Senior Full Stack Developer

jobgether is looking for a Senior Full Stack Engineer based in Germany. This position centers on building and maintaining applications that support both the front end and back end of our platform. Role overview The Senior Full Stack Engineer will work with multiple teams to design, implement, and support scalable solutions. The focus is on improving user experience and strengthening product functionality. Day-to-day, this means developing features, solving technical challenges, and ensuring our applications run smoothly. Collaboration Expect close collaboration with colleagues from various disciplines. Input and ideas will help shape product direction and service quality. Contributions in this role play a key part in the company’s growth and the ongoing improvement of our offerings.

Join skalar as a Senior Full-Stack Engineer and take your career to new heights. In this pivotal role, you will design and implement robust, scalable applications that seamlessly integrate both front-end and back-end technologies. Collaborate with a diverse team of developers to create innovative solutions that enhance user experience and drive business success.

As a Senior Full-Stack Engineer at causaprima, you will be instrumental in developing the interactive surfaces that facilitate user engagement with our AI agents. This includes creating dynamic dashboards, approval workflows, real-time visualizations, and a user-friendly counterparty portal designed to seamlessly integrate new companies into our network.Your ResponsibilitiesReal-Time Communication Infrastructure — Implement WebSocket-based event streaming, manage agent notification systems, and handle dynamic queries.Cash Flow Forecasting Visualizations — Develop probabilistic forecasting tools with uncertainty bands, allowing users to drill down into invoice details and underlying assumptions.Counterparty Portal Development — Create a lightweight portal for suppliers and customers to track invoice statuses, manage disputes, and view payment commitments through secure access links.User Approval Interface — Design a human-in-the-loop interface for reviewing agent reasoning and source documents prior to approval actions.Session Management & Authentication — Integrate OAuth 2.0 / OIDC, manage JWTs with tenant context, and oversee session lifecycles backed by Redis, including issuing magic link tokens for the counterparty portal.API / BFF Layer Development — Build a TypeScript service layer that acts as a mediator between the React frontend and the Python agent backend, ensuring tenant-scoped security through REST, GraphQL, and WebSocket endpoints.MCP Server Integration — Develop a Model Context Protocol endpoint for external AI agent integration, facilitating agent-to-agent interoperability across the supply chain.

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.

About ClickHouseFeatured in the prestigious 2025 Forbes Cloud 100 list, ClickHouse stands as a pioneer and rapidly growing force in the private cloud sector. Serving over 3,000 clients and boasting an annual recurring revenue (ARR) growth of over 250% year-on-year, ClickHouse excels in real-time analytics, data warehousing, observability, and AI workloads.The company's remarkable growth trajectory was recently bolstered by a $400M Series D financing round. In the last three months, notable clients such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have either adopted or expanded their use of our platform, joining a distinguished clientele that includes AI trailblazers and global brands like Meta, Cursor, Sony, and Tesla.We are committed to revolutionizing the way organizations utilize data. Join us on this exciting journey!We invite you to be part of our mission to transform Observability for Developers! At ClickHouse, we aim to redefine how engineers monitor, debug, and scale their production applications with HyperDX. HyperDX is an open-source platform that converts telemetry data into actionable insights. Imagine a landscape where logs, metrics, traces, and session replays converge effortlessly to identify root causes faster than ever. If you've ever been awakened at 2 AM, frustrated with Grafana, Datadog, or Elastic for not providing the insights you need, you will understand the problem we are tackling—and now, you can help us solve it.We are seeking a Senior Full Stack Engineer to assist in building a petabyte-scale, high-performance observability platform with a strong emphasis on delivering an exceptional developer experience (the DX in HyperDX).

Role overview hawk seeks a Senior Full Stack Engineer to join the team in Munich. The focus is on building and maintaining web applications that address real client needs. Collaboration with product, design, and engineering colleagues is a key part of daily work. What you will do Design, implement, and maintain web applications with attention to usability and efficiency Work alongside team members from various disciplines to deliver reliable solutions Guide the team in coding, testing, and deployment practices Promote the use of current technologies and frameworks to ensure projects remain scalable and secure What we value Experience working across the full stack, from frontend to backend Ability to mentor others and set high standards for code quality Dedication to building solutions that are both reliable and user-friendly Comfort working in a collaborative, cross-functional environment This Munich-based position offers the opportunity to influence both the team and the products delivered to clients.

Join Us at Jimdo - Empowering the Self-EmployedAt Jimdo, we are dedicated to unleashing the potential of solopreneurs and micro-businesses. Our platform simplifies the complexities of building successful businesses, allowing our users to focus on what they are passionate about.Founded in 2007 by three friends in Northern Germany, Jimdo has evolved into a profitable, remote-first company with over 220 professionals from more than 50 nationalities across 15 countries. We've empowered over 36 million users to establish their online presence.We are not just a website builder; we are an AI-driven platform that supports the self-employed in running their businesses efficiently—from improving online visibility to acquiring customers and handling daily operations with confidence.Central to our mission is our commitment to personalized, data-driven guidance. Our platform integrates design, business tools, and AI capabilities to transform real customer data into actionable insights, enabling our clients to focus on what propels their businesses forward.Your Role:As part of a dynamic team of expert engineers, you will play a pivotal role in enabling Jimdo’s business and engineering teams to deliver impactful results swiftly across our product offerings. Reporting to the Head of Architecture, you will be a senior full-stack developer who takes ownership of projects from front-end to back-end and infrastructure, driving them to completion.Your work will involve navigating diverse domains and codebases, addressing critical needs as they arise rather than adhering to a fixed long-term project. You will tackle both straightforward and complex tasks using modern technologies, including AI-assisted development, ensuring rapid progress without sacrificing quality. Your extensive engineering background, combined with a flexible mindset, will help us achieve faster outcomes while collaborating closely with staff engineers and product teams. This role is perfect for those who value autonomy, relish variety, and enjoy system-level thinking, working collaboratively to deliver impactful results.Your Contributions:Design and develop scalable APIs, services, and user interfaces.Adapt quickly to different codebases, comprehending context and resolving critical challenges.Deliver high-quality, maintainable code that meets our rigorous standards.

About the RoleTaktile empowers financial institutions to make informed and secure decisions through innovative AI technology. Our comprehensive software provides teams with the necessary tools to automate intricate decisions, ranging from customer onboarding and underwriting to fraud detection, all while ensuring complete visibility and control. By integrating AI with a diverse array of financial data, we allow companies to adjust their decision-making processes in real-time as market conditions, customer behaviors, and risks change.We are in search of a Senior Full-Stack Engineer to become a pivotal member of our Web SDK team and assist in crafting this product from its inception. You will take charge of developing the architecture for a cohesive client-side SDK that integrates identity verification, device intelligence, and document capture into a single, streamlined solution, facilitating secure and seamless customer onboarding for financial institutions. This role offers substantial impact and ownership, with a clear trajectory towards leading the team as it expands.If you have experience building SDKs, launching embeddable components, or working on developer-focused products that operate in external browsers, and you are enthusiastic about contributing at the intersection of fintech and platform engineering, we would love to connect with you.Your ResponsibilitiesArchitect the SDK from scratch: Design and develop a client-side JavaScript/TypeScript SDK that coordinates multiple third-party vendor scripts behind a unified, headless API.Build the hosted verification experience: Create a secure, embeddable web application that presents interactive identity verification flows with a sophisticated, brandable user experience.Own reliability end-to-end: Implement versioning strategies, staged rollouts, and CI/CD pipelines for client-side code operating in customer browsers.Solve complex integration challenges: Manage vendor SDKs, each with unique quirks, lifecycle hooks, and failure modes, ensuring they work together effortlessly.Shape the product and the team: Collaborate with Product, Design, and customers to define the developer experience of the SDK. As the team grows, you will have the opportunity to advance into a tech lead role.Engage directly with customers: Work with early adopters to understand their integration environments and guarantee the SDK performs flawlessly in real-world scenarios.

Become a pivotal member of our Berlin team, dedicated to enhancing a high-performance Geospatial Platform and GIS cloud solution. In this role, you will participate in the development of a distinctive hybrid architecture that effectively merges offline, edge-processing capabilities (PIX4Dfields) with scalable cloud solutions (PIX4Dcloud).Your contributions will focus on the comprehensive development of AgTech data services aimed at addressing real-world challenges—creating innovative tools that enable farmers to maximize yields, minimize chemical usage, and contribute to environmental sustainability. Engage daily with intricate and dynamic geospatial datasets, including high-resolution drone imagery, satellite feeds, and maps for autonomous tractors and spray drones. From large-scale backend processing of raster (GeoTIFF) and vector data to crafting intuitive, map-centered Angular interfaces, your work will have a significant impact. Our technology stack includes Python 3.11+ (Django/FastAPI), Angular 16+, Docker, and AWS.

Role overview N26 GmbH is hiring a Senior Full-Stack Security Automation Engineer in Berlin. This role focuses on building and automating security processes that protect the company’s mobile banking platform and technical infrastructure. What you will do Design and implement automation frameworks to support security operations Collaborate with engineering, product, and operations teams to integrate security into daily workflows Develop security solutions for both front-end and back-end systems, protecting users and internal platforms Review and refine security protocols and practices on an ongoing basis Requirements Experience working with both front-end and back-end technologies Track record of automating security processes and frameworks Understanding of secure coding principles and cloud security Ability to work effectively with cross-functional teams This position plays a key part in defending N26’s applications and users from changing security threats. Engineers who like building practical solutions and improving security at scale will find this work meaningful.

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".

jobgether is looking for a Senior Full-Stack Engineer based in Germany with strong experience in Python and React. This role centers on building and improving software that supports the company’s platform. Role overview This position involves developing features from initial idea through to deployment. Collaboration with colleagues from different teams is a key part of the job, with a shared focus on delivering reliable code and a smooth user experience. What you will do Work with Python and React to create and maintain platform features Contribute to project planning, development, and release Collaborate with cross-functional teams to meet project goals Help ensure code quality and a positive experience for users

About ClickHouseFeatured on the prestigious 2025 Forbes Cloud 100 list, ClickHouse stands out as a pioneering and rapidly expanding private cloud company. Serving over 3,000 clients and achieving an impressive ARR growth of over 250% year-on-year, ClickHouse leads the industry in real-time analytics, data warehousing, observability, and AI-driven workloads.Our remarkable trajectory was recently underscored by a successful $400M Series D funding round. Within the last three months, notable clients such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have either adopted our platform or enhanced their existing implementations. These organizations join a prestigious list of AI innovators and global brands including Meta, Cursor, Sony, and Tesla.We are on a mission to revolutionize the way organizations leverage data. Join us on this exciting journey!Be part of our effort to transform Observability for Developers! We aim to redefine how engineers monitor, debug, and scale their production applications through HyperDX, now part of ClickHouse. HyperDX is an open-source platform designed to convert telemetry data into actionable insights. Imagine a world where logs, metrics, traces, and session replays seamlessly converge to identify root causes faster than ever. If you've ever been awakened at 2 AM, frustrated by tools like Grafana, Datadog, or Elastic that don't provide the answers you need, you'll understand the challenge we are tackling. Now, you can assist us in solving it.We are looking for a Senior Full Stack Engineer to contribute to the development of a petabyte-scale, high-performance observability platform focused on delivering an exceptional developer experience (the DX in HyperDX).Key Responsibilities:Product Development: Take ownership of and develop key features, concentrating on frontend and backend systems that enhance debugging and monitoring for developers.Community Engagement: Collaborate with open-source contributors and customers, address their challenges, and integrate their feedback into our development roadmap.Technical Challenge Resolution: Elevate HyperDX to efficiently manage petabytes of observability data. You'll unlock innovative analysis tools that empower engineers to resolve production issues like never before, all while scaling our cloud-hosted platform to deliver unparalleled performance for our expanding customer base.

Join Entyre, a dynamic health tech scale-up that is reshaping the healthcare landscape in Switzerland and the United States. With over 500 employees across global offices in Zurich, Berlin, Boston, Chicago, Detroit, Washington, and Denver, we are on an exciting growth trajectory.Our Berlin tech hub is seeking a Senior Full-Stack Engineer who is passionate about crafting and scaling our core platform. This role offers an opportunity to take ownership of our software solutions, emphasizing workflow automation and data analytics. You will be part of a dedicated team in Berlin, responsible for enhancing our two primary software products while continuously delivering high-quality features. Our technology stack includes Node.js, TypeScript, and Vue.js.Your Responsibilities:Software Development: Design and implement high-quality applications and software solutions.Technical Proficiency: Use your expertise to tackle our technical challenges effectively.Team Collaboration: Work closely with cross-functional teams including Product, Operations, and Patient Care Teams.Project Management: Manage technical projects from inception to deployment, ensuring a smooth development cycle.What We Provide:Significant role in a compact, skilled software team.Modern office environment in vibrant Kreuzberg, with flexibility for up to 3 days of remote work each week.Monthly mobility allowance for public transport, biking, or shared mobility options.Attractive employee discounts.Strong team culture with regular events, refreshments, and snacks in the office.

flix is looking for a Senior Full Stack Engineer (m/f/d) to join the Demand Division in Berlin. This position centers on building and improving contact center applications, with a strong emphasis on scalable interfaces and automation that support agent workflows. Role overview As part of the development team, this engineer will help shape software products used at scale. The role involves working on both design and implementation, with a focus on discovering and refining workflows that drive efficiency and effectiveness for contact center operations. Current tech stack Languages & Frameworks: Python, JavaScript, TypeScript, Java, Flask, FastAPI, Node.js, React, Spring Boot Cloud Providers and IaC: AWS, Azure, Terraform, Serverless Data Layer: Elasticsearch, Snowflake Streaming and Messaging Layer: Kafka Observability: Datadog, Kibana What you will do Develop and maintain scalable interfaces and automations for contact center applications Contribute to the design process to identify and implement optimal workflows Collaborate with the team to evolve software products for large-scale use

jobgether is looking for a Full-Stack Product Engineer based in Germany. This position covers both front-end and back-end development, supporting the creation of applications that improve user experience. Role overview This role involves contributing to the entire development process, from designing features to building and maintaining applications. The work spans multiple projects and offers the chance to apply a broad range of technical skills. What you will do Develop and maintain both front-end and back-end components of web applications Collaborate with team members to deliver features that support user needs Work on projects aimed at improving performance and usability Requirements Experience in full-stack development Ability to work on both user-facing and server-side features Interest in building high-performance, user-focused applications

Join smava, the leading online credit comparison platform in Germany, where we strive to make loans transparent, fair, and affordable! With over 300,000 satisfied customers, we are shaping the digital future of the consumer loan market. Become a part of our innovative team!Our development teams are organized around the customer journey, taking complete ownership of their respective platform segments and services. Working autonomously, we empower teams to make decisions within our exciting roadmap, fostering a responsible and collaborative environment.YOUR NEW TEAMWe are on the lookout for a Senior Full Stack Engineer to enhance our Customer Communication team. Our mission is to streamline the loan application process by creating an innovative omni-channel communication landscape. By developing services that ensure timely and meaningful interactions with our customers—via email, SMS, RCS, WhatsApp, and our automated dialer for calls—we aim to elevate the customer experience. Our team continuously optimizes the customer journey through data-driven experiments.WHAT YOU WILL BE DOINGDevelop and maintain data-intensive Node.js and TypeScript services operating on AWS Lambda and Kubernetes.Ensure the reliability and stability of customer communication services through effective traffic management.Design and implement new features while enhancing existing systems to optimize performance and efficiency.Contribute innovative ideas to integrate artificial intelligence into our processes.Engage actively in team decision-making regarding goals, timelines, and tech stack.Work closely with our Product Owner to continuously evolve features within our domain.Own the development and operations processes, adhering to our

At AlfaDocs, our mission is to revolutionize healthcare. Our innovative software platform simplifies daily operations for medical practices and enhances patient engagement by optimizing practice management and strengthening patient relationships. With our comprehensive, cloud-based solution, healthcare professionals can dedicate more time to patient care and less to administrative tasks.We pride ourselves on delivering high-performance solutions while cultivating a collaborative and respectful environment where every team member's contributions are appreciated. Our collective passion is to create a lasting impact in the healthcare sector, fostering an atmosphere where both our team and customers can flourish.As a Senior Full Stack Backend Engineer (all genders), you will take charge of secure, scalable feature development, owning the backend, shaping architectural design, and mentoring fellow team members.Full Stack Development: Lead the entire lifecycle of feature development from conception to deployment, with a strong emphasis on security and scalability.Architecture & Design: Make key architectural decisions to ensure compliance with healthcare industry standards and long-term system sustainability.Cross-Functional Collaboration: Collaborate closely with product managers, designers, and stakeholders to ensure technical solutions align with business objectives.Team Mentorship: Provide mentorship to junior developers, nurturing a culture of learning and innovation.Automation & CI/CD: Implement automated testing, continuous integration, and deployment pipelines to uphold high code quality.Technical Roadmapping: Contribute to planning by assessing technical feasibility, estimating timelines, and identifying resource needs.Industry Awareness: Stay updated on emerging technologies and industry trends to enhance product and process efficiency continuously.Team Culture: Foster a positive team atmosphere infused with humor and optimism, helping to maintain morale and collaboration during challenging times.

About the Role We are seeking a Senior Full-Stack Engineer who excels at the convergence of product innovation, infrastructure development, and AI-enhanced programming. In this pivotal role, you'll design and implement scalable web applications that will contribute directly to the technical architecture of Bluefish’s cutting-edge AI marketing platform. You will collaborate closely with AI engineers, product managers, and designers to develop impactful features, ensuring that our solutions are technically robust and aligned with user requirements. We are looking for a candidate with a strong focus on product outcomes, who values user experience as much as implementation. As a vital team player, you will foster a culture centered on ownership, high engineering standards, and ongoing improvement. You will mentor colleagues, engage in thoughtful design discussions, and help the team to achieve rapid progress without compromising quality. This position provides the chance to take ownership of critical systems, influence our technical strategy, and help shape the future of AI-assisted development in marketing technology. This position is fully remote within Germany. What You Will Do Architect and develop scalable, secure web applications, making thoughtful decisions between speed, reliability, and complexity. Align design with engineering by validating the technical feasibility of UI/UX designs and optimizing performance from the initial render to database queries. Establish and maintain high engineering standards through rigorous code reviews, coding best practices, and specification-driven development that keeps the team aligned and agile. Lead initiatives to scale systems to accommodate a 100x increase in load, identifying bottlenecks and fortifying infrastructure proactively. Collaborate closely with AI engineers, product managers, and designers to create technically sound and impactful solutions. Stay informed on advancements in GenAI, LLMs, GEO, and AI-driven marketing, converting emerging trends into actionable product and technical strategies.