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Senior Software Engineer (Copy)

Symbiotic Security

Morning LaffitteHybrid3mo ago
Employment
Full-time
Seniority
Senior

About the role

🚀 About Symbiotic Security

🎯 Your Mission

  • Build and ship product features across our JavaScript/TypeScript stack (Node + React) for Symbiotic Code.
  • Contribute to performance, reliability, and overall system design as we scale.
  • Collaborate closely with Abir (Engineering Manager), Minh Thang (Tech lead) and Édouard (CTO) on technical and product decisions.
  • Work on diverse scopes: APIs, portal features, IDE experience, CLI workflows, and internal tooling.
  • Lead continuous improvement initiatives: code reviews, automated testing, CI quality gates, and release practices.
  • Offer technical guidance to the team and help raise the quality bar.

🌱 What You’ll Have Achieved


⚙️ Tech Stack & Environment

  • Languages: JavaScript / TypeScript (primary)
  • Frontend: React (portal / SaaS experience)
  • Backend: Node.js (TypeScript) for APIs and services
  • Testing: strong testing discipline (unit/integration, CI-driven)
  • Nice to have: Python, Bun, OpenTUI
  • Observability: logs / traces / monitoring (tooling in place; experience appreciated)

🧠 What We’re Looking For

🎓 Core Skills

  • Proven experience (typically 5+ years) as a software engineer delivering production systems.
  • Strong track record in TypeScript/JavaScript
  • Solid experience with React and Node.js (fullstack ownership)
  • Strong engineering fundamentals: system thinking, pragmatic architecture, clean code, and delivery discipline
  • Strong testing discipline and ability to design for maintainability

🎓 Appreciated

  • Experience designing and operating asynchronous/distributed systems
  • Observability / performance optimization / reliability mindset
  • Comfort using LLM tools (ChatGPT, Copilot, Claude) responsibly
  • Ability (and curiosity) to contribute to Python services when needed

💬 Soft Skills & Mindset

  • Early-stage startup mindset: autonomous, fast, impact-driven
  • Curious, rigorous, and eager to understand before acting
  • Strong communicator, collaborative, no ego
  • Capable of challenging ideas and defending opinions constructively
  • Product-oriented with a desire to build meaningful software
  • Work-life balance valued

🧩 Methodology & Culture

  • Agile organization (2-week sprints, continuous releases)
  • Systematic code reviews
  • Occasional pair programming
  • Mix of maintenance, new features, and R&D work
  • Monthly “Bug Day” (stress testing the product)
  • “Cool down period” planned for internal tech projects

👥 Team

  • Collaboration > hierarchy
  • Technically demanding but kind environment
  • No-ego culture
  • Strong product–tech alignment

💰 Compensation & Benefits

Hiring Process

  • Call with our Talent Acquisition - Blanche - 30 minutes
  • Meeting with our Engineering Manager - Abir - 45 minutes to 1 hour
  • Technical “case” (Algorithm live coding + System Design) + debrief — 2 hours
  • Culture fit - Meeting with the CTO and lunch with the team — 2 hours
  • Formal hiring proposal

Perks & benefits

  • Medical Insurance
  • Paid Time Off
  • Home Office Budget
  • Equity Compensation

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