Senior Key Account Manager*in (d/w/m)

SET A NEW PULSE FOR HEALTHCARE! We are looking for a Senior Back End Software Engineer to join the Business Performance team at Doctolib. Your mission will be to help reinforce Doctolib's position as a leading healthcare technology platform by building high-quality products that improve the daily lives of healthcare professionals and patients. You will work in a feature team developing solutions that directly impact millions of people across Europe. Working in the tech team at Doctolib means building innovative products and features to improve the daily lives of care teams and patients. WHAT YOU'LL DO Your responsibilities include but are not limited to: * Collaborate with product managers, designers, and engineers to design and ship features that deliver real value to healthcare professionals and patients * Design and implement robust technical solutions ensuring performance, security, and usability across our back-end applications * Contribute to technical decisions and architectural choices — not just implementation — helping shape the long-term direction of the platform * Navigate integration complexity across a broad and diverse partner ecosystem, balancing delivery speed, reliability, and maintainability * Champion AI-assisted development workflows and help elevate your team's proficiency with these tools * Share your expertise across teams to evolve Doctolib's architecture and technical standards through knowledge sharing, code reviews, and pair programming WHO YOU ARE Before you read on: if you don't have the exact profile described below, but you feel this job description matches your skill set, we still encourage you to apply. You'll be a great fit if you: * Have strong back-end software engineering experience with the JVM ecosystem (Java, Kotlin, Spring Boot) * Have hands-on experience using AI-assisted coding tools and are comfortable integrating them into your daily workflow * Have significant experience navigating integration complexity across large partner networks and diverse legacy systems * Have a "user first" mindset and are committed to building secure, well-tested, and pragmatic code — you bring a strong testing culture and care deeply about code quality and system resiliency * Are proactive, curious, and eager to grow alongside your teammates through pair programming and cross-team collaboration * Are fluent in English It would be fantastic if you: * Have experience with Ruby on Rails * Have contributed to large-scale platform architecture discussions or technical roadmap planning LIFE AT DOCTOLIB TECH * Our solutions are built on a single fully cloud-native platform that supports web and mobile app interfaces, multiple languages, and is adapted to country and healthcare specialty requirements. * Our stack is composed of Rails, TypeScript, Java, Python, Kotlin, Swift, and React Native. * We leverage AI ethically across our products to empower patients and health professionals. Discover our AI vision here [https://careers.doctolib.com/ai-careers/]. Want to learn more about our tech culture and environment? Visit the Doctolib Tech site [https://careers.doctolib.com/tech-doctolib/]. WHAT WE OFFER * A Deutschlandticket (Germany-wide public transport pass) fully paid for by Doctolib * 28 vacation days + 1 additional day for each full calendar year of employment (up to a maximum of 30 days) * Work from abroad for up to 10 days per year thanks to our flexibility days policy * Company health insurance with great supplementary benefits through our partner Allianz * Company pension scheme (bAV) through Allianz with an employer subsidy of 40% (15% within the probationary period) * The Doctolib Parent Care program, which includes one month additional parental leave and much more * Enrollment in Doctolib's long-term employee value sharing plan called DoctoGrowth * Free mental health and coaching services through our partner Moka.care * Subsidized sports membership through our partner Urban Sports Club * A flexible workplace policy offering both hybrid and office-based mode * Alongside healthy snacks and our regular breakfast buffet, we provide a subsidized meal benefit * For caregivers and workers with disabilities, a package including an adaptation of the remote policy, extra days off for medical reasons, and psychological support * Relocation support in case of international mobility * Access to the best AI tools for coding, development and dedicated training OUR INTERVIEW PROCESS * Recruiter Interview * Coding Interview * System Design Interview * Final Interview * At least one reference check We want your experience to be clear, respectful, and transparent. Learn more about our hiring process on our candidate experience page [https://careers.doctolib.com/tech-doctolib/getting-hired/]. JOB DETAILS * Permanent position * Tech stack: React, Java, Kotlin, Ruby on Rails * Full-time * Berlin, Germany * Hybrid work setup (up to 2 remote days per week) * Start date: as soon as possible WE WELCOME EVERYONE At Doctolib, we are committed to improving access to healthcare for everyone. This translates into our recruitment process. We evaluate candidates based solely on qualifications and motivation, without any form of discrimination. The more diverse ideas are heard, the more our product will truly improve healthcare for all. You are welcome to apply to Doctolib, regardless of your gender, religion, age, sexual orientation, ethnicity, or disability. To ensure equal opportunities, we invite you to exclude personal information (e.g., pictures, age) from your applications. If you require any accommodation, please let us know for support during the hiring process. Join us in building the healthcare we all dream of! YOUR DATA PRIVACY All information provided is processed by Doctolib for application management. For data processing details, click here [https://doctolib.legal/B2C-Privacy-Policy-Career-DE]. Please contact hr.dataprivacy(at)doctolib.com for inquiries or to exercise your rights.

Raisin is the world’s leading platform for savings and investment products. Founded in 2012, the FinTech connects consumers with banks in the EU, the UK and the US. This gives consumers better interest rates and banks a diversified form of refinancing. Our vision is to offer savings and investments without barriers and thus open up the global 160 trillion euro market. Raisin currently employs more than 800 people from over 75 countries worldwide. Today, the platform holds over 80 billion euros in assets from more than one million investors which have accrued over 5 billion euros in returns. Team The US Payments & Partner Operations (PPO) team owns the core money-movement stack for the Raisin US’ platform: ACH payment initiation, reconciliation, returns, and cut-off scheduling, plus the customer accounts lifecycle — bank linking, fraud signal integration, and identity verification. Beyond payments, the team manages the B2B layer: onboarding and configuring Deposit-taking Banks, service banks, and custodians, including their user/role management. It also covers invoicing data pipelines for Deposit taking banks, escheatment workflows for dormant accounts and visibility for operations and customer support through our internal platform portal. Your Responsibilities * Own and deliver features and bug fixes end-to-end with minimal guidance. * Identify and address bottlenecks in the team's delivery flow, from design to deployment. * Utilize AI tools intensively for increasing our ability and pace to deliver software. * Promote best practices around our core stack. * Transfer knowledge proactively, lead by example in learning and mentoring. * Contribute to improving how we program, test, review, and ship code. * Flag process gaps and propose pragmatic improvements. * Elevate engineers in growing their technical skills. * Provide constructive code review and solve complex problems together. * Quickly build practical depth in PPO's domains. * Contribute meaningfully to new feature design and implementation. * Bring engineering perspective into domain discussions alongside other team roles like Product Manager, Tech Lead and Engineering Lead. Your Profile We are looking for a versatile Senior Full-Stack Engineer with a deep, rock-solid foundation in the .NET and SQL Server ecosystem, who has the architectural maturity to adapt to other layers and the drive to learn the rest of our stack. Required: * Designing, optimizing, and maintaining robust enterprise APIs using .NET Web API. * Building and structuring web applications with .Net * Strong relational database design, complex querying, and performance tuning in SQL Server. * Design Patterns: A deep understanding of SOLID principles and a proven track record of writing Clean Code. * Structural Strategy: Practical experience working within modern architectural patterns, specifically Clean / Onion Architecture, to keep codebases decoupled and testable. * Fast Learner: You don't mind stepping out of your .NET comfort zone to touch a React component or a Go microservice. * Problem Solver: Highly analytical with a strong focus on detail and quality. * Collaborator: A team-first peer who thrives on open communication and cross-layer collaboration. Desired: * Experience building user interfaces with React JS, JavaScript, and HTML, accompanied by testing tools like Jest or React Testing Library. * Exposure to, or curiosity about environments like Node.js, GoLang, or Java / Spring Boot, and building APIs  * Experience with GraphQL. * Working knowledge or conceptual familiarity with MongoDB or NoSQL Databases * Familiarity with NUnit for automated testing * Familiarity with secure authentication via OAuth and ASP.NET Identity.   Join our mission, join our team – and grow with us! At Raisin, we care about each other and it is one of our top priorities to foster an open and caring environment in which everyone feels welcome and comfortable. Our culture is strongly driven by our ambitious team, which connects more than 75 different nationalities. As part of our team, you will benefit from: * Employee Development Budget of €2,000 and four full training days per year. * Flexible working hours, home office and 30 vacation days. * A company pension scheme (Betriebliche Altersvorsorge), which we support with 20%. * Enjoy more than 50+ different sports with Urban Sports Club: We subsidize your membership with more than €20 per month.  * Do you miss being in the office? The Deutschland Ticket gets you there, which we subsidize with €25 per month. * Love cycling? With JobRad, lease the bike of your choice and enjoy tax savings, plus Raisin covers your monthly insurance costs. * Hungry all the time? Snacks, daily fresh fruit as well as drinks provided at the office. Raisin Applicant Privacy Policy [https://www.raisin.com/corporate/raisin-applicant-privacy-policy/] We value diversity and the unique experiences each individual brings. If you’re excited about this role but don’t meet every requirement, we still encourage you to apply. We are an equal opportunity employer and are committed to creating an inclusive environment for everyone, regardless of race, colour, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, or gender identity.