React Engineer

About Air Apps Air Apps builds AI-powered tools designed to help people plan, work, and live more effectively. Founded in Lisbon, Portugal in 2018 by a family with a clear vision, the company has grown to operate from both Lisbon and San Francisco. Air Apps remains self-funded and has reached over 100 million downloads worldwide. The team focuses on creating…

Hello! At AMBOSS, we are on a mission to revolutionize medical education, and we are seeking a dedicated Software Engineer to join our innovative team!About AMBOSSFounded in 2012, AMBOSS is a forward-thinking learning and clinical decision support platform designed to empower medical professionals worldwide. Our cutting-edge technology transforms the way healthcare providers acquire and implement scientific knowledge, enabling them to offer the best possible care. Our team, known as AMBOSSians, is passionate about supporting clinicians and making their practice easier and more enjoyable.Why Join Us?As a Software Engineer in our ExamPrep Team, you will play a pivotal role in supporting healthcare learners as they prepare for exams. We provide personalized and adaptive Qbank content, predictive analytics, and tailored study recommendations, fostering confidence in approaching their assessments. Your contributions will directly impact the success of current and future medical professionals.Curious about our culture? Check out our video to discover what sets us apart.Your Responsibilities:Explore a diverse and complex product landscape, becoming an expert in both technical aspects and medical education requirements.Enhance personalized learning experiences through the deployment of deep analytical insights.Take ownership of feature development from inception through deployment and monitoring.Create testable prototypes and transition them into robust production systems.Contribute to the strategic vision and roadmap of the team’s product development.Collaborate closely with engineers, product managers, designers, medical editors, and marketing teams.Foster a strong engineering culture by sharing knowledge, practices, and experiences.Participate in team workshops at AMBOSS offices (travel approximately every two months).Your Profile:Proficient in Python with strong backend development expertise.Experience with frontend technologies (React, JavaScript/TypeScript) in a professional setting.Ability to work collaboratively in a team-oriented environment.Enthusiasm for continuous learning and professional development.

Join Finanzcheck, the premier online loan comparison platform in Germany. We are at the forefront of revolutionizing the credit market and were honored with the Kununu Top Employer Award in 2022. Be part of our exciting journey! Our engineering teams work with a high level of autonomy, taking full ownership of their respective areas within our platform, including associated services and systems. We promote collaborative environments with clear technical protocols and shared standards that enable smooth interactions. By leveraging deep expertise, maintaining open communication, and engaging in collective decision-making, we successfully navigate our ambitious roadmap. YOUR NEW TEAM We are searching for a Senior Software Engineer to join our Offers and Checkout team, dedicated to empowering loan customers with intuitive and transparent digital services. Our goal is to ensure a seamless transition from loan selection to checkout, allowing our customers to feel confident and in control at every step. Our cross-functional team comprises Frontend, Full Stack, Backend, Quality Assurance, and Design roles, collaborating closely with our Product Owner and stakeholders. WHAT YOU WILL BE DOING Own and deliver complex end-to-end features for our Offers, Checkout, and Customer Area domains, utilizing React and TypeScript for the frontend and Node.js (TypeScript) for the backend. Act as a driving force for Automation and AI-driven UX development, leveraging your expertise to identify, test, and integrate AI solutions to enhance our development speed and testing quality. Build and maintain stable, scalable services within a data-heavy, distributed AWS environment, utilizing Kubernetes, AWS Lambda, and event-driven architectures. Collaborate closely with Product Owners and UX Designers to create high-conversion customer journeys, ensuring a trustworthy and seamless self-service experience. Drive high engineering standards for code quality, performance, and security, while actively participating in technical decision-making regarding technology stack, tools, and architecture within the team. Embody the philosophy of

Role overview airapps seeks a React Native Engineer to build mobile applications for users in the Berlin Metropolitan Area. This position centers on developing reliable, thoughtfully designed apps that enhance how people use airapps products. What you will do Develop mobile applications with React Native Work closely with design and development teams to deliver smooth, efficient solutions Support the quality and performance of features that users interact with directly Location This role is based in the Berlin Metropolitan Area.

Role overview AMOSS is looking for a Backend Engineer to work on Content-API development. The position centers on backend systems that influence both user experience and overall system performance. Go is the main programming language, and the work includes close collaboration with teams using React. What you will do Develop and enhance backend APIs for content delivery Write clear, maintainable code in Go Work alongside frontend teams that use React Identify and solve complex backend issues Help improve system performance Location This role is based in Berlin.

Join us at smava, a leading online credit comparison platform dedicated to making loans transparent, fair, and affordable. With a community of over 300,000 satisfied customers, we're proud to stand among Germany's foremost FinTech companies. Be part of our mission to revolutionize the consumer loan market and shape its digital future!Our engineering teams enjoy a high degree of autonomy and are responsible for their specific areas within the platform, including associated services and systems. We prioritize collaboration, ensuring clear technical contracts and common standards for seamless interactions, while fostering a culture of open dialogue and joint decision-making. This approach empowers us to execute our ambitious and exciting roadmap successfully.YOUR NEW TEAMWe are seeking a passionate Senior Software Engineer to join our Offers and Checkout team. Our mission is to empower loan customers with intuitive and transparent digital services that are trustworthy and self-serve. We aim to provide a smooth journey from loan selection to checkout, ensuring our customers feel confident and in control throughout the process. Our cross-functional team includes Frontend, Full Stack, Backend, QA, and Design roles, working in close collaboration with our Product Owner and various stakeholders.WHAT YOU WILL BE DOINGOwn and deliver complex end-to-end features across the Offers, Checkout, and Customer Area domains utilizing React and TypeScript for the frontend and Node.js (TypeScript) for the backend.Drive Automation and AI-driven UX development, leveraging your expertise to identify, test, and implement AI solutions that enhance our development speed and testing quality.Build and maintain stable, scalable services in a data-intensive, distributed AWS environment using Kubernetes, AWS Lambda, and event-driven architectures.Collaborate closely with Product Owners and UX Designers to create high-conversion customer journeys, ensuring a seamless and trustworthy self-serve experience.Uphold high engineering standards regarding code quality, performance, and security, actively participating in technical decision-making (stack, tools, architecture) within the team.Embrace the philosophy of "you build it, you run it, you own it".

Join a Pioneering Cybersecurity Startup in Berlin!We are a recently funded startup at the forefront of cybersecurity and AI technology, seeking a Founding Full Stack Engineer (React/Go) to become an integral part of our founding team. You will play a key role in crafting the foundational elements of a cutting-edge AI-driven security risk management platform.Founded by seasoned cybersecurity experts hailing from Israeli Intelligence, we are looking for a dynamic and innovative individual who is passionate about cybersecurity and AI. This hybrid role will be based in the heart of Berlin, allowing you to thrive in a fast-paced startup environment while building complex platforms from the ground up.Our mission is to develop a next-generation cyber risk platform that empowers enterprises to effectively understand, measure, and mitigate identity risk at scale. You will be involved from day one in designing and developing core components of the platform, leveraging cloud-native systems, AI-driven analysis, and automated enforcement through AI agents.

Join our innovative team at auto1 as a Team Lead React Native Engineer (m/f/d). We are seeking a highly skilled individual to spearhead our mobile development efforts. You will lead a talented team in creating top-notch applications that enhance user experience and drive engagement. Your leadership will be pivotal in guiding projects from conception through to execution.

Join Atolls, the world's largest community-driven shopping platform, active in over 20 markets.We empower millions to make informed spending choices through seamless connections with brands and retailers.With a dedicated team of over 1,000 professionals across 10 countries, we create products that are used daily at a global scale, allowing you to take ownership and witness your impact. Ready to influence how people shop confidently? Read on.About This Role:We are seeking a Senior Full Stack Engineer to become a vital member of our Admin Experience team in Berlin, Germany. In this role at Atolls, you will play a crucial part in the development of new features and products, engaging with the entire technology stack from the database layer to the client interface. Your direct contributions will enhance the digital experiences our users depend on.Your efforts will shape how millions interact with our platforms, guiding them towards smart, fair, and rewarding choices.Our Benefits:At Atolls, we prioritize your personal and professional growth. Here’s what you can look forward to:A culture that promotes continuous development, with opportunities for internal mobility.A collaborative and open-minded team that values diverse perspectives and innovative ideas.32 days of paid vacation along with an additional day off for your birthday, ensuring ample time to recharge.A flexible hybrid working model that balances work and personal life.Access to a learning budget and internal training for your professional growth.Mental health coaching to support your well-being.Frequent global and local gatherings to celebrate achievements and foster connections.Potential for a sabbatical after three years with the organization.A cloud-based operational setup facilitating flexibility and collaboration regardless of your location.*These benefits apply globally...

Join Doctolib as a Senior Software Engineer specializing in JVM, Ruby, and React. In this pivotal role, you will design, develop, and optimize our software solutions to enhance healthcare accessibility across Europe. Collaborate with a talented team of engineers and play a key role in driving innovation in our technology stack.

Join our dynamic team at amboss as a Senior/Mid-level Fullstack Engineer, specializing in Shop & Payments. In this role, you will leverage your expertise in React and Go to enhance our payment solutions and e-commerce functionalities. Your contributions will directly impact our user experience, driving innovation and efficiency within our platform.

Join Our Product Enrichment Team at idealo, where we are responsible for some of the core components of the platform, including Editorial Content and Product Information. Our aim is to empower customers to make informed purchasing decisions.Our mission is to present the entire e-commerce market in a way that is clear, structured, and inspiring. We develop tools that assist our content teams in managing product listings while ensuring robust data management.The upcoming challenges are particularly exciting: We are driving the automated creation and maintenance of our product catalog using Machine Learning and AI, while optimizing our services for a modern, scalable AWS Cloud environment.Your ResponsibilitiesFull Stack Engineering: Develop sophisticated web applications using TypeScript/JavaScript, NestJS, React, Python, Kafka Streams.

bitlane is actively seeking a talented Senior Frontend Developer specialized in React to join our vibrant team. The ideal candidate will possess substantial and hands-on experience in JavaScript, have a solid understanding of TypeScript or ES6, and demonstrate proficiency with the React/Redux ecosystem. We value individuals who are passionate about crafting lean and user-friendly interfaces, ensuring an exceptional user experience. If you resonate with this, we encourage you to apply!Key Responsibilities:Designing and developing responsive, modern user interfaces utilizing JavaScript, HTML, and CSS.Delivering high-quality applications by designing and implementing new features into production.Establishing development, testing, and production environments across various platforms, browsers, and devices.Collaborating closely with backend developers to guarantee a seamless user experience and a robust overall architecture.Defining project scope in conjunction with a project manager.Communicating your work progress effectively and adhering to deadlines set by yourself and the project manager.

About Langdock Langdock builds a secure, model-agnostic platform that brings leading AI models into real workplaces. Over 6,000 organizations, from startups to some of Europe’s largest enterprises, use Langdock to draft strategies, analyze documents, and automate workflows. The goal: help teams work smarter, spark creativity, and reach their potential. Design Engineer: Role Overview Langdock blends design and engineering into a single discipline. As a Design Engineer, code is the source of truth, not just design files. This role involves close collaboration with product teams to understand challenges and deliver both visual and technical solutions. Expect to open branches, build pixel-perfect front-end interfaces, and either ship production-ready work independently or partner with product engineers to deliver features. This position suits someone who enjoys both design and coding, and who cares deeply about quality. Key Responsibilities Lead UI Development: Build new features and pages, turning complex problems into visually engaging and technically solid solutions that go live to users. Set Visual Standards: Apply a critical eye to spacing, typography, motion, and hierarchy. Challenge inconsistencies and uphold high standards across every interface. Code-First Workflow: Use Next.js and React as primary tools, implementing designs directly in the codebase with Tailwind. Figma is a starting point, but the final product is what users see and use. Rapid Prototyping: Build quick prototypes to help the team visualize ideas and guide decision-making. Full-Stack Skills: Confidently handle back-end tasks, whether writing Prisma queries or creating and modifying API routes, to ensure smooth integration with front-end work. Location Berlin

Design and implement cutting-edge features utilizing the latest JavaScript (ES2015), React, and Meteor frameworks.Engage actively in thorough code reviews to ensure code quality and best practices.Optimize and refactor existing code to enhance performance and maintainability.Assist in automating testing processes by developing both unit and integration tests.Drive continuous improvement by proposing enhancements to code architecture, development processes, or tooling.Collaborate effectively with team members to foster a productive working environment.

About the Opportunity Become a pivotal member of Contentful as a Fullstack Software Engineer (f/m/d) and spearhead innovation in Automations, Workflows, and Collaboration Tools. Join our forward-thinking team at Contentful, where we empower thousands of clients to manage content efficiently at scale. We are on the lookout for skilled Full Stack Software Engineers who are enthusiastic about developing scalable, high-performance applications with cutting-edge technologies. If you are eager to explore the frontiers of Automations, Workflows, and team collaboration within the Contentful ecosystem and possess expertise in TypeScript, React, and Node.js, we would be thrilled to welcome you aboard. What to Expect? Collaborative Innovation: Partner with product managers, designers, and fellow engineers to craft top-tier automation, workflow, and collaboration features for our users. Full Stack Development: Architect, build, and sustain scalable frontend and backend functionalities utilizing TypeScript, React, and Node.js. Collaboration Tools Enhancement: Integrate and implement collaboration technologies to boost team productivity and enhance user experiences across our platform. Holistic Design Perspective: Approach projects with a comprehensive view of components and systems to ensure a seamless user experience. Agile Problem-Solving: Swiftly address bugs and challenges to elevate customer satisfaction. Data-Informed Development: Leverage analytics to guide product decisions and enhance features. Continuous Improvement: Engage in code reviews and contribute to refining our development processes. Stay Informed: Keep abreast of the latest industry trends, especially in automations, workflows, and collaboration tools. Qualifications for Success Proven Expertise: Demonstrable experience as a Full Stack Software Engineer in a product development setting. Technical Mastery: Strong command of TypeScript, React, and Node.js. A keen interest in clean code practices and familiarity with enterprise architectural design patterns. Containerization Skills: Experience with Docker and Kubernetes. Problem-Solving Mindset: Ability to troubleshoot and resolve issues promptly, ensuring smooth operations.

Your RoleTransform business objectives into well-defined product specifications and feature outlines.Take charge of the user-facing booking process: including search and filtering, hotel detail pages, availability displays, and checkout workflows, while assessing conversion metrics.Make product decisions with a consumer-centric approach, ensuring clarity, trust, and simplicity while navigating technical limitations from backend systems (such as inconsistent availability models, rate structures, and cancellation policies) to create a seamless user experience.Collaborate closely with founders and backend engineers to ensure product vision aligns with technical execution.Iterate continuously on UX, flow structure, and user friction points based on real-world usage data.Engage in hands-on frontend engineering approximately 50% of the time.Dedicate around 30% of your time to defining product specifications based on business needs.Spend about 20% of your time coordinating with backend teams to influence API design and system behavior.

Join Almedia, a pioneering force in the marketing sector, where ambitious individuals can rapidly advance their careers. We are on a mission to become Germany's next bootstrapped unicorn, recognized as Europe’s #3 fastest-growing company in 2025 by the FT1000.At Almedia, we are revolutionizing marketing by rewarding our community of over 60 million users for their engagement with products from top-tier advertisers, creating a novel approach to user acquisition.We are seeking a seasoned Frontend Engineer who will take charge of our frontend architecture, uphold high standards of code quality, and play a pivotal role in shaping product direction through hands-on development and strategic partnerships.

ABOUT TALON.ONE:Talon.One is a leading incentives engine that seamlessly integrates loyalty, promotions, and gamification into a comprehensive platform. With robust enterprise-grade security and scalability, we empower businesses to create personalized and profitable promotional campaigns using a variety of data sources.Currently, more than 250 renowned brands, including Adidas, Sephora, and Carlsberg, utilize Talon.One to enhance customer engagement and foster long-term loyalty.ABOUT THE TEAM:Our development team is comprised of experts in frontend and backend development, quality assurance, product management, and visual design. We operate in small, cross-functional teams that promote collaboration and knowledge sharing. Each team is self-sufficient and responsible for a specific feature or area within our platform, fostering an environment of strong collaboration, open communication, and mentorship. We are committed to creating an inclusive workplace, recognizing its importance for our team and the broader tech industry.We are on the lookout for a mid-level Shopify Developer with a strong emphasis on frontend engineering to assist in building and maintaining integrations between Shopify and the Talon.One promotion engine.In this role, you will primarily focus on Talon.One's frontend applications and embedded Shopify apps that enable Shopify merchants to configure, manage, and monitor the implementation of Talon.One promotions in their stores. You will work closely with backend engineers, product managers, and solution teams to provide reliable, user-friendly, and high-quality integration experiences.This position requires professionals who are already residing in Berlin or are willing to relocate to Berlin.ONCE YOU ARE HERE YOU WILL:Design and maintain frontend applications using React and TypeScript specifically for Shopify merchants.Develop and enhance embedded Shopify apps, including setup flows, configuration user interfaces, and diagnostics tools.Integrate frontend applications with Shopify APIs (Admin API, Storefront API, Webhooks), primarily leveraging Shopify’s GraphQL APIs.Collaborate with backend engineers working in Rust and Go to define and construct effective solutions.

Join Our Team as a Senior Product EngineerAt peec, we are on a mission to create innovative and user-centric products that make a difference. As a Senior Product Engineer, you will play a crucial role in shaping the future of our products by taking ownership of complex features from conception to delivery.Your ResponsibilitiesLead the development of intricate product features, overseeing every aspect from architecture to user interface design.Convert product concepts and designs into flawless, production-ready UI using cutting-edge frontend frameworks and component libraries.Collaborate closely with Product, Design, and Engineering teams to define project scope and deliver features that exceed user expectations.Enhance our backend infrastructure and frontend design system, ensuring they are scalable, consistent, and efficient.Innovate across the technology stack, enhancing developer experience and introducing new capabilities.Qualifications5+ years of comprehensive fullstack engineering experience.In-depth knowledge of TypeScript, React, and Tailwind CSS, with a proven track record of delivering top-quality features on both the frontend and backend.Strong architectural skills and the ability to design clean, maintainable, and scalable systems.Experience in designing and implementing APIs (REST, GraphQL, or gRPC) and integrating them into polished user interfaces.Excellent communication skills and a strong sense of ownership, with the ability to work independently while aligning with team objectives.Evidence of excellence, potentially beyond work, such as a high FIDE rating.A commitment to fostering a kind, collaborative, and hardworking team environment.