
Finance • Fintech
Kalshi is an online platform that allows users to trade directly on the outcome of events. As a financial exchange, Kalshi enables individuals to trade on events such as political elections, weather predictions, and economic indicators. The platform offers a unique way for individuals to hedge risks or speculate on future events, following regulations to ensure a safe and legal trading environment.
51 - 200 employees
Founded 2020
💸 Finance
💳 Fintech
💰 $30M Series A on 2021-02
September 24
🗽 New York – Remote
💵 $150k - $250k / year
⏰ Full Time
🟡 Mid-level
🟠 Senior
🔙 Backend Engineer
🦅 H1B Visa Sponsor

Finance • Fintech
Kalshi is an online platform that allows users to trade directly on the outcome of events. As a financial exchange, Kalshi enables individuals to trade on events such as political elections, weather predictions, and economic indicators. The platform offers a unique way for individuals to hedge risks or speculate on future events, following regulations to ensure a safe and legal trading environment.
51 - 200 employees
Founded 2020
💸 Finance
💳 Fintech
💰 $30M Series A on 2021-02
• Build and maintain the infrastructure underlying Kalshi Trading's trading operations • Develop robust, high-performance event-driven systems and APIs • Work with relational databases (Postgres) and write concurrent code • Operate and integrate with AWS services (RDS, ECS) and stream processing (Kafka) • Potentially design or improve order management and trading systems • Shape and influence the role and the direction of Kalshi Trading's engineering efforts • Collaborate within a small team on greenfield projects and take ownership of deliverables
• At least 3 years of professional experience as a backend engineer • Experience building robust high performance event-driven systems and APIs • Very comfortable with relational databases (e.g. Postgres) • Experience writing concurrent code • Familiarity with the AWS stack (especially RDS and ECS) • Familiarity with stream processing (Kafka) • Experience directly building trading systems including order management (preferred) • Proficiency in Golang (preferred) • Familiarity with frontend development (preferred) • Familiarity with machine learning, neural networks, or generative AI including LLMs (preferred) • Experience trading on Kalshi or other prediction markets (preferred)
• Equity • Benefits
Apply NowSeptember 24
Build backend-focused features for B12's platform coordinating expert and machine teams; collaborate across full stack, mentor peers, and engage users.
🇺🇸 United States – Remote
💰 $15.7M Venture Round on 2021-10
⏰ Full Time
🟡 Mid-level
🟠 Senior
🔙 Backend Engineer
🦅 H1B Visa Sponsor
September 24
Fullstack Laravel/React Developer building EdTech products that empower learners worldwide. Develop Laravel backends, React UIs, APIs, and mentor junior developers.
September 24
Senior C++ backend engineer for FreeWheel's video advertising platform. Design, implement and support high-scale distributed systems handling billions of daily requests.
🇺🇸 United States – Remote
💵 $126.8k - $190.2k / year
⏰ Full Time
🟠 Senior
🔙 Backend Engineer
🦅 H1B Visa Sponsor
September 24
Backend C++ Engineer building FreeWheel's video advertising platform. Design and support high-throughput distributed systems for TV advertising monetization.
🇺🇸 United States – Remote
💵 $107.4k - $161.2k / year
⏰ Full Time
🟢 Junior
🟡 Mid-level
🔙 Backend Engineer
🦅 H1B Visa Sponsor
September 24
Lead C++ backend engineer building FreeWheel's video advertising platform. Own feature lifecycle, design distributed systems, mentor engineers.
🇺🇸 United States – Remote
💵 $149.6k - $224.4k / year
⏰ Full Time
🟠 Senior
🔙 Backend Engineer
🦅 H1B Visa Sponsor