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.
Take technical ownership of merchant payment integrations, performance, and risk mitigation.
Root-cause complex integration issues hands-on using logs, traces, and API behavior.
Lead technical deep-dives, solution design, and quarterly reviews with merchant engineering stakeholders.
Primer is the unified infrastructure for global payments, giving finance and payments teams visibility and control to reduce complexity and capture more revenue from a single platform. Backed by leading investors, it's a remote-first Series C scaleup with a globally distributed team and a culture focused on impact and collaboration.
Build detection systems from scratch across TypeScript, Rust, and Python.
Investigate incidents hands-on, owning the fix from start to finish.
Partner with the payments team to build fraud controls into the core flow.
Venice is a consumer AI company built on privacy, free speech, and user sovereignty. We are a fast-growing team of unorthodox builders moving quickly in the world's hottest industry.
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.
Build real-time risk controls and decisioning systems for money movement products.
Develop signals and models to detect scams and abuse across the platform.
Establish technical foundations for a new, high-impact Trust & Safety function.
Phantom is on a mission to connect the world to the freedom of open markets, offering access to global markets that never close. With around 180 people, fully remote, and backed by a $150M Series C from top investors, Phantom fosters a culture of ownership and high agency.
Lead Bank Charter Readiness and regulatory programs across Fraud, Disputes, and Risk UX, translating expectations into work plans.
Own goal tracking, reporting, and operational quality reviews for Fraud and Disputes, including OKRs and dashboards.
Use data and AI to drive continuous improvement and build durable programs from zero to one.
Mercury is a fintech company building a complete financial stack for startups. It values diversity and belonging and is an Equal Employment Opportunity employer.
Take end-to-end ownership of product initiatives in Acquiring, from framing the problem to prototyping, shipping, and iterating on feedback.
Design and implement systems powering card and alternative payments, payment-facilitator layers, and ledger reporting.
Leverage AI tooling to ship faster and build reusable patterns that accelerate other teams.
Mews is a hospitality platform that helps hotels run smarter, move faster, and create better guest experiences. You'll join a global, fast-growing team of smart, curious people who value autonomy, ownership, and continuous learning.
Own fraud strategy and execution across application, transaction and account takeover fraud for Wealthsimple's card products.
Manage the card fraud loss budget as volumes grow, and guard against the fraud attacks that can blow a budget up.
Design, backtest, ship and tune detection rules, and set decision thresholds on ML risk scores.
Wealthsimple is Canada's leading financial innovator, offering a full suite of simple, sophisticated financial products across managed investing, do-it-yourself trading, cryptocurrency, tax filing, spending and saving. The company serves more than 4 million Canadians, holds over $155 billion in assets under administration, and is headquartered in Toronto with over 1,500 employees across North America.
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.
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 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.
Coordinate cross-functional fraud and abuse prevention workstreams across T&S, Engineering, Product, Legal, and Finance.
Convert abuse and fraud trends into defense measures, gain stakeholder buy-in, and drive projects to completion.
Leverage AI for early identification and triage of fraud and abuse risks, and define metrics for exposure and reporting.
GitLab is the intelligent orchestration platform for DevSecOps, helping organizations increase developer productivity, improve operational efficiency, and reduce security and compliance risk. With over 50 million registered users and trusted by more than 50% of the Fortune 100, GitLab fosters a high-performance culture driven by values and continuous knowledge exchange.
Own payment risk and compliance across subscription-based SaaS products and international markets.
Design and implement a consistent risk framework covering Europe, the United States, and future expansion markets.
Collaborate with payments, data, legal, and product teams to prevent fraud, manage disputes, and ensure card network compliance.
They provide subscription-based SaaS products and operate in international markets, with a focus on payment risk and compliance. They are a fast-growing, technology-driven company with an ambitious, international team and a culture of autonomy and innovation.
Make identity verification provider-agnostic, replacing tightly coupled solutions with a reusable service (mostly Ruby, some Go).
Improve KYC conversion by working across backend and web from started to submission.
Own web side of provider integrations: load SDKs, handle errors, and scale the React app.
We deliver Europe's leading finance workspace with banking at its core, augmented by financial tools. With 1,700 Qontoers serving over 750,000 customers across 8 European countries, we've been profitable since 2023 and foster a diverse, merit-based culture.
Design, build, and maintain scalable backend services for order routing, task allocation, fulfillment tracking, and shopper compensation.
Lead technical design for high-impact projects and improve fulfillment efficiency across marketplaces.
Ensure Tier-0 systems are reliable, incorporate AI-assisted tools, and mentor fellow engineers.
The company operates large-scale, real-time fulfillment operations across consumer and enterprise marketplaces. It is a remote-first organization with a collaborative, cross-functional engineering culture.
Design, build, and maintain third-party API integrations that power TRM's AI-native products and workflows.
Develop scalable integration infrastructure, shared services, and internal tooling for reliable data source connections.
Build robust APIs and backend services for high-volume, mission-critical product experiences.
TRM Labs provides AI-powered intelligence solutions that help public and private sector agencies investigate and disrupt crime. It is a Series C company with $220M in total funding, backed by leading investors, and operates as a distributed-first team with a high-velocity, ownership-driven culture.
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 integrations between Metronome and external billing, payments, marketplace, ERP, and CRM platforms.
Design reliable, event-driven systems for invoice delivery, payment workflows, and status sync with safe retries and reconciliation.
Participate in on-call rotation, lead incident response, and improve observability and automated repair across the systems.
Stripe is a financial infrastructure platform for businesses, helping millions of companies accept payments, grow revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead.
Own the payments P&L, risk strategy, bank and processor relationships, and operational infrastructure for high-risk merchants.
Lead underwriting, risk, payment operations, and partnerships while managing Visa/Mastercard monitoring programs.
Drive profitability through merchant pricing, chargeback prevention, and scalable operational processes.
Reign is the Autonomous Commerce Platform for DTC founders, unifying storefronts, checkout, payments, and operations into one AI-native platform. It is venture-backed with 8-figure ARR, growing 100%+ YoY, and led by experienced executives who have scaled companies from zero to unicorn status.
Develop and evolve high-performance microservices using Go for backend security and fraud prevention.
Implement scalable, resilient, observable services that process device integrity signals and prevent fraud.
Collaborate with security, architecture, and product teams to ensure reliable authentication and threat mitigation.
Experian is a global data and technology company that uses data to create opportunities for people and businesses. With 25,200 employees across 32 countries, it fosters a people-centric, inclusive culture recognized by awards like World's Best Workplaces 2025.