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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.
amboss is a forward-thinking company situated in Berlin, dedicated to creating innovative solutions in the e-commerce and payment processing space. Our mission is to empower users with seamless payment experiences while fostering a culture of collaboration and creativity.
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Search for Backend Engineer Content Api Go React
939 results
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 conte…
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.
Talon.One
ABOUT TALON.ONE:Talon.One serves as a cutting-edge incentives engine that integrates loyalty programs, promotions, and gamification into a unified platform. With robust enterprise-grade security and scalability, Talon.One enables businesses to create customized, profitable promotions and loyalty initiatives leveraging any data.We proudly partner with over 250 globally recognized brands, including Adidas, Sephora, and Carlsberg, to enhance customer engagement and foster long-term loyalty.ABOUT THE TEAM:Our development team is composed of experts in frontend, backend, QA, product management, and visual design. We operate in small, cross-functional squads that provide insights into each team member's role, fostering collaboration and hands-on experience. Each squad is self-sufficient, autonomous, and accountable for specific features or areas within our platform. We prioritize collaboration, transparent communication, and mentorship to promote mutual growth. Talon.One is dedicated to creating an inclusive work environment, as we believe it positively impacts the entire tech industry.We are on the lookout for a Senior Backend Engineer to enhance our development teams. In this role, you will work closely with our product team to devise effective solutions for complex challenges while mentoring and supporting fellow team members.
Join our dynamic team at Contentful as a Senior Software Engineer specializing in Backend & Infrastructure. In this pivotal role, you will design and implement robust backend systems that power our content platform. Collaborate with cross-functional teams to enhance our infrastructure, driving innovation and efficiency in our development processes.
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 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 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 TeamAt SumUp, our Sales & Order team is pivotal in developing the core Sales API and Receipt engines that drive our ecosystem. From hardware like POS systems to our Solo Card Reader, and software solutions such as Online Store and Online Payments, our aim is to simplify complex transaction data into a unified 'Sales' language. We empower teams to build independent features, ensuring seamless connectivity between sales, reporting, accounting, and fiscalization as we support merchants in scaling globally.As part of a dynamic, cross-functional team composed of Product Managers, Engineering Managers, fellow engineers, and occasionally Product Designers and Data Analysts, you will collaborate closely to innovate and enhance our offerings.Your RoleAs a Backend Engineer, you will not just write code; you will architect solutions that enable different SumUp products to communicate effectively. We foster a culture of extreme collaboration, engaging in daily pair programming, committing to high standards of 'clean' engineering, and adopting an 'AI-native' approach to accelerate our development processes.Key ResponsibilitiesDevelop and enhance high-performance Sales APIs and receipt engines using Kotlin and Spring Boot, ensuring scalability and resilience.Design and maintain robust data schemas and database interactions to manage complex transaction and sales data accurately at scale.Create and document clean, public-facing APIs that empower other engineering teams to integrate their features with the Sales Platform independently.Work on projects that link transaction data with essential business systems like reporting, accounting, and global fiscalization.Engage in pair programming to tackle complex concurrency and architectural challenges while maintaining superior code quality.Oversee the entire development lifecycle, including writing automated tests, managing CI/CD pipelines, and monitoring production service health.Utilize AI coding agents to automate repetitive tasks and enhance our delivery speed.Migrate mission-critical domain logic from external systems to streamline and centralize the 'Sales' experience within our ecosystem.Who You AreYou possess over 2 years of experience in backend engineering with the JVM stack, preferably using Kotlin and Spring Boot.You have a strong grasp of software design patterns and principles, enabling you to create efficient and maintainable code.
Join Contentful as a Senior Product Manager, where you will lead the charge in shaping our product strategy and ensuring that our offerings meet the dynamic needs of users. In this role, you will collaborate closely with cross-functional teams, driving innovation and delivering exceptional value to our customers.
Air Apps
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.
Join Contentful as an Engineering Manager focusing on Workflows and UI Foundations. We are looking for a dynamic leader to guide our engineering teams, drive innovation, and enhance user experiences through powerful workflows and user interfaces.Your role will involve collaborating with cross-functional teams, fostering a culture of continuous improvement, and implementing best engineering practices to ensure the successful delivery of high-quality features.
At Veo, we are at the forefront of AI-driven sports camera technology. Our cutting-edge, fully automated camera solution empowers sports teams to capture matches and training sessions effortlessly, eliminating the need for a camera operator. We are committed to democratizing sports by providing video analysis tools to teams of all levels, a service that was once exclusive to a select few. Currently, more than 40,000 clubs across 90+ countries utilize our technology to record their games on a weekly basis.What truly distinguishes us is our exceptional team. We are a diverse collection of innovative thinkers, creators, and problem-solvers who are passionate about delivering outstanding products while enjoying the journey.Your RoleAs a Senior Software Engineer specializing in API development at Veo, you will become a pivotal member of a newly formed team dedicated to enhancing our API capabilities. Your contributions will be instrumental in establishing the technical groundwork that enables reliable and scalable integration of external partners with Veo's platform.You will report to an Engineering Manager and work out of our Berlin office, collaborating closely with fellow engineers and a Technical Product Manager. Together, you will architect and build backend systems and APIs that are central to Veo's platform, making strategic architectural decisions that are crucial to our growth and connectivity within the broader sports ecosystem.
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.
airapps
About the Role airapps is looking for a Backend Engineer to help shape backend systems for our applications. This position is based in the Berlin Metropolitan Area. What You Will Do Design and build backend systems that support our products Focus on scalability and performance throughout development Location Berlin Metropolitan Area
airapps
airapps is looking for a Backend DevOps Engineer to help improve and automate software development workflows. This position is based in the Berlin Metropolitan Area and involves working alongside both software developers and IT staff. Role overview This role focuses on managing application deployments and maintaining system reliability. The Backend DevOps Engineer will play a key part in streamlining processes to support the development team and keep systems performing well. Collaboration Expect to work closely with colleagues across development and IT, sharing responsibility for smooth releases and stable infrastructure. Location This position is located in the Berlin Metropolitan Area.
About NomosAt Nomos, our mission is to make energy accessible and cost-effective for households across Europe. We collaborate with leading technology firms to innovate energy solutions that integrate seamlessly with electric vehicles, heat pumps, battery storage systems, and more, driving down costs for consumers.About the TeamFounded by Stefan and Nils in 2024, our diverse team comprises former researchers, entrepreneurs, and senior engineers. We are united by our shared vision to revolutionize the energy landscape in Europe, fueled by a collective frustration with the existing system. We cherish a culture of open communication, accountability, and inclusivity, and we thrive in our Berlin Mitte office, valuing meritocracy and craftsmanship.Your RoleArchitect for the Future: You will help design and enhance our own operating system, which includes a modular billing engine and energy market communication protocols. Your role is crucial in ensuring our architecture keeps pace with exponential growth.Simplifying Complexity: The energy sector is rife with challenges. Your task is to tackle this complexity by developing clear abstractions and reducing the difficulty of shipping new features.Quality Over Speed: We believe in balancing speed with quality. You will ensure that we invest the time necessary to build reliable solutions that facilitate future growth.Upholding Standards: You will set engineering benchmarks, evaluate critical code, and maintain accountability within the team. Your vigilance will help us avoid shortcuts and uphold best practices.ResponsibilitiesDesign and enhance the core systems powering Nomos, including billing, procurement, metering, partner integrations, and comprehensive data pipelines.Focus on correctness, performance, and resilience. Always consider system behavior under significantly increased loads.Leverage AI tools to streamline repetitive tasks while maintaining ownership of the overall architecture and decision-making process.
Trade Republic Bank
Join Us in Shaping the Future of Finance!Trade Republic Bank is redefining the way Europe saves and invests. As the leading savings platform operating across 18 countries, we proudly serve over 10 million customers with more than €150 billion in assets. Our mission is to empower everyone with simple, safe, and free access to financial systems, allowing individuals to build their wealth. At Trade Republic, you'll collaborate with exceptional talent and cutting-edge technology to make a lasting impact on millions of lives.Your Role as a Senior Platform EngineerAs a key member of our Platform Engineering team, you will play a vital role in enhancing our self-service platforms, enabling our product engineers to deliver robust solutions swiftly. You'll be instrumental in encapsulating complexity and providing the tools that empower millions to invest, trade, and save effectively.Platform Development: Create in-house provisioning and lifecycle management services in Go, ensuring seamless integration with our infrastructure and delivering golden-path templates in our internal developer platform (IDP).Enhancing Developer Efficiency: Equip teams to rapidly deploy production services, track essential developer metrics, and refine our platform based on insights, significantly reducing cycle times.Ensuring Resilience at Scale: Establish and monitor service-level objectives (SLOs), analyze burn rates, and lead automated safety measures while continuously enhancing platform performance through thorough testing.Platform Ownership: Collaborate with product managers to craft a comprehensive roadmap, balancing user needs, cost, latency, and developer experience, while effectively communicating technical trade-offs to leadership.
peec is building and improving the backend systems that support its products. As a Senior Python Engineer based in Berlin, this position centers on designing, developing, and maintaining complex backend infrastructure to ensure reliable and high-quality delivery. Role overview This role involves full ownership of backend systems, from initial planning and architecture through to implementation and deployment. The work spans API design, distributed systems, and ongoing performance improvements. What you will do Lead the end-to-end development of backend systems, including scoping, architecture, execution, and delivery. Design and implement scalable APIs and distributed systems that meet high performance standards. Work closely with Product, Frontend, and Design teams to translate product ideas into solid backend solutions. Explore and apply modern backend technologies to improve architecture and the developer experience. Help evolve backend architecture and infrastructure to support fast iteration and growth. Identify areas for system and developer experience improvement, and drive initiatives to address them. Requirements Significant experience with Python and backend development is essential. Strong skills in API design, distributed systems, and collaborating across teams will be important for success in this role.
Join Synthflow AI, a revolutionary no-code platform designed for deploying voice AI agents that transform contact center operations and business process outsourcing (BPO) at scale. We empower mid-market and enterprise companies to efficiently manage routine calls, ultimately saving valuable time and resources for their teams.Our voice AI agents have made a significant impact:Saved over 5 million hours in contact center operationsIncreased call answering rates by 35% compared to non-AI operatorsHandled 45 million calls with an impressive 99.9% uptimeSupported by leading investors such as Accel, Atlantic Labs, and Singular, we are proud to serve over 1,000 customers and drive an industry shift towards advanced and accessible conversational AI.About the Role:We are seeking a Senior Python Engineer to develop robust, production-grade software and backend systems, focusing on databases, scalable APIs, and core engineering principles.Your Key Responsibilities:Design, develop, and maintain our backend infrastructure, ensuring scalability, performance, and reliability.Create and enhance data models and persistence layers with a strong emphasis on PostgreSQL best practices, including schema design, migrations, query optimization, indexing, and transactions.Develop and support enterprise-grade APIs using FastAPI, focusing on versioning, authentication/authorization, and observability.Participate in pair programming to foster code quality and team collaboration.Manage deployments and environments with Kubernetes and GitOps practices (ArgoCD).Conduct code reviews, offering constructive feedback and ensuring adherence to best practices.Contribute to end-to-end product delivery, including occasional front-end feature development when necessary.Qualifications:5+ years of experience as a Python developer, successfully delivering production systems.Proven expertise in building scalable and extensible data infrastructures.Strong familiarity with relational databases, particularly PostgreSQL (performance tuning, migrations, transactions).Experience in developing and maintaining enterprise-grade APIs using FastAPI.Solid understanding of engineering fundamentals and best practices.
Andercore
About the CompanyAndercore is an innovative AI-powered trading platform revolutionizing the industrial supply chain for infrastructure, energy, and construction materials. We connect thoroughly vetted suppliers from Asia, Europe, and the GCC region with local demand through a seamless integrated platform.Our proprietary AI technology digitizes and automates the entire lifecycle of materials trade—covering procurement, pricing, inventory management, logistics, and embedded financing—thus transforming countless manual processes into real-time, orchestrated workflows.Buyers enjoy instant quotes, dependable availability, and predictable delivery via our unified operating system. Suppliers benefit from precise forecasting, effective demand management, and smooth integration into cross-border fulfillment networks. We collaborate with leading brands to execute both dropship and cross-dock fulfillment strategies for large-scale transactions, turning global supply chains into predictable, repeatable, software-driven workflows.Having achieved triple-digit million GMV and operating in six international markets, we are swiftly moving towards profitability. With a diverse team of over 80 members based in Berlin and Asia, we are on a mission to build the world’s first industrial-grade AI operating system for materials—redefining the dynamics of global trade in one of the most critical industries.Backed by top-tier investors and global banking partners, we recently secured a $40 million Series B funding round led by Atomico, Project A, and Invent Capital, supported by institutional backing from Commerzbank and KfW.About the RoleAs a Senior Backend Engineer, you will serve as a technical pillar within our team, expected to lead by example, influence architectural decisions, and elevate the quality of our deliverables. You will work autonomously while remaining deeply embedded in a collaborative engineering culture.Tech Stack: Java 21 (Spring Boot 3), Python, LangGraph, LLM APIs (OpenAI, Anthropic, Gemini), PostgreSQL, Kinesis, AWS, Terraform, GitHub Actions, Node.js, TypeScript, Next.js, React.
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