hiring decisions are made by humans. For all job postings, Simplex may use AI to review and analyze applications, resumes, interviews, and applicant responses.  Simplex complies with applicable federal and state laws governing AI use. Applicants may still request reasonable accommodations. For more information related to AI or to request an accommodation, please contact  [email protected]. 

Free account
Stop reading job ads. Get the ones that fit.
One free account turns this page into a shortlist built around your stack, your level and your pay.
Match on every job. Stack, seniority, pay and location, scored against your profile.
988,386 open roles. Read straight off company career pages, refreshed every day.
Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.
3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.
Create a free account Continue with Google
Free forever. No card. Under a minute.

Your match

How well do you fit this role?
Two answers are enough for a real match. No account needed.
Check my fit
Answers stay in this browser until you create an account.

Recommended for you based on this role

Finance
Similar stack
Same company
Chicago
$40k – $68k per year • Hybrid • Internship • Bachelor's Degree • Albuquerque
Apply
$68k – $105k per year • In office • Full-Time • 7+ years exp • High School Diploma • Omaha • Sioux Falls • Des Moines • Lincoln • Boulder
PHP
Management
Outlook
Microsoft Office
Apply
$95k – $120k per year • In office • Full-Time • 2+ years exp • Bachelor's Degree • San Francisco
Management
Google Sheets
Stripe
Apply
$32k – $48k per year • In office • Full-Time • 2+ years exp • High School Diploma • Richmond
Apply
$58k – $72k per year • In office • Full-Time • 3+ years exp • Associate's Degree • Richmond
Apply
$39k per year • Remote (likely EAEU) • Full-Time • 5+ years exp • Russia
Python
SQL
Databases
PostgreSQL
AI/ML
Copilot
Cursor
Claude
AI Agents
DevOps
CI/CD
Docker
Kubernetes
Apply
$125k – $148k per year • Remote (United Kingdom, Ireland) • 7+ years exp • PhD
Python
SQL
Databases
Snowflake
Databricks
AI/ML
dbt
AI Agents
LLM
RAG
DevOps
CI/CD
Cybersecurity
GDPR
Management
Agile
Apply
≈ $11k – $31k per year (Estimated) • In office • Full-Time • 2+ years exp • Bengaluru
Python
PowerShell
Bash
DevOps
Splunk
Linux
Windows
Cybersecurity
Crowdstrike
Microsoft Defender
MITRE ATT&CK
Google SecOps
SIEM
Apply
In office • Full-Time • Niort
SQL
C#
DevOps
Rest API
GitLab
Management
Agile
Apply
≈ $62k – $161k per year (Estimated) • Hybrid • Full-Time • London • Manchester
Python
JavaScript
Apply
$78k – $108k per year • Hybrid • Full-Time • 2+ years exp • Bachelor's Degree • Chicago
Cybersecurity
HIPAA
Management
Outlook
Apply
≈ $109k – $210k per year (Estimated) • Remote (United States) • Full-Time • 3+ years exp • Bachelor's Degree • Louisville • Charlotte • Tampa • Fort Lauderdale • Washington
Cybersecurity
HIPAA
Apply
≈ $37k – $78k per year (Estimated) • Hybrid • 2+ years exp • Bachelor's Degree • Chicago
Analytics
Microsoft Excel
Management
Microsoft Office
Apply
$117k – $175k per year • Equity • In office • Full-Time • 5+ years exp • Chicago • Victoria • Toronto • Calgary • Montreal
Java
C#
C#
.NET
Apply
Data Scientist 1 day ago
$105k – $124k per year • In office • Full-Time • 4+ years exp • Bachelor's Degree • Minneapolis • Atlanta • Chicago • Charlotte
Python
SQL
SAS
Databases
Databricks
AI/ML
Machine Learning
DevOps
Azure
Linux
Apply
See all jobs
This is one of many
988,386 more open roles from verified company boards, updated every day.