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Compliance Operations Coordinator

posted by: spj_bot

Compliance Operations Coordinator - Cross-Border Payments

Location: Remote - Based in EST timezone

Compensation: $50K - $80K

We are building a platform that enables cross-border transactions that are drastically faster, cheaper, and simpler, moving toward a world of frictionless global commerce. We are seeking a Compliance Operations Coordinator to join us on the front lines, taking ownership of the day-to-day execution of critical bank and client compliance requests. This role is about responsiveness, precision, and extreme accountability in a high-growth, globally distributed environment.

You will serve as the essential link between our clients and banking partners, ensuring every compliance requirement is handled quickly and flawlessly to maintain trust and operational integrity. You will manage the compliance workflow end-to-end, acting with urgency to support global business scale.

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Commercial Counsel

posted by: spj_bot

Commercial Counsel - Blockchain Infrastructure

Location: Remote - Must be in the European Union (remote-first, office optional). France/ Paris or as close as possible, is always preferred.

Compensation: $95K - $140K

Join a stellar team of leaders and experts building the backbone of blockchain wallet infrastructure for the next financial era. We are hiring a Commercial Counsel to own and drive all contract-related legal matters for our platform. Reporting directly to the CEO, you will play a hands-on, critical role in supporting our international growth while ensuring compliance within the fintech and crypto regulatory landscape.

This is a high-autonomy role where you will be directly responsible for accelerating deal flow while protecting the company's interests. You will act as a key partner to our Sales, Product, and Operations teams, responsible for building the scalable legal foundation that supports our expansion across the globe.

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Backend Engineer - Indexing

posted by: spj_bot

Backend Data Engineer - Real-Time Crypto Analytics Infrastructure

Location: London, New York City (Office)

Compensation: $250K - $300K

We are a high-growth software development company of elite builders, redefining what's possible and proud contributors to the largest crypto social network globally. We are seeking a Backend Engineer focused on data to design and scale our real-time data infrastructure at the forefront of crypto and social finance. This role is for a self-starter who thrives on solving complex, high-throughput data challenges in a fast-paced environment.

You will own the end-to-end architecture and operation of our real-time analytics pipeline, ensuring low-latency insights are always available to internal and external stakeholders. This role requires interacting directly with high-throughput blockchain infrastructure and solving significant challenges related to data consistency, scale, and performance.

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2x Quantitative Researcher/Engineer

posted by: spj_bot

Quantitative Trading & Market Microstructure Specialist - High-Performance DEX

Location: Remote - Global (Preference for candidates based in: Lisbon, Portugal / UAE / Switzerland / Singapore / Hong Kong / Brazil / USA / UK / Spain / Canada / France / Germany / Greece)

Compensation: $180K - $220K

We are building a high-performance blockchain operating system that fundamentally redefines what's possible on Ethereum by prioritizing unparalleled throughput, decentralization, and security. We are now expanding the team for O2, a new, early-stage project: a next-generation decentralized exchange (DEX) running on our modular execution layer. Designed as a Central Limit Order Book (CLOB), our goal is to build the fastest DEX ever constructed, leveraging parallel execution to unlock high-frequency trading efficiency fully on-chain.

You will play a foundational role, leveraging your expertise in market making and quantitative trading to model, simulate, and optimize the market behavior of our core CLOB protocol. This is a highly hands-on role where you will design and test trading strategy logic, build simulation frameworks, and collaborate with engineering and research to inform critical protocol-level design decisions.

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UX Designer

posted by: spj_bot

UX Designer - Web3 Live Sports Gaming

Location: Remote - Preference for UK as thats where the majority of the team are based, 2nd preference is EU - fully remote.

Compensation: $75K - $120K

We are a rapidly growing, stealth-mode team building the ultimate digital playground for the world's most passionate football fans. Our mission is to make the match-day experience more engaging, social, and fun by blending speed, robust data, and vibrant design. We are looking for a highly creative and user-focused UX Designer to define the look, feel, and function of our web and mobile applications, translating complex live sports data into intuitive interfaces.

You will be instrumental in leading the UX strategy for our core Web platform, where the majority of live fan interaction occurs. Your focus will be on designing interfaces that are intuitive, glanceable, and performant even during the most chaotic moments of a live game. You will own the design system, drive optimization through testing, and collaborate closely with engineering to ensure pixel-perfect implementation.

Key Responsibilities:

Job Skills

web platform professional user testing product managers prototype equity brand team build security policy design system pixel perfect scalable design optimization storytelling touchpoints communication web design funnels visual dashboards community interaction manage design CSS data visualization translate feature development look feel rapid development experience design web application css framework prototypes interactive collaborate polls responsive web design social designing interfaces managed securely collaboration analytics heatmaps prototyping performance metric creative figma cognitive load product design gamification translating bootstrap statistics user flow browser compatibility collaborative graphs mobile applications interaction applicable data design specification front end e wireframing b polished
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Staff Software Engineer - Execution Team

posted by: spj_bot

Staff Software Engineer - Distributed Ledger Execution

Location: Remote - US

Compensation: $ Competitive

We are a fast-growing software company committed to supporting, developing, and servicing an open source, proof-of-stake platform. This EVM-compatible Distributed Ledger Technology (DLT) is specifically built to meet the needs of enterprise and Web3 applications, prioritizing speed, security, stability, and sustainability. We are seeking a Staff Software Engineer to be a technical leader on our core Execution Team.

You will be responsible for delivering software services, business logic, and APIs within the core Consensus Node—the heart of our DLT. This is a high-impact role requiring deep passion for solving technical challenges involving distributed execution, state management, transaction lifecycles, and economic systems (fees, rewards). You will drive technical direction, optimize performance, and mentor engineers within a highly collaborative, open-source environment.

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Staff Developer Tooling Engineer

posted by: spj_bot

Senior Software Engineer - Developer Tools & SDKs

Location: Remote - US & Americas

Compensation: $ Competitive

We are a fast-growing software company dedicated to supporting and developing an EVM-compatible, open-source, proof-of-stake platform. This public network is engineered for enterprise and Web3 applications, prioritizing speed, security, stability, and sustainability, and is governed by industry-leading organizations. We are seeking an experienced Software Engineer to lead the development of world-class developer tools and SDKs.

You will take the lead on crafting seamless developer experiences, owning the design, build, and maintenance of our open-source SDKs and related tooling. This role requires technical leadership, hands-on coding across multiple languages, and a strong focus on developer empathy. You will work cross-functionally to ensure our tools are intuitive, robust, and aligned with real-world developer needs.

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Solidity Smart Contract Engineer

posted by: spj_bot

Smart Contract Developer - Institutional DeFi Protocol

Location: Remote - US only (preference for onsite/hybrid in LA)

Compensation: $160K - $180K

We are an on-chain financial infrastructure company backed by leading VCs, committed to upgrading financial markets through 24/7 instant settlement. Our first product is an institutional-grade smart contract protocol that facilitates interoperability and liquidity across tokenized financial assets and stablecoins. We are seeking a Smart Contract Developer to join our core engineering team and build the foundational infrastructure that bridges traditional finance (TradFi) and decentralized finance (DeFi).

This is a high-impact, hands-on role where you will design, develop, and deploy highly secure, robust smart contracts for our core protocol. You will architect on-chain logic, optimize gas efficiency, and ensure best-in-class security practices to enable institutional-grade DeFi operations. You will work within a small, senior team, collaborating closely with security auditors, product, and business stakeholders.

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Solana Program Engineer

posted by: spj_bot

Solana-Focused Frontend Engineer - Crypto Social Finance

Location: Remote - preference is NYC/LDN but open to remote candidates if they're an exceptional fit.

Compensation: $250K - $300K

We are a high-growth software development company of elite builders, redefining what's possible and proud contributors to the largest crypto social network globally. We are seeking a Solana-Focused Frontend Engineer to play a critical role in building and scaling cutting-edge platforms at the forefront of crypto and social finance, delivering high-performance, user-centric applications across web and mobile.

You will be instrumental in bridging the gap between our smart contract infrastructure and the user interface, working in an environment where speed, ownership, and innovation are paramount. You will own the front-end implementation of new on-chain features, optimize performance, and ensure a seamless user experience for real-time interactions.

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Senior Rust Engineer

posted by: spj_bot

Senior Rust Engineer - On-Chain Security Infrastructure

Location: Remote - Europe

Compensation: $165K - $200K

We are building a Credible Layer—a step-level improvement for on-chain security designed to safeguard the crypto industry and restore credibility after billions were lost to hacks. We are creating an on-chain protocol and off-chain infrastructure that enables protocols to enforce security rules for every transaction. Backed by world-class investors, we are seeking a Senior Rust Engineer to work on bleeding-edge infrastructure at the heart of our mission.

You will play a crucial role in shipping cutting-edge features that extend the EVM (Ethereum Virtual Machine) to enable security rules to be checked after every state transition. This is a high-impact, deeply technical role requiring expertise in performance optimization and low-level systems programming within a collaborative, fast-iteration environment.

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