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Sr. Backend Developer

IronScales

IronScales

Software Engineering
Tel Aviv-Yafo, Israel
Posted on Mar 9, 2026

Description

About IRONSCALES:

IRONSCALES is redefining email security with an AI-powered platform built to stop phishing and advanced email threats at scale. Our cloud-native solution detects, analyzes, and remediates attacks in real time, helping organizations stay ahead of constantly evolving cyber threats without slowing down their teams. We’re a fast-growing cybersecurity company driven by innovation, ownership, and a passion for solving hard problems. Our team builds cutting-edge technology used by organizations around the world to protect what matters most.

If you love building impactful products, solving complex challenges, and working with smart, driven people in a fast-paced startup environment- IRONSCALES is the place for you. Join us and help shape the future of email security🚀

Responsibilities:

  • Lead projects from inception to completion, ensuring full end-to-end ownership and accountability.
  • Build and maintain a high-performance and highly available platform and implement new features.
  • Assist in the strategic planning and development of future features, ensuring alignment with the overall product roadmap and company objectives.

Requirements

  • A minimum of 7 years of hands-on backend development experience, including at least 3-4 years with Python (Django/SqlAlchemy/FastAPI experience is an advantage).
  • Proven experience in the design and implementation of robust and scalable products, demonstrating a commitment to quality.
  • Proficiency with both SQL and NoSQL databases, including PostgreSQL and Redis (Elasticsearch is a plus).
  • Extensive experience with cloud platforms, preferably AWS
  • Experience in cloud architecture (with various managed services like SQS, SNS, EKS, SES, S3, etc)
  • Experience in writing services/systems from scratch
  • Demonstrated ability to manage requirements from the early phases through to full implementation, and Production responsibility; taking end-to-end ownership of projects.