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Senior Backend Engineer

Pi SecurityTel Aviv-Yafo, Tel Aviv District, IsraelNot specifiedFull-timeSeniority: Not specified

Posted 12 days ago · 0 applicants

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Willbi insight

The role in plain words

Must-have
  • At least 4 years of experience in software development
  • Python
  • FastAPI
  • Experience building with LLMs and RAG architectures
  • PostgreSQL
Nice-to-have
  • Temporal or similar distributed workflow engines

Extracted from the job description · kept up to date automatically

Who this suits

Full job description

Original listing · kept for reference

Tel Aviv, Israel

• Full-time

About The Position

We are Pi Security, founded by veterans from Tesla and Microsoft, redefining Application Security through autonomous AI agents and modern orchestration. Our platform connects to our customers' codebases and engineering tools, and deploys AI agents that autonomously find, prioritize, and remediate security issues - from code-level vulnerabilities to architectural design gaps. We are looking for a high-ambition engineer to join our team in Israel and take extreme ownership of a "zero legacy" stack (Python, FastAPI, Temporal, K8s, and Agentic AI).

As a key member of our backend team, you will act as a pragmatic builder who designs, builds, and operates the future of our platform from the ground up. We value a low-ego mindset and a passion for solving deep technical challenges in a fast-paced, collaborative environment.

Responsibilities

• Backend Development: Design and build high-performance services using Python, FastAPI, and asynchronous workers.

• AI Orchestration: Develop and maintain complex agent workflows, including RAG pipelines and autonomous orchestration.

• Infrastructure & DevOps: Own the full deployment lifecycle, including containerization and scaling workloads on Kubernetes (EKS).

• Workflow Management: Utilize Temporal to ensure durable and reliable workflow orchestration.

• Data Persistence: Manage PostgreSQL databases and write migrations using Drizzle ORM to support evolving platform needs.

• Engineering Culture: Lead architectural discussions, participate in deep-dive code reviews, and drive incident response.

Requirements

• At least 4 years of experience in software development.

• Python Expertise: Strong professional background with a focus on modern, asynchronous Python and FastAPI.

• AI Systems: Proven experience building with LLMs and RAG architectures, focusing on system design over simple prompting.

• Data Mastery: Strong command of relational databases, specifically PostgreSQL and modern ORMs like Drizzle.

• Problem Solver: A fast learner with outstanding problem-solving skills who thrives in a "zero legacy" environment.

• Team Player: A collaborative engineer with a focus on collective success and technical excellence.

Nice-to-Have

• Experience with Temporal or similar distributed workflow engines.

• Background in cybersecurity or application security products.

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Pi Security
Posted 12 days ago · 0 applicants
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