Full-Time

Software Engineer

Mission Control

Polymarket

Polymarket

201-500 employees

Decentralized prediction market with crypto trading

No salary listed

New York, NY, USA

In Person

Category
Software Engineering
Required Skills
JavaScript
React.js
Node.js
TypeScript
Blockchain
Next.js
HTML/CSS
Requirements
  • 4-5+ years of professional software development experience
  • Solid experience building full-stack web applications
  • Strong skills in TypeScript, JavaScript (ES6+), and CSS
  • Experience with React and Node.js (Next.js is a bonus)
  • Strong customer empathy: you're good at understanding what different teams actually need, not just what they ask for
  • A bias for action: you're comfortable shipping quickly and iterating based on real feedback
  • Comfort with ambiguity and context-switching: you can manage multiple systems and stakeholders without losing momentum
  • Great communication and collaboration skills: you enjoy working across teams to solve real problems
  • A passion for blockchain, decentralized finance, and freedom of speech
  • Bachelor's degree in Computer Science or equivalent
Responsibilities
  • Own and expand Mission Control. Build and evolve the systems used to run Polymarket – the engine that drives Polymarket's markets, content, and growth.
  • Build markets automation. Design and implement pipelines that streamline how new markets are researched, structured, deployed, and managed at scale.
  • Ship deployments end-to-end. Take features and improvements from concept to production, with real impact on how the business operates every day.
  • Work across a broad set of systems. Mission Control represents the broad range of operational systems (APIs, dashboards, workflows) that support teams across the company and tie directly into the core product.
  • Work across the stack. Touch both frontend and backend code, using modern frameworks to solve practical problems quickly and cleanly.
  • Partner with operations teams. Work closely with the people using these systems daily: understand their workflows, gather feedback, and iterate fast.
  • Write clean, maintainable code. Build systems that scale as Polymarket grows, and help keep our codebase high quality through code reviews and engineering best practices
Desired Qualifications
  • Experience in an embedded or field engineering role, working directly alongside product or operations teams
  • Experience with workflow automation or deployment pipelines
  • Background in fintech, crypto, or data-heavy applications
  • Bachelor's degree in Computer Science or equivalent

Polymarket operates a decentralized prediction market where users trade crypto against outcomes of real-world events, from elections to sports. Bets are placed by buying and selling shares tied to event results; outcomes are resolved by decentralized oracles and rewards are paid in cryptocurrency. The platform blends a familiar trading interface with blockchain-based transparency and immutability, and it now operates in the U.S. through the acquisition of QCX, a CFTC-licensed exchange. Its goal is to offer hedging and speculative opportunities on real-world events while combining crowd-sourced forecasting with regulated crypto trading in the United States.

Company Size

201-500

Company Stage

Growth Equity (Venture Capital)

Total Funding

$2.9B

Headquarters

New York City, New York

Founded

2018

Your Connections

People at Polymarket who can refer or advise you

Simplify Jobs

Simplify's Take

What believers are saying

  • U.S. relaunch can unlock larger regulated demand and liquidity.
  • Partnerships with LIGA MX, BC.GAME, and KuCoin expand distribution.
  • A native token and airdrop can strengthen retention and trading activity.

What critics are saying

  • CFTC or SEC action can restrict event contracts and derail U.S. growth.
  • Insider-trading scandals can damage trust and trigger tighter oversight.
  • Competition from Kalshi and sportsbooks can compress volumes and fees.

What makes Polymarket unique

  • Blockchain settlement gives Polymarket transparent, immutable event pricing.
  • QCX acquisition and CFTC approval support regulated U.S. re-entry.
  • Entertainment, sports, and crypto markets broaden beyond pure politics.

Help us improve and share your feedback! Did you find this helpful?

Benefits

Health Insurance

Dental Insurance

Vision Insurance

Unlimited Paid Time Off

401(k) Company Match

Growth & Insights and Company News

Headcount

6 month growth

-7%

1 year growth

-3%

2 year growth

-16%
CoinPress
Jun 19th, 2026
Kentucky targets Kalshi and Polymarket in illegal sportsbook lawsuits.

Kentucky targets Kalshi and Polymarket in illegal sportsbook lawsuits. Last updated: June 19, 2026 5:47 am 1 hour ago Kentucky Attorney General Russell Coleman has launched civil enforcement lawsuits against Kalshi, Polymarket and VGW, accusing the companies of operating illegal betting or gambling platforms in the state without proper licensing. The Kalshi and Polymarket suits focus on sports event contracts. Kentucky alleges the platforms allow users to place wagers on game winners, point spreads, player statistics and other sports outcomes while doing business in the state without a Kentucky gaming license or the consumer protections required under state law. The lawsuits were filed in Franklin Circuit Court on June 17. Kentucky's claims include alleged violations of consumer-protection laws, the state's loss recovery act and newer rules aimed at prediction-market activity. VGW, which operates social casino brands including Chumba Casino, Global Poker and LuckyLand Slots, was sued in a separate gambling case. Sports contracts sit at the center of the fight. The legal fight is another test of whether sports event contracts should be treated as federally regulated derivatives or state-regulated sports betting. Kalshi has long argued that its event contracts fall under Commodity Futures Trading Commission oversight, while states including Kentucky are trying to apply local gambling, sports-wagering and consumer-protection rules. Kentucky's complaint puts the sports side of prediction markets under direct pressure. The state is not only objecting to political, economic or entertainment markets. Its case targets contracts tied to sports outcomes, where the overlap with regulated sportsbooks is easiest for state officials to argue. The timing adds tension because Kentucky is already fighting the industry over money. A coalition including Kalshi, Crypto.com and Polymarket recently challenged Kentucky's 14.25% excise tax on prediction-market fees, arguing the levy is discriminatory and preempted by federal law. Kentucky is now fighting on two fronts: taxing prediction-market operators that serve state users, and suing platforms it says are offering unlicensed sports betting. State crackdown keeps spreading. Kentucky is not acting alone. State pressure on prediction markets has widened across the U.S. and Europe as regulators question whether platforms are using derivatives law to route around gaming licenses, tax rules and responsible-gambling controls. Wisconsin already moved against Kalshi and Polymarket in a sweeping prediction-market crackdown, while gaming industry groups pushed lawmakers to ban sports prediction markets in the CLARITY Act. The pressure has also moved into Congress, where a House Oversight probe into Kalshi and Polymarket raised questions about safeguards for users with access to non-public government information. Those cases are not identical, but they point to the same regulatory split. Prediction-market operators want a national framework built around event contracts. States and gaming groups want to preserve control over sports betting, gambling licenses, age limits, problem-gambling rules and tax revenue. Kentucky raises the stakes for U.S. Prediction markets. Kentucky's lawsuits arrive as prediction markets try to move from niche forecasting platforms into mainstream trading apps. Sports contracts have helped fuel that growth because they are simple, frequent and easy for users to understand. They also make the platforms look more like sportsbooks to state regulators. Kalshi's federal-regulation argument may still shape the case, especially where CFTC jurisdiction overlaps with state gaming law. Polymarket faces a different but related challenge because its crypto-native structure and U.S. expansion plans keep drawing scrutiny from both gambling regulators and market regulators. The Kentucky lawsuits sharpen the industry's core legal fight: whether sports event contracts can keep scaling under federal derivatives rules, or whether states can force them into the same licensing box as sportsbooks.

Ajoobz
Jun 18th, 2026
Kentucky sues Kalshi, Polymarket, joining prediction market legal battle.

Kentucky sues Kalshi, Polymarket, joining prediction market legal battle. June 17, 2026 - By Cointelegraph - Original - Updated Kentucky has sued Kalshi and Polymarket over illegal sports betting, joining a wave of legal actions against prediction markets across the U.S. Confidence: 70% Horizon: medium-term Key numbers. * 25 billion * 17 * 14.25 Market drivers (micro). * Increased regulatory scrutiny on prediction markets. * Growing legal challenges from multiple states. * High trading volumes indicating strong market interest. Context (macro). * Ongoing national debate over the regulation of prediction markets. * Federal vs. state authority in regulating gambling and betting. Who wins / who loses. * Winners: Legal firms specializing in gambling and regulatory law. * Losers: Prediction market platforms facing operational restrictions. Scenarios. Base Kalshi and Polymarket may face increased restrictions if states succeed in their lawsuits. Alt Prediction markets could gain a favorable ruling that reinforces their federal regulatory framework. What to watch next. * Outcomes of ongoing lawsuits in other states. * Potential regulatory changes from the CFTC. * Responses from other prediction market platforms. Full analysis. Kentucky sues Kalshi and Polymarket in prediction market legal battle. Kentucky has taken a significant step in the ongoing legal battles surrounding prediction markets by filing lawsuits against Kalshi and Polymarket. The state alleges that these platforms, along with their partners Coinbase, Robinhood, and Webull, are operating illegal sports betting and gambling services within Kentucky. Background of the lawsuit. The lawsuits were filed in state court by Kentucky Attorney General Russell Coleman, who emphasized that these platforms are not licensed to conduct business in the state. Coleman stated, "These multi-billion dollar corporations and their legal fictions don't pass the sniff test." This legal action is part of a larger trend, with at least 17 other states also pursuing legal action against prediction market operators over similar concerns regarding sports event contracts. The legal landscape. Kalshi and Polymarket, which together recorded a staggering $25 billion in monthly trading volume in May, are now facing significant legal challenges. The core of the dispute revolves around whether their event contracts are classified as sports betting, which would require state-level licenses, or as swaps, which fall under federal commodities law. The Commodity Futures Trading Commission (CFTC) has sided with the prediction markets, arguing that their contracts should be regulated federally. Implications for the industry. The outcome of these lawsuits could have far-reaching implications for the prediction market industry. If Kentucky and other states succeed in their legal actions, it could restrict access to some of the largest markets in the U.S. On the other hand, if Kalshi and Polymarket prevail, it may solidify their position and regulatory framework for operating in multiple states. Responses from the platforms. In response to the lawsuits, representatives from both Kalshi and Polymarket expressed confidence in their legal standing. A Polymarket spokesperson stated that Kentucky's actions contradict the CFTC's established framework for regulating prediction markets. Similarly, Kalshi's spokesperson emphasized that they are a federally regulated exchange and that the CFTC is their primary regulator, not the states. Conclusion. As the legal battles continue, the future of prediction markets remains uncertain. The involvement of multiple states and the CFTC indicates that this issue will likely escalate, drawing more attention from lawmakers and regulators. Stakeholders in the prediction market space should closely monitor these developments as they unfold.

UMG Gaming
May 25th, 2026
Kalshi fires back at Rhode Island lawsuit while targeting "Kalshi Lies" campaign.

Kalshi fires back at Rhode Island lawsuit while targeting "Kalshi Lies" campaign. Kalshi's legal fight expanded again after Rhode Island accused the company of offering unlicensed sports betting products. Prediction market operator Kalshi has escalated its legal fight with state regulators after filing suit against Rhode Island officials and sending a cease-and-desist letter to a group behind an anti-Kalshi advertising campaign. The company filed a federal complaint against Rhode Island authorities after state officials signaled potential enforcement action tied to Kalshi's sports event contracts. Hours later, Rhode Island Attorney General Peter Neronha responded with a separate lawsuit accusing both Kalshi and Polymarket of operating unlicensed sports betting products through prediction markets. The dispute adds another chapter to Kalshi's growing legal battle across multiple US states, where regulators continue challenging the company's argument that its sports markets fall under federal commodities law rather than state gambling oversight. Rhode Island becomes the latest battleground. According to Kalshi's filing, Rhode Island officials allegedly refused to assure the company that enforcement action was not imminent during a meeting earlier this week. Kalshi argued that the threat alone justified federal intervention, claiming its event contracts are regulated by the Commodity Futures Trading Commission rather than state gaming agencies. The state's lawsuit argues that Kalshi and Polymarket are effectively offering sports betting products without obtaining local licenses or complying with gambling regulations. The complaint specifically targets sports-related event contracts, which allow users to trade on game outcomes and player performances in a format regulators increasingly compare to traditional sportsbooks. That argument has surfaced repeatedly over the last several months. Regulators in Nevada, Massachusetts, Connecticut, Washington, Wisconsin and other states have either filed lawsuits, issued cease-and-desist orders or secured temporary restrictions against Kalshi's operations. Courts have delivered mixed rulings so far, leaving the broader legal question unresolved. Sports contracts have also become central to Kalshi's business. Reporting from earlier this month estimated that roughly 90% of activity on the platform now comes from sports-related markets, including esports events. "Kalshi Lies" campaign draws legal response. Alongside the Rhode Island filing, Kalshi also issued a cease-and-desist letter to FairPredicts, the group behind a recent advertising push using the slogan "Kalshi Lies." The campaign accuses Kalshi of misleading users about how its markets function, alleging the platform operates more like a sportsbook while relying heavily on internal market-making activity through Kalshi Trading and institutional participants. FairPredicts has not publicly disclosed its funding sources. Kalshi has denied the accusations and is now attempting to halt the campaign through legal pressure, arguing the advertisements contain false and misleading claims about the company's operations. The timing is notable given Kalshi's recent efforts to position itself closer to responsible gambling and consumer protection discussions despite continuing to reject the "gambling" label attached to its products. Just days before the Rhode Island dispute, Kalshi announced a $2 million partnership with the National Council on Problem Gambling, becoming the first member of the organization's newly created "Financial Services & Trading" category. The move drew immediate scrutiny across the gambling industry because Kalshi has consistently argued its platform is a federally regulated financial exchange rather than a sportsbook. Critics questioned why a company rejecting gambling classifications would simultaneously partner with one of the largest responsible gambling organizations in the US. Kalshi maintains the initiative is focused on "trader health and safety," not gambling addiction, though the distinction is becoming harder to separate as more states challenge the company's sports markets in court. Stay tuned to UMG Gaming for more updates on prediction markets, tribal gaming, and the evolving U.S. gaming landscape. 25 May 2026

BestOdds
May 19th, 2026
Prediction markets could transform World Cup fan engagement.

Prediction markets could transform World Cup fan engagement. Updated: May 19, 2026 Fact Checker The rise of prediction markets is becoming one of the biggest emerging trends surrounding the 2026 FIFA World Cup, with platforms such as Kalshi and Polymarket already seeing growing trading activity tied to tournament outcomes well before kickoff. As the World Cup approaches, analysts expect prediction markets to significantly increase fan engagement by offering an alternative to traditional sports betting. Rather than placing fixed wagers against sportsbooks, users on these platforms buy and sell event contracts whose values fluctuate based on market sentiment and real-world developments. The expanding influence of prediction markets received another major boost after FIFA announced a partnership involving prediction market technology tied to the upcoming tournament. FIFA recently announced the organization's first-ever prediction markets partner, ADI Predictstreet, ahead of the 2026 World Cup, signaling increasing acceptance of event-contract style trading around global sporting events. Industry observers believe prediction markets could attract a broader audience during the World Cup because they function more like financial exchanges than traditional sportsbooks. Traders can buy contracts early, sell positions later, and react to injuries, roster news, or tournament results in real time. Kalshi and Polymarket expand World Cup event contracts. Both Kalshi and Polymarket have already launched active markets related to the 2026 FIFA World Cup. Current offerings include contracts on which nation will win the tournament, whether certain teams will advance to later rounds, and projections involving top scorers and championship matchups. On Kalshi, Brazil, France, Argentina, Spain, and England currently rank among the leading favorites in World Cup winner markets based on implied probability trading. Polymarket has shown similar trends, with heavy trading volume centered around Europe and South America's traditional soccer powers. The ability to trade positions throughout the tournament could create significantly more engagement than traditional futures betting, particularly during the knockout stages when momentum and public sentiment shift rapidly. Prediction market activity surrounding sports has surged over the past year, particularly during major events such as the Super Bowl, March Madness, and the NBA Finals. World Cup markets are expected to become some of the largest sports-event trading contracts ever offered because of the tournament's global audience. Key dates and locations for the 2026 FIFA World Cup. The 2026 FIFA World Cup will be the largest tournament in event history, expanding to 48 teams and taking place across three countries. Key World Cup information. * Opening Match: June 11, 2026 * Final: July 19, 2026 * Host Countries: United States, Canada, Mexico * Total Host Cities: 16 * Final Venue: MetLife Stadium Major host cities include New York City, Los Angeles, Dallas, Miami, Mexico City, Toronto, and Vancouver. The tournament is expected to break attendance, television, streaming, and betting records due to its expanded format and North American location. Prediction markets could change fan experience. Supporters of prediction markets argue that event-contract trading creates deeper engagement because users are constantly reacting to tournament developments instead of simply waiting for a bet to settle. Traders can build positions before the tournament, hedge during group play, or cash out during knockout rounds. Critics, however, continue debating whether prediction markets should be regulated similarly to sportsbooks. Legal questions surrounding sports-event contracts remain active in several jurisdictions, particularly as trading volumes continue rising. Still, many analysts believe the World Cup could become a defining moment for prediction markets in sports. FIFA's willingness to embrace the space through partnerships and growing fan interest suggests event-contract trading may become an increasingly important part of the global sports landscape moving forward. Bekah Wright is a journalist whose career has been filled with unique experiences, from fly-fishing and hot-air ballooning to herding sheep. After recently relocating from Los Angeles to Connecticut, she's added baby goat cuddling to her list of adventures. Whether she's exploring new places or working at her desk, Bekah has contributed her writing to a range of publications, including National Geographic Kids, Bon Appétit, TV Guide, the Los Angeles Times, and Los Angeles Magazine. Share page

Ajoobz
Apr 30th, 2026
Hyperliquid jumps into the betting boom with new 'Outcome Tokens' for real-world events.

Hyperliquid jumps into the betting boom with new 'Outcome Tokens' for real-world events. April 29, 2026 - By NewsBTC - Original Hyperliquid is launching 'Outcome Tokens' for prediction markets, aiming to compete with Polymarket and Kalshi, while enhancing its decentralized exchange offerings. Confidence: 80% Horizon: medium-term Key numbers. * 110% year-to-date increase in 'hype' token * 33% decline from all-time highs * 3.5% inflation threshold for prediction market Market drivers (micro). * Introduction of non-leveraged prediction contracts * Integration with existing trading systems * Strong performance of 'hype' token Context (macro). * Growing interest in decentralized finance and prediction markets * Increased competition among decentralized exchanges Who wins / who loses. * Traders benefit from reduced liquidation risks * Existing prediction market platforms may face increased competition Scenarios. Base Hyperliquid successfully launches its prediction market, attracting a significant user base and enhancing its market position. Alt The prediction market fails to gain traction, leading to a decline in user engagement and token value. What to watch next. * Launch date for hip-4 * User adoption rates of Outcome Tokens * Market reactions to Hyperliquid's new offerings Full analysis. Hyperliquid, a rapidly growing decentralized exchange, is making strides into the prediction market sector with its innovative proposal for 'Outcome Tokens' aimed at real-world events. This strategic move positions Hyperliquid to compete with established platforms like Polymarket and Kalshi. What is hip-4? The new system upgrade, referred to as hip-4, is currently in public testing. Unlike Hyperliquid's traditional focus on perpetual futures, hip-4 will center on simpler prediction-style contracts. For instance, a market could be created to determine if U.S. inflation in July exceeds 3.5%. This would generate two tokens, each representing a possible outcome, allowing traders to buy or sell accordingly. Advantages of prediction markets. One of the key distinctions of Hyperliquid's proposed prediction contracts is that they will not rely on leverage, which is common in traditional crypto trading. This could significantly lower the risk of liquidation events that often disrupt leveraged positions. Sunny Shi, an investor at Syncracy Capital, believes this design could change how sophisticated traders approach these bets, allowing them to leverage portfolio margin effectively. Integration with existing systems. Hyperliquid's prediction markets will be integrated into its existing trading system, enabling a seamless experience for users who are already active in crypto and commodities trading. This integration could facilitate a broader distribution of the new product without the need for building a new audience. Market performance. The native token 'hype' has been one of the top-performing assets, despite a recent retracement. It remains up approximately 110% year-to-date, although it has seen a decline of about 33% from its all-time highs. Analysts suggest that Hyperliquid is breaking out of a rising wedge on its daily chart, indicating potential future price movements. Conclusion. As Hyperliquid continues to innovate and expand its offerings, the crypto community will be watching closely to see how these new prediction markets perform and what impact they will have on the broader market landscape.