# Staff Software Engineer, Martech at Flex

- Company: Flex
- What the company does: Manage business spending in Africa with Flex Finance. Get real-time visibility, easy expense tracking, and control with web, mobile, and corporate cards.Try now. Backed by 500 Global.
- Company website: https://flexfinance.ai
- Type: Startups (AI role)
- Level: Senior
- Location: USA
- Work setup: On-site
- Posted: 2026-09-14
- Apply by: 2026-10-29
- Apply: https://job-boards.greenhouse.io/flex/jobs/4733795005
- Page: https://www.1752.vc/careers/jobs/flex-staff-software-engineer-martech/

## About the role

Flex is looking for a Staff Software Engineer to join our MarTech (Marketing Technology) team. This role involves spearheading the implementation of the platforms, services, and customer-facing web experiences that power how Flex finds, wins, and keeps customers.

## What they're looking for

- 8+ years of professional software development experience
- 6+ years of hands-on experience with Java
- 3+ years of experience with TypeScript
- 3+ years of experience with React (or React Native), including modern architectures and tooling in the React ecosystem (Hooks, Components, Context, state management)
- Excellent written and verbal communication skills, with experience in cross-functional collaboration — especially translating between marketing goals and engineering tradeoffs
- Proven experience building high-quality, high-performance web and mobile UIs to spec — including responsive, SEO-conscious, conversion-optimized pages

Tags: Engineering