Backend Software Engineer - Payments & Digital Money

Location: New York (Hybrid)

Compensation: $150K - $180K

We are a lean and mighty team of passionate builders, funded by top investors in fintech and crypto, focused on empowering 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 within a small, quickly growing company.

You will be a critical part of defining our technical and product roadmap, contributing directly to our core backend infrastructure. This role involves rapid feature shipping, large-scale system scaling, and integrating with diverse third-party services and smart contracts across multiple chains. You will have the freedom to explore ideas, impact the company's vision, and grow into the role that best aligns with your personal goals.

What You'll Do:

We’re looking for a remote Full Stack Developer based in Jordan or Egypt passionate about modern architectures, seamless user experiences, and scalable backend systems to join our growing engineering team.  

Job Overview  

As a Full Stack Developer, you will design and build serverless and microservice-based applications leveraging AWS technologies. You’ll work across the stack from creating intuitive React interfaces to developing scalable Node.js APIs ensuring performance, reliability, and maintainability across our platforms.  

Key Responsibilities  

• Design and develop serverless and microservice architectures using AWS Lambda, API Gateway, and related services.  

• Build responsive, high-quality front-end interfaces using React.  

• Develop and maintain robust back-end APIs using Node.js.  

• Collaborate with cross-functional teams to deliver scalable, high-performance solutions.  

• Implement and maintain CI/CD pipelines for smooth deployment and updates.  

• Ensure system reliability, security, and scalability through clean and efficient code.  

Qualifications  

Senior Infrastructure Engineer - Blockchain Wallet Backbone

Location: Remote - Location: United States (remote-first, office optional). EST time is preferred

Compensation: $180K - $300K

Join a stellar team of leaders and experts in blockchain technology, cryptography, and security. We are building the backbone of blockchain wallet infrastructure for the next financial era. We are seeking a Senior Infrastructure Engineer to design, operate, and scale systems at the intersection of blockchain, cybersecurity, and distributed infrastructure, preparing us to meet the demands of a trillion-dollar industry.

This role goes beyond maintenance—you will be an architect, automator, and security expert. You will embed best-in-class DevOps and SRE practices into our workflows, ensuring our services are highly reliable, secure, and cost-efficient. You will collaborate across engineering, product, and security to translate complex requirements into scalable infrastructure.

Key Responsibilities:

Full Stack Engineer - Payments & FinTech Web Applications

Location: Remote - Based in EST or GMT+1

Compensation: $120K - $150K

We are a high-growth technology company building a robust FinTech and payments platform. We are seeking an experienced Full Stack Engineer with strong product sense and deep technical expertise to design and build the secure, scalable, and high-performing web applications that power our platform. This role requires translating complex backend financial systems into intuitive, reliable user experiences.

You will own the development lifecycle of web applications from design through release, working across the full stack with an emphasis on the frontend user experience. You will collaborate closely with backend teams, ensuring that all features prioritize performance, security, and scalability. You will be expected to treat UI components and APIs as products, maintaining high standards for code quality and architectural clarity.

What You'll Do:

Senior Full Stack Engineer - On-Chain Economic Security

Location: Remote - Preference for NYC - Or Remote USA or Tel Aviv (classed as Europe) to work EST hours

Compensation: $144K - $164K

We are the first automated, on-chain economic security system, enabling crypto protocols to optimize risk management and capital efficiency while safeguarding user funds. Our platform uses world-class custom EVM simulations to analyze protocol mechanics and is trusted by leading DeFi platforms to secure billions of dollars in assets. We are seeking a proactive and results-driven Senior Full Stack Engineer to build data-driven dashboards and tools that support our critical risk analysis.

You will take full end-to-end ownership of projects, translating high-level goals into technical strategy and execution. This role involves deep collaboration with our research and protocol teams to deliver high-quality frontend and backend components. You will be instrumental in visualizing protocol risk insights via intuitive, data-rich interfaces and evolving our core Alert Portal.

Key Responsibilities:

Senior/Lead EVM Engineer - Distributed Ledger Optimization

Location: Remote - US

Compensation: Competitive

We are a fast-growing software company committed to supporting, developing, and servicing an open source, proof-of-stake, EVM-compatible platform. This decentralized network is built for enterprise and Web3 applications, prioritizing speed, security, and stability. We are seeking a seasoned EVM Engineer to join our Smart Contracts team and drive the performance and optimization of our core native services (Java) and Web3 services (JS/TS).

You will be a high-impact contributor, spending approximately 80% of your time designing, coding, and testing core components. Your focus will be on the execution layer, specifically transforming network node states, processing transaction bytes, and exposing critical network data. This includes innovating on compiler and optimization algorithms, enhancing EVM features, and contributing to open-source code clients.

Key Responsibilities:

Senior Backend Engineer - High-Volume Fintech & Payments Platform

Location: Remote - Based in LATAM / EST /Europe

Compensation: $130K - $180K

We are a technology company building the next generation of money and financial products. We are seeking a Senior Backend Engineer to design and build the core backend systems that power our fintech and payments platform. This role requires deep technical expertise in high-scale transaction systems and strong product awareness to deliver reliable, secure, and impactful solutions.

You will be responsible for the full lifecycle of our backend services, focusing on architecting, building, and operating systems that handle high-volume financial transactions securely and reliably. You will act as a technical leader, driving feature delivery and raising the engineering bar across the team while ensuring our systems align with business priorities.

Key Responsibilities:

Senior Backend Engineer - Decentralized Perpetual Exchange

Location: Remote - US or EU if willing to overlap 6+ hours with ET

Compensation: $180K - $300K

We are the largest decentralized perpetual exchange on a leading Ethereum Layer 2 solution, processing over $20 billion in cumulative trading volume. Our mission is to bring global markets on-chain, enabling leveraged trading of real-world assets (commodities, forex, indices, stocks) alongside crypto, all with full self-custody. Backed by top-tier investors, we are a small team scaling critical infrastructure handling billions in volume and are seeking an exceptional Senior Backend Engineer who deeply understands crypto infrastructure.

You will build and scale the high-reliability systems that power our exchange, directly impacting billions in trading volume. This role requires navigating the entire stack, from reading blockchain state and decoding oracle message signatures to building high-performance APIs and data pipelines. You will be comfortable working close to the protocol layer while owning critical infrastructure that processes thousands of trades daily.

Key Responsibilities:

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:

Backend Software Engineer - Digital Money & Global Payments

Location: New York (Hybrid)

Compensation: $150K - $200K

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: