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Backend Engineer (Affiliated Trading)

Kalshi is building the next generation of prediction markets — a fast-growing financial market that lets people trade on real-world event outcomes. We are hiring backend engineers for Kalshi Trading, an affiliated trading entity, to build and maintain high-performance, event-driven infrastructure that powers trading operations across many market categories.

Skills

  • Backend engineering experience (3+ years)
  • Event-driven architecture and stream processing (Kafka)
  • Strong relational database skills (Postgres)
  • Concurrent and low-latency programming
  • APIs and service design
  • Familiarity with AWS (RDS, ECS)
  • Monitoring, deployment, and incident response
  • Domain familiarity with trading systems is a plus

Responsibilities

  • Design, build, and maintain backend services and APIs that support affiliated trading operations
  • Implement and operate high-performance, event-driven systems and stream processing pipelines
  • Work with relational databases (Postgres) to design schemas, optimize queries, and ensure data integrity
  • Write concurrent, low-latency code to handle trading workloads and order flows
  • Deploy and operate services on AWS (notably RDS and ECS) and integrate with Kafka or other streaming systems
  • Collaborate with trading, product, and engineering teams to define requirements and deliver reliable features
  • Participate in on-call rotations, troubleshooting production incidents, and driving postmortems
  • Help architect order management and trading-related components where applicable

Education

  • Bachelor's degree in Computer Science, Engineering, or equivalent experience preferred
  • Advanced degree (MS) is a plus but not required
  • Relevant professional experience can substitute for formal education

Benefits

  • Competitive salary range ($150k–$250k) plus equity
  • Comprehensive health, dental, and vision benefits
  • Flexible remote/in-office work options and generous PTO
  • 401(k) or retirement plan options
  • Parental leave and family-friendly policies
  • Opportunity to shape a greenfield product and high-impact role
To read the complete job description, please click on the ‘Apply’ button
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CEO of Kalshi
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Tarek Mansour
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$150000K
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Kalshi allows people to trade on event outcomes, from whether Brexit will happen this year to whether it will rain in NYC tomorrow. We are developing an asset class, “event contracts,” and a financial exchange for trading on the outcome of events...

2 jobs
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FUNDING
SENIORITY LEVEL REQUIREMENT
TEAM SIZE
SALARY RANGE
$150,000/yr - $250,000/yr
EMPLOYMENT TYPE
Full-time, hybrid
DATE POSTED
September 25, 2025
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