Senior Full Stack Developer

About cosmosAt cosmos, we are revolutionizing the way organizations align their strategic goals with operational realities. Our mission is to transform conventional strategy into a dynamic, real-time control system that enables decision-makers to visualize the impact of their actions as conditions evolve.Unlike typical project management tools, cosmos™ serve…

About UsAt cosmos GmbH, we are on the lookout for enthusiastic individuals poised to become the next generation of developers. If you have a passion for coding and a desire to engage with cutting-edge software practices and AI-integrated development, we want to hear from you!This is the perfect opportunity for you, whether you're just starting your studies or have recently graduated, to gain invaluable experience in a dynamic work setting, learn from seasoned professionals, and earn while you enhance your skills.Your ResponsibilitiesJoin our development team and contribute to real projects from day one.Learn the best coding practices and tools under the guidance of experienced mentors.Discover the latest AI applications in software development.Collaborate closely with product, design, and technical teams to address real-world challenges.Receive tailored feedback and advance at your own pace toward a junior developer role as your skills develop.Ideal Candidate ProfileA strong enthusiasm for coding—whether self-taught, through personal projects, or academic pursuits.A thirst for knowledge and a commitment to mastering the art of high-quality software development.Basic programming knowledge in any language.Excellent communication and teamwork skills.Dependable, motivated, and proactive mindset.What We ProvideA paid, flexible traineeship that allows you to start before or after your academic commitments.A modern work environment with options for remote, hybrid, or in-office setups.Comprehensive training and mentorship with a clear pathway to becoming a Junior Developer.Exposure to real-world agile processes and AI tools.A welcoming, tech-oriented team culture.Embark on your journey with us, enhance your development skills, and craft your future with cosmos GmbH!Are you ready to code your way into a tech career? Apply today!

Join the dynamic team at burgerme as a full-time Burger Delivery Driver! In this role, you'll be the face of our brand, ensuring that our delicious burgers reach our valued customers quickly and efficiently. If you have a passion for excellent service and love being on the road, this is the perfect opportunity for you.

Senior R&D Engineer (Mechatronics & Hardware)Location: DarmstadtPosition Type: Full-timeAbout Focused EnergyFocused Energy stands at the forefront of innovation in laser-driven fusion technology, leading the charge towards the realization of clean, limitless energy. Our headquarters in Darmstadt, Germany, along with our presence in the San Francisco Bay Area, brings together a team of exceptional scientists and engineers dedicated to harnessing proven technologies for commercial-scale fusion power.We are not only committed to developing transformative energy solutions for the long term but are also addressing immediate global challenges. Our groundbreaking initiative, SourceLight, is focused on creating compact, laser-driven radiation sources (LDRS). These innovative dual-mode systems produce MeV X-rays and fast neutrons, facilitating real-time, non-destructive inspection of complex or shielded materials. This technology plays a critical role in nuclear waste management, contraband detection, infrastructure assessments, and medical isotope production.As a member of our dynamic, interdisciplinary team comprising laser and plasma physicists, engineers, and AI specialists, you will contribute to the development of our first pilot facility in Biblis, Germany. Join us in shaping this advanced technology venture from its inception!Your MissionIn this pivotal role, you will be responsible for designing critical components of our laser-driven radiation source, taking ownership of a vital R&D sector. You will act as a bridge between scientific concepts and industrial applications, significantly influencing a technology that has the potential to revolutionize various industries.Key Responsibilities:System Ownership: Lead the development lifecycle of complex electro-mechanical modules, converting high-level physics requirements into detailed, manufacturable specifications, and ensuring a seamless transition from prototype to production.Engineering for Challenging Environments: Design and validate hardware capable of sustained operation in high-vacuum (1e-5 mBar) environments, under significant electromagnetic and thermal stresses, and in radiation-rich contexts.Rapid Prototyping: Actively engage in the hands-on construction, testing, troubleshooting, and enhancement of hardware, both in our lab and during external beamtime campaigns.

We are HUUS - a quality provider of ergonomic phone and meeting boxes. As a sister company of Ergotopia, a leading e-commerce office furniture firm, we enhance the workdays of thousands. In the New Work environment and in open offices, our products reduce stress and increase productivity. Through high-quality materials, smart engineering, thoughtful features, and manufacturing in Europe, our products meet the highest quality standards and are regularly praised by customers! Visit our website at https://huus.io/Note: This position is based in Darmstadt. We work in a hybrid structure with about two days per week in the office.Hours: 20 hours/weekAre you eager to combine sales, business development, and automation to generate real growth? As a Working Student in Business Development & Automation (m/f/d), you will help transform leads into genuine customers, build new partner relationships, and develop automation processes with your team that will scale our sales efforts. If you enjoy taking responsibility, communicating effectively, and optimizing processes, you are in the right place.Sales Enablement: You will contact inbound leads via phone and email, qualify their needs, and coordinate successful online consultations for our sales team—eventually conducting your own consultations.Partner Acquisition: You will research potential dealers and distribution partners both domestically and internationally, proactively reach out via phone, LinkedIn, or email, and support the expansion of our partner network—from the initial contact to assisting in pitch and sales discussions.Sales Automation: You will identify areas for improvement in the sales process and design smart solutions using automation tools and AI to make our lead generation and processing more scalable.Process and Information Management: You will actively shape our partner portal, maintain and optimize product and sales information for internal teams and external partners, ensuring maximum transparency.

Role OverviewAs the Business Development Manager, you will be instrumental in shaping the commercial strategy for one of the world’s most pioneering fusion energy firms. Your efforts will contribute to defining Focused Energy’s market stance, forging commercial alliances, acquiring early customers, and developing an ecosystem strategy that spans Europe and beyond.Your role will involve close collaboration with senior leadership in Technology, Commercial, Government Relations, and Strategy to secure vital partnerships, funding opportunities, and pathways for commercializing fusion energy solutions.Key ResponsibilitiesMarket & Strategy DevelopmentIdentify, analyze, and prioritize markets for Focused Energy’s fusion solutions across energy utilities, industrial sectors, research, and government.Conduct competitive landscape assessments and monitor global advancements in fusion energy markets.Assist in formulating go-to-market strategies for fusion energy plants.Partnerships & Business ExpansionEstablish strategic partnerships with utility companies, industrial technology firms, and public sector entities.Engage with federal and state agencies (e.g., the German Fusion Action Plan) to facilitate the implementation of Focused Energy’s solutions.Represent Focused Energy at conferences, industry consortia, and in meetings with investors.Commercial Projects & ProposalsSupport the preparation of commercial proposals, responses to RFPs (e.g., German Fusion Action Plan), and feasibility studies.Collaborate with scientific and technical teams to translate technological advancements into commercially viable solutions.Assist in project-level financial modeling and business case development for future fusion facilities.Internal CollaborationWork cross-functionally with executives, technical experts, finance, and communications teams on commercial strategies.Help refine commercialization roadmaps for long-term product and service offerings (e.g., power plant deployment, energy delivery agreements, licensing models).

Join Sopra Steria as a Space & Defence Strategy & Market Development Manager. In this pivotal role, you'll spearhead initiatives to drive strategic growth within the space and defense sectors. Your expertise will help identify market opportunities, formulate strategies, and implement solutions that align with our clients' needs and industry trends.

Focused Energy is an innovative startup dedicated to revolutionizing the energy sector through the development of fusion energy technology. Our mission is to produce limitless clean energy, addressing the future global demand responsibly. By harnessing the power of laser-induced inertial fusion, we are on the verge of realizing a clean, efficient, and scalable energy solution that promises a secure energy future.We are looking for a highly skilled and motivated Senior Electrical Engineer to join our dynamic team. In this pivotal role, you will take ownership of electrical design throughout its entire engineering lifecycle—from initial architecture to design, integration, commissioning, and operational readiness. Your contributions will facilitate the transition from experimental physics to a reliable, industrial-grade fusion energy infrastructure.This position requires a comprehensive understanding of electrical engineering principles, where you will mentor junior engineers and ensure high standards in electrical design, installation, and integration across all projects. As a key technical resource in the electrical domain, you will collaborate closely with controls, mechanical, and facilities teams to deliver robust, safe, and well-structured systems.

Join our dynamic team at European Homecare GmbH as an Administrative Assistant (m/w/d). We are seeking a motivated individual to support our operations in a fast-paced environment. This role will involve a variety of administrative tasks, ensuring smooth office operations and providing exceptional support to our team.Key responsibilities include managing office communications, preparing documents, and assisting in project coordination. If you are organized, detail-oriented, and eager to contribute to our mission, we want to hear from you!

vivenu develops event ticketing technology used by leading organizations in live entertainment, including the Grammys, Golden Globes, Stanford University, and Hockenheimring. The company’s API-first platform supports ticketing for over 10 million end users and handles more than 1 billion requests each month. With offices in Darmstadt, Frankfurt, and other locations worldwide, vivenu provides event organizers with tools to manage their brand experience, access detailed data insights, and integrate ticketing into digital systems. The platform is designed to be customizable and intuitive, supporting complex ticketing needs for global clients. vivenu’s infrastructure is built for scale and reliability, enabling clients to deliver strong experiences and drive growth. Backed by over $65 million in funding, the company continues to expand its reach in the live entertainment sector. Role overview The Senior Application Security Engineer (d/f/m) will join vivenu’s team in Darmstadt or Frankfurt. This role focuses on strengthening the security of a high-traffic, API-driven ticketing platform that supports millions of users worldwide.

Join our dynamic team at publiccloudgroup as a Senior SAP BTP Consultant (m/w/d). In this role, you will leverage your expertise in SAP Business Technology Platform to deliver innovative solutions that drive business transformation. Collaborate with cross-functional teams to analyze client needs, design effective strategies, and implement high-quality SAP solutions in a remote or hybrid work environment.

About Focused EnergyFocused Energy is at the forefront of innovation with its revolutionary project, NeoLyte. We are pioneering compact, laser-driven radiation sources (LDRS) that integrate high-power laser technology to produce dual-mode sources emitting both MeV X-rays and fast neutrons. This modular platform facilitates real-time, non-destructive material inspection, even for complex or shielded items. NeoLyte addresses pressing issues in nuclear waste analysis, contraband detection, infrastructure inspection, and medical isotope production. Our unique technology combines high resolution, material specificity, and operational flexibility, unlocking potential far beyond traditional systems. Join our diverse team of laser and plasma physicists, engineers, and AI specialists as we establish our first pilot facility in Biblis, Germany, and drive towards market readiness and commercial deployment. As a Senior Optical Engineer, you will be instrumental in conceptualizing and implementing the optical systems vital to our product roadmap, leading projects, and collaborating across disciplines to develop cutting-edge optical solutions from concept to production.

Shape the Future of Live Entertainment TechnologyAt vivenu, we are at the forefront of revolutionizing event ticketing technology, serving prestigious global events such as the Grammys, the Golden Globes, Stanford University, and the Hockenheimring. Our innovative platform, supported by over $65 million in funding, transforms ticketing from a simple transaction into a strategic advantage, empowering event organizers to enhance their brand experience, gain valuable data insights, and integrate ticketing seamlessly into their digital ecosystems.With six offices around the globe and a commitment to growth, we offer a customizable, user-friendly solution paired with industry-leading support to tackle even the most complex ticketing challenges. Join us and help deliver exceptional experiences while driving real growth in the live entertainment sector.With a user base exceeding 10 million and a usage rate that quadruples annually, our infrastructure currently processes over 1 billion requests each month. Our API-first platform addresses complex system challenges at scale, ensuring performance, flexibility, and reliability for leading brands in live entertainment.