Senior Staff Backend Engineer

Location: Manhattan, New York

Onsite | Full-time

We are hiring on behalf of our client who is the development powerhouse behind one of the largest and most high-traffic platforms in the digital asset space. Currently processing ~$1B in daily volume, their technology stack handles low-latency, high-throughput, and constant load at a scale few companies ever reach.

The Role

In this role, you will act as a technical anchor, overseeing the integrity and evolution of their core backend systems. You will balance high-level architectural governance with deep-tier execution, driving technical excellence from the front. Your primary focus will be the proactive mitigation of scaling risks and the design of durable, fault-tolerant systems capable of sustaining high-throughput workloads.

What You’ll Do:

Blockchain Indexing Specialist

Location: Can do at least 4 hours overlap between 10am-6pm Brazilian time - Cannot hire in Germany or France

Remote | Full-time

Compensation: Competitive

Our client operates a premier real-time blockchain analytics platform utilized by over 5 million crypto traders every month. As a lean, high-performance team of ten, the organization remains at the absolute core of the rapidly expanding decentralized finance (DeFi) industry.

The organization is seeking a Blockchain Engineer to join the core engineering team. This individual will manage and evolve the indexing layer as the platform scales across hundreds of chains and billions of transactions. The mission is to architect and maintain high-performance indexers that ensure the platform remains the fastest and most reliable data provider in the ecosystem. This role is designed for a specialist who thrives in high-throughput environments and possesses a deep technical understanding of blockchain data structures.

Key Responsibilities

Software Engineer (Java Generalist)

Location: US - Open to Europe if happy to overlap with EST

Compensation: $160K - $200K

Our firm has been retained by a high-growth, mission-driven technology company to find a world-class Principal Java Systems Engineer. This is not a role for "glue" engineers who connect off-the-shelf components; this is for the engineer who sees performance ceilings as a personal challenge and prefers squeezing 30% more throughput out of clean Java over renting 30% more cloud compute.

Our client is building a high-performance, publicly visible immutable ledger. In an industry where people "move fast and break things," this team operates like NASA: moving fast while ensuring correctness, performance, and efficiency are 100% right the first time. You will join an elite team where you aren't a cog in the machine—you are the architect building it.

Key Responsibilities:

Quant / Trading Engineer

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

Compensation: Competitive

We are building a foundational layer for the next generation of financial markets: perpetual markets based on onchain economic activity. Instead of merely pricing assets or narratives, our platform allows traders and autonomous agents to take directional exposure to the growth or decay of applications, protocols, and infrastructure within the onchain economy.

We deploy directly into the Hyperliquid ecosystem, optimizing discovery and execution through our dedicated application. As a member of our early-stage team, you will work at the intersection of quantitative finance, crypto market structure, and high-performance onchain data systems.

Your mission is to build the signal layer and APIs that make autonomous trading agents materially more effective. You won’t just be moving data; you’ll be converting raw market behavior into high-fidelity, agent-readable signals.

Engineering Manager (Incubations)

Location: New York (Office)

Comepensation: Competitive

We are an industry-leading R&D lab building high-performance, open-source technology for the first parallelized EVM Layer 1 blockchain. Our mission is to scale decentralized infrastructure to handle Web2-level volume, onboarding the next billion users into a vibrant ecosystem of digital assets.

As the Engineering Manager for Incubations, you will lead a specialized team at the forefront of blockchain innovation. You won't just be managing; you will be collaborating directly with ecosystem partners to develop cutting-edge dApps across diverse domains—including Decentralized Finance (DeFi), Gaming, DePin, and AI. This is a "zero-to-one" leadership role designed for someone who thrives in fast-paced, community-first environments and wants to push the absolute boundaries of decentralized technology.

What you’ll do:

Staff Mobile Engineer (React Native)

Location: Fully remote in Europe or India

Compensation: $60K - $70K

We are a fast-scaling financial technology startup operating at the intersection of Prediction Markets, AI, and Blockchain.

Our platform is currently processing $200M in annualized volume and experiencing explosive growth of 100% week-over-week. We are backed by elite institutional investors, including a $500M AUM digital asset fund and a premier AI/Crypto accelerator with a sub-1% acceptance rate. We are looking for a world-class Staff Mobile Engineer to own our iOS experience and build a high-stakes trading environment where performance is the primary product feature.

As a Staff Mobile Engineer, you will be the architectural lead and primary owner of our iOS trading experience. This is a product-critical role where your code sits directly between our users and live, real-money markets. You will work in a high-bandwidth environment alongside the CEO, COO, and founding engineering team to ship a mobile experience that rivals the best in TradFi.

Key Responsibilities:

Senior AI Data Engineer (Agentic Systems)

Location: USA / Europe / Israel - with a 5hour overlap with EST hours

Compensation: $130K - $150K

We are hiring on behalf of our client who build the technology that powers safer, more accessible financial markets. Our risk management systems, oracles, and AI models currently secure over $200 billion in assets across the world's largest decentralized protocols, having processed more than $5 trillion in transaction volume. They recently launched a pioneering Financial Intelligence Platform that transforms complex market data into actionable insights, bringing institutional-grade intelligence to every participant in the ecosystem.

The Role: They are looking for a Senior AI Data Engineer to design and build the agentic systems powering their intelligence platform. You will work at the intersection of LLMs, financial data, and production infrastructure, creating intelligent agents that reason, plan, and execute across complex financial workflows.

Responsibilities:

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:

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

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