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Principal Recruiter
Full-cycle technical recruiter sourcing AI and engineering talent for a B2B SaaS startup building an autonomous sourcing platform with AI and GenAI.
Software Engineer: Perception (II,III)
Mid-career (II/III) software engineer joining Lodestar's perception/machine-vision team in Los Angeles to build and optimize computer vision and ML models that detect, classify, and track unknown space targets in real time for the MITHRIL autonomous spacecraft-protection platform, including edge/GPU optimization, relative-pose prediction, and integration into mission simulation and autonomy pipeli
Founding Engineer H/F
Founding AI/ML engineer at a funded 18-month-old Paris startup building a real-time marketplace where airlines trade takeoff slots. Day to day: build ML models (time series, graph/Markov, geospatial), ship production Python/C++ code, read research, and help shape product. €60-75k + bonus + BSPCE, hybrid (2 days remote/week).
Metaphore: Office Coordinator Co-Op
Coordinate daily office operations, vendor relations, and employee events for a biotech startup in Somerville, MA, using Microsoft Office tools.
Sr. Software Development Engineer
Lead a full-stack team building AI-augmented ad-tech platforms with React, TypeScript, Node.js/Python/Go, and scalable data pipelines that power creative, audience, and outcomes features.
Staff Data Engineer
Staff Data Engineer at Checkbox, a Series A startup building AI-native SaaS for in-house legal teams. The role focuses on building the data, context and retrieval foundations that power reliable AI experiences, as the platform shifts toward agentic AI and intelligent workflow automation for legal work.
Data/ML Engineer — Fusion Time-Series Pipelines & Labelling
At Fusionality, a Lausanne-based startup building the measurement, simulation, and control stack for fusion energy reactors, this Data/ML Engineer turns large messy experimental time-series data into clean labeled datasets and develops ML-assisted labelling and event detection while owning data quality with physicists and control engineers.
First Product Analyst
First Product Analyst at GPTinf, a Ukrainian startup building AI text tools (AI detector, humanizer, plagiarism checker). You'd build analytics from scratch: end-to-end funnel tracking, event tracking plans, unified data warehouse, PostHog dashboards, A/B tests, and predictive models, with a path to leading the analytics team.
Full Stack Developer - Startup à Impact (H/F)
Full-stack developer at Holis, a Paris-based climate-impact startup whose SaaS platform helps companies run life-cycle assessments (LCA) on their products. You would add eco-design features, manage user access, build AI data-extraction pipelines, and optimize PostgreSQL-backed impact calculations, working hybrid from Paris.
Développeur/Développeuse Sénior Full Stack (TypeScript) (H/F)
Senior full-stack TypeScript developer at MindEd Tech, an education startup building AI-enhanced apps for schooling, well-being and mental health — currently a personalized school-tutoring product focused on math. Stack: TypeScript, Next.js, NestJS, React, React Native, Expo, PostgreSQL. Office near Clichy-Levallois with 2 days remote/week.
Data Analyst / Scientist - Startup à impact (H/F)
Six-month internship (starting January 2027) at Holis, a Paris-based impact startup whose SaaS platform automates product life-cycle assessments (LCA/ACV). You'll harmonize environmental data, automate collection pipelines, build graph-optimization and API integration tools, working with Python, SQL, and databases.
Remote Full-Stack Developer - FinTech Innovation
Remote full-stack developer for a fast-growing FinTech startup operating from Cape Town: design, build, and deploy secure, scalable web applications across the stack — modern JS front ends (React/Angular/Vue), back-end services (Python/Node/Java), REST APIs, SQL/NoSQL databases, cloud platforms, and CI/CD — in a remote-first engineering team.