Backend Engineer, Content-API (Go/React)

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 a pioneering cybersecurity and AI startup in Berlin!TechBizGlobal is on the lookout for a Founding Backend Engineer (Go) to be an integral part of our founding team, responsible for architecting the essential security, identity, and enforcement frameworks for our cutting-edge AI-driven security risk management platform.Founded by seasoned cybersecurity experts with roots in Israeli Intelligence, we seek a proactive Backend Engineer (Go) to take on a hybrid role based in the heart of Berlin. If you have a passion for cybersecurity and AI technology, excel in dynamic startup environments, and relish the challenge of building complex systems from scratch, this is your chance to make a significant impact.Our mission is to develop a next-generation cyber risk platform that empowers enterprises to comprehend, assess, and mitigate identity risks at scale. We aim to transform intricate identity and security data into straightforward, actionable insights that Chief Information Security Officers (CISOs) and Chief Technology Officers (CTOs) can rely on. From day one, you will collaborate on core platform components, influencing how modern organizations manage and interpret risk through cloud-native systems, AI analytics, and automated enforcement via AI agents.

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

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 us as a Founding Full-Stack Developer at jobsforhumanity, where you'll have the unique opportunity to shape our technology and make a meaningful impact on the lives of people around the globe. In this pivotal role, you'll be responsible for developing innovative solutions that bridge the gap between technology and humanity.

Join Our Team in Berlin • Cutting-Edge Cybersecurity & AI Startup • Recently Secured Major FundingAt techbizglobal, we are creating a revolutionary Identity + AI Enforcement platform in Berlin.With our newly acquired funding, we are seeking a technical co-founder who will take charge of architecting and developing our core product from the ground up.We are in search of a forward-thinking Founding CTO/CPTO for a dynamic hybrid role based in Berlin. If you have a fervor for deep technology, excel in fast-paced settings, and possess a robust background in building transactional platforms, this is your chance to create a substantial impact.

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 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.

Are you ready to reshape the marketing landscape? At Almedia, we provide an extraordinary opportunity for those looking to accelerate their careers in a groundbreaking environment. As we set our sights on becoming Germany's next bootstrapped unicorn, we have already achieved recognition as Europe’s #3 fastest-growing company in 2025 (FT1000).Join us in our mission to redefine marketing by rewarding a vibrant community of over 60 million users for their engagement with leading advertisers. We are pioneering a novel approach to user acquisition for some of the world’s largest brands.We are seeking a passionate Founding Engineer to partner with our leadership team on transformative, zero-to-one projects. If you thrive on taking ownership, moving swiftly, and building impactful products from scratch, we want to connect with you.

Join Clera as a Founding Engineer in our innovative SF Hackerhouse! We are looking for passionate engineers who thrive in a startup environment and are eager to be a part of a groundbreaking journey. As a founding member, you will have the opportunity to shape the direction of our technology and contribute to building something truly impactful.

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.

At Superhuman, we value a dynamic hybrid working model that combines focused individual work with in-person collaboration. This flexible environment fosters trust, innovation, and a robust team culture.About SuperhumanSuperhuman is an advanced AI productivity platform, now incorporating Grammarly, focused on unlocking the superhuman potential in everyone. Our suite of applications and agents integrates with over 1 million tools, enhancing productivity wherever you work. With products like Grammarly's writing assistance, Coda's collaborative workspaces, and Go, our proactive AI assistant, we empower over 40 million users and thousands of organizations and educational institutions worldwide to eliminate busywork. Discover more at superhuman.com.The OpportunityWe are on the lookout for talented Full-Stack Software Engineers to join our engineering teams and help us achieve our ambitious goals. In this role, you will be instrumental in developing core components of the Superhuman product suite, enhancing our infrastructure and features to assist millions of users in writing more clearly and effectively. You will work across both Front-End and Back-End, contributing to high-impact projects that are visible to our user base.At Superhuman, engineers and researchers have the freedom to innovate and shape our product roadmap. As we scale our interfaces, algorithms, and infrastructure, you will face increasingly complex technical challenges. You can learn more about our engineering efforts on our technical blog.Superhuman is rapidly expanding, presenting opportunities to join a growing team, learn from experienced peers, and contribute to building product offerings from the ground up. Within our vibrant engineering organization, you will find ample room for ownership and a direct impact on users.As a Full-Stack Engineer, you will:Commence building and pushing code within your first week, delivering impactful features in your initial months.Develop and maintain production services with high call rates on the Back-End while creating rich user interfaces on the Front-End.Aim for high availability for both consumer and enterprise customers.

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 Us as a Senior Full Stack Product Engineer at Kombo Berlin (On-site) · Full-timeHello! I’m Aike, co-founder & CTO of Kombo. We are on the lookout for innovative Senior Product Engineers who are eager to tackle complex customer challenges within our product offering. At Kombo, you will engage directly with customers to understand their needs, design solutions, develop them, and ensure they deliver the desired impact.Please note, this is an on-site role based in Berlin.Our Vision at KomboWe are creating a robust infrastructure platform designed specifically for HR tech products. Our founding team, composed entirely of engineers, thrives on solving intricate technical challenges. This passion has led us to develop vital infrastructure for HR tech providers.We’ve successfully built a unified API, a powerful data synchronization engine, an observability platform, and an integrated UI for setup and configuration. We empower other software companies to offer prebuilt integrations with HR, ATS, LMS, and Payroll systems, alleviating the burden of developing and managing countless integrations. For more insights into our product, visit our page: What is the Kombo product?Having achieved product-market fit about 1.5 years ago, we are now witnessing remarkable growth, with our annual recurring revenue nearing €10M and our services supporting over 15,000 companies, synchronizing data for more than 250 million individuals worldwide. We are establishing a new standard for how companies build products atop complex enterprise systems. Recently, we proudly closed a €25M Series A funding round .Role Overview and Work CultureIn our early days, the co-founders and I engaged directly with customers, handled support, understood their pain points, and designed features based on their feedback. We found this approach more fulfilling than traditional roles where engineers work off predefined tickets without customer interaction. As we bring our first engineers on board, we wish to maintain this ethos. We embrace what we call "Product Engineering", where you will comprehensively address customer challenges, participate in calls (or visit customers), design and implement solutions from start to finish, and support the transition to successful user adoption.

At SoundCloud, we empower artists and fans to connect and share through the power of music. Established in 2007, SoundCloud stands as an artist-centric platform that supports creators in building and advancing their careers through cutting-edge tools, services, and resources. With an expansive library of over 400 million tracks from 40 million artists, we are shaping the future of music.As the Lead Full Stack Engineer in our Insights team, you will take charge of the technical direction for tools that help the music industry identify and nurture new talent. You will lead a high-performing, multi-disciplinary team (frontend and data engineering) focused on our flagship B2B products: the Artist & Repertoire (A&R) Dashboard and Fan Insights. This is a hands-on technical leadership role for someone eager to influence architecture and execution while remaining actively involved in coding.This position reports directly to the Director of Engineering and is tailored for an engineer aspiring to transition into an Engineering Management (EM) role as the team expands.

Join Tilla, an innovative SaaS start-up, as we revolutionize crew logistics at the intersection of global shipping and travel. Our dynamic international team is dedicated to transforming how seafarers reach their vessels, ensuring that every crew change is optimized and digital.With over 10,000 crew changes facilitated annually across 600+ vessels, we are backed by strong investors and are committed to enhancing operational efficiency, reliability, and the overall experience for seafarers and operators alike. At Tilla, we believe in making crew operations not just more efficient, but also more humane.Your MissionAs a Full Stack Engineer, you will play a pivotal role in driving product initiatives. This position offers the chance to influence technical decisions and grow into a backend lead role as our company scales. You will thrive in our data-driven, performance-critical environment, where accuracy, reliability, and usability are paramount.Our Tech StackFrontend: React, Next.js, TypeScript, ShadCNBackend: NestJS, GraphQL, Prisma, AWS (Lambda, SQS, RDS, ECS)State Management: Apollo Client, React QueryTesting: Jest, PlaywrightOwn & Ship Features End-to-End: Lead product initiatives from conception through implementation, testing, and deployment.Integrations & APIs: Design and maintain integrations with third-party systems, ensuring secure and scalable data flows while contributing to areas with direct revenue impact.

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

Join Us as a Full Stack Product Engineer at Kombo Berlin (On-site) · Full-timeHello! I’m Aike, co-founder and CTO at Kombo. We are seeking innovative product engineers who are eager to take ownership of customer challenges within our product ecosystem. At Kombo, you will engage directly with customers, conceptualize solutions, develop them, deploy them, and ensure they function seamlessly.This is a Berlin-based on-site role.What We're CreatingAt Kombo, we're constructing the foundational infrastructure on which HR tech products are developed. With a team of engineers at the helm, we thrive on tackling complex technical challenges. This journey has led us to create robust infrastructure solutions for HR tech providers.Specifically, we have developed a unified API, an extensive data synchronization engine, an observability platform, and an integrated setup/configuration UI. Our offerings empower software companies to provide pre-built integrations with HR, ATS, LMS, and Payroll systems, relieving them from the burden of building and maintaining numerous integrations on their own. Discover more about our product here: What is the Kombo product?We achieved product-market fit approximately 1.5 years ago, and since then, we've experienced remarkable growth, with our revenue nearing 10M annually and powering integrations for over 15,000 companies, synchronizing data for more than 250 million individuals globally. We are setting the benchmark for how companies can build products atop complex enterprise systems. Our impressive growth rate places us in the top 5% of VC-funded startups worldwide, and we are excited to announce the successful closing of our $25M Series A funding round! About the Role and Our Work CultureIn our early days, my co-founders and I collaborated closely with customers, handled support ourselves, learned about their issues, and designed features based on their feedback. This approach was not only enjoyable but also more effective than the traditional model of engineers working through specified tickets without customer interaction. When we began hiring engineers, we committed to providing this same engaging work style. We don’t believe in having “code monkeys” at Kombo; that's how we defined our concept of

Superhuman embraces a vibrant hybrid working model for this position. This adaptable approach allows team members to enjoy focused work time while also engaging in face-to-face collaboration that cultivates trust, creativity, and a robust team culture.About SuperhumanSuperhuman is an AI productivity platform on a mission to unlock the superhuman potential in everyone. As part of Grammarly, our suite of applications seamlessly integrates AI into daily workflows, working alongside over 1 million applications and websites. Our offerings include Grammarly’s writing assistance, Coda’s collaborative workspaces, Mail’s inbox management, and Go, our proactive AI assistant that anticipates users' needs. Founded in 2009, Superhuman serves over 40 million individuals, 50,000 organizations, and 3,000 educational institutions globally, enabling them to eliminate busywork and concentrate on what truly matters. Discover more at superhuman.com.The OpportunityTo propel our ambitious objectives, we are seeking Full-Stack Software Engineers to join our engineering teams. As a Full-Stack Engineer at Superhuman, you will be pivotal in developing essential components of our product offerings, infrastructure, and features that assist 40 million users in writing clearly and effectively each day. You will work on both Front-End and Back-End, contributing to significant, high-impact projects.Our engineers and researchers are encouraged to innovate and discover breakthroughs that can shape our product roadmap. As we scale our interfaces, algorithms, and infrastructure, the complexity of our technical challenges is expanding rapidly. You can learn more about our team's insights on our technical blog.Superhuman is experiencing rapid growth. There are ample opportunities to join a team, learn from seasoned professionals, and build product offerings and teams from the ground up. Within our expanding engineering organization, you will find numerous opportunities for ownership and making a direct impact on users.As a Full-Stack Engineer, you will:Begin building and deploying code in your first week and launch impactful features in your initial months.Create and maintain production services with high call rates on the Back-End while developing engaging user interfaces on the Front-End.Aim for high availability for both consumer and enterprise customers.Collaborate extensively with internal teams such as Core, Growth, and Enterprise.