Sr. Full Stack Developer

Description

IRONSCALES is redefining email security with an AI-powered platform built to stop phishing and advanced email cyber 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 🚀

As a Full Stack Developer, you will play a pivotal role in both frontend and backend development.

You will own features end-to-end, from product requirements through backend logic, API design, and frontend UI, on our ML/AI-based IRONSCALES platform. Collaborate with UI/UX Designers, Product Managers, and Software Engineers to deliver compelling user-facing products while owning deployment and optimization of production code.

Furthermore, you will join our growing R&D team and be part of shaping how we build, not just what we build. Beyond delivering features, you will help evolve our development culture: improving our SDLC, integrating AI-assisted workflows and tooling, and building the kind of engineering environment where great software ships faster and with higher quality.

Core Responsibilities: 

·      Innovate and evolve IRONSCALES’ cutting-edge AI-powered Email security platform 

·      Collaborate with Product and Engineering teams to understand roadmap priorities 

·      Carry feature requirements from early phase to full implementation, from product spec through code, tests, and deployment

·      Design and develop new capabilities in a dynamic and changing environment 

·      Build a high-performance and highly available platform and design new prototypes 

·      Write frontend code using React, TypeScript, shadcn, and Tailwind CSS

·      Write Python code focused on scalability, testability, supportability and maintainability. 

·      Write and maintain E2E tests using Playwright alongside unit tests and backend tests

·      Participate in architecture, code, security and operational reviews 

·      Design and build highly available and scalable platform UI API 

·      Assist in strategic planning of future features  

·      Develop the User Interface using responsive and adaptive web development strategies to support different screen resolutions (including mobile) 

·      Utilize and contribute to our core UI libraries 

Requirements

·      8+ years of experience with Full Stack development using React and Python 

·      Strong proficiency with TypeScript

·      Experience with React and modern data-fetching patterns

·      Solid Python experience — Django or Litestar/FastAPI; async Python a strong plus

·      Experience writing E2E tests and integrating them into CI pipelines

·      Experience driving technical design decisions for highly scalable systems

·      Experience developing Database solutions (PostgreSQL/Cassandra - advantage) 

·      Operating services and infrastructure in Cloud environments (AWS - advantage) 

·      Experience with component-driven development

·      Passion for solving complex problems that haven't been solved before

·      High proficiency with HTML, CSS, JavaScript, DOM, and its core principles

·      High proficiency with RESTful APIs

·      Experience designing frontend software architecture

·      Understanding of SOLID principles

·      Ability to carry requirements from early phases to full implementation

·      Good self-management, analytical, and problem-solving skill