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Technical Program Manager, ESS
A Technical Program Manager at Peak Energy leads end-to-end delivery of large-scale sodium-ion battery energy storage projects, coordinating engineering, product, supply chain, and external partners while managing timelines, budgets, and risks. The role requires a technical background in battery energy storage systems and 3-5+ years of program/project management experience.
Test Engineer Intern, ESS (Winter/Spring - Jan 2027 Start)
Intern to design and run tests on energy-storage systems, from batteries to power electronics, analyzing data to improve product design and reliability.
AI Security Researcher
Senior AI researcher at a stealth-mode cybersecurity startup (Astelia) building vulnerability and exposure management. You'll own the end-to-end AI lifecycle — researching, developing, and shipping production LLM-powered features over large-scale security data, with ongoing evaluation and monitoring.
Senior Backend Engineer
Senior Backend Engineer at Frame Security, a funded cybersecurity startup in Tel Aviv building AI-driven security awareness training and attack simulations. Day to day: designing and building core backend systems from the ground up — scalable, high-scale infrastructure processing large security data streams — using Go, Python, C++ and cloud platforms.
Cybersecurity Consultant (Startup)
Cybersecurity consultant at a young Arnhem-based startup who advises client organizations on cybersecurity, information security and risk management, translating technical security issues into practical business solutions and guiding improvement projects, while helping develop the startup's new services. Requires 5+ years' experience and CISSP and/or CISM.
Content Marketeer
Content Marketeer at Attendi in Amsterdam creates content (interviews, webinars, whitepapers) telling the company's story to the Dutch care sector, working closely with the Marketing Lead and customer team. Attendi builds an AI app that lets care professionals report by talking, auto-summarized into usable care documentation.
Growth Marketeer
Growth Marketeer at JoJoschool, an EdTech startup for secondary education in the Netherlands, based in Utrecht. Full-time role focused on finding new users and converting them from free account to paid subscription through SEO, SEA, linkbuilding, funnel design, and data-driven testing.
Material Scientist
Material Scientist at LeydenJar, a VC-backed deep tech scale-up in Eindhoven developing pure silicon anode technology for high-energy-density batteries. The role advances silicon anode materials and production using semiconductor thin-film plasma deposition for consumer electronics and, eventually, automotive applications.
UX/UI Developer
UX/UI designer at a fast-growing Rotterdam healthtech scale-up, translating complex care information into clear, accessible digital experiences. Day to day: web and mobile app design, user flows, and building out a Figma design system (tokens, components) with AI-supported design workflows alongside the Lead Designer and engineering.
(Stage) Marketeer
Internship-level marketing role at Winstkassa, a new Dutch startup in Etten-Leur building a smart checkout (POS) tool for shops with WooCommerce webshops. Day to day: customer acquisition and demos, gathering client feedback, running SEO/Google Ads and social campaigns, and content — with a path to a paid job afterwards.
Software Engineer
Python machine learning engineer building production computer-vision models that turn live camera/video streams into real-time insights for mobility and infrastructure applications. Role splits Python software engineering with applied ML at a small Dutch scale-up in Leiden.
Founding Engineer
Founding engineer at an early-stage cloud infrastructure company building software that helps teams deploy and manage applications in their own cloud environments. Day to day: propose and own projects end to end, debug production systems (VMs, logs, open-source dependencies), and work directly with customers via Slack. On-site in NYC, $200k-$270k.
Senior Software Engineer Backend/Infrastructure
Senior backend/infrastructure engineer (Go) in Lisbon at SimplicityDX, building real-time ingestion pipelines for creator UGC, human-verification tooling, and agent-facing distribution (MCP endpoints, commerce feeds) so AI shopping agents can query verified product evidence. Uses AWS, Docker/Kubernetes, SQL/NoSQL in an AI-native team.
VP Information Security
Era4 (hiring via Carbon3.ai) seeks a VP of Information Security to own security end to end across its UK GPU/AI data-centre platform: security architecture and operations on Kubernetes/GPU and dark-fibre infrastructure, tenant isolation, OT policy, incident response, and SOC 2 / Cyber Essentials Plus certification, while growing a small security team.
Business Analyst
Business Analyst at Papaya, a fast-growing mobile game company headquartered in Tel Aviv. You'll analyze large player-behavior datasets, run A/B tests, plan in-game events and promotions, and build automated dashboards to guide monetization and product decisions, using SQL, BI tools (Tableau/Looker), and Python.
Member of Technical Staff - Reinforcement Learning
Trains AI agents with reinforcement learning to solve long-horizon problems in biology and scientific research — building RL environments, reward functions, evaluation frameworks, and distributed rollout/training infrastructure. Core focus: deep RL, post-training, agentic systems, and high-performance distributed/GPU engineering.
Developer Relations Engineer
Developer Relations Engineer at Applied Compute, an AI startup in San Francisco: build runnable demos, cookbooks, and tutorials for AC2, run LLM fine-tuning/evaluation experiments, publish technical content, own distribution on X and GitHub, and grow the DevRel function. Requires strong engineering, hands-on LLM training/eval experience, and a track record of clear technical writing.
Frontend Lead (JavaScript / TypeScript)
Frontend Lead at Supplios, a fast-growing Copenhagen B2B SaaS startup building an all-in-one supplier portal for global manufacturers' supply chains. You lead front-end architecture and development in JavaScript/TypeScript using frameworks like Vue or React, working on large enterprise applications.
Brand & Marketing Designer
Owns NewCore's brand identity end to end at a Tel Aviv cybersecurity startup: designing the website, social and paid campaigns, presentations, events and video, and building reusable design systems. Works daily in Figma, Adobe tools (Illustrator, Photoshop, After Effects), web builders like Framer/Webflow, and AI design tools.