Senior Platform & Cloud Engineer

Business At Work; Paris; Sur place; EUR 90 000 - 130 000; Plein temps

Avantages offerts par ce poste

Cloud cost optimization / FinOps

Multi-cloud infrastructure

DevOps culture and autonomy

Résumé du poste

Jus Mundi in Paris is seeking a Senior Platform & Cloud Engineer to build and operate our internal developer platform and scalable cloud infrastructure. You will own automation, CI/CD templates, and IaC modules, enabling engineering teams to ship faster, safer, and more autonomously.

You will manage multi-cloud environments (OVHcloud, AWS, Scaleway, Azure) and focus on cost optimization, security, and reliability while advancing developer experience at scale.

Qualifications

• 6+ years of professional experience in cloud infrastructure, platform engineering, or DevOps.
• Bachelor's degree in Computer Science or equivalent.
• Strong software engineering skills in Go and Python.
• Deep hands-on Kubernetes experience at cluster-operations level.
• Experience managing and optimizing database & search clusters.
• Strong platform automation: containers, orchestration, CI/CD, and IaC.
• Observability engineering with Prometheus/Grafana, logs, traces, metrics.
• Proficiency with AI-assisted engineering tools.
• Good English communication skills, able to lead technical discussions.
• Write-it-down culture and strong organizational abilities.
• Ability to give effective feedback and cross-team collaboration.
• Open to exploring new methods and technologies.
• Trustworthy with prior Tech Lead experience.

Responsabilités

• Build and operate internal developer platform to enable safe shipping.
• Design and run scalable, secure cloud infrastructure.
• Develop reusable platform components (CI/CD templates, IaC modules, observability services).
• Raise developer satisfaction with the platform.
• Work across multi-cloud providers and optimize costs.
• Ensure security and reliability of infrastructure.

Connaissances

Go

Python

Kubernetes

CI/CD

IaC

Observability

AI-assisted tools

English communication

Tech Lead

DevOps

Cloud infrastructure

Formation

Bachelor's degree in Computer Science or equivalent

Outils

Terraform

Ansible

GitLab

Vault

Nomad

Consul

Grafana

Prometheus

HAProxy

Cloudflare

OVHcloud

Scaleway

Elasticsearch

PostgreSQL

Vector

Zabbix

Datadog

Description du poste

About the Role

Jus Mundi is looking for a full-time Senior Platform & Cloud Engineer to join the team. We want you to be part of a team of passionate people who are always ready to help each other. This position is based in Paris with a very flexible remote working arrangement. In the EPD team (Engineering, Product and Design) department, your role will be to build, run, and evolve our internal developer platform and the scalable cloud infrastructure that powers it. You'll create paved paths, self-service tooling, and automation that enable engineering teams to ship faster, safer, and more autonomously, all while owning hands‑on cloud engineering across Kubernetes, multi‑cloud infrastructure, database and search clusters, security, reliability, and cost optimization. We take pride in our very open-minded approach to employees' contributions: your work will directly shape the future of Jus Mundi's service to the legal community worldwide.

Your mission at Jus Mundi

In one sentence: build and operate our internal developer platform so engineering teams ship safely and independently, while designing and running the scalable, secure, cost-efficient cloud infrastructure that powers our global legal-tech platform.

Platform / Developer Experience

• Deliver self-service golden paths for product teams
• Improve delivery performance across engineering teams
• Reduce toil and cognitive load for product engineers
• Build and own reusable platform components (CI/CD templates, IaC modules, observability-as-a-service...)
• Raise developer satisfaction with the platform

Cloud & Infrastructure

• Design and operate scalable, reliable multi-cloud infrastructure
• Manage and optimize Kubernetes clusters
• Operate, tune, and scale database & search clusters (Elasticsearch, PostgreSQL, etc.)
• Optimize cloud cost / FinOps
• Maintain and improve infrastructure security and reliability

Our Tech Stack

Here is a snippet of what technologies you will find at Jus Mundi: Cloud Providers: OVHcloud (main provider), AWS, Scaleway, Microsoft Azure IaC and CI/CD: Terraform, Ansible, GitLab Orchestration: HashiStack (Vault, Consul, Nomad) and experimenting with Kubernetes Databases: PostgreSQL, Elasticsearch, Redis, Neo4j, VictoriaMetrics Monitoring: Grafana, Prometheus, Vector, Zabbix, Datadog Network: HAProxy, Cloudflare Enterprise. But as we are explorers, we are open to new methods and technologies.

Preferred Experience and Skills

Must Have

• 6+ years of professional experience in cloud infrastructure, platform engineering, or DevOps, with a Bachelor's degree (BAC+3) in Computer Science or equivalent
• Strong software engineering skills (Go, Python...) with the ability to build developer-facing tools with usability, reliability, and adoption in mind
• Deep hands-on cloud infrastructure engineering Kubernetes experience at the cluster-operations level
• Experience managing and optimizing database & search clusters
• Strong platform automation skills: containers, orchestration, CI/CD, and IaC
• Observability engineering experience (Prometheus/Grafana, logs, traces, metrics)
• Proficiency in and regular use of AI-assisted engineering tools
• Good English communication skills (written and spoken); ability to moderate advanced technical discussions
• Write-it-down culture and strong organizational abilities
• Ability to give effective feedback and collaborate cross-team
• Openness to exploring new methods and technologies
• Trustworthy, with a track record as a technical leader (has held a Tech Lead position previously)

Plus:

• Experience in security-intensive environments and security-as-code
• Cloud cost optimization / FinOps experience
• Experience with platform capabilities for AI/ML workloads: inference serving, vector/search infrastructure, MLOps/LLMOps, GPU scheduling
• Experience with specific technologies: Scaleway, OVHcloud, AWS, Microsoft Azure, Cloudflare, Elasticsearch, HashiCorp Suite (Vault/Nomad/Consul)
• Business awareness: connects platform and infrastructure choices to cost, business, revenue, and UX
• Customer mindset toward internal developers
• Active in the tech community: meetups, open source, or sharing insights online