Careers at Flash Growing

BUILD THE SYSTEMS OTHER COMPANIES RUN ON.

We are a small, senior, fully remote team. No layers, no theatre, no meetings that could have been a pull request. You ship real systems for real businesses, with people who care about clean code as much as you do.

Why work here

Small team. Senior people. Real ownership.

/01

Remote by design.

Work from anywhere. We plan around outcomes and a few overlapping hours, not a time clock.

/02

Clean code is the culture.

Every line is reviewed, every feature is tested, every system is documented. You will never be asked to ship a hack and move on.

/03

Your work is visible.

What you build goes live for clients within weeks, and you see the numbers it moves.

/04

Room to grow.

You shape architecture, tooling and process. Senior today, lead when you are ready.

Open role

Senior Backend Developer

  • Remote, worldwide
  • Full time
  • Senior · 5+ years
  • English, working proficiency

The mission

You will own the backend of the systems we build for clients: growth platforms, automation pipelines, AI agents and SaaS products. You design the architecture, write most of the code, set the standard for the rest of the team, and make sure what ships is fast, observable and safe to change.

What you will do

  • Design and build APIs, services and data models for SaaS and automation products
  • Integrate third-party platforms: CRMs, payment providers, messaging, ad and analytics APIs
  • Build reliable automation pipelines and AI agent workflows with monitoring and fallbacks
  • Own databases, performance, security and deployment on cloud or VPS infrastructure
  • Review code, mentor developers and keep the codebase clean as it grows
  • Work directly with founders and clients to turn business goals into technical plans

What you bring

  • 5+ years building production backends, with at least one system you ran end to end
  • Deep experience in Node.js and TypeScript, or Python, plus the willingness to use the right tool
  • Strong SQL and data modelling (PostgreSQL preferred), plus caching and queues
  • Comfort with Docker, CI/CD, Linux servers and at least one cloud provider
  • Experience with REST and webhooks; GraphQL, event-driven or LLM integrations are a plus
  • Habit of writing tests, clear commits and documentation without being asked
  • Clear written communication, and the judgement to push back when something is wrong

Nice to have

  • Experience with n8n, Make or Zapier at scale, or building similar pipelines in code
  • Mobile backend experience: subscriptions, push, App Store and RevenueCat integrations
  • Shipped a SaaS product or an open-source project people use

What we offer

  • Fully remote, flexible hours, async by default
  • Competitive salary in USD, paid monthly, based on experience and location
  • Hardware budget and paid tools, courses and conferences
  • Direct impact: no middle layers between you and the product

Hiring process

  1. Apply by email with your CV. One week to hear back, always.
  2. Intro call of 30 minutes with a founder.
  3. Technical conversation about a system you have built, plus a short paid task.
  4. Offer. The whole process takes under two weeks.

Apply

SEND US YOUR CV.

Email your CV to [email protected] with the subject line "Senior Backend Developer". Add a few lines about a system you built and are proud of, and links to GitHub or anything live. No cover letter needed.

  • Email[email protected]
  • SubjectSenior Backend Developer
  • Replywithin one week, every applicant

Checklist

  • Your CV as PDF
  • GitHub, portfolio or links to live work
  • A few lines on a system you built end to end
  • Your location and time zone
  • Earliest start date
EMAIL YOUR CV

Opens your mail app with the subject filled in. Attach your CV and send.