Software Engineer, Trading Platform jobs in United States
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Kalshi · 5 months ago

Software Engineer, Trading Platform

positionNew York, New York, United States
timeFull-time
remoteOnsite
seniorityMid Level
money$100K/yr - $250K/yr
date4+ years exp

Kalshi is a fast-growing company that has pioneered prediction markets, allowing individuals to trade on the outcomes of various events. They are seeking a Software Engineer for their Trading Platform to develop high-performance data feeds, trading APIs, and order matching algorithms, while also leading integrations with external market makers and optimizing system performance.

FinanceFinancial ExchangesFinancial ServicesFinTechInternetPrediction MarketsPredictive Analytics
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Growth Opportunities
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H1B Sponsor Likelynote

Responsibilities

Order matching and trade execution algorithms and data structures
High-performance data feeds and trading APIs for clients
High guarantee and availability clearing systems, including margining, collateral management, and banking integrations
Lead integrations with external market makers, brokers, and hedge funds
Stress test large-scale critical systems to ensure their robustness and maintainability
Optimize database access patterns and internal algorithms to improve the performance of our different services
Design new market structures (e.g., non-binary markets, scalars, futures, etc.)
Be close to the customer (define features, ship products, iterate)! Even the backend can choose to be close to customers depending on the project
Ship fast and with high quality
Make decisions: we give a lot of flexibility, which also means no spoon-feeding

Qualification

Software engineering experienceRelational databasesConcurrent systemsFinancial systems experienceLarge-scale systemsTask prioritizationCustomer interactionGrowth mindset

Required

4+ years of software engineering experience
Experience planning and leading large projects with long-term impact on a single system or team
Strong technical grasp and ability to tackle complex engineering problems that deliver results
Solid understanding of relational databases and transactions
Familiar with writing highly concurrent systems
History of creating and applying new processes and tooling to increase engineering efficiency
Excellent judgment on task prioritizations
Growth mindset, with a high slope and eagerness to lean
Love of the craft: you genuinely care and put your all into your work
Can ship at incredible speed (very simple)

Preferred

Experience building financial systems, FIX API, clearing infrastructure, broker connectivity, etc
Proven experience building large-scale systems
Like to interact directly with customers

Benefits

Equity
Benefits

Company

Kalshi

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Kalshi is a regulated prediction market where users trade event-based contracts tied to real-world outcomes.
dateFounded in 2018
location
New York, New York, USA
people-size51-200 employees
web-link
https://kalshi.com

H1B Sponsorship

Kalshi has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2023 (1)
2022 (1)

Funding

Current Stage
Late Stage
Total Funding
$1.65B
Key Investors
ParadigmSequoia CapitalY Combinator
2025-11-20Series E· $1B
2025-10-10Series D· $300M
2025-09-02Secondary Market· $2M

Leadership Team

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Tarek Mansour
Co-founder and CEO
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J
John Wang
Head of Crypto
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Recent News

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2026-01-11
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2026-01-11
Cointelegraph
Tennessee sends cease-and-desist letters to Kalshi, Polymarket, Crypto.com
2026-01-11
Company data provided by crunchbase