高级软件工程师，卡授权
Senior Software Engineer, Card Authorization
Lithic 是一个现代的卡片发行和处理平台，帮助有抱负的金融公司构建支付的未来。
我们的基础设施为 100 多家创新客户运行卡片项目，从重新定义信用和数字银行的金融科技公司，到改变资金发放和支出管理的平台。Mercury、Flex 和 Novo 等公司依赖 Lithic 的开发者友好的 API、直接网络连接以及无瑕疵的对账功能，在几周内而非几年内推出并扩展卡片项目。
我们正在打造一个未来，让更好的金融产品显著改善人们的生活，摆脱 30 年前的大型机和遗留处理器的限制。我们自豪地获得世界级投资者的支持，这些投资者与我们有着相同的愿景，包括 Bessemer Venture Partners、Index Ventures、Spark Capital、Stripes 和 Mastercard，以及其他许多投资方。
我们在 26 个州和 7 个国家拥有 170 多名团队成员，总部位于纽约市。
我们正在招聘一名 **高级软件工程师** 加入 Lithic 的卡片授权团队，该团队负责实时系统，确保每张卡片的授权决策准确、可靠且快速。该团队还负责相关的欺诈工具，包括 Lithic 的规则引擎和 3D Secure 集成。你将全程负责高影响力项目，解决大规模分布式系统问题，并帮助构建客户用于控制欺诈和支付风险的工具。
#### **工作职责：**
- 编写可靠、安全、可扩展的代码，用于 Lithic 的实时授权和欺诈预防系统，尽量减少技术债务
- 构建面向客户的特性，如规则改进、流量控制、3DS 流程、欺诈工具和交易监控。从规划到发布全程负责项目
- 提升团队范围内的系统可靠性，并参与团队的值班轮班
- 带领团队内部系统和流程改进的工作
#### **任职资格：**
- 4 年以上构建生产环境后端系统的经验。全栈经验是加分项
- 有或希望学习 Rust；能够理解用其他编程语言（Python、Java）编写的 Lithic 系统
- 对利用 AI 工具提高生产力有兴趣和经验
- 能够应对模糊性，协调不同观点，并推动实用解决方案
- 有或有兴趣从事支付、金融科技、欺诈预防领域
- 擅长从零开始设计系统，并全程负责产品开发过程
- 强烈的责任心和自我驱动力
查看英文原文
Lithic is the modern card issuing and processing platform empowering ambitious financial companies to build the future of payments.
Our infrastructure powers card programs for 100+ innovative clients, from fintechs reimagining credit and digital banking to platforms transforming disbursements and spend management. Companies like Mercury, Flex, and Novo rely on Lithic's developer-friendly APIs, direct network connections, and flawless reconciliation to launch and scale card programs in weeks, not years.
We're building a future where access to better financial products materially improves people's lives, free from the constraints of 30-year-old mainframes and legacy processors. We're proud to be backed by world-class investors who share that vision, including Bessemer Venture Partners, Index Ventures, Spark Capital, Stripes, and Mastercard, along with many others.
We're a team of 170+ across 26 states and 7 countries, headquartered in New York City.
We are hiring a **Senior Software Engineer** for Lithic’s Card Authorization team, which owns the real-time systems that make every card authorization decision correct, reliable, and fast. The team also owns related fraud tooling, including Lithic’s Rules Engine and 3D Secure integration. You’ll own high-impact projects end-to-end, solve distributed-systems problems at scale, and help build the tools customers use to control fraud and payment risk.
#### **Job responsibilities:**
- Write reliable, secure, scalable code for Lithic’s real-time authorization and fraud-prevention systems with minimal tech debt
- Build customer-facing features, such as rules improvements, velocity controls, 3DS flows, fraud tooling, and transaction monitoring. Own projects from planning to launch.
- Improve the reliability of systems in team’s scope and participate in the team on-call rotation
- Lead efforts to improve systems and processes within the team
#### **Qualifications:**
- 4+ years building production backend systems. Full stack experience is a plus.
- Experience in or desire to learn Rust; ability to understand Lithic’s system written in other programming languages (Python, Java)
- Interest and experience in leveraging AI tools to enhance productivity
- Ability to navigate ambiguity, align diverse perspectives, and drive toward practical solutions
- Experience or interest in payments, fintech, fraud prevention.
- Comfort with designing systems from scratch and owning the product development process end-to-end
- Strong written communication skills and experience working in a remote, async-first team that’s spread across time zones
The annual US salary range for this role is $160,000 to $200,000 plus equity. This salary range may be inclusive of several career levels at Lithic and will be narrowed during the interview process based on the candidate’s experience and qualifications.
This is a remote position. However, candidates must be located in the United States, Canada (Ontario or British Columbia), Netherlands, Poland, or Czech Republic. We do not offer visa sponsorship or assistance.
**Crack the code**
A hidden code is tucked into this application. Find it and enter it below to continue.
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
#### Benefits for Full-Time US Employees:
- Unlimited PTO
- 12-weeks fully paid parental leave
- 4-Week Fully Paid Sabbatical (earned at your 5-year anniversary)
- Work From Anywhere: work from anywhere in the world 4-weeks each year
- 3% cashback on card purchases with your complimentary [Privacy.com](http://Privacy.com) employee account
- Health, vision, and dental insurance; HSA Contribution Match
- 401(k) match
- Voluntary Life Insurance and STD/LTD
NYC-based employees work from our SoHo office three days a week. Tuesdays and Thursdays are our core days, and you'll choose a third day that works for your schedule and team needs.
In-office employees receive:
- Commuter benefit
- Catered lunch every Tuesday and Thursday