Senior Fullstack Software Engineer with Frontend Focus - NAVI/REME (m/w/d)

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.

About UsAt Helsing, we are on the forefront of defense technology, specializing in artificial intelligence to safeguard democracies. Our goal is to ensure that open societies retain the ability to make independent decisions and uphold their ethical standards.As champions of democracy, we recognize our unique obligation to responsibly develop and implement advanced technologies like AI. This responsibility is at the heart of our mission.We are a dedicated and dynamic team of engineers, AI experts, and customer-oriented program managers, seeking individuals driven by a sense of purpose to join our European teams. Here, you will apply your expertise to tackle the most intricate and impactful challenges. We cultivate a culture of openness and transparency, encouraging healthy discussions about the role of technology in defense, its advantages, and ethical considerations.Your RoleAs a Software Engineer, you will design the autonomy system for a pioneering autonomous aerial platform that will take to the skies. You will not only develop software but also integrate cutting-edge reinforcement learning agents into the operational systems of our Unmanned Combat Aerial Vehicle (UCAV), the CA-1 Europa, as part of the innovative Centaur project. This is a rare opportunity to significantly contribute to a groundbreaking autonomous system built from the ground up.Operating at the intersection of machine learning and systems engineering, you will embed reinforcement learning agents into high-performance runtime systems, facilitating real-time autonomous decision-making during flight. Your code will empower the CA-1 Europa to perceive, reason, and act autonomously in the most challenging environments.The solutions we create ultimately serve real people in high-risk, high-stress situations, requiring our work to be exceptionally reliable.

About UsHelsing is a cutting-edge defense AI company dedicated to safeguarding democracies. Our mission is to achieve technological leadership to enable open societies to maintain sovereign control over their ethical standards.We recognize our unique responsibility to thoughtfully develop and deploy powerful technologies such as AI, and we take this duty seriously.Our team comprises ambitious engineers, AI experts, and customer-focused program managers, all driven by a mission to tackle some of the most complex and impactful challenges. We foster an open and transparent culture encouraging healthy discussions about the ethical implications and benefits of technology in defense.The RoleJoin our Autonomous Air System Verification & Validation (V&V) team, where we create simulation and validation environments essential for rigorous testing of autonomous aerial systems prior to deployment. We develop Software-in-the-Loop (SiL) and Hardware-in-the-Loop (HiL) frameworks that allow engineers to integrate, test, and validate AI-driven functionalities against realistic hardware setups.Our projects involve navigating significant and unconventional technical constraints, adapting to a diverse range of dynamic environments, and addressing an expanding array of intricate use cases. The software we develop is used by individuals in high-risk and high-stress scenarios—covering mission planning, command and control (C2), and mission debriefing—requiring utmost reliability and seamless performance.By joining us, you will face exciting backend engineering challenges across various domains, contributing to solutions that have real-world implications.

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.

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.

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.

Join moia, a pioneering force in the field of autonomous driving technology, as a (Senior) Systems Architect (ECU). This role is essential in shaping the future of mobility through innovative vehicle communication systems. You will be at the forefront of developing cutting-edge solutions that enhance user experience and safety. Collaborate with a dynamic team of experts in a vibrant environment that encourages creativity and technical excellence.

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!

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 long-term impact by developing AI-driven solutions that challenge the status quo. Their flagship product is the Personal & Entrepreneurial Resource Planner (PRP), aimed at empowering individuals and entrepreneurs globally. Air Apps values creativity and a willingness to rethink how resource management can improve daily life. The company seeks team members who want to help shape products that make a difference for users around the world.

Role Overview JetBrains s.r.o. creates tools that help developers work smarter. The team is looking for a Software Engineer with experience in CLion, embedded debugging, and tool integrations. This position is open in several locations: Belgrade, Berlin, Limassol, Madrid, Munich, Paphos, and Warsaw. What You Will Do Design and enhance features in CLion focused on embedded systems. Debug and optimize embedded applications for reliability and performance. Integrate different development tools to improve workflow efficiency. Work with teams across disciplines to define needs and deliver solutions. Who We’re Looking For This role suits engineers who enjoy solving complex problems and improving developer tools. Curiosity, creativity, and a strong interest in technology are valued here.

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.

Who We AreAt Helsing, we are at the forefront of defense AI innovation, dedicated to safeguarding our democracies. Our vision is to achieve technological supremacy, enabling open societies to maintain their sovereignty and uphold ethical standards in technology.We recognize our unique responsibility as a democratic entity to thoughtfully develop and deploy advanced technologies such as AI. Our team is passionate about this mission.We are a dynamic group of engineers, AI experts, and program managers, eager to welcome mission-driven individuals to our European teams, where your skills will be instrumental in tackling some of the most complex and significant challenges. Our culture promotes open dialogue and encourages thoughtful discussions regarding the ethical implications and benefits of technology in defense.The RoleEnvision constructing the essential infrastructure for a pioneering autonomous aerial platform that will take flight. At Helsing, your contributions will extend beyond mere software development; you will be instrumental in defining the core functionalities of our Unmanned Combat Aerial Vehicle (UCAV), the CA-1 Europa. This is an exceptional opportunity to impact a groundbreaking system designed from inception.You will engineer the advanced mission control framework, sophisticated infrastructure that facilitates real-time sensor processing, secure communications, seamless integration of autonomous decision-making modules, and dependable interfacing with lower-level flight control systems. Your code will be vital to the CA-1 Europa's performance, enabling it to navigate, perceive, and operate effectively in demanding environments.We develop software that operates under significant and unconventional technical constraints, functioning in diverse and ever-changing environments, while addressing a growing array of challenging use cases. The software we create is deployed in high-risk, high-stress situations, underscoring the necessity for reliability and seamless functionality. This presents a range of fascinating engineering challenges across multiple disciplines that you will help us tackle.

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.

Your RoleYou will become a key member of our EXP Squad, responsible for developing customer-facing APIs and backend systems that enable enterprise clients to manage and automate their IoT connectivity. These production systems play a crucial role in enhancing adoption, scalability, and reliability.As a Senior Software Engineer, you will work at the crossroads of innovative product design and technical excellence. Your role extends beyond merely executing tasks; you will take complete ownership of features, driving them from initial discovery and architectural design through to deployment and ongoing iterations. You will be instrumental in creating scalable, secure, and extensible systems.Our core technology stack comprises TypeScript, Node.js, and NestJS, all hosted on AWS with Infrastructure as Code.Location: Berlin, Würzburg, or remote within Germany and Poland.

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.