Full-Time
Posted on 11/27/2025
Ad-free premium fantasy sports platform
$24.04/hr
Remote in USA
Remote
Hybrid remote/in-office schedule; may require weekend days.
Bachelor's
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Sleeper runs a fantasy sports platform that lets users manage fantasy football leagues and bracket pools through an engaging app. It focuses on social features like in-app chat, live game watching, and intuitive design so players can communicate, react, and enjoy games together. The product works by offering premium features such as advanced draft modes and customization, all without ads, and monetizes through these paid enhancements rather than advertising. Sleeper differentiates itself from competitors by prioritizing a premium, ad-free user experience and a tight, design- and product-focused team. This approach has led to high engagement and retention, with millions of users who stay active across seasons. The goal is to connect sports fans through a social and immersive fantasy experience, providing deeper interaction and enjoyment around games while keeping the platform enjoyable and ad-free.
Company Size
51-200
Company Stage
Series C
Total Funding
$67.3M
Headquarters
San Francisco, California
Founded
2014
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Health Insurance
Unlimited Paid Time Off
401(k) Retirement Plan
Andreessen Horowitz portfolio review: how a16z-backed startups exploit regulatory gaps and shape AI policy. August 24, 2026 · openai/gpt-oss-120b a16z's investment strategy prioritizes profit over Public safety. Takeaway: Andreessen Horowitz (a16z) backs startups that deliberately skirt or break existing regulations - ranging from synthetic influencer farms to gambling-as-a-service platforms - and simultaneously funds political efforts to keep AI regulation weak, creating a feedback loop that benefits the firm's bottom line at the expense of consumers. Deceptive influencer technology - Doublespeed. Conclusion: Doublespeed sells AI-generated fake accounts and phone farms that flood social media with deceptive ads, violating platform policies and FTC disclosure rules. * a16z's Speedrun program invested $1 million in October 2025. * The company runs thousands of real phones to create "synthetic influencers" that mimic human behavior before posting AI-generated content. * A 404 Media investigation found the firm targeting older users, who are statistically more vulnerable to AI-generated misinformation. * A December 2025 hack exposed 1,100+ phones and 400+ TikTok accounts promoting unlabelled medical supplement products, breaching TikTok's AI-content labeling policy and FTC influencer-disclosure requirements. * TikTok added labels to some accounts after being notified, but many remain unlabeled, allowing the deception to persist. "We run the only VC-backed bot farm in America. Because why let Russia and China have all the fun?" - Doublespeed promotional video Normalizing cheating - Cluely AI. Conclusion: Cluely AI's original mission to "cheat on everything" directly undermines ethical norms in education, hiring, and personal relationships, and the company has already rebranded to hide its origins. * a16z led a $15 million Series A in June 2025. * Founder Roy Lee publicly admitted using AI to cheat on 80 % of his college essays and built tools for real-time interview cheating. * The launch video demonstrated using the app to lie on blind dates; the video amassed 13 million X views. * By November 2025 the product was repositioned as an "AI meeting assistant," but the homepage still markets it as "undetectable." * a16z praised the approach as "rooted in deliberate strategy and intentionality." "If you say it enough, cheat begins to lose its meaning." - Roy Lee (quoted in comments) Gambling loopholes - Coverd, Edgar, Cheddr, Sleeper, Kalshi. Conclusion: a16z-backed gambling platforms exploit sweep-stakes and prediction-market loopholes to target financially vulnerable users, often operating in states where sports betting is illegal and allowing under-21 participation. * Coverd lets users bet on personal expenses (e.g., Uber rides) to "win back" money, marketed as a financial-savvy tool while encouraging debt-chasing behavior. * Edgar runs BettySweeps, a sweep-stakes casino that uses dual currencies to skirt gambling laws; it has been barred in 15 states. * Cheddr targets users under 21 with rapid-fire prop bets, mirroring TikTok's addictive format; California recently banned similar sweep-stakes platforms. * Sleeper operates daily-fantasy sports (DFS) that regulators deem illegal wagering; it faces class-action suits in California and Massachusetts. * Kalshi markets sports contracts as "trading futures" to avoid gambling regulation, yet operates in all 50 states, including those prohibiting sports betting, and allows 18-year-olds to wager. * Collectively, these platforms generate billions in betting volume while sidestepping consumer-protection safeguards such as deposit limits, self-exclusion tools, and age verification. AI companion risks - Character AI, Ex-Human, Civitai. Conclusion: a16z-funded AI companion services enable harmful interactions with minors, facilitate self-harm, and host deep-fake pornography, yet receive minimal regulatory scrutiny. * Character AI raised $150 million Series A (2023). A 14-year-old suicide case linked the teen's final chatbot message to encouragement of self-harm; the company's First-Amendment defense allowed the lawsuit to proceed. * Ex-Human (via Speedrun) operates Botify AI with over a million characters, including under-age celebrity bots that engage in sexually charged dialogue. Founder Artem Rodichev admitted moderation failures. * Civitai (seed round $5.1 million, 2023) hosts 35 000+ deep-fake models, 96 % depicting women; internal OctoML reports flagged child-pornography-type content, leading the cloud provider to terminate services. * FTC opened a formal inquiry (September 2025) into AI companion safety for children, but a16z continues to invest in the sector. Fintech failures - Synapse, Truemed, Tellus, LendUp, Zenefits, Health IQ, uBiome. Conclusion: a16z's fintech portfolio includes multiple bankruptcies, fraud allegations, and regulatory violations that left consumers with lost savings and exposed personal data. * Synapse (Series B $33 million, 2019) collapsed in April 2024, missing $65-96 million of customer funds; the Senate Banking Committee demanded investor accountability. * Truemed (Series A $34 million, Dec 2025) automates tax-advantaged health-spending letters, enabling luxury-item purchases (e.g., $3 100 Garmin watch) to be reimbursed, prompting criticism of tax-fraud facilitation. * Tellus markets high-yield "savings" accounts without FDIC insurance, using deposits for risky real-estate loans; multiple false partnership claims with JPMorgan and Wells Fargo led to FDIC warnings and data-leak exposures. * LendUp repeatedly violated CFPB rules, charged payday-style APRs, and was shut down in 2021 after billions in consumer harm. * Zenefits sold unlicensed health-insurance policies, resulting in multi-state fines totaling $8.75 million and SEC penalties near $1 million. * Health IQ filed for Chapter 7 bankruptcy in 2023 with $256 million in liabilities; lawsuits allege deceptive telemarketing and unpaid vendor commissions. * uBiome defrauded insurers with inflated clinical test billing, leading to FBI raids (2019) and founder indictments on 47 counts of fraud. Political influence - lobbying, super pacs, government appointments. Conclusion: a16z allocates tens of millions to shape AI policy, securing a regulatory environment that protects its portfolio's risky business models. * Launched a $100 million super PAC ("Leading The Future") in August 2025, targeting candidates supportive of AI regulation. * Backed the American Innovators Network, a lobbying coalition opposing state AI laws. * Former a16z partners hold key government roles: David Sacks (White House AI & crypto czar), Sriram Krishnan (Senior AI Advisor), Scott Kupor (OPM), Jamie Sullivan (Gov't Efficiency). * a16z helped fund a December 2025 executive order that sought to preempt state AI regulations, a direct win for the firm's agenda. * The firm's ideological stance, outlined in Marc Andreessen's Techno-Optimist Manifesto (Oct 2023), frames regulation as "totalitarianism" and claims slowing AI development is "a form of murder." * Public opinion starkly opposes this view: 58 % of Americans think AI regulation is insufficient, yet only 21 % believe it goes too far. Community reaction on hacker news. * Commenters highlighted the moral paradox of profiting from "cheating" and "deception" while positioning themselves as innovators. * Several users noted the broader pattern of VC-backed firms exploiting regulatory gaps (e.g., Airbnb, Uber) but argued a16z's portfolio is uniquely harmful. * Skepticism was expressed about the legality of many of these businesses, especially deep-fake platforms and tax-avoidance fintech. * A few defended a16z as simply funding consumer-demand products, while others labeled the firm's actions as "evil" or "bond-villain-like." Why this matters. Andreessen Horowitz is not merely a passive capital provider; it actively engineers a regulatory landscape that shields high-risk, low-ethics startups from oversight. The firm's dual strategy - investing in products that profit from deception, gambling loopholes, unsafe AI, and fintech fragility while lobbying to keep AI rules lax - creates a systemic risk where the rules governing emerging technologies are written by entities that benefit from regulatory ambiguity. As AI systems become more autonomous and pervasive, the societal harms amplified by these unchecked business models could become irreversible. Bottom line: a16z's billions-dollar portfolio demonstrates a consistent pattern of backing companies that exploit legal gray areas, endanger consumers, and rely on political influence to preserve a permissive regulatory environment. This convergence of profit motive and policy-shaping power raises urgent questions about accountability, consumer protection, and the future of AI governance.
Kalshi, the world's largest prediction market, has partnered with sports app Sleeper to integrate prediction markets directly into its platform. Sleeper's 10 million users can now trade prediction markets on sports, with additional real-world event markets launching soon. The integration continues Kalshi's distribution strategy of powering prediction markets across platforms including Robinhood, Coinbase and PrizePicks. Annualised volume on Kalshi has crossed $115 billion, with Sunday's pro football championship market alone projected to exceed $800 million in trading volume. For Sleeper, the partnership expands user engagement beyond its fantasy leagues and daily fantasy sports offerings. The integration arrives ahead of the Super Bowl, allowing fans to participate in prediction markets where they already gather around sports.