Full Stack Software Engineer - Billing Team

ABOUT LITITLITIT is a pioneering joint venture between NTT DATA and Reiz Tech, recognized for its extensive industry expertise and dedication to driving innovation in the IT sector. Our primary mission is to deliver exceptional solutions within the DACH region, blending German precision, Japanese work ethics, and Lithuanian talent to provide top-notch IT services and support to our clients.ABOUT OUR CLIENTOur client stands as a global leader in the automotive industry, celebrated for its strong focus on innovation, engineering excellence, and premium digital solutions. This large-scale organization is responsible for developing and maintaining intricate, high-performance systems that support a diverse array of internal and customer-facing platforms.ROLE SUMMARYWe are seeking a talented Full-Stack Software Engineer to contribute to a modern, impactful platform that delivers visual content to various downstream systems. This role encompasses the development and maintenance of both backend services and frontend applications, with an emphasis on performance, scalability, and code quality. You will play a crucial role in making key technical decisions and taking ownership of features throughout the entire development lifecycle.KEY RESPONSIBILITIESDesign, develop, and maintain backend services utilizing Java and Quarkus.Create and improve frontend applications with Angular, alongside LitElements and Vue.js as complementary technologies.Collaborate with cross-functional teams to define, design, and implement new features.Ensure the system's high performance, reliability, and scalability.Participate in code reviews, advocating for best practices and technical standards.Support deployment and infrastructure processes, utilizing AWS and Terraform as needed.Contribute to operational support under strict SLAs, including monitoring and incident management.Join on-call rotations post-onboarding and qualification.

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.

Brainlab is seeking a talented Full Stack Software Engineer to join our dynamic team in Munich. This role involves designing and developing innovative software solutions that enhance our healthcare technology. As a Full Stack Engineer, you will work collaboratively with cross-functional teams to deliver high-quality applications that meet the evolving needs of our clients.

At Veeva Systems, we are dedicated to transforming the life sciences industry through innovative cloud solutions. Our mission is to expedite the delivery of therapies to patients, and we have established ourselves as a leader in the SaaS space, achieving over $3B in revenue last fiscal year with substantial growth potential ahead. Our core values drive us: Do the Right Thing, Customer Success, Employee Success, and Speed. In 2021, we made history by becoming a public benefit corporation (PBC), legally obligated to balance the interests of our customers, employees, society, and investors. We embrace flexibility as a Work Anywhere company, allowing you to choose between remote work or office-based opportunities, fostering an environment where you can thrive. Join us in revolutionizing the life sciences sector, dedicated to positively impacting our customers, employees, and communities.The Role Are you eager to create meaningful products in a greenfield setting? We aim to develop a data stewardship platform that streamlines OpenData's data curation processes, facilitating collaboration among Product Managers and over 1,000 global data stewards to enhance data coverage and quality. As a Full-Stack Software Engineer, you will work alongside a talented team of engineers to transform ideas into deployable features. You will thrive in an agile environment, making a direct impact on users within a rapidly growing, leading life sciences company.

Join Mirelo AI, a pioneering force in creative technology that transforms video content through realistic sound, speech, and music generation.We are at the forefront of generative AI, crafting innovative foundational models that 'unmute' silent videos, delivering custom, hyper-realistic audio tailored for gaming, video platforms, and content creators. Our groundbreaking technology empowers storytellers worldwide to elevate their narratives.Having successfully secured a $41 million Seed round co-led by Andreessen Horowitz and Index Ventures, with contributions from Atlantic, we're experiencing rapid growth across our Product, Engineering, Go-to-Market, and Growth teams.About the RoleAs a Full-Stack Software Engineer at Mirelo, you'll be an integral part of our dynamic, fast-paced team, developing tangible products based on our advanced generative audio models. This position emphasizes hands-on involvement and significant ownership: you'll be responsible for delivering end-to-end features throughout our tech stack, collaborating directly with research and product teams, and influencing the practical application of our technology for users and partners alike. As we enhance our go-to-market strategies, your engineering contributions will play a vital role in both user-facing products and intricate integrations with various platforms, tools, and enterprise collaborators.Key ResponsibilitiesDesigning and maintaining our innovative products leveraging cutting-edge generative AI models for audio and music.Take full ownership of delivering end-to-end features across both front-end and back-end systems, while also guiding the trajectory of the features and products you develop.Engage closely with our research and sales teams; stay attuned to user needs, identify practical opportunities, and convert them into actionable engineering tasks.Utilize our existing tech stack effectively: TypeScript, React, Tailwind, shadcn, and Convex for backend development.Implement essential cloud services—primarily AWS Lambda and S3—for seamless integrations, automation, and deployment workflows.Leverage modern AI-assisted development tools (e.g., Cursor, Claude Code) to expedite processes while maintaining high-quality craftsmanship.Foster clear communication with team members, actively participate in discussions, and collaboratively drive the technical direction.Ideal Candidate ProfileA minimum of 5 years of professional web development experience, ideally in dynamic product or startup environments.Proven expertise in front-end frameworks such as React and back-end technologies.Strong understanding of cloud services, particularly AWS.Excellent problem-solving skills and a collaborative mindset.A passion for technology and a desire to contribute to transformative projects.

About ClickHouseClickHouse has been recognized as one of the most innovative and rapidly expanding private cloud companies, proudly listed on the 2025 Forbes Cloud 100 list. With a robust clientele exceeding 3,000 and an astonishing annual recurring revenue (ARR) growth of over 250% year on year, ClickHouse is at the forefront of real-time analytics, data warehousing, observability, and AI workloads.Our momentum has been validated by a recent $400M Series D funding round. In just the past three months, esteemed customers such as Capital One, Lovable, Decagon, Polymarket, and Airwallex have either adopted our platform or expanded their existing uses. These brands join a prestigious lineup of AI innovators and global leaders, including Meta, Cursor, Sony, and Tesla.We are on an ambitious mission to revolutionize how companies leverage data. Join us on this exciting journey!About the TeamWe are seeking skilled Full Stack Software Engineers to join our Control Plane team.This team is dedicated to providing an exceptional user experience, facilitating seamless, automated, and scalable cloud infrastructure deployment, and managing the entire lifecycle effectively.We develop and maintain the Cloud Console—a sophisticated web application enabling users to manage organizational resources like database services and user access, execute queries through an advanced SQL IDE, visualize data with interactive dashboards, and monitor system performance.If you are passionate about building robust cloud platforms, you will find a great fit on our team!What You Will Do:Design and deliver scalable, highly available, resilient, and secure cloud-based infrastructure.Collaborate with cross-functional teams to define, design, and implement application features.Ensure the performance, quality, and responsiveness of applications and infrastructure.Identify and address bottlenecks and resolve bugs.Maintain code quality, organization, and automation.Engage in code reviews and foster a culture of continuous improvement.

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.

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.

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

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 Brainlab as a (Senior) Full-Stack Software Engineer, where you will play a pivotal role in developing innovative healthcare applications that improve patient outcomes. We are looking for passionate engineers with a strong background in both front-end and back-end technologies to help us transform the healthcare landscape.

About the CompanyAffinidi is a pioneering technology firm dedicated to revolutionizing data ownership. We empower both businesses and individuals to take control of their data with a holistic approach to identity management, ensuring security and privacy while accounting for every aspect of their digital presence.Our innovative solutions facilitate decentralized digital identities, championing the belief that everyone should have the right to manage and control their data. We are committed to establishing a trusted ecosystem of digital credentials that enable secure data and service exchanges across various industries and borders. About the Role:We are on the lookout for a passionate and seasoned Staff Software Engineer (Full Stack) to become a vital part of our engineering team. In this role, you will be responsible for creating robust, scalable applications that enhance user experience and drive our mission forward.

Join SonarSource as a Full-Stack Engineer and contribute to our mission of improving code quality through innovative software solutions. In this role, you will work collaboratively with a dynamic team to develop, enhance, and maintain our software products, ensuring they meet the highest standards of performance and usability.

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 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.

Full-Stack Engineer - GEOINTCompany OverviewAt Orcrist Technologies, we are pioneers in developing the Orcrist Intelligence Platform (OIP), a robust data intelligence system powered by Kubernetes. Delivered as either a SaaS or self-hosted/on-premises solution, including air-gapped deployments, we specialize in converting complex, multi-modal data into actionable intelligence tailored for defense, law enforcement, and enterprise teams.Role OverviewAs a Full-Stack Engineer specializing in GEOINT, you will play a critical role in designing and implementing advanced map and spatial analytics features utilized by mission teams. You will be responsible for developing TypeScript/Python services, creating engaging 2D/3D user experiences, and ensuring seamless offline capabilities in both connected and disconnected environments.Key ResponsibilitiesDevelop and deploy React/TypeScript map workspace features, including layers, annotations, timelines, and overlays.Design and build APIs that integrate with PostGIS, geoprocessing services, and vector/3D tiles.Enhance performance for large datasets and offline workflows through effective tiling, caching, and packaging.Implement telemetry and testing protocols, participating in on-call rotations for spatial services.Collaborate with designers, analysts, and data engineers to iterate swiftly based on user feedback.Qualifications3 to 7 years of experience in developing geospatial or visualization-centric full-stack applications.Proficient in TypeScript/React, Node.js or Python, with experience in Mapbox, MapLibre, or Cesium.Strong understanding of geospatial formats, projections, and performance optimization techniques.Eligibility to work in Germany; EU/NATO citizenship and security screening are required.Preferred QualificationsProficiency in German (B1 or higher).Experience with offline synchronization, deck.gl, or NATO symbology.What We OfferAccess to a modern tech stack: TypeScript, Next.js, React, Node, Kafka/Temporal, Postgres/OpenSearch, and Kubernetes.A remote-first work environment in Germany, with regular on-site prototyping sprints in Berlin, 30 days of vacation, and a budget for equipment and learning.Engaging, high-impact projects where your prototypes will influence product development across multiple delivery teams.

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 Mercura as a Full-Stack EngineerAt Mercura, we are at the forefront of integrating AI into the core of our economy. With strong backing from Y Combinator, we have successfully raised significant funding, achieving one of the highest valuations in our cohort. As a rapidly growing startup, we reached an impressive $2M in ARR in our first year and are on a mission to hit $10M ARR by the end of 2026.Our co-founder, Lukas, comes from a family with over 115 years in the construction industry, providing him firsthand insight into the challenges of slow and manual quoting processes.In this age of AI, we embark on a mission to enhance human expertise and empower workers in vital industries. Our vision is to revolutionize how businesses operate, making them more efficient and effective.Your RoleAs a Full-Stack Engineer, you will be instrumental in developing robust AI systems. This role demands a proactive engineer with a strong technical foundation and a founder's mindset. We're looking for experienced professionals who excel in delivering innovative web applications.If you’re a passionate innovator who thrives at the intersection of full-stack development and AI, this is your chance to collaborate with a team of exceptional engineers and redefine user interaction with AI.Key ResponsibilitiesCore Engineering: Design and create high-performance systems that support Mercura’s AI products, ensuring their reliability and scalability.End-to-End Ownership: Manage features from architecture through implementation to deployment, monitoring, and continuous improvement.Backend & APIs: Build scalable APIs and backend systems that enhance our AI capabilities and facilitate product growth.Product Engineering: Collaborate with users and the product team to transform real-world workflows into actionable product and engineering strategies.Rapid Iteration: Implement enhancements swiftly through agile iteration and practical engineering solutions.AI Integration: Work on LLM engineering and AI system integrations to enrich our product offerings.

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.