Platform Engineer

About us
Omniscient delivers real-time intelligence that helps organisations and leaders make better decisions, faster. Our platform brings together public and internal data to help corporates, investors and public institutions detect risks, understand shifts in their environment and act with greater confidence. Combining intuitive dashboards with AI-powered analysis, Omniscient turns complex, fast-moving signals into clear, actionable intelligence, from reputation monitoring and geopolitical developments to competitive positioning and narrative change. We help decision-makers track what matters across their ecosystem, benchmark against peers, and stay ahead of emerging threats and opportunities. The role We are hiring a platform engineer to own the foundations the rest of the team builds on: cloud infrastructure, reliability, security and cost. This is not a ticket-queue role. Infrastructure work comes in waves, and between them you ship back-end features with the software engineers. You need to enjoy writing code, not only configuring it. The role is broad by design. We need someone who builds reliably, thinks in systems, uses coding agents effectively, and helps the team ship faster without compromising quality. What you will do
• Cloud infrastructure. Terraform on Azure (primary) and AWS (scoped). Environments, networking in a hub-and-spoke topology, autoscaling for large data processing workloads.
• Reliability. Observability, SLOs, alerting that wakes the right person for the right reason, runbooks, incident response and post-mortems. Make on-call calm.
• Security. Identity and access, secrets, encryption, network security, vulnerability scanning in the pipelines, audit trails, pentests. Create agentic and scripted processes that keep improving our security posture. Own security for the company’s IT as well: accounts, devices, access when people join and leave.
• CI/CD. Keep pipelines green, fast and safe. Adapt them as the platform grows.
• Cost. Track spend by environment and by tenant, find the savings, and plan the next steps (containers, spot capacity, open-source alternatives) when they pay off.
• Back-end. Back-end code in C# and Python when that is where the work is.
• Architecture. Think about several approaches, ponder trade-offs, socialise decisions, document them. Choose patterns that fit the situation. Plan for scaling and resiliency. Make tomorrow work while delivering today.
• Production. You build it, you run it, and you help everyone else run theirs. You take your turn on call.
• Productivity. Use coding agents wisely, on infrastructure code and runbooks too. Write skills and routines. Automate what can be automated. Constantly strive to increase the productivity of the team. What we look for
• Production cloud. Hands-on experience running production cloud infrastructure with infrastructure as code (Terraform or equivalent), on Azure, AWS or GCP.
• Real coding ability. You write and review application code in C# or Python, or in TypeScript, Rust, Go or another statically typed language, and you script in Bash.
• Practical security. You have secured production systems, handled access and secrets, and lived through an incident.
• A builder at heart. You have a genuine passion for shipping slick products. Here, that means crafting a new form of executive intelligence.
• Agentic development. We are an AI-powered organisation, laser-focused and built around efficiency and agentic workflows. You already build with coding agents (Claude Code, Codex, Cursor or similar) and they are central to how you work. You keep learning, look for better ways, automate your own work and share with your peers. We want people with the same drive to build fast and efficiently.
• Fundamentals over framework years. With agents, we need fewer specialists in one tool and more people with sharp concepts and the appetite to learn. We do not need eight years in each of our frameworks.
• Fluent professional English. You work with colleagues and clients in English without friction. French is a plus, not a requirement.
• Paris. Based in Paris or ready to move, and in the office at least three days a week. We know it’s a lot, and we don’t expect you to know everything: equivalent technologies and experiences count too. But learn, be afraid of nothing, collaborate, and grow. And Claude is here to help. Desired character traits: autonomy, team player, fast learner, committed. How we work
• Make it happen. We are a startup. When something needs doing, we do it and learn what we need on the way. Everyone has a spike, everyone works across the stack, and “not my speciality” is not something we say.
• You build it, you run it. There is no separate ops team. Each of us owns observability, alerts and incidents for what we ship, and we share an on-call rotation across the working week. Our clients rely on Omniscient when they face a crisis: being down at that moment is not an option.
• No single point of failure. Every critical system is known by at least two people, with the access to match.
• Agents everywhere. We build with coding agents every day. We expect you to multiply yourself with them: write skills and routines, run loops, industrialise what works, and share it with the team. The essentials
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Location:
Paris, in the office at least three days a week
• Contract: permanent (CDI), full-time
• Languages: fluent English required, French a plus
• Start: as soon as possible