• Multi-Chain Indexing: Build and maintain real-time indexers for over 100+ chains (spanning both SVM and EVM architectures). • Solana Ecosystem Ownership: Take primary ownership of Solana (SVM) indexing, ensuring high-fidelity data capture in one of the industry's most high-throughput environments. • Performance Optimization: Continuously optimize for speed and reliability to ensure real-time data accuracy for millions of global users. • Infrastructure Management: Manage production-ready, high-load environments that process massive volumes of on-chain events. • Data Integrity: Implement robust solutions for reorg handling, RPC management, and cross-chain data consistency.

Moonshot is the “Robinhood for DeFi”—an iOS and Android app that lets anyone trade cryptocurrencies on-chain through a user-friendly interface. Since our launch in July 2024, we’ve attracted 2M+ users. Our mission: Make moonshots possible for everyone. Our vision: Make a world where life-changing financial outcomes are within everyone's reach. Everyone on our team is both a decision-maker and an implementer—united by a sense of urgency and driven by the conviction that our work can transform global finance. If you thrive on curiosity, welcome tough challenges, and aspire to leave a meaningful mark on the world, Moonshot is the place for you. You’ll run toward the hardest problems alongside high-caliber teammates who consistently push each other to excel and who share your dedication to shaping the future of decentralized finance. This role is full-time, preferably located in NYC. Open to remote for the right candidate. The Opportunity As a Senior Backend & Platform Engineer at Moonshot, you’ll own some of the most critical systems in our stack: identity and access, funds movement and ledgering, and the blockchain infrastructure that powers our on-chain trading. This role is similar to staff engineers at leading crypto wallets and exchanges who own authentication stacks, key management, and high-scale financial backends. You’ll design, build, and operate systems that must be both highly reliable and extremely secure, enabling product teams to move quickly on a solid foundation. What You’ll Do - Design, build, and operate Identity & Access Management services: - Authentication flows, sessions, device trust. - Authorization and entitlements (roles, permissions, policies). - Security controls such as MFA and key management (working with security teams). - Own financial operations systems: - Transfers and payments orchestration. - Ledgering and reconciliation flows. - Limits, risk controls, and transactional correctness. - Build and maintain blockchain infrastructure: - Node and RPC management. - Transaction submission, monitoring, and retry logic. - Indexing and streaming of on-chain data into internal services and data stores. - Define and uphold reliability and observability standards: - SLOs and error budgets for core services. - Dashboards, alerts, runbooks, and incident management practices. - Lead large, cross-functional technical projects from design through rollout, collaborating with Product, Security, and Ops. - Mentor and guide other engineers, contributing to engineering standards, design reviews, and documentation. - Stay close to industry best practices in auth, key management, and secure infrastructure for crypto and trading. What We Look For in You - 5–12+ years of backend or product or platform engineering, including experience with high-scale, high-availability systems in fintech, crypto, or similar domains. - Deep expertise in at least one of: - Identity & access / security engineering - Financial systems / ledgering / payments - Blockchain infrastructure / on-chain data - Strong experience designing and operating distributed systems (datastores, queues, streaming, background workers). - Track record driving architecture decisions and seeing them through implementation and adoption. - Strong operational mindset: monitoring, on-call, incident response, and postmortems. - Excellent collaboration skills, especially with Product, Security, and Ops. Nice to Haves - Experience with Flutter, React Native, React, Headless CRMs - Experience with Go, Rust, Solana - Experience with Google Cloud or Amazon Web Services - Experience with crypto wallets, exchanges, or onchain protocols including DeFi, L2s, ZK - Exposure to data warehousing and analytics for financial reporting. - Contributions to open-source projects. Location - NYC preferred (with periodic in-person sprints). - Remote-friendly within the United States and Canada; travel ~1wk/quarter Compensation & Package - Competitive salary and meaningful equity. - 5% 401(k) match. - Health benefits with employer-covered premiums, plus life insurance coverage. - One-time office setup stipend. - Flexible PTO.

• Design and implement scalable distributed systems that handle heavy CPU, disk, and network workloads. • Architect systems for high throughput, reliability, and efficient resource utilization. • Develop distributed algorithms and data processing pipelines. • Analyze system behavior to identify bottlenecks across compute, storage, and network layers. • Optimize workloads for maximum efficiency and minimal resource waste. • Develop strategies for parallelization, batching, and workload scheduling. • Implement system components and tooling primarily in Python and Bash. • Build custom orchestration, automation, and distributed job execution mechanisms. • Write efficient algorithms and low-level logic to manage large-scale workloads. • Build instrumentation, metrics, and telemetry to measure system performance. • Develop dashboards and analysis workflows to guide optimization decisions. • Use empirical data and experimentation to improve system behavior. • Design systems that operate reliably across distributed environments. • Implement monitoring, debugging, and recovery mechanisms for large-scale systems. • Collaborate with infrastructure and platform teams to ensure smooth deployment and operation.

Join Zepz: Breaking Down Borders, Together Our Meaningful Mission At Zepz, we're all about breaking down barriers for our customers and our teammates. Our purpose is deeply personal, we provide a lifeline and deliver opportunities to cross-border communities that need it most through cutting edge finance and tech. Zepz is the power behind WorldRemit and Sendwave, driven by the mission to celebrate the incredible impact migrants have, both at home and abroad. We're not just moving money; we're building a world that truly recognizes and supports global connections.Who You'll Be Joining We look for mission-driven builders who thrive in a fast-paced environment connected to a true purpose. We’re an always developing team of experts that enjoy problem solving and bring clarity to tough challenges. At Zepz, we are Relentless Learners, always seeking feedback, and Responsible Owners, treating company resources like your own. We depend on Transparent Communicators who keep the team aligned through open, honest talk.Our Core Commitments — What We Live By Our vibrant and truly diverse culture is built on three core commitments, that guide how we work and interact: - Integrity: We always do the right thing. It’s simple, but it’s the foundation of everything we build for our customers and each other. - Outcomes: We work for our customers. Their success and prosperity are the results we focus on delivering. - Velocity: We are fast! We maintain high energy levels and make smart decisions quickly, keeping us nimble and ahead of the curve. About the role As an FX Stablecoin Trader here at Zepz you will be responsible for leading and executing high-value stablecoin and fiat currency trading strategies across multiple markets to maximize FX margins, manage liquidity, and mitigate market and operational risks. This role acts as a subject matter expert on digital FX trading—leveraging stablecoins to optimize trading execution in volatile or illiquid emerging markets. Driving trading decisions, expand liquidity provider relationships, and ensure disciplined market risk management—while shaping the future of digital treasury and FX trading. Key Responsibilities Trading Strategy & Execution - Lead stablecoin-to-fiat and fiat-to-stablecoin trading operations across exchanges, OTC desks, and liquidity providers. - Own high-volume execution and P&L delivery across selected markets, ensuring best execution and minimization of trading slippage. - Identify and capture arbitrage opportunities between official FX channels and digital asset markets. - Use stablecoins strategically to overcome liquidity constraints in emerging markets (e.g., Africa, LATAM, APAC). Risk & Liquidity Management - Manage currency exposure, liquidity buffers, operational float, and intraday funding across multiple markets. - Enforce discipline around trading limits, counterparty risk, and operational controls. - Stay ahead of global regulatory developments affecting FX, stablecoins, and digital asset flows. Platform & Automation Ownership - Evaluate and onboard exchanges, market makers, and APIs for automation. - Collaborate with product/engineering to streamline trading automation, reconciliation, and risk dashboards. Reporting & Insights - Lead daily trade blotter and P&L reporting, communicating market movements, spreads, and trading insights to leadership. - Produce weekly/monthly performance reporting, margin analysis, and efficiency improvements. Required Qualifications & Experience - Bachelor’s degree in Finance, Economics, Engineering, Mathematics, or a related quantitative field. - 5+ years of experience in FX trading (preferably emerging markets, digital assets, or treasury roles). - Proven track record of managing trading book(s) and delivering strong P&L. - Experience trading stablecoins (USDT, USDC, EURC, etc.) on exchanges (Binance, Coinbase, Kraken), OTC desks, and P2P platforms. - FX spot market structures, pricing, spreads - Digital asset ecosystem, blockchain fundamentals, on-/off-ramp mechanics - Liquidity management & treasury funding cycles - Advanced Excel / Sheets required; Python, SQL or scripting skills are advantageous. Key Competencies - Best-in-class execution discipline and decision-making under pressure. - High analytical capability and a strong quantitative mindset. - Ability to navigate high-volatility markets with confidence. - Strong stakeholder communication and influence at leadership level. - Integrity and commitment to compliant execution, even in opaque markets. KPIs / Success Metrics - FX trading profitability (gross margin %, net contribution). - Liquidity efficiency (cost to trade, slippage reduction). - Optimal utilization of trading capital / operational float. - Accuracy, timeliness, and discipline of reporting. - No breaches of counterparty, operational, or risk limits. Perks of Joining Our Team We believe in empowering colleagues because we genuinely trust our team. Our culture is founded on this high trust, which naturally encourages the high ownership that drives us to meet our shared high expectations and deliver high performance. Our remote-first culture means you have the flexibility to work in your employing country wherever you feel the most focused and productive. This freedom comes with wonderful tailored, location-specific perks designed to support your whole life, not just your work. Think unlimited annual leave , great healthcare benefits, and employee discounts. We want you to thrive and focus entirely on making your biggest impact! In turn, we expect you to bring high ownership and commitment to your work. This is a place where we value trust and high performance, and we'll provide the environment and support needed for you to excel. If you want to join us in our journey to help break barriers in financial access and improve lives globally, there's no better place or time to join. Our global team of 800+ people is spread across six continents. We aspire to hire the best mix of people from former Olympians to YouTube influencers and we speak over twenty languages. This incredible diversity isn't a bonus; it's the engine that lets us serve the world. Ready to Apply? Let’s Go.