Design, build, and operate backend services and workflows that provision customer accounts and activate product entitlements.
Own projects from technical design through release, observability, and production support.
Build reliable asynchronous workflows with safe retries, idempotency, and failure recovery.
Horizon3 builds NodeZero, an autonomous pentesting platform that helps organizations find, fix, and verify exploitable attack vectors. The remote team of former special ops operators and engineers values respect, collaboration, ownership, and results.
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.
Break down projects into tasks and deliver them in phases with your team.
Partner with product, design, and analytics to build scalable backend systems.
Monitor metrics, support on-call, and contribute to code reviews.
Affirm exists to give people a clear, predictable way to pay over time, with no hidden fees. It is a remote-first company that cares about employee well-being through comprehensive benefits and an inclusive culture.
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, develop, and launch backend systems and APIs at scale using Python or Kotlin.
Collaborate with product, design, and analytics to break down projects and deliver timely solutions.
Support operations by creating metrics, monitoring, and participating in on-call efforts.
Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without hidden fees. We are a remote-first company with a culture of transparency, flexibility, and inclusion.
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 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.
Design and implement backend components spanning APIs, serverless functions, distributed services, and data storage.
Contribute to architectural decisions and ensure security and data-protection best practices across systems.
Collaborate with technical leads and clients to gather requirements and deliver high-performing, reliable backend solutions.
Loka is a globally distributed tech consultancy based in Silicon Valley that specializes in generative AI and advanced technology solutions. The company has over 100 certified specialists, technical experts, and PhDs, and prides itself on a fully remote culture with local holidays and every other Friday off.
Build and evolve core components of a distributed transaction platform for secure cryptocurrency transfers.
Improve scalability, data integrity, and tenant isolation in a regulated environment.
Mentor engineers and take end-to-end ownership of production systems, including incident response.
They build a mission-critical transaction platform for secure cryptocurrency transfers between financial institutions, fintechs, and exchanges. The organization is remote-first, collaborative, and inclusive, with a strong focus on engineering quality and mentorship.
Design, develop, and maintain scalable back end services and APIs for Quanata's products.
Architect data flows, database schemas, and cloud infrastructure with a focus on reliability and security.
Mentor engineers and shape technical decisions across complex features from concept to deployment.
Quanata is a technology company in the State Farm family, building products and services for the financial and insurance sectors. It is a remote-first organization that values veterans, supports professional growth, and offers comprehensive benefits.
Design, build, and operate reliable backend services for customer onboarding and identity verification.
Collaborate with Product, Engineering, and external providers to improve automation and regulatory standards.
Contribute to scalable APIs and orchestration capabilities for KYC/KYB, identity verification, and compliance workflows.
Our partner is building and evolving backend infrastructure for secure, compliant financial services. They operate in an international, fast-growing environment with a hybrid or remote working approach.
Break down complex projects into tasks and deliver them in phases with your team.
Collaborate with product, design, and analytics to build scalable card experiences.
Support operations and on-call efforts, improving system reliability and availability.
Affirm is a financial technology company that offers clear, predictable pay-over-time solutions with no hidden fees. It is a remote-first company with a collaborative culture focused on transparency, flexibility, and employee well-being through comprehensive benefits.
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.
Build and operate systems for bank and card payments across Affirm’s international markets.
Collaborate with product, analytics, and engineering teams to solve challenges across currencies and customer needs.
Foster a culture of quality and ownership through code review, design standards, and mentoring.
Affirm provides a clear, predictable way to pay over time with no hidden fees. It is a remote-first company with a global team, emphasizing transparency and flexibility.
Build foundational platform services for AI products, including user management, authentication, permissions, and resource access.
Own full-stack features end to end, from backend APIs to customer-facing dashboards and internal tools.
Work remotely with technical autonomy, collaborating across engineering and product teams on scalable systems.
They build foundational systems that power a suite of innovative AI products used by millions worldwide. They are a high-growth, AI-first engineering organization with an autonomous, low-bureaucracy culture.
Build, deploy, operate, and scale production backend services supporting AI-powered developer tools, including MCP servers, agent skills, and AI assistants.
Own service architecture and infrastructure decisions, improving reliability, maintainability, scalability, and deployment processes.
Define and monitor SLOs, manage on-call incidents, and collaborate with platform, SRE, authentication, and edge functions teams to ensure operational excellence.
This partner company builds and operates backend infrastructure powering innovative AI-driven developer tools, including AI agents and MCP integrations. They foster a globally distributed, asynchronous engineering culture that values autonomy, open-source development, and continuous improvement.
Collaborate closely with engineers, product designers, and product to perform experiments and test new ideas
Build performant, design-centric, reusable and usable interfaces that solve complex needs
Take operational responsibility for the components that you write
Abacum is the leading Business Planning solution that automates reporting, collaboration, and forecasting for finance teams. We are a global team of 100+ people across 30+ nationalities, backed by over $100M in funding, with a culture of customer obsession and tough love.
Lead the technical strategy and delivery of Billing & Fees.
Architect reliable services for fee calculation, invoicing, and reconciliation.
Automate manual workflows to support scalable financial operations.
BVNK builds stablecoin infrastructure for instant cross-border payments. Backed by Visa and leading investors, its diverse team has been named a top global workplace for three years.
Work with customers to uncover problems and shape the product roadmap.
Build backend services in Go and Python that automate document-heavy construction workflows.
Own features end-to-end, ship quickly, and iterate based on real usage.
Scalera is an ETH Zurich spin-off building AI to automate document-heavy processes for the European construction industry. It's a small, flat team where engineers work directly with founders and take large ownership.
Lead a team of three backend developers to build and maintain integrations for payments, identity verification, and location services.
Design and own delivery of integrations from requirements to deployment, while guiding technical direction and mentoring engineers.
Improve existing integrations through testing, monitoring, and documentation, and participate in on-call rotation.
Fliff is a multinational sports gaming company with headquarters in Philadelphia and offices in New York, Austin, and Sofia. We are a close-knit, focused team that is welcoming, friendly, and diverse, with a lively and creative culture.