Senior Software Engineer, Backend

Flex is building the AI-native private bank for business owners, re-architecting the financial system for entrepreneurs. As a senior software engineer, you will work across the entire stack with a focus on back-end development, taking ownership of large features and driving the creation of financial products.

Responsibilities:

• Ownership over large domains and features related to card processing/issuing, and core ledgering of financial transactions
• Play a critical role in the development, design, and maintenance of Flex's platform and services
• Architect well thought-out services and data models that ensure Flex's continued growth
• Own problems end-to-end, thinking through everything from api contracts, data, scalability, security, observability, and metrics
• Lead by example and mentor engineers in all aspects of planning, development and testing
• Be a catalyst for driving best-in-class technology frameworks and tooling while staying engaged with the latest technology trends
• Be on call, with the expectation to ability to solve problems and find solutions for the servicing team

Requirements:

• Proficiency in NodeJS+Typescript and server design principles
• An understanding and interest in architectural patterns for highly available, scalable, low-latency, asynchronous systems
• Ability to hold yourself and the team to high standards
• Strong communication (written and verbal) and interpersonal skills
• Ability to provide in-depth evaluation of multiple technical directions and determine tradeoffs of each
• Strong propensity to make data-driven decisions on technical architecture and project prioritization
• Exposure to modular monoliths and micro-services along with the benefits and challenges they bring
• Experience with any cloud based provider like Google Cloud, AWS, or Azure
• Four or more years of relevant industry experience with a track record of shipping high-quality products and features at scale
• A strong work ethic and are ready to grind
• Have built and shipped a working project or product, ideally something complex