Backend Engineer

Riot

Backend Engineer developing Awareness features for cybersecurity training company. Building robust systems and organizing code to enhance user learning experiences.

Posted 5/20/2026full-timeParis • 🇫🇷 FranceJuniorMid-Level💰 €45,000 - €100,000 per yearWebsite

Tech Stack

Tools & technologies

Cyber SecurityElixirGoPythonRubySQL

About the role

Key responsibilities & impact

Ship new Awareness features end-to-end
Build robust systems that serve millions of learners and thousands of admin users reliably.
Organize the backend code base and shape the standards the team follows.
Research, pitch, and prototype solutions to hard problems

Requirements

What you’ll need

You're a doer. That's core to Riot's culture.
You have 2+ years of experience building backend applications in production.
You're comfortable working professionally with SQL and relational data modeling.
You're already using AI coding tools seriously.
You're a team player, eager to give feedback and happy to receive it as a learning opportunity.
You know how to prioritize to ship on time, speed of execution is key, without compromising quality.
You don't need to be a cybersecurity expert, but you need to be motivated by the mission.
Elixir/Phoenix experience is a plus, not a requirement — we've onboarded strong engineers from Ruby, Python, and Go backgrounds.
You're based in Paris or willing to relocate.

Benefits

Comp & perks

Join a financially healthy company. We're capital-efficient, and fundraising fuels our momentum rather than keeping the lights on.
Contribute to a fast-growing startup with a clear vision and clear business goals. We've tripled revenue over the past two years and plan to grow from €20M to €40M ARR in 2026.
Work alongside a team that takes AI adoption seriously — you'll have the tools, the budget, and the mandate to push the boundary of what's possible with AI-assisted engineering.
Experience the energy of a collaborative team in our modern and cosy office in the heart of Paris: République / Canal Saint-Martin.

ATS Keywords

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Hard Skills & Tools

backend developmentSQLrelational data modelingElixirPhoenixRubyPythonGoAI coding toolsproduction applications

Soft Skills

team playerfeedbackprioritizationspeed of executionquality focusdoerlearning opportunitymotivationcommunicationorganization