(Senior) Full Stack Developer - Web (f/m/d)

think-cell

About The Role  At think-cell, we are continuously improving how professionals create business presentations by introducing smarter automation and assistance features into our product. In this role, you will help turn new ideas and early AI-driven concepts into reliable features used by more than 1.3 million users worldwide.  You will build production-ready systems that connect modern backend services with intuitive user interfaces. In this role, you will work closely with both C++ engineers developing the core product and AI engineers exploring new automation capabilities, helping bring new functionality from concept into everyday product usage.  This role is ideal for engineers who enjoy building clean, scalable systems, care deeply about code quality, and are motivated by shipping impactful features in a highly collaborative engineering environment.    What you will do  * Build and maintain production-ready backend and full-stack features using TypeScript  * Integrate AI-powered functionality into the think-cell product, such as text editing assistance and automated slide creation  * Work closely with C++ engineers and AI engineers to translate ideas and prototypes into robust product features  * Contribute to a strong engineering culture with rigorous code reviews and high standards for code quality    You will be great for this position if you have  * A degree in computer science, mathematics, physics, or a similar technical field * Relevant experience as a backend or full-stack engineer  * Strong experience with TypeScript and Node.js in production environments  * Curiosity about AI technologies and interest in integrating them into real-world products  * Experience with Python or C++  is a plus      What We Offer * Brilliant Team: Work with international colleagues with strong academic and professional experience  * Work–life balance: Flexible working hours and an environment that respects your time and focus. * Stable Environment: Join a market leader with a reliable product. * Direct Exposure to C-level * Competitive salary & Relocation Support to Berlin     Why is think-cell the right place for you?   At think-cell, we’re not just building innovative software – we’re empowering over 1.3 million business users across 35,000 companies, including the world’s top consulting firms, DAX 40 leaders, and the biggest US blue-chip enterprises. With offices in Berlin, Denver, Boston, London, Tokyo, and Dubai, we are a diverse, passionate team of over 220 people, united by a shared commitment to excellence and innovation.   Our proprietary technology sets the standard in business document creation, and we're in a dynamic, growing market with enormous potential. As we continue to lead the way in our industry, we’re looking for talented individuals who can help us shape the future of business productivity.     Our Values    At think-cell, our values are at the heart of everything we do. They guide how we work, collaborate, and create value for our customers. As part of our team, you will embody and help shape the following principles that define us:   * Forward Thinking: We are adaptable innovators – we embrace change, value progress, and challenge the status quo to find the best solutions.   * Ownership: We take pride in our work – we own our mistakes, learn from them, and go the extra mile to deliver exceptional results.   * Customer First: We are committed to our customers – we understand, prioritize, and deliver lasting value through meaningful solutions.   * Unified Team: We cultivate collaboration and value every voice – we prioritize integrity and respect, ensuring everyone feels heard, supported, and aligned in our shared mission.   * Strive for Excellence: We are driven by excellence – we set ambitious goals, pursue quality relentlessly, and foster growth through exceptional talent.     Join Our Journey   We encourage you to apply even if you feel you don’t meet every single requirement. At think-cell, we celebrate diversity because we know it drives creativity and excellence. We welcome individuals from all backgrounds who are passionate about making a real impact.   Joining us means more than just a job – it’s an opportunity to be part of an inclusive, innovative, and supportive team that values collaboration and growth. Together, we can push boundaries and achieve great things.   Let’s shape the future of productivity together. We can’t wait to see what you’ll bring to our team.

ZEAL Network

ZEAL Network SE is a dynamic, international group of companies that has been creating exciting and innovative lottery experiences for over 20 years. As Germany’s largest provider of online lotteries through our brands LOTTO24 and Tipp24, and a trusted partner of Spain’s ONCE, the second-largest national lottery, we’re shaping the future of the lottery industry. We are passionate about driving innovation, as demonstrated by our newest brands, Freiheit+ and Traumhausverlosung, which bring fresh and exciting dreams to life. Additionally, through ZEAL Ventures, we invest in inspiring e-commerce start-ups like Omaze and DAYMADE, fueling fresh ideas and opportunities. We are looking for a (Senior) Full Stack Next.js Developer (f/m/d) to join our team and contribute to building scalable workflows, integrating backend services and defining reusable frontend patterns for a platform used by internal colleagues across multiple markets and business domains. With direct access to users, you will help shape practical solutions together with Product and UX. YOUR TASKS: * Shape and build a modern Next.js application from scratch, creating the technical foundation for a scalable internal platform * Take ownership of frontend topics and drive technical decisions * Work closely with product, design and backend teams in a lean, agile environment * Integrate and evolve RESTful APIs in collaboration with backend engineers * Ensure high-quality implementation of UI/UX designs with a strong focus on performance and scalability * Write and maintain tests to ensure reliability, security and performance * Contribute to deployment, monitoring and overall application stability together with DevOps * Identify and drive improvements in performance, user experience and conversion * Measure, analyze and iterate on product features based on data WHAT YOU OFFER US: * Strong experience as a Senior Full Stack or Frontend Engineer with a focus on modern web technologies * Deep expertise in JavaScript, React and Next.js (App Router, Server Components, Server Functions) * Proficiency in TypeScript, HTML5 and CSS3 * Hands-on experience with tools such as Tailwind CSS, React Hook Form, TanStack Query, Zod, Shadcn/UI or similar (Tailwind CSS is a must have, everything else nice to have) * Ability to write clean, maintainable and performant code and design scalable architectures * Solid experience integrating and working with REST APIs * Experience with testing strategies for frontend applications (nice to have) * Interest in using modern development tools, including AI-assisted workflows, to improve productivity and quality (nice to have) WHAT WE OFFER * State-of-the-art technologies and an agile environment (Check our Tech Radar: https://lotto24.github.io/tech-radar/) * A modern, dynamic culture grounded in the success of a leading-edge e-commerce company. * A talented team of ambitious, like-minded colleagues where your knowledge and ideas truly make an impact. * Ongoing personal growth, supported by an annual development budget of €1,500 to invest in your professional development. * Trust and autonomy, no micromanagement, just confidence in your ability to deliver and excel. * Flexible work options with a hybrid setup focused on results. * Unlimited vacation days in addition to your yearly 30-day vacation allowance. * Opportunity for workations abroad using our WorkFlex tool. * Monthly mobility allowance of €30 to use on the mobility option of your choice (e.g., the Deutschlandticket), plus access to a company bike leasing program. * Company pension scheme, provided in partnership with Degura, to support your future financial security. * Subsidized EGYM WELLPASS membership, with a contribution of only €25 per month, giving you access to a wide range of gyms and sports options across Germany. * Monthly company events, team activities, and informal gatherings, including our popular company-wide lunches provided four days a week. Not ticking every box or think you’ve got that unique set of skills we haven’t realized we need? Get in touch anyway, we’re always looking to add great people!

NavVis

OUR VISION When people use our technology to "bridge the gap" between the physical and digital worlds, they don’t just capture reality - they create a new one. In this new reality, they are smarter, more productive, more streamlined, and more creative - because they have the digital foundation to build the world they want to live in. That’s what NavVis offers in all our products and services: the tools to not just map the world as it is, but to pave the way to a better future. To forge something new. Physical or digital, there is only one reality. And it’s the reality NavVis empowers people to build better.    THE OPPORTUNITY Are you excited by the idea of building the technology behind immersive, browser-based 3D experiences at global scale?  We are looking for a Senior Software Engineer, Full-Stack (F/M/D) to help advance our flagship product, NavVis IVION — a cutting-edge web platform for exploring and managing photorealistic digital twins directly in the browser.  In this role, you will design and implement key parts of our client–server architecture, working with technologies such as Java, Spring, TypeScript, Angular, and PostgreSQL/PostGIS. You’ll collaborate closely with product, design, and fellow engineers to deliver scalable, reliable, and high-quality features that bring real-world spaces to life.    HOW YOU WILL MAKE AN IMPACT * Design, implement, and maintain backend and frontend components of NavVis IVION, ensuring performance, reliability, and ease of use.  * Develop and extend our Java/Spring-based application server and Angular/TypeScript web client, powering 3D visualization, mapping, and data management features.  * Contribute to the evolution of our PostgreSQL/PostGIS data layer that stores and processes geospatial data at scale.  * Build and enhance APIs that enable digital enrichment of environments and integration with third-party systems.  * Collaborate with product managers, designers, and other engineers to translate user and business needs into robust technical solutions.  * Maintain high engineering standards through code reviews, testing, and performance optimizations.  * Support and mentor engineers with varying levels of experience within your squad, foster knowledge sharing, and encourage continuous improvement.    WHAT WILL HELP YOU SUCCEED IN THE ROLE Core requirements * You bring substantial experience in software development (typically 7+ years), with a proven track record of delivering complex systems.  * Deep expertise in Java, Spring, Hibernate, and modern web application architectures, as well as advanced frontend experience with Angular and TypeScript.  * Strong knowledge of relational databases (PostgreSQL/PostGIS) and building scalable, data-intensive services.  * Demonstrated ability to define technical roadmaps and drive consensus in cross-functional environments.  * Experience delivering APIs and SDKs, as well as gathering developer feedback to guide future improvements.  * Excellent communication and collaboration skills, with the ability to contribute and help shaping technical direction across teams and organizations  Bonus if you bring * Working knowledge of C++ is very welcome; while not our primary daily language, it is occasionally required for specific projects.  * Exposure to AWS Services, geospatial data, or 3D graphics/WebGL development.    HOW WE WILL KNOW WE ARE A PERFECT MATCH Your recruiting partner for this role is Lenka (she/her). You can expect to go through a screening call, and up to 4 rounds of interviews, where we would love to discover your passion and interests, introduce you to who we are and what drives us, and finally understand how we can potentially add value to each other's growth.   HOW WE WILL KEEP YOU SMILING * It's important to take a break from work! We offer 30 days of paid time off per year * Affordable access to a vast network of fitness and wellness facilities through EGYM Wellpass subsidy * Deutschlandticket subsidy to support sustainable travel using public transport * We offer flexible working hours and a hybrid work setup, enabling you to plan your work around your life, and not your life around work! * We offer full visa and relocation support for international candidates * An attractive bike leasing model through JobRad, in line with our commitment towards sustainable mobility * A competitive compensation package that values the skills and experience you bring * Up to 4000 EUR employee referral bonus  * Financial support for local language classes to help you in your journey of integrating into the culture!   ABOUT US   NavVis is a technologically-focused, global leader in reality capture and digital factory solutions. Prominent manufacturers and laser scanning professionals around the world trust our ground-breaking technology, designed to capture and share the built environment as photorealistic digital twins. By bridging the physical and digital worlds, we’re helping organizations make smarter decisions and build more efficient, connected operations.   With over 300 people from around 60 nationalities and offices around the globe, we’re proud to be a truly international and diverse place to work. As a scaling company, we bring together the agility, innovation, and entrepreneurial mindset of a startup with the professionalism and reliability of an established enterprise — offering our team the best of both worlds.   You’ll be part of an open culture that values trust, collaboration, and transparency. We are proud of our environment where diverse talent can thrive and where feedback fosters individual growth and development. Do you share our passion for disruptive technology and want to be part of our dynamic journey? At NavVis, you’ll own your projects, bring innovative ideas to life, and have real opportunities to grow your career and be recognized for your impact.   We derive our strength from our diversity. NavVis’ unwavering commitment to fostering an inclusive and diverse workplace has laid the foundation for our incredible growth. We thrive on the collective strength of our people who come from diverse backgrounds. We respect and value every experience associated with race, gender identity, sexual orientation, nationality, religion and disability. We do not discriminate on the basis of any of these, or other identities, and strongly encourage everyone to apply. Together with you, we build NavVis! If you need assistance at any stage of the recruiting process due to a disability, please reach out to your recruiting partner(s) for this position.