Own the money side of Splash: deposits, withdrawals, entry fees, payouts, fraud checks, and the double-entry ledger tying every cent back to player wallets and contests.
Design and run backend services on NodeJS and TypeScript in AWS, working closely with Finance, Compliance, and engineers in the US and Prague.
Automate reconciliation, build payment processor integrations, and ensure exactly-once posting, audit trails, and safe concurrency in a regulated real-money environment.
Design, build, and maintain payment processing systems handling billions in annual ACH and wire transfers.
Implement fraud prevention, transaction verification, and anomaly detection controls.
Own architectural decisions and partner with compliance, risk, and accounting stakeholders.
Qualia is a leading B2B real estate technology company that transforms the home buying and selling experience into a simple, secure process. The company is remote-first, growing quickly, and mission-driven with a focus on trust and transparency.
Shape the technical foundation for money movement capabilities and unlock new product lines globally.
Guide the design and development of reliable, scalable, performant, and secure payment platform services.
Contribute directly to production code and proof-of-concepts, solving complex fintech challenges at massive scale.
Xero is a global cloud-based accounting software platform designed for small businesses. With thousands of employees worldwide, the company fosters a culture of technical excellence, inclusion, and continuous innovation.
Lead design, architecture, and development of high-performance, scalable software systems using TypeScript and Node.
Mentor junior engineers and contribute to the company's overall technology strategy.
Drive continuous improvements in code quality, development processes, and team efficiency.
Second Nature is the world's first Resident Experience Platform that makes resident onboarding, resident services, and ancillary revenue effortless for property managers. With over 275 passionate employees, we foster a culture of continuous improvement and customer obsession, aiming to create triple win experiences for residents, investors, and managers.
Own how money physically moves at Alt: ACH, RTP, wires, cards, stablecoin settlement, and the orchestration layer that routes between providers.
Build for 99.99% reliability on payment integrations, designing for retries, late returns, duplicate callbacks, and provider failover.
Shape the product consequences of payment rails, payout speed, risk controls, and high-value transaction safety across the marketplace.
Alt is unlocking the value of alternative assets, starting with the $5B trading-card market, by letting collectors buy, sell, vault, and finance their cards in one place. We are a remote-first team backed by leaders at Stripe, Coinbase, Seven Seven Six, and athletes like Tom Brady and Giannis Antetokounmpo.
Build and maintain a TypeScript monorepo including a Next.js web app, Expo mobile app, and Cloudflare Worker.
Manage a PostgreSQL + Prisma data model and background systems such as webhook handlers, queued messaging, and scheduled jobs.
Own security-sensitive paths and the AI layer, including LLM tool-calling over financial data and proactive insights.
GoFasti is a Talent-as-a-Service company that connects world-class developers and designers from Latin America with first-class companies around the globe. They make remote work remarkable and foster a culture of continuous learning, proactive communication, and strong attention to detail.
Design and build backend services in Rust for high-volume financial transactions with strong guarantees.
Own features end-to-end, from spec to production, and set technical direction for your area.
Integrate with external partners and improve engineering quality across observability and security.
MoonPay builds the operating system for value movement, enabling enterprises to fund, tokenize, trade, and spend digital assets. With top rankings in Fortune's Crypto 100 and Forbes' Best Startup Employers, they foster a high-velocity, high-accountability culture.
Own backend services and data pipelines powering Grader scans end-to-end, from ingestion to serving results at scale.
Strengthen platform reliability by reducing latency, improving uptime, and building observability, monitoring, and alerting.
Partner with Product-Led Growth and AI teams to evolve the platform toward AI-powered experiences.
This company develops AI-powered restaurant health assessment products, processing signals from sources like Google, Yelp, and menus. It is a remote-first, product-focused startup culture that emphasizes engineering ownership, reliability, and cross-functional collaboration.
Build and own backend services and APIs for policy, coverage, enrollment, and regional rules that scale to new markets.
Translate regional regulatory and product requirements into configurable, reusable platform capabilities.
Partner with Product, Design, Data Science, and Legal to prioritize high-impact work and drive data-informed improvements.
Airbnb is an online marketplace that connects hosts offering unique stays and experiences with guests seeking authentic travel. With over 5 million hosts and 2 billion guest arrivals, it values inclusion, belonging, and a fast-growing, collaborative culture.
Take deep ownership of systems and product areas, becoming the go-to technical expert for what you own.
Architect, build, and maintain highly available, scalable REST APIs and backend services across distributed systems.
Build agentically with AI coding tools, staying at the forefront of emerging AI tooling and practices.
Postscript is an AI messaging platform for Shopify brands, helping e-commerce marketers drive revenue through SMS marketing and AI features. Backed by Greylock and Y Combinator, the company has been fully remote since 2018 and serves 20,000+ Shopify brands with a culture of ownership and AI-first development.
Implement production backend features for payment flows.
Refactor legacy services, modernize APIs, and improve test coverage.
Collaborate with product managers and partner teams to deliver end-to-end solutions.
They build and operate scalable, revenue-critical payment infrastructure for modern fintech and billing systems. The organization works in a remote-first, contract-based model with a culture of agility, clean code, and async collaboration.
Design and build backend systems that are clean, testable, and efficient.
Architect scalable APIs and infrastructure for high-trust environments.
Own core systems end to end, and shape engineering practices and technical culture.
At Duna, we see the company as the second product we’re building and are continually working to create a transparent, ambitious culture. We are a remote-first, fast-moving team of builders backed by world-class investors, looking for exceptional people who love to create, build, and ship.
Design, build, and scale payment processor integrations, including retries and reconciliation.
Build user-facing features end-to-end, from database models to APIs to UI components.
Lead incident response and ensure PCI-DSS compliance, while using AI coding tools to accelerate development.
Practice Better is an all-in-one platform for health and wellness practitioners to run their businesses and care for clients. Founded in 2016, it is now a leading EHR platform trusted by tens of thousands of practitioners across 70+ countries, with a remote-first team based in Toronto.
Design, develop, and maintain the central API and backend services using Node.js and TypeScript.
Build fast, reliable services and design intuitive APIs and data models for excellent developer experience.
Take end-to-end ownership of projects, scaling existing products and validating new ideas through MVPs.
The company builds technology that helps hundreds of thousands of users understand and manage their finances. It is a small, ambitious product team with a remote-first, flexible, and asynchronous culture.
Design and build backend services in TypeScript for real-time and asynchronous risk decisioning.
Build and maintain event-driven workflows using queues, pub/sub, and cloud task infrastructure.
Provide technical leadership, mentorship, and own end-to-end delivery of projects from design to production.
Dave is a financial app that builds products to level the financial playing field, offering affordable, transparent access to liquidity for millions of Americans. A virtual-first company, Dave fosters a member-centric, transparent, and collaborative culture where Daves are empowered to do their best work.
Build and own the end-to-end credit product: underwriting, loan workflow, disbursement, and borrower experience.
Partner with data science to ship production decisioning and automated state machines for lending.
Drive disbursement reliability to 99% SLA and fix money-movement issues across ACH, RTP, and wires.
Alt is a platform for buying, selling, vaulting, and financing alternative assets, starting with the trading-card market. It is a remote-first company backed by leaders from Stripe, Coinbase, and pro athletes, focused on building credit products for collectors.
Lead high-impact, cross-functional projects spanning engineering, operations, compliance, and risk.
Define the technical architecture and experience of Mercury's Treasury product.
Own the product end-to-end, collaborating with product, design, and operations to ship thoughtful features.
Mercury is a fintech company that builds an investment platform to help startups safely put idle cash to work, blending institutional-grade treasury management with a modern banking experience. The team values diversity, quality, and care, and engineers manage billions in customer assets with a collaborative, product-minded culture.
Own products and systems end to end, from ambiguous customer problems through architecture, implementation, and launch.
Build reliable backend systems for real-time bidding, payments, vault workflows, and partner integrations.
Use AI deeply to prototype, build, and iterate, and own the quality of what ships.
Alt unlocks the value of alternative assets, starting with the $5B trading-card market, letting collectors buy, sell, vault, and finance their cards in one place. Backed by leaders from Stripe, Coinbase, and pro athletes, it's a remote-first startup focused on real-time pricing and AI-native workflows.
Design and operate backend systems collecting data on 400M+ creator profiles across major social platforms.
Build resilient infrastructure handling high-volume data, third-party APIs, and proxy networks at scale.
Own systems end-to-end, from architecture and deployment to monitoring and continuous improvement.
They build a large-scale creator data platform tracking 400M+ profiles across major social media. The culture is remote-first, async-oriented, and collaborative with substantial autonomy for senior engineers.
Build and operate reliable cloud services on AWS and Cloudflare, covering compute, storage, networking, and managed infrastructure.
Evolve the infrastructure that powers web applications and AI agents on Webflow Cloud, including CDN and edge computing.
Own features end-to-end, from customer problem through design, implementation, rollout, and ongoing improvement while using AI-assisted development practices.
Webflow is an agentic web marketing platform that helps modern marketing teams build, manage, and optimize high-performing web experiences. Webflow is a growing, privately held company that values grit, craft, quality, and equality, and offers a remote-first culture with comprehensive benefits.
Design, develop, and maintain scalable and secure backend services and APIs.
Collaborate with cross-functional teams including Product, Design, QA, and DevOps to deliver features end to end.
Mentor Middle and Junior engineers and drive engineering best practices.
Xsolla is a global commerce company helping video game developers fund, distribute, market, and monetize their games. It has helped over 1,500 developers worldwide grow their businesses and fosters a culture of creativity and collaboration.