Staff Software Engineer, Fullstack-MarTech

Company: Flex
Location: United States
Type: remote
Posted: Aug 21, 2026
Views: 3
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✨ AI Summary

Flex, a growth-stage NYC-based FinTech company focused on modernizing rent payments, is hiring a Staff Software Engineer for its MarTech team. This senior-level role requires deep fullstack expertise, with a typical expectation of 8+ years of experience. The tech stack centers on modern web technologies and marketing technology integrations, though specific languages are not listed. The position is based in the United States, with no salary or remote policy details provided.

Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2026 and paying rent on time is expensive, inflexible, and difficult. We’re here to change that! Flex enables our users to pay rent throughout the month on a schedule that better fits their finances and budget. Our mission is to empower as many renters as possible with flexibility over their most…

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About the Company

Name: Flex
Location: Not specified
Website: https://4dayweek.io

4dayweek.io is a job board dedicated to helping job seekers find roles at companies that offer a 4-day work week, 9-day fortnights, flexible schedules, and other reduced-hours policies. The platform lists thousands of jobs across various categories and locations, and verifies each company's schedule policy before listing. It also offers an optional Auto Apply feature (JobCopilot) that automatically applies to matching roles on behalf of users. The site features a database of 1,600+ companies offering reduced-hours and flexible schedules, with 737 of them having a verified 4-day work week policy.

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