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Product Designer (NYC)

posted by: spj_bot

Product Designer (New Initiatives)

Location: New York (Office)
Compensation:
$120K - $180K

We are a core contributor to the first parallelized EVM Layer 1 blockchain, engineered to scale Web3 applications to the level of performance seen in traditional Web2 environments. Our team is composed of veterans from Google, Goldman Sachs, Robinhood, and Nvidia, all dedicated to onboarding the next billion users onto a high-performance digital ecosystem. Backed by $30M from top-tier investors like Jump Crypto, Multicoin Capital, and Coinbase Ventures, we are scaling rapidly and looking for a Product Designer to help bring early-stage ideas to life.

This role sits at the critical intersection of brand, product, and marketing. You will be the primary driver for defining the first visual expression of new initiatives—taking a concept from a "loose idea" to a polished, compelling reality. You’ll thrive here if you are comfortable with ambiguity and love the challenge of building "Version 1" of a project.

Key Responsibilities:

Job Skills

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Founding Engineer (DeFi)

posted by: spj_bot

Founding Engineer (Trading Infrastructure)

Location: New York, London (Office)

Compensation: Competitive

We are building the next generation of global trading infrastructure. Designed for sub-millisecond execution and institutional depth, our platform powers spot, perpetuals, and prediction markets on a unified liquidity engine. Built by a team of Wall Street veterans and crypto-native engineers, we are moving beyond the limitations of current exchanges to create a high-performance network that spans across asset classes with zero compromise.

As a Founding Engineer, you will be a core architect of our trading ecosystem. This is a high-leverage role where you will be trusted with substantial autonomy to make foundational design decisions. Working directly with the founders, you will bridge the gap between high-finance performance and decentralized innovation to deliver a best-in-class trading experience.

Key Responsibilities:

Job Skills

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Content & Social Media Lead

posted by: spj_bot

Content & Social Media Lead

Location: New York (Office)

On-site | Full-time

Compensation: $100K - $140K

We are hiring on behalf of our client, the leading accelerator for crypto founders, they have backed over 300 startups since 2020—including industry leaders like Rain, Synthetix, and Pendle—now collectively valued at over $10B. They are looking for a Content & Social Media Lead to take over their digital presence and content engine with one primary mission: driving high-quality applications from the next generation of visionary founders.

Reporting directly to the co-founder, you will be the voice of the organization. You won't just be "posting"; you’ll be turning raw material—founder wins, cohort data, and community memes—into a high-growth distribution machine. In this role, you will move fast, experiment often, and own the narrative. You are responsible for:

Key responsibilities:

Job Skills

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Staff Quantitative Engineer - Markets & Index Design

posted by: spj_bot

Staff Quantitative Engineer (Onchain Market Primitives)

Location: Remote - US remote preferred, open to Europe for strong candidates

Compensation: Competitive

About the Company We are building a foundational layer for perpetual markets centered on onchain economic activity. Instead of pricing speculative assets or narratives, our platform allows traders and autonomous agents to take directional exposure to the growth or decay of the onchain economy—including protocols, infrastructure, and capital flows. Our markets are deployed directly into the Hyperliquid ecosystem, with discovery and execution optimized through a dedicated application suite. This is early, foundational work at the intersection of quantitative finance, crypto market structure, and onchain data systems.

Role Overview We are seeking a Staff Quantitative Engineer to own the design and evolution of our core market primitives. This is not a research-only or support role; you will own markets end-to-end, from first-principles design and specification to post-launch iteration based on real trading behavior. As a technical lead and thought partner to the founders, you will set the standard for how we design indexes, oracles, and market integrity systems.

What You’ll Own

Job Skills

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Senior Rust Engineer

posted by: spj_bot

Senior Rust Engineer (Solana/DeFi)

Location: Remote (CET +/- 4 hours) Type: Full-time

Compensation: $72K - $90K

We are a stealth-stage DeFi Trading & Intelligence platform dedicated to the Solana ecosystem. We are building the critical infrastructure required for sophisticated on-chain decision-making—ranging from real-time signals and smart money tracking to enterprise-grade fraud detection. Our platform delivers high-fidelity on-chain analytics through a high-performance API. We are a small, fast-moving team tackling the most challenging problems in blockchain data. As a Senior Rust Engineer, you will play a pivotal role in architecting systems that process millions of Solana transactions in real-time.

This is an early-stage startup environment. We are looking for an engineer who thrives on high ownership, fast iteration cycles, and the opportunity to ship code that immediately impacts production environments. If you are passionate about building high-throughput infrastructure and solving "hard" data problems, we want to hear from you.

Responsibilities

Job Skills

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Quantitative Trading Analyst

posted by: spj_bot

Quantitative Trading Analyst (Risk Architecture)

Location: Porto, Portugal

Hybrid | Full-time

Compensation: $150K - $175K

Our client is a high-growth financial technology firm on a mission to democratize access to global markets. By leveraging blockchain technology, the organization is replacing traditional, opaque brokerage models with a transparent, permissionless trading stack. This infrastructure allows users with digital wallets to trade stocks, commodities, currencies, and digital assets with full transparency and verifiable, auditable code. Having secured over $27.9M in funding from premier venture capital firms—including General Catalyst, Jump, LocalGlobe, and Susquehanna (SIG)—the company is positioned at the forefront of the Decentralized Finance (DeFi) movement.

The organization is seeking a Quantitative Trading Analyst to architect and upgrade the risk management engine securing the protocol. This role serves as the critical bridge between Traditional Finance (TradFi) derivatives and DeFi market structures. The mandate involves rigorously quantifying protocol risk and designing systems that facilitate high-leverage trading of real-world assets while mathematically ensuring protocol solvency.

Key Responsibilities

Job Skills

numpy professional mathematical models risk management security policy stocks scipy microstructure solidity financial engineering integration adapt data querying high frequency trading automated market designing systems sql stochastic simulation optimize mathematical market maker transparency bridge high performance financial technology manager engine architecture m career development finance open interest mathematics statistics high frequency managed securely arbitrage digital asset blockchain risk systems global markets catalyst pandas asset class audit risk derivatives edge technology liquidation collaborative economics mechanism design infrastructure venture capital brokerage parameters value at risk applicable data solvency stress testing derivative e engine securing analyst risk track
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Full Stack Engineer

posted by: spj_bot

Senior Full Stack Engineer (Fintech & Rewards)

Location: Remote / Flexible (US & Global) Type: Full-time

Compensation: $150K - $190K

We are building the next generation of global payment infrastructure. Our mission is to make stablecoins and digital assets usable in the real world by powering card transactions, cross-border payments, B2B purchases, and remittances. We partner with leading fintechs, neobanks, and institutions to launch inclusive, borderless financial solutions. Backed by top-tier investors including Sapphire Ventures, Norwest, Galaxy Ventures, and Lightspeed, we are a lean, "mighty" team of veteran founders and passionate builders. We operate with an open, flat structure where every team member has the freedom to explore ideas and directly impact our product roadmap.

As a Senior Full Stack Engineer, you will be a core member of the team building our rewards and co-brand platform. You will maintain and expand third-party rewards programs—largely in conjunction with major league sports partners—and embed new payment solutions into these applications. We are looking for a candidate who wants to take true ownership of the tech stack governing our co-branded payment ecosystem.

Responsibilities

Job Skills

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Data Engineer

posted by: spj_bot

Senior Data Engineer (Monitoring & Parameter Systems)

Location: Porto, Portugal (Full-Time)

Category: Engineering / Data Science

Compensation: $140K - $300K

We are on a simple mission: to make it possible for anyone with a digital wallet to trade stocks, commodities, currencies, and crypto with full transparency. We are replacing the opaque, offshore brokerage model with a transparent, permissionless trading stack built entirely on-chain. Every trade, deposit, and withdrawal on our platform is verifiable through open, auditable code.

To date, we have raised $27.9M+ from top-tier investors including General Catalyst, Jump, Susquehanna (SIG), Alliance DAO, and Balaji Srinivasan.

We are seeking a Data Engineer (Monitoring & Parameter Systems) to architect and operate the analytics, observability, and parameter-proposal infrastructure that keeps our protocol safe and economically sound. You will serve as the critical bridge between protocol mechanics—such as fees, spreads, and liquidations—and production-grade data systems. Your mandate is to translate complex economic models into reliable pipelines and monitoring services that ensure the protocol remains healthy across all markets.

Responsibilities

Job Skills

professional incident response validation stocks security policy equity operate statistical models data research data engineer integration DAO accrual high frequency trading safety systems mechanics sql dashboards computer science time series parameter data quality validating transparency bridge translate tooling airflow experience design safe senior engineer library service data engineering python finance high frequency reproducible reliable parsing managed securely analytics workflows blockchain anomaly detection economic catalyst grafana market datum quality data science economic models collaborative data systems stakes infrastructure monitoring systems auditable code brokerage applicable data athena development support models dynamic researchers liquidations data pipelines transformation prometheus indexing
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Chief Financial Officer

posted by: spj_bot

Chief Financial Officer (CFO)

Location: Remote / Flexible Type: Full-time

Compensation:$250K - $300K

We are a high-growth software development powerhouse and a primary contributor to one of the largest, most high-velocity crypto social networks in the world. Our team consists of elite builders moving at the frontier of consumer scale, decentralized finance, and high-performance engineering. Our products reach millions of users and operate under the most demanding real-world constraints.

We are seeking a Chief Financial Officer (CFO) to take command of our financial engine. As a core member of the executive leadership team, you will manage massive liquidity, optimize high-volume revenue streams, and navigate the complex intersection of social media and decentralized finance. This is a role for a "crypto-native" leader who thrives in hyper-growth environments where speed is a competitive advantage.

Responsibilities

Job Skills

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Staff FE Engineer

posted by: spj_bot

Staff Frontend Engineer

Location: New York

On-site | Full-time

Compensation: Competitive

Our client is a high-performance technology development firm responsible for building and operating the foundational infrastructure behind the world’s most active digital asset launchpads. The systems managed by this organization are characterized by low latency, high throughput, and constant high-concurrency load. This is a mission-critical environment where technical precision is paramount; the frontend systems must remain resilient and performant under the weight of hundreds of thousands of active users.

The organization is seeking a Staff Frontend Engineer to own the design and evolution of large-scale frontend architecture. This is a hands-on, high-impact role focused on building fast, reliable, and maintainable user-facing systems. The successful candidate will join an elite team of builders where the pace is intense, expectations are high, and the impact of every deployment is immediate.

Key Responsibilities

Job Skills

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