Remote Software Engineer II - Fintech Payments

Remote; San Francisco (CA); Remote; USD 120,000 - 180,000; Full time

Job summary

Flex is building a finance super app for premium business owners, operating as a fully remote company. We’re looking for a Software Engineer II to power financial services features, including payments and credit, with a focus on reliable, maintainable code inside a regulated environment.

You’ll own medium-sized features end-to-end, collaborate with engineers and product teammates, and ship frequently (production three to five times per week).

Qualifications

• Have strong fundamentals in software development and ability to work effectively within established systems
• Product sense—you think about the user impact and business value of your work
• Ability to take responsibility for the maintenance and quality of what you build
• Experience with financial services, regulated industries, or handling sensitive data is a plus but not required
• Ability to research and proactively solve problems, bring solutions to the table
• English proficiency
• A strong work ethic

Responsibilities

• Own the full lifecycle of medium-sized features and tasks across our product stack
• Build user-facing features, internal tools, APIs, and backend services
• Write clear, maintainable, and tested code that you'll be responsible for long-term
• Participate in code reviews and provide timely feedback to teammates
• Build features with the end product and user in mind, not just the code
• Reason carefully about how your work extends in service of larger product needs
• Build upon systems and features that others depend on
• Balance speed with reliability and compliance in a regulated environment
• Collaborate with other engineers and product team members to deliver high-impact work

Job description

Flex is building a finance super app for premium business owners, operating as a fully remote company. We’re looking for a Software Engineer II to power financial services features, including payments and credit, with a focus on reliable, maintainable code inside a regulated environment.

You’ll own medium-sized features end-to-end, collaborate with engineers and product teammates, and ship frequently (production three to five times per week).