Senior Backend Engineer - Inventory Engineering Team

<p><span><strong>CarOnSale</strong> is a start-up in the heart of Berlin. As a tech company, we have made it our mission to enable smooth digital processes in the automotive trade across Europe. Join us and develop new, innovative solutions for the B2B sector.</span></p> <p>We are looking for a <strong>Senior Backend Engineer</strong> to join our <strong>Inventory</strong> team in Berlin. This role focuses on Backend development, building and optimizing robust, scalable solutions that drive user engagement and product growth. You'll play a vital role in shaping our platform, optimising data flows, and contributing to team growth with the autonomy to influence development strategies and backend architecture.</p> <p><strong>Your Tasks:<br/><br/></strong>●  Mentor and Develop Team Members: Guide less experienced engineers, sharing your expertise in backend systems and promoting best practices.<br/>●  Define Requirements and Standards: Work with cross-functional teams to identify backend and product requirements, set development standards (e.g., code quality), and establish efficient CI/CD pipelines.<br/>●  Lead Backend Development: Take charge of technology selection, architecture design, and implementation of key features that support user engagement and scalability.<br/>●  Influence Development Approaches: Actively contribute ideas, challenge concepts, and influence backend development strategies, including optimization for data processing and performance.<br/>●  Support Team Collaboration: Facilitate team sessions, provide technical feedback, and help team members tackle complex backend challenges.</p> <p><strong>Your Profile:<br/><br/></strong>●  5+ Years of Software Engineering Experience: Extensive experience in backend development, focused on building scalable, high-performance applications.<br/>●  Backend Tech Stack Expertise: Native proficiency in TypeScript and strong experience with Node.js, NestJS, and PostgreSQL.<br/>●  Mentorship Experience: Proven ability to coach and mentor other engineers, promoting best practices and knowledge-sharing within the team.<br/>●  SCM and CI/CD Knowledge: Skilled in using tools such as Git, Docker, and CI pipelines to ensure development efficiency.<br/>●  Agile Experience: Familiar with Scrum or Kanban frameworks, using tools like JIRA and Confluence.<br/>●  Excellent Communication Skills: Able to communicate effectively in English, build strong relationships, and collaborate across teams.<br/>●  Autonomous and Growth-Oriented: Ability to work independently and eager to grow into managerial or architectural roles over time.</p> <p><strong>Nice to Have:<br/><br/></strong>●  Conversational German Skills<br/>●  Experience in the Automotive Industry <br/><br/><strong>Why COS?</strong><br/>●  Impactful Role in Engagement and Growth: From day one, you'll be integral to our mission to drive user engagement and help shape the future of Europe’s automotive market.<br/>●  Professional Development: We provide a detailed onboarding program, systematic feedback cycles, and individual coaching to support your growth.<br/>●  Choose Your Gear: Work with the tools you prefer—MacBook or Windows laptop, plus any necessary software.<br/>●  Join the COS Family: Be part of a motivated team with a unique spirit, ambitious goals, and plenty of fun team events.<br/>●  Diversity and Inclusion: We prioritise creating a diverse, inclusive environment where everyone feels comfortable and respected.<br/><br/>If you're excited about making an impact on engagement and growth with high-performance backend technologies, we’d love to meet you!</p>