Senior/Lead Software Engineer - Developer Experience

Join the innovative team at dev2 as a Lead Frontend Software Engineer. In this pivotal role, you will spearhead the development of cutting-edge frontend solutions, ensuring a seamless user experience and high-quality code. Collaborate with cross-functional teams to bring our projects to life, leveraging your expertise in modern web technologies.

Join Our Team at GetYourGuide At GetYourGuide, we are the world’s leading platform for unforgettable travel experiences. Since our inception in 2009, we have empowered travelers across the globe to discover and book over 150 million tours, activities, and attraction tickets. Our headquarters in Berlin is home to a dynamic team of over 800 travel experts and technologists, united by a passion for making travel magical. Explore our careers page to learn more about our culture and values. Our Mission: Technology is the driving force behind our growth at GetYourGuide. We continue to innovate in Design, Engineering, and Product to redefine the travel experience. You will play a crucial role in developing solutions that simplify customer interactions and enable our partners to thrive. From creating fintech infrastructure to enhance payment processes to contributing to our strategic growth, the impact of your work will resonate globally. As part of our Engineering team, you will collaborate with diverse, cross-functional teams to enhance the magic of travel for our users. Your Role: As a Senior Software Engineer with a focus on Frontend, you’ll be an integral part of a product team. Collaboration and a customer-centric approach are key as you tackle real-world user challenges and shape the product experience. This is primarily an 80/20 full-stack role, utilizing TypeScript and Node.js for backend development. A robust knowledge of both frontend and backend technologies is necessary, particularly in managing our Server-Driven UI backend-for-frontend (BFF) layer, which involves creating backend components that adapt to frontend requirements to elevate the user experience. Your role will require close cooperation with product managers, designers, and stakeholders, so strong collaboration and communication skills are essential. We seek engineers who not only excel technically but also effectively advocate for customer needs and align with business objectives. You’ll support the team in building and scaling our platform, ensuring a seamless and engaging user experience.

As a Senior Frontend Software Engineer at dev2, you will play a pivotal role in crafting user-friendly interfaces that enhance our digital products. You will collaborate closely with cross-functional teams to design and implement innovative solutions that meet the needs of our users. Your expertise in frontend technologies will be key to driving our projects forward.

About UsHelsing is at the forefront of defence technology, specializing in artificial intelligence. Our mission is to safeguard democratic values and ensure that societies maintain sovereignty over their ethical standards through advanced technology.As a team of dedicated engineers, AI experts, and program managers, we are committed to tackling complex challenges in our field. We actively seek individuals whose passion aligns with our mission to contribute to meaningful technological advancements. Our culture promotes open discussions about the implications and ethics of technology in defence, ensuring a thoughtful approach to innovation.The PositionJoin our Autonomous Air System Validation and Verification (V&V) team, where we create sophisticated simulation and validation environments essential for rigorously testing autonomous air systems. Our work involves developing Software-in-the-Loop (SiL) and Hardware-in-the-Loop (HiL) frameworks that facilitate the integration, testing, and assurance of AI capabilities against simulated and real-world hardware.The software we develop is designed to meet high standards despite unconventional technical constraints. It must adapt to various dynamic environments and cater to a growing array of demanding use cases. Our solutions are critical for real-world applications, from mission planning to command and control, necessitating high reliability and seamless operation.The role encompasses a wide spectrum of fascinating engineering challenges across multiple disciplines, and we value innovative solutions that drive our mission forward.

Cresta is dedicated to revolutionizing customer interactions by harnessing the immense potential of contact centers. Our innovative platform fuses advanced AI with human insight to uncover valuable customer insights, streamline communication, and enhance team efficiency. Founded by prominent figures from Stanford's AI lab, including Sebastian Thrun—the visionary behind Google X and Waymo—Cresta is led by industry experts such as CEO Ping Wu, co-founder of Google Contact Center AI, and Tim Shi, an early member of OpenAI.Our elite team comprises AI and ML specialists, strategic market leaders, and renowned investors like Andreessen Horowitz and Sequoia. We proudly serve a diverse clientele, including Intuit, Cox Communications, Hilton, and Carmax, and have been recognized by Forbes and Bain Consulting as one of the top private AI companies globally.Join us on our exciting journey to redefine the contact center landscape with cutting-edge AI solutions. The future of work is bright at Cresta!

About Plan APlan A, a subsidiary of Diginex Ltd, stands at the forefront of corporate carbon accounting and decarbonisation software in Europe. Our mission is to enable organizations to transform emissions intelligence into tangible financial outcomes. Through our AI-driven, TÜV-certified platform and dedicated expert support, we simplify emissions accounting, target setting, and reduction planning in compliance with GHG and SBTi standards. With a presence in Berlin, Paris, and London, we empower over 1,500 clients, including renowned brands like BMW, Visa, and KFC, to minimize costs, enhance efficiency, and cultivate sustainable long-term value via decarbonisation initiatives.We are on the lookout for a passionate, skilled, and collaborative Senior Frontend Engineer to enhance our Product Engineering team!

Our MissionAt Neko Health, we are on a mission to revolutionize healthcare by transitioning from a reactive model of treating illnesses to a proactive approach focused on prevention. Our advanced non-invasive technology, combined with clinical expertise, empowers individuals with early, actionable health insights.Role OverviewAs a Lead Software Engineer within the Product Engineering team, you will take charge of designing and developing high-quality, fail-proof user experiences for our member-facing applications and clinical processes. This pivotal role merges deep system design, innovative product thinking, and excellence in AI-driven engineering.You will set the standard in an environment where engineers prioritize understanding the 'why' before determining the 'how.' You will own outcomes end-to-end and seek architectural innovations or automation that can deliver substantial improvements. Collaborating across Product, Data Science, and Hardware teams, your decisions will have a direct impact on member trust, clinic reliability, and Neko's growth trajectory.What You Will Achieve in Your First 6 to 12 MonthsBecome an integral contributor within the first 3 months, taking ownership of significant areas within the Member Experience or Medical Excellence product domains.Design and implement end-to-end features that greatly enhance customer journeys, ensuring smooth, resilient, and clinically safe experiences.Introduce and advocate for AI-first workflows, utilizing tools like Claude Code to streamline processes, allowing you to focus on impactful system design.Clarify challenges in ambiguous areas, proactively identify issues, ask insightful questions regarding context and intent, and provide transparent feedback even when solutions are not straightforward.Lead essential reliability and quality initiatives to ensure that member-facing systems are robust, scalable, and capable of sustaining Neko's rapid expansion.Mentor and influence fellow engineers, elevating standards for technical excellence, problem-solving, and customer-centricity.Collaborate with cross-functional teams across Product, Data Science, and Hardware to ensure system design aligns with real-world clinical and operational requirements.

About UsAt Verve, we have revolutionized the advertising landscape by creating a more efficient and privacy-centric approach to buying and monetizing ads. Our ecosystem integrates demand and supply technologies, leveraging data, media, and cutting-edge technology to deliver exceptional results for both advertisers and publishers—regardless of the screen or location. With 30 offices worldwide, we proudly serve forward-thinking advertising clients, earning the trust of over 90 of the top 100 advertisers in the U.S., as well as 4,000 publishers globally and the leading demand-side platforms. Explore more at www.verve.com.About Verve Retail MediaVerve Retail Media operates one of Germany's most sophisticated in-store retail media platforms, collaborating with over 2,200 stores and esteemed brands like Unilever and Nestlé, along with major retailers such as EDEKA and REWE. In just seven months, our team has grown from 1 to 160 employees, reflecting our ambition and the vast opportunities ahead.The RoleWe are on the lookout for a unique individual who combines a robust coding background with a strong design sensibility to join our core team dedicated to the Verve Retail Media Platform (RMP). As a Frontend Engineer, you will be responsible for the comprehensive implementation of our user-facing applications. You will connect the intricate requirements of ad-tech with user-friendly design, ensuring our platform is powerful, intuitive, and lightning-fast.

Join Our Innovative Team as a Senior Frontend EngineerAt peec, based in the vibrant city of Berlin, we are looking for a talented Senior Frontend Engineer to take charge of our frontend development. If you are passionate about crafting seamless user experiences and are eager to push the limits of modern web technologies, we want to hear from you!Your ResponsibilitiesLead the development of complex frontend features from conception through to execution, ensuring high-quality delivery.Utilize cutting-edge frontend technologies to create visually stunning and pixel-perfect user interfaces that adhere to design specifications.Work collaboratively with Product, Design, and Backend teams to bring concepts to life, ensuring an exceptional user experience.Maintain and promote best practices in code quality, accessibility, and performance through diligent code reviews and testing.Contribute to the evolution of our frontend architecture, component library, and design system to facilitate rapid development.

Join our dynamic team at ebreuningergmbhco as a Senior Fullstack Software Engineer with a focus on frontend development for our innovative NAVI/REME project. In this role, you will collaborate with cross-functional teams to design, develop, and maintain high-quality software solutions. You'll be responsible for implementing responsive user interfaces and ensuring a seamless user experience.If you have a passion for creating cutting-edge applications and possess strong problem-solving skills, we want to hear from you!

Join our dynamic team at dev2 as a Senior/Lead Software Engineer specializing in Database Reliability. We are seeking an experienced professional who will ensure the performance, reliability, and availability of our database infrastructure. You will play a crucial role in designing and implementing solutions that enhance our database systems while collaborating closely with cross-functional teams.

Join Our Team as a Senior Frontend Design EngineerAt Peec, located in vibrant Berlin, we are on the lookout for a passionate Senior Frontend Design Engineer to take the reins of our innovative projects. This is your chance to work with cutting-edge technologies and bring your design aspirations to life.Your ResponsibilitiesOwn complex frontend features from inception to delivery, ensuring high-quality outcomes through effective scoping and architecture.Utilize modern frontend technologies to create pixel-perfect, visually appealing user interfaces that adhere strictly to design specifications.Work collaboratively with Product, Design, and Backend teams to transform concepts into high-performance user interfaces, delivering an exceptional user experience.Uphold stringent standards for code quality, accessibility, and performance through meticulous reviews, testing, and adherence to best practices.Contribute to the evolution of our frontend architecture, component library, and design system, facilitating rapid iteration and scalability.

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.

Ecosia is hiring a Frontend Engineer for the Lifecycle Marketing Team. This role can be based remotely or from the Berlin office. The team’s mission centers on engaging users and advancing climate action through effective communication and marketing tools. What you will do Collaborate with a cross-functional group to shape and improve marketing strategies Use JavaScript to manage projects both independently and alongside marketing specialists Build and maintain frontend components, as well as backend-of-the-frontend elements Work on optimizing the user engagement platform (Braze) Design and implement landing pages and marketing emails Improve conversion tracking and reporting processes Requirements Background in JavaScript and frontend development Ability to work both independently and within a team Interest in user engagement and digital marketing tools Benefits Opportunity to work on products reaching millions Direct contribution to ecosystem regeneration projects Flexible work arrangements: remote or Berlin office

At 8returns, we are revolutionizing the returns process in e-commerce—a sector often plagued by frustration, environmental issues, and high costs.We are proud to be trusted by leading DTC brands such as OACE, PEGADOR, GOT BAG, and have gained recognition from iconic names like Fielmann, Tommy Hilfiger, and Reebok. Join us as we shape the future of post-purchase experiences.As a Senior Frontend Engineer, you will play a pivotal role in enhancing the way merchants and their customers interact with our platform. Your mission will be to create fast, user-friendly, and dependable interfaces that transform returns data into actionable insights. If you are passionate about your craft, enjoy delivering results, and seek true ownership of your work, this is the opportunity for you.

**Design and Develop**: Craft and maintain robust, high-performance, and secure web applications using leading technologies such as Vue.js, Node.js, TypeScript, Nuxt, and Next.js. Your contributions will directly impact customer interactions, encompassing everything from secure authentication processes to dynamic gamification features.**Lead Feature Implementation**: Take full ownership of significant feature developments, overseeing the entire lifecycle from technical design to implementation and production monitoring. You will engage in complex challenges such as creating fraud-resistant systems, enhancing user onboarding, and implementing self-service profile management.**Promote Web Experimentation**: Position our web platform as a swift avenue for transforming ideas into validated insights. You will prioritize A/B testing and rapid iteration, empowering the business to experiment and validate concepts swiftly.**Advocate for Frontend Quality**: Champion best practices in testing, code quality, and frontend architecture within your team. You will conduct code reviews, mentor fellow engineers, and elevate standards of excellence.**Enhance Observability**: Ensure that the features you create are observable and dependable. Implement monitoring, error tracking, and performance metrics to instill confidence in production and support data-driven enhancements.**Collaborative Approach**: Work closely with Product Managers, Backend Engineers, Designers, and Marketing teams to develop solutions that meet customer requirements while adhering to technical and business constraints.**Contribute to Broader Initiatives**: Engage in frontend architecture discussions and contribute to shared tools and patterns that benefit multiple teams in the Consumer sector, extending your influence beyond immediate responsibilities.**Prioritize Security**: In a role focused on authentication and fraud prevention, maintaining security is paramount. You will adhere to security best practices, identify potential vulnerabilities, and help safeguard customer data and accounts.

We are seeking a visionary and dynamic Head of Frontend Development to lead our talented frontend team at almedia. This role is pivotal in shaping our user interface and user experience for our innovative digital solutions. You will collaborate closely with cross-functional teams to drive the development process and ensure the delivery of high-quality products.Your leadership will inspire creativity and technical excellence while maintaining a focus on performance and scalability. Join us in Berlin and be at the forefront of technological advancement in the digital landscape.

About Our ClientFounded in Canada in 2015, our client has rapidly expanded to encompass a global portfolio of over 118 companies. They specialize in acquiring and developing vertical market software firms, empowering each business to deliver top-notch mission-critical solutions tailored to their industry's needs. A cornerstone of our client's philosophy is to invest in well-established enterprises while cultivating an entrepreneurial atmosphere that transforms these companies into industry leaders. Their strategic approach focuses on building long-term partnerships with existing management to create and enhance value.About the RoleAs the AI Engineering Lead, you will assume a pivotal leadership role in defining and executing the company's AI strategy. You will be responsible for the practical integration of AI across our client's engineering framework, enhancing internal development and testing processes to improve efficiency and quality. Additionally, you will oversee the development of AI-driven product features that provide tangible benefits to users. In this position, you will ensure alignment between engineering, product management, and data science teams, translating innovative ideas into actionable solutions and guiding teams to unlock their full potential through effective AI integration.Key Responsibilities AI Strategy & Vision: Develop a comprehensive AI roadmap that aligns with business objectives; identify opportunities for AI/ML applications in internal workflows (e.g., code generation, automated testing, monitoring); collaborate with product leadership to design and implement AI-enhanced product features. AI Integration into Engineering Practice: Spearhead the deployment of AI tools within the Software Development Life Cycle (SDLC) (e.g., GitHub Copilot, CodeWhisperer, Tabnine); automate unit testing, static code analysis, and regression testing leveraging AI; guide the application of AI in CI/CD pipelines for improved monitoring, alerting, and predictive operations. AI Product Development: Design and oversee the creation of AI/ML models and AI-enhanced product features; ensure adherence to best practices in AI/ML, including model training, data governance, validation, and ethics; select and manage the necessary infrastructure (e.g., cloud GPU/TPU, model operations platforms like MLflow or Vertex AI). Team Leadership & Cross-Function Collaboration: Lead a team of AI engineers, data scientists, and MLOps personnel; collaborate with product, design, and stakeholders to ensure AI features align with user value; mentor engineering teams on responsible AI usage, prompt engineering, and model comprehension. Governance & Compliance: Establish standards for responsible and explainable AI; ensure compliance with regulatory and ethical guidelines (e.g., GDPR, fairness, transparency); monitor model performance to prevent drift or unintended behaviors.

Octopus Energy is building digital solutions for the energy sector, aiming to make clean and transparent electricity and gas accessible to more people. Since launching in the UK, the company has grown into one of the country's largest energy providers, known for its focus on customer satisfaction and technology-driven services. In 2020, Octopus Energy expanded to Germany. The team now supports over one million customers with products like seamless switching, heat pumps, smart meters, and flexible tariffs. The goal: help people make greener choices while simplifying their daily lives. Role overview As a Senior Frontend Engineer (m/w/d) based in Berlin, this role centers on building and improving digital products that directly impact customers. The work spans diverse challenges, from developing user-friendly interfaces to supporting the rollout of new features that promote the green energy transition. Collaboration and impact Expect to work closely with teams in marketing, operations, and data. Contributions are visible and meaningful, with a chance to see how your work reduces costs, encourages sustainable choices, and improves the customer experience. What Octopus Energy offers Ownership of projects and the freedom to shape solutions Opportunities to tackle a variety of technical and product challenges A mission-driven team focused on making energy cleaner and fairer