HQ: Chicago, United States · Hedge Funds & Alternative Investments · Online Brokerage & Trading Platforms · 51-200 employees · Est. 2004 · Trust B · Hiring 4
Simplex Trading’s technology team transforms the strategies conceived by our traders into efficient, scalable code.
No named decision-maker yet.
Careers mailbox is known
$125k – $200k per year · Middle · 4+ years exp · In office (Chicago, United States) · Full-Time · Middle
C#
C++
Java
DevOps
Linux
Unix
HQ: South San Francisco, United States · Payment Processing & Gateways · 1001-5000 employees · Est. 2010 · Trust B · Hiring 714, 65 new
Stripe is a financial infrastructure company founded in 2010 by the Irish brothers Patrick and John Collison, dual-headquartered in South San Francisco and Dublin. Its APIs let businesses accept payments, run marketplaces, issue cards, manage subscriptions and handle tax and compliance without building banking integrations themselves, and it processes well over a trillion dollars of volume a year for customers ranging from startups to the largest technology companies. Beyond payments the company has expanded into treasury and issuing, revenue and finance automation, stablecoin infrastructure through its Bridge acquisition, and fraud prevention powered by its own machine learning models.
John Collison · Co-Founder & President · decision-maker
Patrick Collison · Co-Founder & Chief Executive Officer · decision-maker
Robert McIntosh · Executive Officer · decision-maker
Carmel Galvin · Executive Officer · decision-maker
Careers mailbox is known
≈ $120k – $248k per year (Estimated) · Junior · 2+ years exp · Chicago · Remote (United States) · Junior
Go
C++
Java
Databases
ElasticSearch
Trino
Amazon DocumentDB
AI/ML
Machine Learning
HQ: Old Greenwich, United States · Hedge Funds & Alternative Investments · 1001-5000 employees · Est. 2007 · Trust B · Hiring 83
Headquartered in Old Greenwich, Connecticut, WorldQuant is a global quantitative investment management firm and hedge fund. The company develops and deploys systematic trading strategies, predictive algorithmic signals ("alphas"), and data-driven portfolio management models across global equity and financial markets. By combining advanced machine learning, massive financial datasets, and a distributed international network of quantitative researchers, it systematically identifies market inefficiencies to generate consistent, risk-adjusted investment returns.
No named decision-maker yet.
Careers mailbox is known
$150k – $250k per year · Middle · 4+ years exp · In office (New York, Austin, Chicago, United States) · Middle
