Design, build, and run backend services for stablecoin payments including deposits, withdrawals, and on/off ramps.
Integrate with partners for wallets, virtual accounts, and stablecoin orchestration while connecting to existing banking, ledger, and payments systems.
Own work from design through launch and production support, working closely with product, design, compliance, and business development.
Design, build, test, and deploy backend features across payments, fraud, compliance, and user management
Integrate with banks, card networks, and third-party services, handling the edge cases money movement demands
Write and review technical designs and participate in architecture discussions for distributed, event-driven systems
Astra builds mission-critical infrastructure for moving money at scale, processing billions in annual transaction volume. They are a small, remote-first team with a culture of thoughtful collaboration and initiative.
Design and build core platform components for correctness under failure and regulatory auditability.
Scale the platform to handle growing transaction volume while maintaining low latency and database health.
Mentor engineers and collaborate with cross-functional teams to turn compliance needs into production-grade software.
Notabene integrates crypto into the everyday economy by providing tools that reduce transaction risk and make crypto transfers safe. We work across three continents in eight countries, serving over 100 customers including financial institutions and exchanges, and are backed by investors like Y Combinator and Jump Capital.
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.
Splash brings people and communities together through the gamification of live sports and events. We're a small, quickly growing, remote-first team that loves sports and tech startups.
Build and scale the systems and services powering Alpaca's global payments and treasury platform.
Design highly scalable, event-driven microservices using Go, Kubernetes, and cloud-native technologies.
Ensure system integrity and operational scalability while collaborating with a distributed engineering team.
Alpaca builds institutional-grade APIs for trading stocks, ETFs, options, crypto, and more. They are a 400+ person remote-first team valuing curiosity, empathy, and accountability.
Develop core backend infrastructure for blockchain execution and Ethereum scaling.
Tackle distributed systems challenges involving reliability, performance, and scalability.
Strengthen security and drive projects from investigation through implementation.
They build foundational infrastructure for Ethereum scalability, security, and decentralized applications. They are a remote-first, globally distributed team collaborating across research, product, and blockchain engineering.
Design, build, deploy, and maintain robust backend systems for payment dispute management and fraud prevention.
Integrate payment service providers and fraud prevention platforms like Riskified, Forter, Signifyd, and Sift.
Mentor engineers, establish engineering practices, and ensure high standards of quality, reliability, and monitoring.
An innovative global payments technology company building infrastructure that helps businesses simplify payment operations, optimize performance, and protect revenue. It operates as a fully remote, globally distributed organization with a collaborative culture.
Design and implement core backend services for high-performance, distributed payment systems.
Take ownership of architectural decisions, balancing scalability, reliability, and maintainability.
Collaborate with cross-functional teams to improve developer experience through testing, code reviews, and documentation.
The company builds payment infrastructure that lets businesses manage payments efficiently across international markets. It is a globally distributed, product-driven engineering team that values collaboration, engineering excellence, and long-term growth.
Design, develop, and maintain scalable backend services and APIs for policy management and enrollment workflows.
Collaborate with Product, Data Science, Legal, and engineering teams to translate requirements into technical solutions.
Implement monitoring, logging, and experimentation capabilities to ensure reliability and support data-driven decisions.
This partner company builds backend infrastructure that powers insurance and protection products across global markets with a growing engineering team. It offers remote work flexibility, cross-functional collaboration, and an inclusive workplace.
Build and maintain scalable backend payment flows (charges, refunds, disputes, webhooks) using Java, Kotlin, and Python.
Design and implement RESTful/GraphQL APIs, microservices, and event-driven systems for high-concurrency, revenue-critical platforms.
Refactor legacy codebases, improve test coverage, and participate in Agile ceremonies and CI/CD via GitLab.
Inallmedia.com is a global technology and design firm focused on building impactful digital solutions through remote, distributed teams. They partner with international clients across industries, providing long-term technical expertise, product innovation, and team augmentation.
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.
Own accounting integration projects from problem definition through launch and iteration.
Build reliable, scalable backend services for accounting and financial workflows.
Partner with Product, Design, Operations, Compliance, and external providers on complex initiatives.
A fintech engineering team building and scaling financial products and backend platform capabilities. The culture values reliability, collaboration, and working through ambiguity in a fast-paced, high-growth environment.
Lead technical design and delivery of scalable banking features for a seamless mobile experience.
Set architectural standards for code quality, performance, security, and reliability across services.
Mentor engineers and partner with product, design, risk, and compliance to ship high-quality software.
OnePay is an all-in-one consumer fintech platform offering banking, savings, credit, lending, investing, and crypto. It's a fast-moving, mission-driven company backed by Walmart and Ribbit Capital, with a low-ego, inclusive culture.
Lead product management for stablecoin infrastructure, shaping the strategic roadmap and driving hands-on execution.
Partner with Engineering, Finance, and commercial teams to improve pricing, onboarding, and operational workflows.
Build and develop a high-leverage product team while retaining direct ownership of key initiatives.
Brale is an infrastructure layer that helps clients launch, manage, and use stablecoins in everyday applications, supporting payments, embedded finance, and financial institutions. It is a regulated fintech with a fast-moving, low-bureaucracy, low-ego remote team.
Own customer payment investigations across multiple fiat rails and blockchains.
Trace payments from API call through internal systems to resolution.
Communicate findings clearly to customers, banks, and engineers.
Caliza provides commercial banking infrastructure and API for cross-border payments, holding USD accounts, and converting between fiat and stablecoins. The team has built financial infrastructure at companies like Visa, Nubank, and Flutterwave, and is backed by prominent investors.
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.
Build agentic payment infrastructure using Python and FastAPI.
Design APIs and domain models for card enrollment and token provisioning.
Ensure security, reliability, and observability for critical payment systems.
VGS builds trust infrastructure for a new era of commerce, specializing in payment tokenization. They store over 9 billion tokens and process 10 billion monthly interactions, with a culture of ownership and collaboration.
Deeply research new cryptoassets and integrate them into Anchorage Digital's platform.
Implement participatory features like staking, governance, and vesting.
Develop infrastructure that scales across all crypto-networks and support assets through upgrades.
Anchorage Digital is a crypto platform that enables institutions to participate in digital assets through custody, staking, trading, governance, settlement, and security infrastructure. With a diverse team of over 600 members, they are united in building the future of finance, and are committed to being a welcoming and inclusive workplace.
Design, develop, and maintain reliable backend services and APIs for a fraud prevention and financial crime risk platform.
Collaborate with product teams and stakeholders to deliver secure, scalable, and customer-focused solutions.
Contribute to technical roadmaps, engineering standards, and documentation while working remotely in India.
The company operates a technology platform focused on fraud prevention and financial crime risk management. It is a growing, remote-first organization that values ownership, technical excellence, and meaningful customer impact.
Design, build, and maintain robust backend services and APIs at scale.
Collaborate with stakeholders to architect and deliver new services from inception to completion.
Work with engineering and product teams to shape roadmaps and uphold high engineering standards.
Sardine is the leading agentic risk platform for fighting financial crime, providing real-time fraud prevention and AML automation. The company is remote-first and values performance over hours, with a culture of self-motivated, high-growth individuals.
Design and build core quote-generation and pricing engines for cross-chain transactions.
Integrate with decentralized exchanges and aggregators like Uniswap, 1inch, and LiFi.
Own end-to-end transaction pipelines from deposit detection to settlement, ensuring reliability and observability.
The company builds blockchain infrastructure for fast, reliable cross-chain transactions. It operates in a remote-first environment with a focus on collaboration, flexibility, and high-impact engineering.