Flex is building a finance super app for business owners — reimagining every single aspect of the financial workflow and financial services for any entrepreneur. The company has grown revenue 25x+ since publicly launching in September 2023 and is on track to achieve profitability by early 2025. Flex is focused on mid-market businesses ($3 - $100M revenue) that are largely overlooked by existing fintech solutions and reliant on slow and outdated regional banks. We are targeting a ~$1T revenue opportunity that is largely up for grabs.

Flex is a fully remote company and this role can be performed from anywhere.

The Role

We are looking for engineers who are excited to be part of our early story and help us build a diverse and vibrant company. As a senior software engineer you will have the opportunity to work across the entire stack with a focus on the back-end. You will have the opportunity to learn and drive the creation of financial products and experiences to help our customers reach their full potential. You should have a strong sense of ownership and enjoy taking projects from inception to release. As an early employee, you’ll be working with a nimble team of committed and talented engineers and having a large, long-term impact on technical design and engineering culture.

We are open to candidates from Canada, the United States, and Colombia.

What You’ll Do

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

What You Need

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

Interested? We'd love to hear from you

At Flex, we value passion, determination, and honesty. Even if you don't fully match the job specifics, we encourage you to apply. Unusual career paths and unique skills can help you stand out. We believe diversity drives our success. Join us at jobs@flex.one

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