Platform Engineer Senior (H/F/N) - CDI - Paris

Kraken

OPENING FROM KRAKEN TECHNOLOGIES FRANCE 🇫🇷 - ALL LOCATIONS Help us use technology to make a big green dent in the universe!   Kraken powers some of the most innovative global developments in energy.   We’re a technology company focused on creating a smart, sustainable energy system. From optimising renewable generation, creating a more intelligent grid and enabling utilities to provide excellent customer experiences, our operating system for energy is transforming the industry around the world in a way that benefits everyone.   It’s a really exciting time in energy. Help us make a real impact on shaping a better, more sustainable future.   Kraken Customer   What we do: build the most AI-driven, innovative, forward-thinking platform for energy management. From optimizing resources to delivering cost-effective, exceptional customer experiences through advanced Customer Information Systems (CIS), billing, meter data management, CRM, and AI-driven communications, Kraken is powering the next wave of innovation in the energy industry.   Why we do it: future energy will not look like energy as we know it today. We need to not just think about our future, but build for it. Now.   Our mission is to provide cheaper, greener energy to the French market.   Octopus Energy France is a fast-growing energy company recognized as an ESS (social economy). **We offer a better experience to our customers through transparency, honesty and simplicity. We want to do better for the planet, through real, long-term investment in renewable energy production and a low-CO2 future that's better for our customers' wallets. We want to revolutionize the energy business through our people, our platform and our use of data.   Our focus is on customer satisfaction, and receiving positive reviews is important to us - we have the best score among French energy suppliers on Google Reviews and Trust Pilot.   Kraken technologies   Kraken Technologies is a company within Octopus Energy Group who are licensing the Kraken platform and operating model to clients across the world. Current clients are both the Octopus Energy retails businesses around the world as well as external clients such as Good Energy, Origin, EDF, E.ON & Queensland Energy - with many more expected to join over the next few years!   Our team   All technology is written and maintained by a multi-discipline engineering team of around 450 people globally. This includes server-side, client-side and mobile engineers working closely with UX experts, copywriters and designers. We follow a Kanban-like approach, using Google docs and Asana to specify and manage work; Github, CircleCI and Terraform Enterprise as part of an immutable-infrastructure, continuous delivery pipeline; and Loggly, Sentry and Cloudwatch to measure performance and monitor production. Some of our coding conventions are open-source. Octopus is a great place to learn, work with some talented engineers and level-up your skills.   Our technology   On the server-side, we mainly use Python. Most of our websites are powered by Django and the Django-REST-framework. We also use Pandas, Numpy and Jupyter for analysis and forecasting, plus Celery, RabbitMQ, SQS and Airflow for background processing.   We use AWS heavily, employing most of the "Hashistack" (eg Packer, Consul, Terraform) as part of a continuous deployment pipeline. See, for example, Django, ELB health checks and continuous delivery.   Client-side, we use React, Redux and SASS; our mobile apps are built using native code or React Native.  

Doctolib

YOUR IMPACT We are looking for a Senior MLOps Engineer to join the Panda Team (Data & ML Operations) in Data & AI Platform team. Your mission will be to build and maintain secure ML pipelines in production, transforming how we handle healthcare data at scale. You will work in a feature team developing critical data infrastructure that enables data-driven decision-making while protecting patient privacy across millions of users. Working in the tech team at Doctolib means building innovative products and features to improve the daily lives of care teams and patients. WHAT YOU'LL BUILD Your responsibilities include but are not limited to: * Design and implement end-to-end ML model pipelines in production (LLM and custom models) with robust deployment, evaluation, and monitoring frameworks * Own data pseudo-anonymization architecture within ingestion services, converting Tier 0 (personal identifiers) to Tier 1 (anonymized data) while ensuring data quality and model performance * Build and maintain secure data export services with ML-based threat detection to prevent attack vectors (SQL injection, etc.) using adaptive models rather than manual rules * Manage golden datasets and implement production model evaluation frameworks to ensure anonymization quality and system reliability * Build and maintain data pipelines that efficiently extract, transform, and load data from various sources, handling multiple data formats (text, images, audio, video) * Implement automation and orchestration tools using ML orchestration platforms (MLflow, Braintrust, or similar) to streamline infrastructure provisioning and reduce manual effort * Monitor data and ML platforms for performance, reliability, and security; identify and troubleshoot issues proactively * Mentor team members on MLOps expertise and best practices to reduce knowledge silos and build organizational capability LIFE AT DOCTOLIB TECH * Our solutions are built on a single fully cloud-native platform that supports web and mobile app interfaces, multiple languages, and is adapted to country and healthcare specialty requirements. * Our stack is composed of Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native. * We leverage AI ethically across our products to empower patients and health professionals. Discover our AI vision here. Want to learn more about our tech culture and environment? Visit the Doctolib Tech site. WHAT YOU'LL BRING Before you read on: if you don't have the exact profile described below, but you feel this job description matches your skill set, we still encourage you to apply. You'll be a great fit if you: * You have at least 7+ years as an MLOps Engineer or ML Platform Engineer with proven production model lifecycle management experience * You have expert-level experience with ML orchestration tools (MLflow, Braintrust, or similar) for batch processing and inference pipelines * You have a strong Site Reliability Engineering (SRE) foundation with focus on operations excellence, reliability, and observability * You have expertise in Python for automation and ML pipeline scripting * You have strong proficiency with infrastructure-as-code tools such as Terraform and container orchestration (Kubernetes) * You have experience with model evaluation frameworks and golden dataset management * You have a solid understanding of cloud infrastructure (preferably GCP, AWS, or Azure) * You have excellent problem-solving skills with focus on identifying and resolving infrastructure bottlenecks * You are fluent in English It would be fantastic if you: * Have production LLM or custom model deployment experience * Have knowledge of data security and privacy frameworks (GDPR, data anonymization, pseudonymization) * Have experience building and monitoring security services and threat detection systems * Have strong communication and mentoring skills to drive knowledge transfer across teams WHAT WE OFFER * Free comprehensive health insurance for you and your children * 25 days of paid vacation per year, plus up to 14 days of RTT * Free mental health and coaching services through our partner Moka.care * Work from abroad for up to 10 days per year thanks to our flexibility days policy * Lunch vouchers (Swile card) worth €8.50 per working day, with €4.50 covered by Doctolib * A subsidy from the work council to refund part of the membership to a sport club or a creative class * 50% reimbursement of your public transport subscription * Parent Care Program: receive one additional month of leave on top of the legal parental leave * For caregivers and workers with disabilities, a package including an adaptation of the remote policy, extra days off for medical reasons, and psychological support * Relocation support in case of international mobility * Access to the best AI tools for coding, development and dedicated training OUR INTERVIEW PROCESS * Recruiter Interview * Technical Case Study Interview  * System Design Interview  * Behavioral Interview * At least one reference check We want your experience to be clear, respectful, and transparent. Learn more about our hiring process on our candidate experience page. JOB DETAILS * Permanent position (CDI) * Tech stack: Python * Full-time * Nantes & Paris (Hybrid Policy: 2 days remote / week) * Start date: as soon as possible WE WELCOME EVERYONE At Doctolib, we are committed to improving access to healthcare for everyone. This translates into our recruitment process. We evaluate candidates based solely on qualifications and motivation, without any form of discrimination. The more diverse ideas are heard, the more our product will truly improve healthcare for all. You are welcome to apply to Doctolib, regardless of your gender, religion, age, sexual orientation, ethnicity, or disability. To ensure equal opportunities, we invite you to exclude personal information (e.g., pictures, age) from your applications. If you require any accommodation, please let us know for support during the hiring process. Join us in building the healthcare we all dream of! YOUR DATA PRIVACY All information provided is processed by Doctolib for application management. For data processing details, click here: France. Please contact hr.dataprivacy(at)doctolib.com for inquiries or to exercise your rights.

Deezer

LIVE THE MUSIC WITH US From a pioneer tech start-up created in 2007, Deezer has become one of the first French unicorns and the second largest independent music streaming platform in the world. At eighteen years old, we’re only just coming of age. Now listed on #EuroNext, Deezer is a rapidly-growing, cutting-edge player in the music streaming market. If you want an environment where you can make your voice heard and be at the forefront of music and tech, look no further! We believe music is all about embracing the things that make us different. Deezer is a vibrant community that celebrates uniqueness, diversity and individuality, and thrives on collaboration. Our international and passionate teams pride themselves on being at the forefront of the music experience, going beyond streaming and helping the world to Live the Music. We’re constantly evolving alongside our customers, partners, artists and employees — striving to make Deezer the most personal and innovative streaming service in the world. Ready for an electrifying journey? Apply now and do your part in bringing extraordinary music experiences to people’s lives! **Join Us** JOB DESCRIPTION Position based in Paris As a Senior Expert Platform Engineer in the DevXP team, you will shape our Internal Developer Platform (IDP). You will drive platform strategy, architecture, and execution to help engineers ship faster, safer, and with higher quality. A key part of your role will be to actively collect needs and best practices from engineering teams, turning those insights into relevant, well-grounded platform solutions. You will set engineering standards along with senior engineers from the whole company, mentor peers, and bridge platform engineering with AI and cybersecurity. Responsibilities * Platform Engineering - Architect and evolve the IDP, CI/CD pipelines, and automation frameworks. Own the long-term technical vision, define platform standards (IaC, GitOps), and select best-in-class tooling across build, deployment, monitoring, and security. * Developer Experience - Proactively identify and eliminate friction across the software lifecycle. Track DX metrics (DORA, SPACE) and use data to prioritize platform investments. Be the internal advocate for developers. * AI-Augmented Platform - Integrate AI capabilities into the platform (intelligent code review, anomaly detection, smart test generation). Evaluate and operationalize AI tools (GitHub Copilot, LLM-based assistants) and explore agentic automation to reduce developer toil. * Security & Compliance - Embed security-by-design into every platform layer: secure CI/CD (SAST, DAST, SCA, secret scanning), supply chain integrity (SLSA, SBOM), and least-privilege access. Lead our journey toward a DevSecOps culture, building the practices, automation, and mindset that will make security a first-class citizen across all engineering teams - an ambition we are actively working toward. * Reliability & Observability - Define SLOs/SLAs for platform services, ensure full-stack observability, lead incident response, and conduct blameless post-mortems. * Cross-functional Leadership - Collaborate with Engineering, SRE, Infrastructure, and Security teams. Mentor engineers, represent DevXP in architectural forums, and communicate technical trade-offs to diverse audiences. QUALIFICATIONS Qualifications * Degree in Computer Science or equivalent. * 8+ years in platform engineering or DevOps, with 3+ years at senior/expert level. * Track record of operating platforms at scale; fluency with TDD, trunk-based development, and continuous delivery. Required Skills * Platform & DevOps - CI/CD (GitHub Actions), GitOps, IaC (Terraform), Kubernetes, Docker, ArgoCD, GCP (GKE) * Observability - Prometheus, Grafana; SLO/SLI/error budget management. * AI & Automation - Hands-on integration of AI tools in engineering workflows; MLOps familiarity. * Leadership - Technical influence without direct authority, mentoring, strong communication. Nice to Have Skills * Platform & DevOps - Jenkins, Ansible, Cloud Run), testing strategies, Python/Go/Bash. * Observability - OpenTelemetry * Security - DevSecOps pipelines, SAST/DAST/SCA, SBOM, SLSA, policy-as-code (OPA, Kyverno), zero-trust principles. At Deezer, diversity drives innovation. Whatever makes you uniquely you, your experiences, your way of thinking, your journey, might be exactly what we need. If this role speaks to you and aligns with your interests and capabilities, even if you don’t meet 100% of the qualifications listed, please give it a try and tell us more! #BeYou ADDITIONAL INFORMATION At Deezer, you can be your true self as we believe that #everyvoicematters. We strive to build an inclusive culture and foster a diverse environment. Because we care and want to ensure each employee feels welcome and safe at work, we continuously focus on fighting biases and helping diverse teams work well together through multiple learning opportunities, e-learnings and workshops right from the onboarding : * Regular Diversity & Inclusion internal and external talks * Dedicated employee work streams on Gender equity, Ethnicity & Culture, Disability, Parenthood (signatory of the Parental Challenge) and LGBTQIA+ * Multiple e-learnings and mandatory training sessions for all managers * English and French courses for all, so that everyone can connect and feel included Beyond benefits like transportation, we offer you extra perks like: * A Deezer premium family account for free * Access to gym classes * Join over 70 Deezer Communities to connect beyond your day-to-day work, share passions, learn from each other and #Belong * Deezer parties several times a year and drinks every thursday * Allowance for sports, travelling and culture * Meal vouchers * Mental health and well-being support from Moka.Care * Great offices always located in dynamic and attractive districts, whether in Paris, London or Sao Paulo! * Hybrid remote work policy If you want to learn more about life and culture at Deezer, please visit our Welcome to the Jungle page here!