[THIS IS NOT A SOFTWARE VACANCY, A MATERIAL SCIENCE DIGREEE IS REQUIRED]About LeydenJar At LeydenJar Technologies, we’re on a mission to redefine the future of energy storage. Our goal is to become the world’s innovation leader in advanced battery anodes, empowering the next generation of batteries that drive progress.Why does this matter? Because the world needs higher energy density batteries not just for better consumer electronics, but for electric vehicles, e-flight, and beyond. While the battery industry typically advances by only 3% per year, our breakthrough pure silicon anode technology delivers an improvement of up to 70%, a true game changer. Often called the “holy grail” of the battery industry, our technology unlocks new possibilities for electrification, sustainability, and resilience in global supply chains.What we do:<ul><li>We produce pure silicon anode rolls that fit seamlessly into existing battery cell manufacturing lines, enabling customers to make a quantum leap in performance or create entirely new product categories.</li><li>Our initial focus is on consumer electronics, with automotive applications already in development.</li><li>By leveraging semiconductor thin-film technology (plasma deposition) and scaling it to battery anodes, we’ve overcome the long-standing challenges of silicon in batteries, delivering durability and efficiency at scale.</li></ul>To meet global demand, we’re scaling up:<ul><li>PlantOne in Eindhoven opens in 2026, producing anode rolls and validating our roll-to-roll production tools.</li><li>PlantTwo, our large-scale production facility, will follow, establishing LeydenJar as a key player in the global battery market.</li></ul>This is an enormous opportunity and an ambitious journey. It requires bold, creative, and diverse minds who share our passion for innovation and sustainability. At LeydenJar, we value different perspectives, inclusive collaboration, and gender equality because we know that diversity fuels breakthrough ideas.We are currently looking for an energetic Product Owner - pure silicon anode to join our innovative and ambitious organization.Your MissionAs Product Owner, you will play a pivotal role in our Product Development Department, leading the development and launch of LeydenJar products. You will:<ul><li>Own and prioritize the product backlog: Ensure sprints and development efforts are aligned with the product roadmap and strategic objectives.</li><li>Lead agile project execution: Plan, coordinate, and drive project sprints, ensuring timely delivery of milestones and objectives.</li><li>Align stakeholders: Communicate effectively with scientists, engineers, external partners, and leadership to keep everyone focused and informed.</li><li>Manage resources and budgets: Ensure product development is completed on time and within budget, proactively identifying risks and mitigation strategies.</li><li>Drive technical innovation: Guide the development of new processes for silicon anodes, including PECVD thin film processing, characterization, and post-deposition treatments.</li><li>Support external collaborations: Facilitate and manage relationships with external partners.</li><li>Champion data-driven decision making: Oversee thin film characterizations, data analysis, and process modeling, leveraging both in-house and external facilities.</li><li>Contribute to IP generation: Support the creation and protection of intellectual property arising from product development.</li><li>Document and present results: Ensure thorough documentation and clear presentation of development outcomes to internal and external audiences.</li><li>Foster a collaborative, diverse, and ambitious team culture: Work in a dynamic, international environment where every day brings new challenges and opportunities.</li></ul>Furthermore you will:<ul><li>Co-develop and communicate a clear product development vision and roadmap, adapting to feedback of internal stakeholders.</li><li>Collaborate with cross-functional teams to translate business and technical requirements into actionable development plans.</li><li>Facilitate agile ceremonies (sprint planning, backlog refinement, reviews, retrospectives) and ensure best practices are followed.</li><li>Monitor and report on product progress, KPIs, and performance metrics.</li><li>Resolve conflicts, remove obstacles, and balance stakeholder needs with technical feasibility.</li><li>Stay abreast of industry advancements, regulatory changes, and emerging technologies in battery and material science.</li><li>Act as product ambassador, sharing knowledge and answering questions internally and externally.</li><li>Ensure compliance with safety, quality, and sustainability standards.</li></ul>You will report to the VP Product Development and your skills will complement dynamic team of Materials &amp; Data Scientists and Engineers. You will be working in a dynamic scale-up environment as part of an international, ambitious and diverse team that is determined to make a better world with cleaner energy. You will gain valuable, on-the-job experience in a scale-up multi-national company, where no day is ever the same. Your primary location will be Eindhoven with occasional travel.What do we expect from you?:<ul><li>MSc or higher in Materials Science, Applied Physics, or a closely related field.</li><li>Proven track record in developing products involving product manufacturing by complex physical or chemical processes.</li><li>5+ years’ experience in project management, with at least 2 years in agile methodology (Scrum, SAFe, or similar).</li><li>Deep knowledge of thin films, material characterization techniques and thin film mechanics.</li><li>Hands-on attitude, affinity for data analysis, documentation, and presentation.</li><li>Fluent in English (spoken and written).</li><li>Strong initiative, drive, and ability to make things happen in a fast-paced, scale-up environment.</li><li>Excellent communication skills, able to align diverse teams and stakeholders.</li><li>Ability to multi-task, work independently, and act with a sense of urgency.</li></ul>Preferrably:<ul><li>Experience with PECVD processing and lithium-ion battery technology.</li><li>Experience in anode manufacturing.</li><li>Experience with external collaborations.</li><li>Affinity for data-driven decision making and process modeling.</li><li>Commitment to diversity, equity, and inclusion. </li></ul>Why LeydenJar?<ul><li>Unleash Your Potential: Step into a workplace where growth and ownership go hand in hand. We empower every individual regardless of background, gender, or identity to thrive and achieve their career aspirations.</li><li>Pension &amp; Insurance Security: We care about your future. LeydenJar contributes 10% on top of your monthly gross salary toward your pension and life insurance, ensuring long-term security for you and your loved ones.</li><li>Recharge &amp; Refresh: Enjoy 25 vacation days per year (based on full-time hours) because work-life balance is essential for everyone.</li><li>Travel Made Easy: We cover your home-to-work travel costs with €0.23 per kilometer or provide an NS Business Card for hassle-free public transportation.</li><li>Continuous Learning: Access our online learning platform (Udemy) to develop your skills and unlock new opportunities for personal and professional growth.</li><li>Diverse, Inclusive &amp; Equal: Be part of an international team of 20+ nationalities, where everyone’s voice matters, and where diversity, equity, and inclusion are more than values they’re actions.</li><li>Community &amp; Connection: From team-building events and monthly lunches to year-end celebrations and inclusive gatherings, we create spaces where everyone feels welcome and engaged.</li></ul>If you'd like to learn more about LeydenJar amazing team, see below: At LeydenJar, we value diversity and provide equal opportunities to all applicants—regardless of race, color, ethnicity, religion, gender, pregnancy or parental status, age, national origin, sexual orientation, disability, or any other characteristic. We also know from research that women and underrepresented groups often hesitate to apply unless they meet 100% of the criteria. If you identify with that, we strongly encourage you to apply. Your unique perspective matters.

LeydenJar Technologies boosts the energy density of li-ion batteries by replacing the traditional graphite anode with a nanoporous, pure silicon anode. This yields cheaper (-20% costs), greener (-85% CO2 footprint) and higher energy density batteries (+70% as compared to state-of-the-art, 1350Wh/L).


Product Owner

[THIS IS NOT A SOFTWARE VACANCY, A MATERIAL SCIENCE DIGREEE IS REQUIRED]About LeydenJar At LeydenJar Technologies, we’re on a mission to redefine the future of energy storage. Our goal is to become the world’s innovation leader in advanced battery anodes, empowering the next generation of batteries that drive progress.Why does this matter? Because the world needs higher energy density batteries not just for better consumer electronics, but for electric vehicles, e-flight, and beyond. While the battery industry typically advances by only 3% per year, our breakthrough pure silicon anode technology delivers an improvement of up to 70%, a true game changer. Often called the “holy grail” of the battery industry, our technology unlocks new possibilities for electrification, sustainability, and resilience in global supply chains.What we do:<ul><li>We produce pure silicon anode rolls that fit seamlessly into existing battery cell manufacturing lines, enabling customers to make a quantum leap in performance or create entirely new product categories.</li><li>Our initial focus is on consumer electronics, with automotive applications already in development.</li><li>By leveraging semiconductor thin-film technology (plasma deposition) and scaling it to battery anodes, we’ve overcome the long-standing challenges of silicon in batteries, delivering durability and efficiency at scale.</li></ul>To meet global demand, we’re scaling up:<ul><li>PlantOne in Eindhoven opens in 2026, producing anode rolls and validating our roll-to-roll production tools.</li><li>PlantTwo, our large-scale production facility, will follow, establishing LeydenJar as a key player in the global battery market.</li></ul>This is an enormous opportunity and an ambitious journey. It requires bold, creative, and diverse minds who share our passion for innovation and sustainability. At LeydenJar, we value different perspectives, inclusive collaboration, and gender equality because we know that diversity fuels breakthrough ideas.We are currently looking for an energetic Product Owner - pure silicon anode to join our innovative and ambitious organization.Your MissionAs Product Owner, you will play a pivotal role in our Product Development Department, leading the development and launch of LeydenJar products. You will:<ul><li>Own and prioritize the product backlog: Ensure sprints and development efforts are aligned with the product roadmap and strategic objectives.</li><li>Lead agile project execution: Plan, coordinate, and drive project sprints, ensuring timely delivery of milestones and objectives.</li><li>Align stakeholders: Communicate effectively with scientists, engineers, external partners, and leadership to keep everyone focused and informed.</li><li>Manage resources and budgets: Ensure product development is completed on time and within budget, proactively identifying risks and mitigation strategies.</li><li>Drive technical innovation: Guide the development of new processes for silicon anodes, including PECVD thin film processing, characterization, and post-deposition treatments.</li><li>Support external collaborations: Facilitate and manage relationships with external partners.</li><li>Champion data-driven decision making: Oversee thin film characterizations, data analysis, and process modeling, leveraging both in-house and external facilities.</li><li>Contribute to IP generation: Support the creation and protection of intellectual property arising from product development.</li><li>Document and present results: Ensure thorough documentation and clear presentation of development outcomes to internal and external audiences.</li><li>Foster a collaborative, diverse, and ambitious team culture: Work in a dynamic, international environment where every day brings new challenges and opportunities.</li></ul>Furthermore you will:<ul><li>Co-develop and communicate a clear product development vision and roadmap, adapting to feedback of internal stakeholders.</li><li>Collaborate with cross-functional teams to translate business and technical requirements into actionable development plans.</li><li>Facilitate agile ceremonies (sprint planning, backlog refinement, reviews, retrospectives) and ensure best practices are followed.</li><li>Monitor and report on product progress, KPIs, and performance metrics.</li><li>Resolve conflicts, remove obstacles, and balance stakeholder needs with technical feasibility.</li><li>Stay abreast of industry advancements, regulatory changes, and emerging technologies in battery and material science.</li><li>Act as product ambassador, sharing knowledge and answering questions internally and externally.</li><li>Ensure compliance with safety, quality, and sustainability standards.</li></ul>You will report to the VP Product Development and your skills will complement dynamic team of Materials &amp; Data Scientists and Engineers. You will be working in a dynamic scale-up environment as part of an international, ambitious and diverse team that is determined to make a better world with cleaner energy. You will gain valuable, on-the-job experience in a scale-up multi-national company, where no day is ever the same. Your primary location will be Eindhoven with occasional travel.What do we expect from you?:<ul><li>MSc or higher in Materials Science, Applied Physics, or a closely related field.</li><li>Proven track record in developing products involving product manufacturing by complex physical or chemical processes.</li><li>5+ years’ experience in project management, with at least 2 years in agile methodology (Scrum, SAFe, or similar).</li><li>Deep knowledge of thin films, material characterization techniques and thin film mechanics.</li><li>Hands-on attitude, affinity for data analysis, documentation, and presentation.</li><li>Fluent in English (spoken and written).</li><li>Strong initiative, drive, and ability to make things happen in a fast-paced, scale-up environment.</li><li>Excellent communication skills, able to align diverse teams and stakeholders.</li><li>Ability to multi-task, work independently, and act with a sense of urgency.</li></ul>Preferrably:<ul><li>Experience with PECVD processing and lithium-ion battery technology.</li><li>Experience in anode manufacturing.</li><li>Experience with external collaborations.</li><li>Affinity for data-driven decision making and process modeling.</li><li>Commitment to diversity, equity, and inclusion. </li></ul>Why LeydenJar?<ul><li>Unleash Your Potential: Step into a workplace where growth and ownership go hand in hand. We empower every individual regardless of background, gender, or identity to thrive and achieve their career aspirations.</li><li>Pension &amp; Insurance Security: We care about your future. LeydenJar contributes 10% on top of your monthly gross salary toward your pension and life insurance, ensuring long-term security for you and your loved ones.</li><li>Recharge &amp; Refresh: Enjoy 25 vacation days per year (based on full-time hours) because work-life balance is essential for everyone.</li><li>Travel Made Easy: We cover your home-to-work travel costs with €0.23 per kilometer or provide an NS Business Card for hassle-free public transportation.</li><li>Continuous Learning: Access our online learning platform (Udemy) to develop your skills and unlock new opportunities for personal and professional growth.</li><li>Diverse, Inclusive &amp; Equal: Be part of an international team of 20+ nationalities, where everyone’s voice matters, and where diversity, equity, and inclusion are more than values they’re actions.</li><li>Community &amp; Connection: From team-building events and monthly lunches to year-end celebrations and inclusive gatherings, we create spaces where everyone feels welcome and engaged.</li></ul>If you'd like to learn more about LeydenJar amazing team, see below: At LeydenJar, we value diversity and provide equal opportunities to all applicants—regardless of race, color, ethnicity, religion, gender, pregnancy or parental status, age, national origin, sexual orientation, disability, or any other characteristic. We also know from research that women and underrepresented groups often hesitate to apply unless they meet 100% of the criteria. If you identify with that, we strongly encourage you to apply. Your unique perspective matters.

Product Owner

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LeydenJar Technologies

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