Senior Fullstack Engineer - Inventory Engineering Team

Castle Tech GmbH; Berlin; Vor Ort; EUR 60.000 - 80.000; Vollzeit

Zusammenfassung

A dynamic tech startup in Berlin is looking for a Fullstack Engineer to develop innovative solutions for the automotive market. You will build and optimize web applications using Angular for frontend and Node.js for backend. Ideal candidates have over 5 years of experience, strong communication skills, and a passion for mentorship. This role offers a collaborative environment with opportunities for professional growth and impact.

Leistungen

Professional development

Choice of hardware

Inclusive team culture

Qualifikationen

• 5+ years of software engineering experience in fullstack development.
• Strong knowledge of Angular, TypeScript, and state management.
• Proficiency with Node.js, NestJS, and PostgreSQL.

Aufgaben

• Build, maintain, and optimize both frontend and backend components.
• Take ownership of feature design and ensure scalability.
• Guide less experienced engineers and promote best practices.

Kenntnisse

Fullstack development

Angular

Node.js

Mentorship

CI/CD Knowledge

Agile methodologies

English communication

Tools

PostgreSQL

Git

Docker

JIRA

Confluence

Jobbeschreibung

Overview

Fullstack Engineer (Angular + Node.js)

CarOnSale 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.

We are looking for a Fullstack Engineer to join our Inventory team in Berlin. This role focuses on building and optimising robust, scalable web applications that drive user engagement and product growth. You’ll work across the stack, with a strong focus on Angular (frontend) and Node.js / NestJS (backend), shaping our platform and collaborating closely with designers, product managers, and other engineers.

Your Tasks

• End-to-End Development: Build, maintain, and optimise both frontend (Angular) and backend (Node.js, NestJS, PostgreSQL) components of our platform.
• Architecture & Feature Development: Take ownership of feature design and implementation, ensuring scalability and performance across the fullstack.
• Mentor and Develop Team Members: Guide less experienced engineers, sharing expertise in fullstack development and promoting best practices.
• Define Standards: Work with cross-functional teams to define coding standards, ensure code quality, and establish efficient CI/CD pipelines.
• Collaborate Across Teams: Partner with design, product, and backend specialists to create seamless user experiences and smooth data flows.
• Challenge & Innovate: Actively contribute ideas, challenge concepts, and influence fullstack development strategies, including frontend performance optimization.

Your Profile

• 5+ Years of Software Engineering Experience: Extensive experience in fullstack development, building scalable, high-performance web applications.
• Frontend Expertise: Strong knowledge of Angular (TypeScript, RxJS, NgRx or similar state management).
• Backend Expertise: Proficiency with TypeScript, Node.js, NestJS, and PostgreSQL.
• Mentorship Skills: Experience coaching and mentoring other engineers, fostering knowledge-sharing and best practices.
• SCM and CI/CD Knowledge: Skilled in Git, Docker, and CI/CD pipelines.
• Agile Experience: Familiar with Scrum or Kanban frameworks, using tools like JIRA and Confluence.
• Communication Skills: Excellent English communication skills for cross-team collaboration.
• Autonomous and Growth-Oriented: Ability to work independently and ambition to grow into senior, architectural, or leadership roles.

Nice to Have

• Conversational German skills
• Experience in the Automotive industry

Why COS?

• Impactful Role: Be part of shaping the future of Europe’s automotive market through innovative digital solutions.
• Professional Development: Detailed onboarding, feedback cycles, and coaching to support your growth.
• Choose Your Gear: Work with the hardware and tools you prefer—MacBook or Windows laptop.
• COS Culture: Join a motivated, diverse, and inclusive team with ambitious goals, fun events, and a unique team spirit.

If you’re excited about making an impact with cutting-edge fullstack technologies and building solutions that drive engagement and growth, we’d love to meet you!