Senior Platform & Cloud Engineer

Jus Connect; Paris; Hybride; EUR 90 000 - 120 000; Plein temps

Avantages offerts par ce poste

Hybrid work

5 weeks vacation

Private health insurance 100%

Relocation assistance

Global remote up to 8 weeks

Résumé du poste

Jus Mundi is hiring a Senior Platform & Cloud Engineer in Paris to build and operate an internal developer platform and scalable cloud infrastructure powering our global legal-tech platform.

You will design self-service tooling, manage multi-cloud Kubernetes clusters, and optimize costs while ensuring security and reliability across teams. Hybrid work is offered with strong collaboration across engineering and product.

Qualifications

• 6+ years of professional experience in cloud infrastructure, platform engineering, or DevOps in a senior role.
• Strong Go and Python software engineering skills with developer tooling experience.
• Hands-on cloud infrastructure engineering across multi-cloud environments.
• Kubernetes cluster-operations experience.
• Experience optimizing database & search clusters.
• Platform automation skills: containers, CI/CD, IaC.
• Observability engineering experience (Prometheus/Grafana, logs, traces).
• Proficiency with AI-assisted engineering tools.
• Excellent written and spoken English; ability to lead technical discussions.

Responsabilités

• Build and operate the internal developer platform for scalable, secure cloud infra.
• Create self-service paths and tooling to accelerate product teams.
• Reduce toil and improve delivery performance across engineering teams.
• Own reusable platform components (CI/CD templates, IaC modules, observability).
• Ensure security, reliability, and cost optimization of infra.

Connaissances

Kubernetes

Go

Python

Cloud platforms

IaC

Observability

English

Formation

BAC+3 Computer Science

Outils

Terraform

Ansible

GitLab

Cloudflare

Description du poste

Senior Platform & Cloud Engineer

About

Founded in 2019 and recognized as a mission-led company, Jus Mundi is pioneering legal technology to power global justice through artificial intelligence. Headquartered in Paris, with additional offices in New York, London, and Singapore, Jus Mundi serves over 150,000 users, including top law firms, multinational corporations, government bodies, and academic institutions in more than 80 countries. By combining legal expertise with cutting-edge AI technology, we provide global legal intelligence, data-driven arbitration professional selection, and business development services.

What Makes Jus Mundi the Place to Be

• Our Values: With core values as Listen (Solve for the Legal Community), Iterate (Start Sharp, Stop Smart), Commit (Step In, Own the Outcome), Belong (Build together through diversity), Uphold (Aim for Justice with Integrity), we cultivate a dynamic environment that encourages collaboration, innovation, and continuous growth.
• Proven Product Market Fit: Jus Mundi has secured product-market fit in global markets since launch, partnering with top-tier law firms, government bodies, and major corporations, including Freshfields, Quinn Emanuel, Wong Partnership, Total Energies, Canada, UK, and Japan.
• Strategic Investment: We recently raised over $20 million in Series B funding from prominent strategic international investors, including Acton Capital, True Global Ventures, C4 Ventures, and FJ Labs, fueling our growth and innovation.
• Legal Meets Tech: Our engineers and former lawyers collaborate closely with large language models (LLMs) to pioneer the future of generative AI and reshape professional services.
• Exceptional Team: Work with talented professionals from industry leaders, including engineers, legal experts, and AI specialists from companies like Google and Amazon who are pushing the boundaries of legal tech.

Job Description

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

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

• Cloud Providers: OVHcloud (main provider), AWS, Scaleway, Microsoft Azure
• IaC and CI/CD: Terraform, Ansible, GitLab
• Orchestration: multiple Kubernetes clusters spread across different regions and environments
• Databases: PostgreSQL, Elasticsearch, Redis, Neo4j, VictoriaMetrics
• Monitoring: Grafana, Prometheus, Vector, Zabbix, Datadog
• Network: HAProxy, Cloudflare Enterprise

Preferred Experience

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)

This Is a 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

Recruitment Process

• Introductory Call with Laurine, Talent Manager (30 min)
• System Design Interview (1h30)
• Hiring Management Interview with Yohan, Head of Infra (45 min)
• Half-Day at the Office + Lunch or Afterwork
• Immersion with teams (1h30)
• Culture Interview (45 min)
• Team-Fit Meeting (45 min)
• Last call with Anna, VP People, or Jean-Rémi, CEO (30 min)

Benefits & Perks

• Enjoy a hybrid working organization that combines remote and on-site work (2 days).
• Get 5 weeks of vacation each year, and take them whenever it suits you.
• Receive 100% coverage of private health insurance for yourself and your children.
• Enjoy 60% company-funded restaurant vouchers for your weekday meals (Swile).
• Participate in company-wide summits called JM Fest to connect and inspire.
• Stay active with a co-financed ClassPass membership by accessing a variety of fitness and wellness activities.
• Enjoy the flexibility to work from anywhere across the globe for up to 8 weeks per year.
• Receive relocation assistance to help ease your transition to France.
• Last but not least: Experience a commitment to building a warm, inclusive, and diverse environment.

At Jus Mundi, we believe that diversity, equity, and inclusion are key to our success. Confidence can sometimes hold us back from applying for a job, but we'll let you in on a secret: there's no such thing as a 'perfect' candidate. We celebrate diverse backgrounds, experiences, and identities, and we encourage you to apply regardless of how you identify. Whether you're early in your career or a seasoned professional, your unique perspective and skills are what matter most. Join us in building a workplace where everyone feels valued, empowered, and excited to contribute their best work every day.

Additional Information

• Contract Type: Full-Time
• Location: Paris
• Experience: > 7 years
• Possible partial remote