Full-stack Engineer (Java/Kotlin) - Payments Team

flix is hiring a Full-stack Engineer to join the Payments Team in Berlin. This team develops and maintains the systems that process payments, focusing on both a smooth user experience and the company’s business needs. Java and Kotlin are key technologies in this role. What you will do Collaborate with colleagues across disciplines to design, build, and launc…

Join Flix, where technology and innovation collide to create real-world solutions. We offer competitive compensation, extensive growth prospects, and a collaborative culture that emphasizes ownership and teamwork.As a Full-stack Engineer with a robust backend focus in Kotlin, you will play a key role in shaping the future of payments for sustainable and intelligent mobility.You will be part of our Payments Team, which is central to our checkout experience within the Demand Division. Your contributions will directly influence how millions of users process their payments, the speed of their transactions, and our overall revenue generation.We are constantly striving to enhance payment authorization and conversion rates, boost payment efficiency, and ensure data integrity. At the same time, we are integrating local payment methods across various markets and overcoming intricate engineering challenges.Our core services are developed using Kotlin and Spring Boot, while our interfaces utilize TypeScript and React.js. We also manage some legacy PHP systems; while a passion for PHP isn't necessary, a willingness to engage with it when required is appreciated.

Join Our Team as a Senior Full-Stack Engineer!Are you a driven and inquisitive Senior Full-Stack Engineer (Java/Kotlin)? We invite you to become an integral part of our Supply Division at Flix and elevate the customer station experience to unprecedented heights!As our network continues to expand, Flix customers across the globe anticipate a smooth and enjoyable experience at our stations during their travels. Our self-organized, cross-functional, and distributed team develops innovative solutions to empower Flix station managers in efficiently managing station inventory, which is essential for numerous internal tech teams at Flix, ultimately enhancing the overall experience for millions of passengers.In this role, you will be instrumental in shaping the product landscape by spearheading innovation, tackling complex challenges, and leaving a significant impact on our organization.

About The RoleAt think-cell, we are dedicated to revolutionizing the way professionals create impactful business presentations. By integrating advanced automation and assistance features, we enhance our product to serve over 1.3 million users globally. In this exciting role, you will transform innovative ideas and cutting-edge AI concepts into robust features that redefine user experience.Your responsibilities will include developing production-ready systems that seamlessly connect modern backend services with user-friendly interfaces. Collaborating closely with C++ engineers on our core product and AI engineers pushing the boundaries of automation, you will play a pivotal role in bringing new functionalities from concept to everyday use.This position is perfect for engineers who take pride in crafting clean, scalable systems, prioritize code quality, and thrive in a collaborative environment where impactful features are regularly delivered.

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 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 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.

About Uszenjob is an innovative staffing platform powered by AI, connecting companies with temporary workers since 2015. Our platform allows businesses to book pre-qualified staff in real-time, while students utilize our app to discover part-time job opportunities that fit seamlessly around their studies. With over 40,000 students and 1,000 partner companies across logistics, retail, and hospitality sectors in major cities throughout Germany, we share a commitment to exceptional work, driven by cutting-edge technology and passion. Start your journey to great work with us.About the RoleAs a Senior Full-Stack Engineer (f/m/d) at zenjob, you will be instrumental in designing and developing our product. Engaging with both backend services and user-friendly frontend interfaces, you will collaborate closely with product managers and stakeholders, establish engineering standards, and mentor fellow engineers. If you thrive in a dynamic environment and seek to make a tangible impact on a platform used by thousands, we encourage you to apply.Your ContributionsDesign, develop, and manage end-to-end features from conception through to deployment and maintenance.Build and enhance backend services and frontend applications using TypeScript and Java, with gRPC as our primary communication protocol.Work collaboratively across business, product, and data teams to deliver reliable, high-value features.Advocate for quality and enhance engineering practices to ensure continuous value delivery.Drive architectural and process decisions, leveraging your experience to influence the engineering organization.Mentor and support fellow engineers, promoting a culture of learning and continuous improvement.Create tooling, documentation, and shared libraries to elevate contributions across the codebase.Who You AreYou have a proven track record of delivering complex, high-impact projects end-to-end, from business case development to cross-functional collaboration.

Join Our Innovative TeamAt SumUp, we provide powerful Point-of-Sale (POS) solutions that empower diverse businesses such as cafes, shops, bars, and salons to thrive. Our platform features robust tools for product management, inventory oversight, business analytics, regulatory compliance, and customer loyalty programs.Our advanced POS solution is seamlessly integrated into the SumUp SuperApp, supporting both our proprietary hardware and a variety of mobile devices.As an Android Developer, you will work alongside a talented, cross-functional team comprising Product Managers, Designers, Engineering Managers, and fellow developers.Your RoleWe are transitioning to a Kotlin Multiplatform (KMP) strategy to facilitate shared development for both Android and iOS applications. In this dynamic role, you will gain expertise, refine your skills, and contribute to the evolution of our mobile applications.You are a developer who prioritizes user-centric design, values clear communication, and excels in collaborative environments.On-site Collaboration in BerlinWe believe that in-person interactions drive innovation and teamwork, making this role exclusively on-site in Berlin.Your ResponsibilitiesDevelop and enhance features for the item catalog within the SumUp SuperApp.Contribute to the architectural improvement of the application while supporting our Kotlin Multiplatform initiative.Maintain and enhance our unified Android application, serving over 60 countries and ensuring high-quality, scalable solutions.Identify areas for enhancement, influencing product evolution and participating in daily decision-making.Create comprehensive documentation and execute thorough testing for new features prior to deployment.Work closely with Designers, Product Managers, and Android engineers to provide a cohesive user experience across platforms.Mentor and coach junior engineers.Who You AreYou possess 3+ years of experience in mobile engineering, specifically with Android and Kotlin.You have 2+ years of experience utilizing Jetpack Compose.You have a strong understanding of software design patterns (e.g., MVVM, MVI) and are skilled in creating modular, scalable app architectures.You are passionate about user-centric design and thrive in a collaborative environment.

About Our Team At SumUp, we provide a cutting-edge Point-of-Sale (POS) solution that empowers businesses such as cafes, shops, bars, and hair salons to operate seamlessly and grow. Our platform boasts a vast array of features, including product catalogs, inventory management, business analytics, compliance support, and loyalty tools. Our POS solution integrates flawlessly into the SumUp SuperApp, which is compatible with our proprietary register hardware as well as mobile devices like tablets and smartphones. As a Senior Android Developer, you will work alongside an innovative, cross-functional team consisting of Product Managers, Product Designers, Engineering Managers, and fellow developers. About the Role We are transitioning towards a Kotlin Multiplatform (KMP) strategy, facilitating shared development between Android and iOS. In this role, you will gain experience with this technology, helping to shape the future of our mobile applications. If you are a developer who prioritizes user-centric design, precision, and effective collaboration, you will thrive here. You bring structure to communication and flourish within a cross-functional environment. This position is based in Berlin, where face-to-face interactions fuel innovation and teamwork. Your Responsibilities Develop new features for the item catalog within the SumUp SuperApp Improve application architecture and actively contribute to our Kotlin Multiplatform strategy Enhance and maintain our unified Android app, utilized in over 60 countries, ensuring high-quality and scalable solutions Drive product evolution by identifying improvement opportunities and participating in daily decision-making Create comprehensive documentation and implement thorough testing for features prior to release Work closely with Designers, Product Managers, and Android engineers to ensure a cohesive UX experience across platforms Mentor and coach junior engineers You Will Excel in This Role If: You possess 8+ years of experience in mobile engineering, particularly with Android and Kotlin. You have 2+ years of experience with Jetpack Compose. You have a strong grasp of software design patterns (e.g., MVVM, MVI) and expertise in creating modular, scalable app architectures. You are knowledgeable about reactive programming (Flow, Coroutines, and Concurrency).

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 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.

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.

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.