Software Backend Engineer - Senior / Confirmed (Paris or Remote France)

Outsight

Outsight’s software solutions track the motion of people and vehicles using 3D LiDAR data. Operators of transportation hubs like airports and train stations but also sport venues, road infrastructures and industrial sites can now access accurate and anonymous Spatial Intelligence data, in order to improve operations and increase user safety and satisfaction.   Our international team of scientists and engineers drive the development of our solutions from Paris, San Francisco, Sophia-Antipolis (Nice) & Hong Kong. To support our global outreach, we also operate a commercial office in Spain.   You can find below an interesting link about who we are and what we do : Insights about Outsight   Our Passenger Flow Traffic Monitoring solution is trusted by the world’s leading airports and train stations across four continents, including the most renowned hubs celebrated for their operational excellence and exceptional passenger experience.  We also deploy our solutions in other markets such as Tourism, Retail and Sports.   Additionally, our Car Traffic Remote Monitoring product is trusted by several Tier 1 customers, including BMW.   Context   This role focuses on bridging data warehouse storage with live execution engines. You will build and optimize the high-availability API layers, protocol engines, and streaming communication paths that expose core spatial context to downstream real-time applications.   Responsibilities   Develop and scale concurrent backend microservices responsible for high-throughput spatial data querying. Build, secure, and maintain high-performance context communication engines and Model Context Protocol (MCP) servers. Optimize streaming data pipelines and ensure robust websocket/gRPC data delivery mechanisms. Standardize organizational API structures, ensuring a decoupled architecture where the Spatial Apps group can consume data seamlessly. Requirements for the role You  must have native experience building Model Context Protocol (MCP) implementations, tool definitions, and JSON schemas that allow autonomous LLM agents to perform zero-shot data discovery.  High proficiency in leveraging automated execution frameworks to minimize administrative engineering boilerplate is required.   Why join us?   Be part of the team pioneering Spatial Intelligence solutions at unprecedented scale—the breakthrough technology transforming how the world’s most prestigious airports, infrastructure operators, and smart cities understand and optimize physical flows.   As a 7-time Gartner-recognized category-defining leader with dozens of global awards including “Edge AI Product of the Year,” “LiDAR Leader Award,” “CES Best of Innovation” and many more, we’re backed by 37 patents and deployments with the most prestigious (and challenging) customers across four continents.   Join our international team of world-class experienced engineers and business leaders solving humanity’s most complex spatial challenges, from passenger flow optimization to autonomous robotics coordination, while working at the cutting edge of 3D AI, LiDAR perception, and real-time analytics.   Supported by rock-solid investors including BNP Paribas, BPI France, Energy Innovation Capital and Demeter who back our long-term vision, this is your opportunity to shape how physical and digital worlds interact, with the resources, growth trajectory, and technical challenges that will accelerate your career in ways traditional companies cannot offer.   Outsight is an Equal Employment Opportunity employer that pursues and hires a diverse workforce. Outsighters don't make employment decisions on the basis of race, color, religion, ethnic or national origin, nationality, sex, gender, gender identity, sexual orientation, disability, age, military status, or any other basis protected by local, state, or federal laws. Outsight also strives for a healthy and safe workplace, and prohibits harassment of any kind. If you have a disability or special need that requires accommodation, please let us know.

Doctolib

WHAT YOU'LL DO  We are looking for a Senior Software Engineer to join the Patient Online Booking feature team in the Patient Health Platform domain. Our team is responsible for enhancing the booking experience for our 90 million patients, with over 300 million appointments expected to be booked this year. Empower your team to build better products, playing a pivotal role in the improvement of one of France’s most downloaded apps! Your responsibilities include but are not limited to: * Collaborate with product managers, designers, and other engineers to define and implement features to improve healthcare access for patients * Take a leading role within the team and contribute to establishing a technical vision that ensures the performance, security, and usability of the application, taking into account the future needs and the high scalability needs. * Bring your expertise and experiences to help us continuously improve the way we design, implement, test, and monitor high-quality features * Improving the performance of key features implemented in Java and Ruby on Rails, sometimes completely challenging the status quo * Taking leadership on delivering roadmap items (together with the team) * Contributing to establishing a technical vision and co-drive the creation of the roadmap for next quarters WHO YOU ARE If you don’t meet all the requirements below but believe this opportunity matches your expectations and experience, we still encourage you to apply! * You are proactive, curious, collaborative and eager to learn * You are primarily a backend engineer with expert knowledge of Java and a good knowledge of Ruby on Rails (or similar frameworks). You have a solid understanding of web technologies and software development life cycle * You have a “user first” mindset and want to build a product focused on bringing value to its users, through secure, well-tested and pragmatic code * You embrace and champion AI-augmented engineering, leveraging AI coding tools (GitHub Copilot, Claude Code...) to boost your own productivity and help the team adopt these practices effectively * You are fluent in English 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 THE INTERVIEW PROCESS  * Recruiter Interview * Live Coding Interview * System Design Interview * Behavioral Interview * At least one reference check JOB DETAILS * Permanent position * Full Time * Based in Levallois-Perret * Hybrid position 3 days/week in the office * Start date: As soon as possible If you would like to find out more about tech life at Doctolib, feel free to read our latest Medium blog articles!  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, 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! All information provided is processed by Doctolib for application management. For data processing details, click here. Please contact hr.dataprivacy(at)doctolib.com for inquiries or to exercise your rights.

Outsight

Outsight’s software solutions track the motion of people and vehicles using 3D LiDAR data. Operators of transportation hubs like airports and train stations but also sport venues, road infrastructures and industrial sites can now access accurate and anonymous Spatial Intelligence data, in order to improve operations and increase user safety and satisfaction.   Our international team of scientists and engineers drive the development of our solutions from Paris, San Francisco, Sophia-Antipolis (Nice) & Hong Kong. To support our global outreach, we also operate a commercial office in Spain.   You can find below an interesting link about who we are and what we do : Insights about Outsight   Our Passenger Flow Traffic Monitoring solution is trusted by the world’s leading airports and train stations across four continents, including the most renowned hubs celebrated for their operational excellence and exceptional passenger experience.  We also deploy our solutions in other markets such as Tourism, Retail and Sports.   Additionally, our Car Traffic Remote Monitoring product is trusted by several Tier 1 customers, including BMW.   Context   We are looking for a pioneering backend developer to engineer the intelligence engine of our spatial workflows. This role owns the application-layer execution, state machines, and background runtimes that convert simple user intent or live streaming data thresholds into proactive, automated workflows and operations.   Responsibilities   Architect multi-step autonomous AI execution paths, context assembly modules, and chatbot routing engines. Implement reliable memory systems, state-tracking loops, and proactive alerting pipelines. Consume the streaming layers and data context provided via MCP servers by the Data Engineering team to wire up secure application logic. Integrate automated cross-platform notification pipelines (Slack, webhooks, alerting protocols) triggered directly by autonomous decisions. Requirements for the role Agentic Workflow & Productivity Edge:Mandatory Expertise: Deep, practical experience building production-grade autonomous loops, ReAct patterns, and multi-agent state architectures (e.g., LangGraph, AutoGen, or custom async graph structures). The candidate must naturally code within an AI-augmented environment to accelerate output, displaying elite productivity and immediate architectural autonomy.   Why join us?   Be part of the team pioneering Spatial Intelligence solutions at unprecedented scale—the breakthrough technology transforming how the world’s most prestigious airports, infrastructure operators, and smart cities understand and optimize physical flows.   As a 7-time Gartner-recognized category-defining leader with dozens of global awards including “Edge AI Product of the Year,” “LiDAR Leader Award,” “CES Best of Innovation” and many more, we’re backed by 37 patents and deployments with the most prestigious (and challenging) customers across four continents.   Join our international team of world-class experienced engineers and business leaders solving humanity’s most complex spatial challenges, from passenger flow optimization to autonomous robotics coordination, while working at the cutting edge of 3D AI, LiDAR perception, and real-time analytics.   Supported by rock-solid investors including BNP Paribas, BPI France, Energy Innovation Capital and Demeter who back our long-term vision, this is your opportunity to shape how physical and digital worlds interact, with the resources, growth trajectory, and technical challenges that will accelerate your career in ways traditional companies cannot offer.   Outsight is an Equal Employment Opportunity employer that pursues and hires a diverse workforce. Outsighters don't make employment decisions on the basis of race, color, religion, ethnic or national origin, nationality, sex, gender, gender identity, sexual orientation, disability, age, military status, or any other basis protected by local, state, or federal laws. Outsight also strives for a healthy and safe workplace, and prohibits harassment of any kind. If you have a disability or special need that requires accommodation, please let us know.