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

Quantitative Trading Analyst (Risk Architecture)

Location: New York, NY (Full-Time)

Category: Finance / Quantitative Trading

Compensation: $140K - $300K

We are on a mission to democratize access to global markets by enabling anyone with a digital wallet to trade stocks, commodities, currencies, and crypto with total transparency. We are replacing the traditional, opaque brokerage model with a permissionless, on-chain trading stack where every transaction is verifiable via open-source code. Backed by $27.9M+ in funding from premier investors including General Catalyst, Jump, Susquehanna (SIG), and Alliance DAO, we are scaling an elite team to build the future of On-Chain Real World Assets (RWA).

We are seeking a Quantitative Trading Analyst to architect and upgrade the risk management engine securing our protocol. In this role, you will bridge the gap between Traditional Finance (TradFi) derivatives and DeFi market structures. Your mandate is to quantify protocol risk rigorously, designing systems that support high-leverage trading while mathematically ensuring absolute protocol solvency.

Responsibilities

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

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

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

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

Solana Program Engineer

Location: New York (Office)

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 defined by ultra-low latency, high throughput, and constant high-concurrency load. This is a mission-critical environment where technical precision is paramount; these systems operate under extreme real-world pressure where the margin for error is non-existent.

The organization is seeking a Staff Solana Program Engineer to design, build, and maintain on-chain programs that operate under heavy transaction volume. This is a hands-on role requiring absolute technical ownership and a deep understanding of blockchain performance. 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

Reinforcement Learning (RL) Engineer

Location: New York (Office)

On-site | Full-time

Compensation: Competitive

Our client is an elite development firm and a high-growth software company responsible for building the infrastructure behind the world’s largest crypto social networks and digital asset launchpads. Operating at the frontier of decentralized finance, the organization is composed of a mission-driven group of builders who prioritize speed, technical excellence, and talent density.

The organization is seeking a Reinforcement Learning (RL) Engineer to take end-to-end ownership of an RL-driven trading agent. This individual will manage real capital to increase trading volume and user participation within a high-velocity memecoin ecosystem. This is a high-stakes role designed for a "single-owner" expert who can bridge the gap between sophisticated modeling and live financial production. The successful candidate will transition existing heuristic-based systems toward learning-based approaches while enforcing rigorous risk parameters in a 24/7 global market.

Key Responsibilities

Head of Marketing

Craft the Story of How Ethereum Wins Institutional Adoption

Location: NYC based candidates are the preference but they're open to US remote for exceptional candidates.

Compensation: $200K - $300K

We are building the critical infrastructure required to bring the "real world" to Ethereum. Our mission is to provide the rails for Wall Street to operate on-chain, moving the global financial system into the 21st century.

We are seeking a visionary Head of Marketing to own our narrative and bridge the gap between two distinct worlds: the high-stakes environment of institutional finance and the frontier of Web3. Reporting directly to the CEO, you will be responsible for the brand’s evolution as we prepare to reveal a series of groundbreaking products in 2026. This is a role for a storyteller who understands that for us to win, Ethereum must win—and you will be the one articulating that victory to the world.

Requirements

We need a proactive, autonomous operator who can navigate complex technical landscapes and high-level executive boardrooms with equal ease.

Embedded Systems Engineer (Backend & Firmware)

Compensation: $180K - $300K

Location: North America preferred (Would consider South America if can work EST working hours)

We are a lean, high-velocity technical team building the infrastructure that powers the world’s most sophisticated AI models. Our core mission is to democratize access to high-quality public web data at a global scale. We support and power Grass, a massive distributed bandwidth-sharing network and crawler, while simultaneously managing pipelines that process billions of videos, transcripts, and audio files for frontier AI labs.

As an Embedded Systems Engineer, you will be a pivotal member of a small, elite team. This isn't just a firmware role; it’s a hybrid challenge where low-level systems meet high-scale backend architecture. You will lead the effort to architect scalable solutions, optimize networked device firmware, and drive technical excellence to ensure our distributed network remains the backbone of the open web data movement.

Requirements

We are looking for a builder who thrives in a "no red tape" environment and possesses a deep understanding of how software interacts with hardware and networks.