Senior Back End Developer

🕒 May 22

🏢🏡 Paris – Hybrid

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 53%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Madbox

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2018

🎮 Gaming

💰 $16.5M Series A - MADBOX on 2019-10

Gaming

Madbox is an independent game studio that develops unique, accessible, and inclusive casual games for broad audiences. With offices in Paris, Barcelona, and Annecy, Madbox emphasizes small, cross-functional teams, a culture of ownership and trust, and hires across game design, development, art, and user acquisition to create games that reach millions of players.

📋 Description

• Design, build, and scale public-facing APIs in Go, hosted on GCP, serving millions of users with high availability and low latency. • Ensure backend reliability through comprehensive testing strategies and safe, rollout processes for API releases. • Monitor, troubleshoot, and optimize backend systems using Datadog, ensuring proactive reliability for player-facing services. • Collaborate with game teams, data engineers, and product managers to align technical solutions with business goals. • Contribute to and improve CI/CD pipelines — including GitHub Actions workflows with Terraform, and supporting Jenkins-based game pipelines alongside the dedicated owner. • Support the development and maintenance of internal tools and services in TypeScript/Node.js, hosted on AWS.

🎯 Requirements

• 5+ years of professional experience in backend development, with strong proficiency in Go and solid knowledge of TypeScript/Node.js, and familiarity with React for contributing to internal tool frontends. • Strong experience with MongoDB as a primary database. • Proven experience designing and operating scalable microservices and RESTful APIs, with a strong focus on performance and reliability. • Hands-on experience operating cloud infrastructure at scale, including managed services and networking. • GCP experience is preferred; AWS experience is also valuable. • Familiarity with CI/CD practices — Terraform and (GitHub Actions or Jenkins). • Comfortable working with observability tools, particularly Datadog. • Excellent communication skills; able to work in English in a cross-functional, international team.

🏖️ Benefits

• Flexible work arrangements • Professional development opportunities