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Staff React Native Engineer

posted by: spj_bot

Staff React Native Engineer

Location: New York City (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 and the impact of every deployment is immediate.

The organization is seeking an expert React Native Engineer to join its mobile engineering team. This individual will play a pivotal role in building and scaling a world-class mobile application that brings the power of decentralized finance (DeFi) and SocialFi to a global user base. The role involves working across the stack to craft high-performance mobile experiences, shipping at high velocity, and iterating rapidly within a high-growth ecosystem.

Key Responsibilities

Job Skills

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Quantitative Software Engineer

posted by: spj_bot

Quantitative Software Engineer - DeFi Economic Optimization

Location: Remote - US, Canada and would consider candidates based in Puerto Rico

Compensation: $150K - $200K

We are a Series B quantitative research and optimization company that leads the field in DeFi economics. We manage market risk, optimize growth, and ensure economic safety for protocols facilitating most spot trading, borrowing, and lending activity across all of DeFi, securing over $42 billion in customer TVL. We are seeking highly skilled and motivated Quantitative Software Engineers to drive the safe progression of future financial systems.

You will be at the intersection of quantitative finance and software engineering, driving the design and implementation of risk management and optimization strategies for major DeFi protocols. This role involves full ownership, from building robust data pipelines and core modeling platforms to deploying logic that enhances capital efficiency and risk-adjusted yields.

Key Responsibilities:

Job Skills

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Protocol Lead

posted by: spj_bot

Protocol Lead - Rule Enforcement for Regulated Blockchains

Location: remote - north and South America and the EU

Compensation: $180K - $220K

We are building a platform that sets the standard for how regulated blockchain applications enforce transaction rules directly at the smart contract layer. Our system empowers teams to create modular, programmable policies (like AML/CFT checks or off-chain collateral requirements) enforced with cryptographic guarantees before a transaction executes on-chain. We are seeking a Protocol Lead to own the entire smart contract suite, driving robust, scalable risk management for real-world use cases.

As the Protocol Lead, you will have full ownership of the architecture, development, and maintenance of our core smart contract suite. You will be the team's blockchain subject matter expert, defining security best practices, managing audits, and building tooling for seamless integration. This role requires a balance of hands-on coding, security leadership, and cross-ecosystem research (EVM and non-EVM).

Key Responsibilities:

Job Skills

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Principal Blockchain Engineer - Minter Systems

posted by: spj_bot

Principal Engineer (Remote Outside US) - Real-World Asset Minter Infrastructure

Location: Remote - Europe or on the East Coast for South America/Canada (No US)

Compensation: $200K - $225K

We are building a critical piece of infrastructure that is the first live Minter on a major protocol. Our system transforms real-world collateral, such as U.S. Treasuries, into on-chain monetary building blocks ($M). This programmable, composable foundation allows builders to create their own application-specific digital dollars. We are seeking a Principal Engineer to take full-stack ownership of the systems that power this creation and distribution.

This role begins as a high-impact Senior Individual Contributor position with broad autonomy to define architecture and set engineering practices, designed to grow into a technical leadership role. You will work directly with leadership to execute a clear, productized system vision. Your focus will be on building the institutional-grade infrastructure that enables automated minting, multi-chain liquidity, and key integrations.

Key Responsibilities:

Job Skills

professional resilience leadership customer experience mentorship reliability automation equity risk management security policy build tool managing scalable cloud platforms code review high availability mental health management node js building blocks uptime sql productized system backend cross functional collaboration operational treasury low latency tooling experience design web application nice operators m treasuries python reconciliation collaborate development budget software engineering reliable best practices managed securely workflows operations docker blockchain kubernetes professional development automated compatible API collaborative team orient infrastructure graphql containerization application specific typescript delivery focus applicable data user experience integrations execute
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Machine Learning Engineer (Recsys)

posted by: spj_bot

Machine Learning Engineer - Recommendation Systems

Location: London (Office)

Compensation: $250K - $300K

We are a high-growth software development company and a team of elite builders, known for our contributions to one of the largest crypto social networks globally. Our pioneering platform allows anyone to create a coin in under one minute for free, establishing itself as the home for memecoin creation and trading on Solana. The platform has generated over $700 million in revenue and is focused on building the future of social crypto. We are seeking a Machine Learning Engineer to build and scale our core recommendation systems.

You will be responsible for designing, building, and deploying the machine learning systems that drive user discovery and engagement across our rapidly growing platform. This is a high-impact role requiring end-to-end ownership of critical features, ensuring our models scale effectively to handle significant real-time volume and user activity.

Key Responsibilities:

Job Skills

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Forward Deployed Engineer

posted by: spj_bot

Forward Deployed Engineer - Digital Money & Payments Infrastructure

Location: New York (Hybrid)

Compensation: $120K - $160K

We are a lean and mighty team of passionate builders and veteran founders, backed by some of the top investors in fintech and crypto. Our mission is to empower the next generation of money and financial products globally. We are seeking a Forward Deployed Engineer to join us in launching cutting-edge projects at the intersection of real-world payments and digital money. This high-impact role offers the opportunity to drive massive change at a small, quickly growing company.

As a Forward Deployed Engineer, you will act as a critical bridge between our technology and our customers' needs. You will be instrumental in launching complex offerings, driving technical strategy, and directly influencing product growth and architecture. This role requires a self-driven leader comfortable with a broad scope that encompasses both technical execution and strategic customer collaboration.

What You'll Do:

Job Skills

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Senior Account Executive, Financial Institutions & Banks

posted by: spj_bot

Senior Account Executive, Financial Institutions & Banks

Location: Remote - United States

Compensation: $150K - $200K

We build technology that makes markets safer and more accessible by providing cross-border payments and financial infrastructure solutions to banks, from Tier 1 institutions to regional and community banks. Our risk management systems, oracles, and AI models secure billions in value while democratizing access to world-class financial tools. We are seeking a senior, high-impact Senior Account Executive to drive commercial growth and lead our go-to-market strategy for the banking segment.

This is a senior, high-impact role for an entrepreneurial, execution-oriented builder who can lead the full sales lifecycle from outreach to closing complex deals with financial institutions. You will combine strategic sales leadership with technical and operational fluency, designing and implementing bespoke cross-border payment flows in collaboration with internal teams. You must be equally comfortable in a boardroom with C-suite executives and in the weeds with a payments operations team.

Key Responsibilities:

Job Skills

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Backend Engineer

posted by: spj_bot

Backend Software Engineer - Digital Money & Global Payments

Location: Remote - Preference is NYC > North America Remote

Compensation: $140K - $240K

We are a lean and mighty team of passionate builders and veteran founders, backed by top investors in fintech and crypto. Our mission is to empower the next generation of money and financial products globally. We are seeking a Backend Software Engineer to join us at the cutting edge intersection of real-world payments and digital money, where you will deliver massive impact at a small, quickly growing company.

You will be a critical part of defining our technical and product roadmap, operating within an open and flat structure where you have the freedom to explore ideas and influence the company's vision. You will focus on scaling our infrastructure to handle millions of end-users globally while driving key architectural decisions for our rapidly evolving product.

What You'll Do:

Job Skills

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APAC Community Lead

posted by: spj_bot

APAC Community Lead - Layer 1 Blockchain Performance

Location: Remote - Global Remote - Preference for APAC region: Hong Kong, Singapore, Korea, Japan.

Compensation: $150K - $200K

We are the first parallelized layer 1 blockchain, setting a new standard in performance and scalability. Our technology re-writes the most widely adopted execution environment in Web3, allowing applications to benefit from both the speed of Web2 and the decentralization of Web3. We are seeking an experienced APAC Community Lead to significantly expand our presence and mindshare across the Asia Pacific region.

You will be responsible for leading the entire community strategy for the APAC region, focusing on identifying, onboarding, and managing a powerful network of regional advocates and Key Opinion Leaders (KOLs). This role involves creating scalable systems to activate and track advocate output, driving consistent growth in brand presence and engagement through localized campaigns and coordinated messaging. You will be instrumental in closing our regional gap and building a thriving APAC advocate program in collaboration with growth, community, and product teams.

Key Responsibilities:

Job Skills

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Validator BD Lead

posted by: spj_bot

Validator BD Lead - High-Performance Blockchain Infrastructure

Location: Remote - Europe or North America

Compensation: $140K - $150K

We are reengineering blockchain infrastructure from first principles to make global digital markets as precise and dependable as physical systems. Built on a leading high-performance blockchain, our platform delivers deterministic execution, guaranteed inclusion, and low-latency performance, solving foundational failures that plague current systems. We are building the reliability and control institutions demand, and we are seeking a Validator BD Lead to drive the adoption of this critical infrastructure across the validator ecosystem.

As the Validator BD Lead, you will own and drive the validator engagement strategy, serving as a critical, high-ownership role that will shape our go-to-market efforts and partnership model as we prepare for mainnet. You will lead efforts to build relationships with top-tier validators and ensure successful adoption of our infrastructure.

Key Responsibilities:

Job Skills

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