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Software Engineer - Prediction Markets

4C Software
Chicago, IL Full Time
POSTED ON 5/22/2026
AVAILABLE BEFORE 11/17/2026

Software Engineer - Prediction Markets


About the Company

4C Software is a prediction markets company powering high-volume sports trading infrastructure through our platforms 4casters and 4cx. Over the last 12 months, more than $1B has been traded across our systems. We’re a profitable team of fewer than 10 people who have been building in prediction markets since 2017, and we’re on pace for $2M–$3M in revenue this year. We ship quickly, work with minimal bureaucracy, and expect engineers to operate with autonomy and take ownership of the features they build.


We are looking for an engineer who has personal experience using sportsbooks or prediction markets and is based in, or willing to relocate to, Chicago.


You will be learning and improving an existing exchange system that already processes significant trading volume. The right person will be comfortable understanding systems they did not originally build, asking good questions, making careful changes, and gradually taking ownership of critical parts of the product


What you’ll bring to the table

  • Proficiency in golang or javascript/typescript
  • Experience working with 3rd party APIs and data feeds
  • Ability to pick up new technologies and learn on the fly
  • Passion for trading and building software
  • Methodical, thoughtful approach to problem solving
  • Strong instincts diagnosing problems in real time


What you’ll do

  • Learn directly from the person who built much of the exchange
  • Expand what users can trade and improve how markets behave
  • Build infrastructure for new market types like esports, futures, and props
  • Improve live betting systems and real time market behavior
  • Work on market creation, start times, suspensions, and life cycle rules.
  • Take ownership over your work, including monitoring, deployment, debugging, and paths for future improvements



Your work will directly impact the product, users, and trading volume right away


Starting compensation: $90K–$140K, depending on experience.

Salary : $3

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