Staff Backend Engineer: High-Frequency Trading Systems

Location: Remote - Fully remote in Asia

Compensation: $70K - $80K

We are a high-growth fintech powerhouse operating at the intersection of Prediction Markets, AI, and Blockchain technology. With over $200M in annualized volume and a 100% weekly growth rate, we are rapidly redefining how decentralized markets operate. We are backed by world-class investors, including CMT Digital and AllianceDAO, the premier accelerator for the crypto and AI ecosystem.

We are seeking a Staff Backend Engineer to own and scale the low-latency, high-throughput systems that sit directly in our trade execution path. This is not a "standard" backend role; you will build performance-critical infrastructure where micro-optimizations, architectural correctness, and extreme reliability are the difference between success and failure. You will work in a high-stakes environment where your code manages real money and real volume every second.

Responsibilities

Frontend Engineer (Decentralized Ownership & Governance) - Remote/Hybrid

Location: Remote - Milan preferred or EU based

Compensation: $70K - $90K

TL;DR: We are building a groundbreaking new platform that enables the launch, ownership, and governance of ownership tokens using decision markets on EVM chains. We are seeking an experienced Frontend Engineer to help bring these innovative, complex interfaces to life.

This is a chance to work at the intersection of DeFi, tokenized ownership, and futarchic governance, creating the core user-facing applications that will define a new paradigm for founders, investors, and traders.

As a Frontend Engineer, you will be responsible for developing and maintaining the core user-facing applications of our protocol. You will translate complex crypto concepts and governance mechanics into beautiful, intuitive, and highly performant interfaces.

What You'll Build (Key Applications):

1. Interface (Main Web App): The primary application where users interact with the protocol for investing and ownership management.
2. Landing Page: The marketing site that tells the platform's story.
3. Governance Layers: Specialized, intuitive interfaces for decision market participation and voting.

Principal Software Engineer, Backend Infrastructure (Remote, US)

Location: US (remote-first, office optional), will consider strong profiles from Canada. EST preferred.

Compensation: $220K - $300K

Are you a technical leader ready to build the next generation of financial infrastructure?

Join a stellar team of leaders and experts in blockchain technology, cryptography, infrastructure, and security to build the backbone of secure, resilient systems for the evolving financial era. Our client is hiring a Principal Software Engineer to lead the design, development, and scaling of their core backend systems. This is a high-impact, remote-first role for someone who excels at setting technical direction and owning critical projects end-to-end.

As a Principal Software Engineer, you will be more than just a coder; you will be a key driver of technical strategy and execution. You will own mission-critical projects while setting the technical direction and ensuring their platform is fast, resilient, and secure under the high-stakes demands of financial workflows.

Lead/Senior Front-End Engineer (DeFi Infrastructure on Solana)

Location: Remote - PST-CAT preference

Compensation: Competitive

We are building the next generation of Decentralized Finance (DeFi) liquidity infrastructure on Solana. Our platform solves major industry problems by moving beyond traditional over-collateralized lending. We enable under-collateralized borrowing, programmable margin accounts, and composable strategies, all through one seamless application, unlocking capital efficiency and reducing risk.

We are seeking a foundational hire, a Lead/Senior Front-End Engineer, to own and drive the frontend of our flagship platform. This role will shape the entire user experience, technical architecture, and future frontend engineering culture.

As the go-to person for all things frontend, you will be responsible for defining the technical vision and delivering a world-class, high-performance user experience for advanced DeFi users.

Strategic Account Manager - Next-Gen Blockchain Infrastructure

Location: Remote - Based in France (strongly preferred), Spain or European Union

Compensation: $70K - $105K

Join a dynamic fintech scale-up founded by top leaders and world-class engineers building the next generation of secure blockchain wallet infrastructure. We are hiring a high-energy, customer-focused Strategic Account Manager ready to make an immediate impact in a fast-growing, cutting-edge industry.

This role is ideal for someone who thrives in a results-driven environment, takes ownership, and is dedicated to growth. You will be instrumental in supporting customers, driving platform adoption, managing client onboarding, and handling both inbound and outbound sales activities.

As a Strategic Account Manager, you will be the key liaison for our most important clients, ensuring their success and driving the expansion of platform adoption.

Full Stack Software Engineer - Decentralized Trading Platform

Location: Remote - North America/South America only - (NYC or SF based candidates heavily preferred)

Compensation: $150K - $175K

Join an organization founded by former employees of a leading crypto exchange, backed by top-tier institutional investors from both traditional finance and crypto. We are building the leading trading and yield platform for Decentralized Finance (DeFi), bringing deep expertise in algorithmic trading and high-performance engineering to the space.

We are looking for a Full Stack Software Engineer excited by the opportunity to build cutting-edge, crypto-native technology. You will work across the entire stack, integrating multiple protocols and connecting with various blockchains. This is a pivotal role requiring an individual who thrives on end-to-end ownership and technical complexity.

This role involves end-to-end ownership of features on a complex trading backend designed to manage billions of dollars in crypto transactions, as well as the high-performance frontend interfaces.

Data Scientist - Consumer Product Optimization

Location: New York City, London (Office)

Compensation: $250K - $300K

We are seeking an experienced, versatile Data Scientist to join our team, which is focused on a fast-paced consumer-facing product within the fintech or equivalent industry. This is a high-autonomy role where you will have the freedom to identify opportunities, design and implement solutions, and measure their impact across our entire product suite.

We value generalists who possess breadth across the data science field and thrive on end-to-end ownership. You will collaborate with cross-functional teams while driving projects independently from conception to completion.

The Data Scientist will be responsible for leveraging data to drive product decisions, optimize user experiences, and uncover strategic opportunities for growth.

Senior Data Engineer - AI-First Fintech Platform

Location: Remote - Fully Remote - Across Europe

Compensation: $120K - $140K

We are a rapidly growing fintech and crypto platform undergoing an AI-first transformation. We are seeking a strategic, high-impact, and high-ownership Senior Data Engineer to build the foundational data infrastructure that powers our cutting-edge AI features.

You will report directly to the CTO and work closely with our Machine Learning (ML) team to consolidate and govern our data ecosystem (including PostgreSQL, Kafka, BigQuery, and GCS) into a clean, governed, and ML-ready platform. Your contributions will directly enable critical AI functionality across our product suite.

This role is responsible for the end-to-end design, implementation, and governance of our core data platform, ensuring high performance and readiness for ML applications.

DevOps Engineer - Global Fintech & Digital Money Platform

Location: Remote - They would prefer people in NYC but will accept people in Europe or Puerto Rico

Compensation: $180K - $250K

Join a lean and mighty team of passionate builders and veteran founders, backed by top-tier investors in fintech and crypto. We are building a cutting-edge platform at the intersection of real-world payments and digital money, empowering the next generation of financial products globally.

We are looking for a DevOps Engineer to deliver massive impact by owning and scaling our critical infrastructure. You will be a key driver of the technical roadmap and architectural decisions for a product rapidly scaling to millions of end-users.

The DevOps Engineer will play a critical role in managing, scaling, and securing our multi-cloud infrastructure, ensuring rapid, reliable deployments for a high-performance financial product.

Lead Blockchain Payments Engineer - Fiat Ramps & Financial Infrastructure

Location: London

On-site | Full-time

Compensation: Competitive

Our client is an elite team of builders operating at the intersection of fintech and high-scale crypto infrastructure. As a high-growth software organization, the company is responsible for developing the technology behind some of the largest crypto social networks and digital asset launchpads globally. The organization is defined by a philosophy of extreme talent density, rapid iteration, and technical ownership.

The Lead Blockchain Payments Engineer (Fiat Ramps) will serve as a core architect of the firm's financial infrastructure. This role is responsible for designing and scaling the services that power seamless fiat-to-crypto flows, real-time risk decisioning, and immutable financial records. Based in London, this is a full-time, in-person position for an engineer who thrives in high-throughput, low-latency environments and is passionate about building the future of global value transfer.

Key Responsibilities

Payment Orchestration & Integrations