Full-Stack Developer (m/w/d)

Join our dynamic team at dreessommerse as a (Senior) Full-Stack Developer focusing on cutting-edge web technologies. You will work collaboratively to design and implement innovative solutions, enhancing user experience and optimizing performance across various platforms.

Join our team as a Senior Full Stack Developer - Web (f/m/d) in Berlin! About Us At think-cell, we are on a mission to empower teams to effectively manage and publish content through our innovative web platform. As a Senior Full Stack Developer, you will play a vital role in shaping and expanding our web ecosystem. This position is ideal for a forward-thinking web engineer who thrives on tackling complex technical challenges, making informed architectural decisions, and building systems that are robust and maintainable as requirements evolve. You will engage with both frontend and backend technologies to enhance our web platform’s technical foundation, creating scalable solutions that facilitate seamless content management and publishing. You will collaborate closely with cross-functional stakeholders, including design, marketing, product, and engineering teams, while retaining strong ownership over technical quality and the platform's long-term vision. Our Core Values Forward Thinking: Embracing change and challenging the status quo. Ownership: Taking pride in our work and learning from our experiences. Customer First: Prioritizing the delivery of lasting value. Unified Team: Fostering collaboration, respect, and integrity. Strive for Excellence: Setting ambitious goals and pursuing quality. Your Responsibilities Design, develop, and enhance features of our web platform across both frontend and CMS backend. Address complex technical challenges pragmatically, balancing speed of delivery with long-term maintainability. Drive architectural enhancements to strengthen our web ecosystem's robustness, scalability, and usability. Develop and optimize backend functionality using PHP and Laravel for integrations and internal tooling. Refine our CMS and publishing workflows to support efficient content operations without compromising technical standards. Enhance performance, Core Web Vitals, accessibility, and technical SEO foundations across the platform.

At TechBiz Global, we pride ourselves on being more than just a recruitment and software development agency; we are a dedicated German-based global partner focused on driving your business success. Our diverse and distributed team specializes in IT recruitment, outstaffing, outsourcing, software development, and consulting services, catering to over 100 clients across more than 20 countries. We are currently in search of a Senior Full Stack Developer to join one of our esteemed client's teams. If you are looking for an exhilarating opportunity to advance your career in an innovative environment, this role may be the perfect match for you.

Bei proalphagroup sind wir PRO YOU – denn der Mensch steht bei uns im Mittelpunkt. Wir setzen auf Verantwortung, fördern kontinuierliche Entwicklung und bieten ein unterstützendes Arbeitsumfeld, das sowohl berufliches als auch persönliches Wachstum ermöglicht – auch durch flexible Arbeitszeitmodelle.Empolis - Intelligenz für bessere EntscheidungenEmpolis ist ein führender Anbieter von cloudbasierter Software im Bereich der intelligenten Entscheidungsunterstützung, basierend auf Künstlicher Intelligenz. Als Teil der Proalpha Group agieren wir an 66 Standorten weltweit als digitaler Partner für den Mittelstand. Unser Ziel ist es, Knowledge- und Content Management intelligent zu verknüpfen, um durch unsere standardisierten SaaS-Produkte das Motto „DECIDE. RIGHT. NOW.“ zu realisieren. Täglich nutzen rund 700.000 professionelle Nutzer unsere Lösungen, um über 40 Millionen Endkunden zu bedienen. Wir sind zudem Gesellschafter des Deutschen Forschungszentrums für Künstliche Intelligenz (DFKI) und im Vorstand der Science und Innovation Alliance Kaiserslautern (SIAK) vertreten.Du arbeitest in Vollzeit in Berlin.

We are seeking a passionate Full Stack Developer to join our dynamic team at bitlane in Berlin. In this role, you will engage in the complete product development lifecycle, from brainstorming innovative ideas to deploying and maintaining our applications. The ideal candidate will possess a solid foundation in software engineering principles and best practices, coupled with a creative mindset to solve complex problems and develop new services. Your responsibilities will include both back-end and front-end development across various projects, collaborating with our international team to enhance different layers of our applications. Projects may range from simple applications to comprehensive e-commerce systems and sophisticated CRM platforms. If this resonates with your skills and aspirations, we invite you to apply!Responsibilities:Work closely with our software team to conceptualize and implement new features.Enhance our product and codebase using your analytical expertise.Expand and innovate our existing web technology offerings.Develop and maintain tools for software and data interaction.Champion test-driven development practices, including code reviews, unit testing, and documentation.Collaborate with project managers to define project scopes.Effectively communicate your progress and adhere to deadlines established with project managers.

Axel Springer SE is looking for a Senior Full-Stack Engineer to help build and improve scalable web applications in Berlin. This position involves working across the full software development lifecycle, from initial concepts through deployment. The team values practical solutions and strong collaboration. Role overview This role focuses on designing, developing, and optimizing web applications. Daily work includes both front-end and back-end tasks, ensuring that features are well integrated and reliable from start to finish. What you will do Develop and maintain scalable web applications Participate in all stages of the software development lifecycle Work closely with team members to ensure smooth integration and functionality Location This position is based in Berlin.

flix is looking for a Senior Full Stack Engineer (m/f/d) to join the Demand Division in Berlin. This position centers on building and improving contact center applications, with a strong emphasis on scalable interfaces and automation that support agent workflows. Role overview As part of the development team, this engineer will help shape software products used at scale. The role involves working on both design and implementation, with a focus on discovering and refining workflows that drive efficiency and effectiveness for contact center operations. Current tech stack Languages & Frameworks: Python, JavaScript, TypeScript, Java, Flask, FastAPI, Node.js, React, Spring Boot Cloud Providers and IaC: AWS, Azure, Terraform, Serverless Data Layer: Elasticsearch, Snowflake Streaming and Messaging Layer: Kafka Observability: Datadog, Kibana What you will do Develop and maintain scalable interfaces and automations for contact center applications Contribute to the design process to identify and implement optimal workflows Collaborate with the team to evolve software products for large-scale use

KAYAK is part of Booking Holdings (NASDAQ: BKNG) and operates as a leading travel search engine. The company processes billions of queries across its platforms, helping travelers find flights, hotels, rental cars, and vacation packages. KAYAK also develops solutions for business travel, including KAYAK for Business. The Berlin office is home to a growing team that works on a portfolio of well-known metasearch brands such as momondo, Cheapflights, and HotelsCombined. Innovation remains central to KAYAK’s approach, and each team member has the opportunity to contribute to the company’s mission: building the best travel search engine for effortless global exploration. This Full Stack Engineer role focuses on developing and improving KAYAK’s B2B platform. The platform serves established clients and is positioned for further growth. The position is based in Berlin and requires in-office presence at least three days per week. What you will do Work closely with a global team to develop B2B products. Partner with designers, product managers, and commercial teams to define and deliver new features. Design and build scalable, high-performance solutions. Contribute to architecture decisions that improve performance, quality, and code reusability. Troubleshoot and resolve recurring technical issues. Use AI coding tools to increase productivity. Requirements Degree in Computer Science or a related field. At least 5 years of professional experience in web development. Strong skills with TypeScript, React, and CSS (Sass or Less) for front end work. Experience with Java, Java Spring, JVM ecosystems, and familiarity with databases such as PostgreSQL, MySQL, or Redis. Comfort with writing unit and end-to-end tests. Proven debugging ability in a full-stack environment. Benefits Health Insurance 401k

Your MissionAs a Principal Full Stack Developer at cosuno, you will take on the pivotal role of a technical leader, influencing the evolution of our platform while mentoring fellow engineers. You will tackle complex technical challenges, ensuring our systems are scalable, reliable, and future-proof.Your responsibilities will include:Driving the technical vision and architecture of our core product, collaborating closely with our Machine Learning team to seamlessly integrate innovative AI features.Leading the design and implementation of extensive technical projects, such as advancing our monorepo strategy and migrating critical services to new architectures.Mentoring senior engineers to enhance their skills through code reviews, architectural guidance, and the establishment of best practices.Collaborating with product and engineering leadership to identify and mitigate technical risks in the product roadmap for the upcoming 1-2 years.Our Engineering CultureAt cosuno, we foster a calm, collaborative, and productive engineering environment. We empower our engineers with the autonomy to excel. Our approach includes:Agile & Fast-Paced: We engage in trunk-based development with daily releases to deliver value to our users promptly.Quality by Default: We uphold a rigorous Cypress E2E test suite and enforce stringent typing, linting, and formatting rules to maintain a clean and maintainable codebase.DevOps Mindset: Our CI/CD pipeline, which deploys to AWS via Kubernetes, is managed as code using Terraform.Collaboration & Transparency: We value open discussions, constructive code reviews, and a culture where the best idea prevails, regardless of its source.

About UsMelotech is at the forefront of transforming the media and entertainment landscape. We blend art and technology to craft experiences that resonate with humanity. In just two years, our creations have captivated audiences globally, amassing over 3 billion minutes of engagement.Founded by visionary entrepreneur Soheil Mirpour, we are proudly supported by renowned venture capitalists such as Cherry Ventures, Speedinvest, and GFC, along with esteemed angel investors from industry giants like Spotify, Blackstone, and KKR.Your RoleAs one of our pioneering developers, you will connect beautifully designed front-end interfaces with robust back-end systems. You will confront critical challenges: How can we construct scalable systems without sacrificing simplicity? What is the most efficient path to deploy essential functionalities? How can we integrate AI seamlessly into our processes? Working autonomously alongside our founder and the team, your innovative solutions will play a key role in our success. Your daily responsibilities may include:Taking ownership of features across the full stack, crafting clean code for both front-end and back-end systems.Collaborating with commercial teams to design and implement platform enhancements.Utilizing AI coding assistants and cutting-edge development tools to streamline workflows and uphold code quality.Developing strong APIs and integrating AI models into production environments.Creating comprehensive solutions that unify individual data flows into cohesive models across various domains.Contributing creative ideas and making decisive choices that shape our technological framework.Your ProfileWe seek innovative, driven, and talented full-stack engineers who can propel our business forward through technical ingenuity. You are not just a coder; you turn concepts into intuitive and powerful software, utilizing AI-enhanced workflows to deliver production-ready MVPs rapidly. Your qualifications typically include:Currently pursuing a degree in Computer Science or a related field, with relevant full-stack development experience.Proficiency in core programming languages and hands-on experience with modern web frameworks, preferably Node.js/Next.js, and databases.Expertise in AI coding tools and development agents integrated into your everyday workflow.Experience in building and deploying production-ready full-stack applications.Strong teamwork and communication skills to collaborate effectively with cross-functional teams.

Join smava, the leading online credit comparison platform in Germany, where we strive to make loans transparent, fair, and affordable! With over 300,000 satisfied customers, we are shaping the digital future of the consumer loan market. Become a part of our innovative team!Our development teams are organized around the customer journey, taking complete ownership of their respective platform segments and services. Working autonomously, we empower teams to make decisions within our exciting roadmap, fostering a responsible and collaborative environment.YOUR NEW TEAMWe are on the lookout for a Senior Full Stack Engineer to enhance our Customer Communication team. Our mission is to streamline the loan application process by creating an innovative omni-channel communication landscape. By developing services that ensure timely and meaningful interactions with our customers—via email, SMS, RCS, WhatsApp, and our automated dialer for calls—we aim to elevate the customer experience. Our team continuously optimizes the customer journey through data-driven experiments.WHAT YOU WILL BE DOINGDevelop and maintain data-intensive Node.js and TypeScript services operating on AWS Lambda and Kubernetes.Ensure the reliability and stability of customer communication services through effective traffic management.Design and implement new features while enhancing existing systems to optimize performance and efficiency.Contribute innovative ideas to integrate artificial intelligence into our processes.Engage actively in team decision-making regarding goals, timelines, and tech stack.Work closely with our Product Owner to continuously evolve features within our domain.Own the development and operations processes, adhering to our

Your MissionJoin our dynamic Engineering team as a Senior Full Stack Developer, where you will not only craft code but also tackle intricate challenges and take ownership of features from inception to deployment. Your contributions will directly influence a product that empowers thousands of construction professionals to shape the world around us.In your initial months, you will:Create and implement innovative AI features, including our newly launched AI agent for editing Bill of Quantities (BoQs) and automated AI bidder recommendations.Work collaboratively with product managers and designers to refine the user experience and set the technical direction of our core offerings.Design and construct modular packages and services within our monorepo to enhance the structure and maintainability of our codebase.Our Engineering CultureAt cosuno, we cultivate a calm, collaborative, and productive engineering atmosphere. We empower our engineers with the autonomy to excel in their work. Our development philosophy includes:Agile & Fast-Paced: We practice trunk-based development and implement daily releases to deliver value quickly to our users.Quality by Default: A thorough Cypress end-to-end testing suite and strict adherence to typing, linting, and formatting standards ensure our codebase remains clean and maintainable.DevOps Mindset: Our efficient CI/CD pipeline deploys to AWS using Kubernetes, with infrastructure managed as code via Terraform.Collaboration & Transparency: We prioritize open dialogue, constructive code reviews, and a culture where the best idea prevails, regardless of its source.Your ProfileWe seek a passionate and experienced engineer eager to build exceptional products. You will thrive in this role if you possess:Extensive professional experience in developing, deploying, and maintaining complex web applications using TypeScript.In-depth knowledge of Node.js for backend development and strong proficiency in React for frontend tasks.A practical problem-solving mindset with a high sense of ownership, comfortable driving projects independently.Experience in collaborative, agile product teams.Excellent communication skills in English.Bonus Points For:Experience with cloud services, DevOps practices, or machine learning frameworks.

Role overview N26 GmbH is hiring a Senior Full-Stack Security Automation Engineer in Berlin. This role focuses on building and automating security processes that protect the company’s mobile banking platform and technical infrastructure. What you will do Design and implement automation frameworks to support security operations Collaborate with engineering, product, and operations teams to integrate security into daily workflows Develop security solutions for both front-end and back-end systems, protecting users and internal platforms Review and refine security protocols and practices on an ongoing basis Requirements Experience working with both front-end and back-end technologies Track record of automating security processes and frameworks Understanding of secure coding principles and cloud security Ability to work effectively with cross-functional teams This position plays a key part in defending N26’s applications and users from changing security threats. Engineers who like building practical solutions and improving security at scale will find this work meaningful.

Full-Stack Engineer (TypeScript) Company Overview At Orcrist Technologies, we are dedicated to developing the Orcrist Intelligence Platform (OIP), a cutting-edge data intelligence solution that is secure, Kubernetes-native, and available as both SaaS and self-hosted/on-premise options. Our platform is designed for defense, law enforcement, and enterprise teams that require mission-critical software. Role Overview As part of the Core squad, you will be responsible for the development of OIP’s web application, APIs, and administrative experiences. Your role will involve delivering comprehensive TypeScript features utilizing Next.js and Node.js/tRPC, enhancing Identity and Access Management (IAM) user experiences, and ensuring that our workflows are secure-by-default for all customers. Key Responsibilities Develop and maintain administrative consoles, IAM flows, notifications, and collaborative features. Implement secure authentication patterns using Keycloak/OpenFGA and create tamper-evident audit views. Deliver accessible and high-performance React components, ensuring robust testing and telemetry. Engage in on-call duties, observability efforts, and incident response for Core services. Work closely with Design, Platform, and customer-facing teams to prioritize impactful initiatives. Qualifications 3 to 7 years of experience in building production-grade TypeScript applications across both frontend and backend. Proficient in React/Next.js, Node.js/tRPC (or similar frameworks), along with modern testing tools. Familiarity with OAuth2/OIDC, RBAC/ABAC, and secure UI patterns. Comfortable with Kubernetes and GitOps workflows, and willing to participate in on-call rotations. Eligible to work in Germany; EU/NATO citizenship is preferred for export control compliance. Preferred Qualifications Experience in real-time collaboration technologies (WebSockets, CRDTs), accessibility standards, or design systems. Exposure to Temporal.io, graph/map visualization, or products in regulated industries. Proficiency in the German language (B1+) or prior experience working with defense or law enforcement clients. What We Offer A modern TypeScript technology stack, engaging security and observability challenges, and high levels of autonomy. A remote-first work environment in Germany, along with a hybrid office option in Berlin, 30 days of vacation, and an equipment budget. The opportunity to engage in mission-driven work with a tangible impact on public safety and national security.

Join Our Team as a Senior Full-Stack Engineer!Are you a driven and inquisitive Senior Full-Stack Engineer (Java/Kotlin)? We invite you to become an integral part of our Supply Division at Flix and elevate the customer station experience to unprecedented heights!As our network continues to expand, Flix customers across the globe anticipate a smooth and enjoyable experience at our stations during their travels. Our self-organized, cross-functional, and distributed team develops innovative solutions to empower Flix station managers in efficiently managing station inventory, which is essential for numerous internal tech teams at Flix, ultimately enhancing the overall experience for millions of passengers.In this role, you will be instrumental in shaping the product landscape by spearheading innovation, tackling complex challenges, and leaving a significant impact on our organization.

Join finanzcheck, the premier online loan comparison platform in Germany, and be part of shaping the future of the credit market. Our commitment to excellence has earned us the prestigious Kununu Top Employer Award in 2022. Become part of our success story today! At finanzcheck, our development teams are strategically aligned along the customer journey, fully responsible for their respective areas of the platform and related services. Operating autonomously and self-managed, we champion effective network structures that empower teams to make informed decisions throughout our exciting roadmap, fostering shared responsibility and collaboration among all members. YOUR NEW TEAM We are on the lookout for a Senior Full Stack Engineer to join our Customer Communication team. Our mission is to facilitate optimal loan application processes by creating an innovative omni-channel communication landscape. We build services that ensure timely and meaningful interactions with our customers through various channels, including email, SMS, RCS, WhatsApp, and our fully automated dialer for inbound and outbound calls, which serves as a core service for our loan advisors. Additionally, we continuously enhance the customer experience through data-driven experiments and a sophisticated self-built optimization framework. WHAT YOU WILL BE DOING Develop and maintain a data-intensive distributed environment utilizing Node.js and TypeScript services hosted on AWS Lambda and Kubernetes. Ensure the stability and reliability of customer communication services through efficient traffic management and monitoring. Conceptualize, develop new features, and optimize existing systems to enhance business-critical performance and efficiency. Proactively propose ideas for integrating artificial intelligence to improve our systems and processes. Engage actively in team decision-making regarding objectives, concepts, timelines, and technology stack. Collaborate closely with the Product Owner to plan and continuously evolve new features within the team’s domain. Take end-to-end ownership of development and operations, adhering to our principle of “you build it, you run it, you own it,” which encompasses DevOps responsibilities. YOUR PROFILE Proven experience with Node.js and TypeScript. ...

At AKQA, a proud member of WPP, we harness the creative potential of art and science to forge innovative ideas, products, and services. Our entrepreneurial spirit and collaborative mindset empower us to design adaptive digital experiences that not only captivate but also create a significant impact for our clients.Our Technology teams thrive at the convergence of creativity and engineering, crafting groundbreaking platforms for some of the world’s most renowned brands. We blend technical prowess with a culture of experimentation and craftsmanship, delivering scalable, forward-thinking solutions in close partnership with Creative, Strategy, and Delivery teams.As a Senior Web Developer, you will be instrumental in constructing modern, composable digital platforms. Your hands-on experience with state-of-the-art technologies will allow you to collaborate across disciplines, delivering high-impact, scalable solutions for global clients.Your role will be both practical and inspirational, fostering an exemplary technical team atmosphere. You will engage closely with colleagues to promote effective collaboration across all fields and to help navigate daily challenges. We seek a talented Senior Web Developer who is a proactive problem-solver and collaborative leader, with over 6 years of extensive frontend or full-stack development experience in agency, product, or enterprise-scale settings, demonstrating a successful history of delivering scalable digital solutions.

Join Entyre, a dynamic health tech scale-up that is reshaping the healthcare landscape in Switzerland and the United States. With over 500 employees across global offices in Zurich, Berlin, Boston, Chicago, Detroit, Washington, and Denver, we are on an exciting growth trajectory.Our Berlin tech hub is seeking a Senior Full-Stack Engineer who is passionate about crafting and scaling our core platform. This role offers an opportunity to take ownership of our software solutions, emphasizing workflow automation and data analytics. You will be part of a dedicated team in Berlin, responsible for enhancing our two primary software products while continuously delivering high-quality features. Our technology stack includes Node.js, TypeScript, and Vue.js.Your Responsibilities:Software Development: Design and implement high-quality applications and software solutions.Technical Proficiency: Use your expertise to tackle our technical challenges effectively.Team Collaboration: Work closely with cross-functional teams including Product, Operations, and Patient Care Teams.Project Management: Manage technical projects from inception to deployment, ensuring a smooth development cycle.What We Provide:Significant role in a compact, skilled software team.Modern office environment in vibrant Kreuzberg, with flexibility for up to 3 days of remote work each week.Monthly mobility allowance for public transport, biking, or shared mobility options.Attractive employee discounts.Strong team culture with regular events, refreshments, and snacks in the office.

About the CompanyAffinidi is a pioneering technology firm dedicated to revolutionizing data ownership. We empower both businesses and individuals to take control of their data with a holistic approach to identity management, ensuring security and privacy while accounting for every aspect of their digital presence.Our innovative solutions facilitate decentralized digital identities, championing the belief that everyone should have the right to manage and control their data. We are committed to establishing a trusted ecosystem of digital credentials that enable secure data and service exchanges across various industries and borders. About the Role:We are on the lookout for a passionate and seasoned Staff Software Engineer (Full Stack) to become a vital part of our engineering team. In this role, you will be responsible for creating robust, scalable applications that enhance user experience and drive our mission forward.