Senior Full Stack Engineer (f/m/d)

Ruby Berlin HR Consulting; Deutschland; Hybrid; EUR 60.000 - 80.000; Vollzeit

Zusammenfassung

A boutique recruitment agency is seeking a Senior Full Stack Engineer to join a growing B2B SaaS company in Berlin/Hamburg. The role involves building high-quality frontend and scalable backend services for an AI-powered platform. Candidates should have over 5 years of experience in web development, mastery of Angular and TypeScript, and familiarity with AI/ML technologies. This position supports a hybrid setup, allowing flexibility in work location.

Qualifikationen

• 5+ years of full stack experience in modern web development.
• Strong knowledge of Angular and TypeScript.
• Experience building LLM-based features or integrating AI/ML APIs.
• Hands-on experience with Postgres and MongoDB.
• Fluent English and intermediate German.

Aufgaben

• Build and maintain high-quality web applications using Angular and TypeScript.
• Develop scalable backend services and REST APIs (Nest).
• Design and implement LLM workflows, chatbot interfaces, and AI-driven features.
• Collaborate closely with product, engineering, and UX/UI teams.
• Support DevOps practices and cloud-based deployments.

Kenntnisse

Full stack experience

Angular

TypeScript

Nest

AI/ML APIs

SQL

Postgres

MongoDB

CI/CD

Agile/Scrum

Problem solving

Jobbeschreibung

About Us

We are a boutique recruitment agency supporting fast‑growing tech companies. Currently we are supporting our partner, a fast‑growing B2B SaaS company (Berlin/Hamburg) in the automotive aftermarket space, a market that’s been growing fast and is all about helping independent workshops succeed. We are looking for a Senior Full Stack Engineer who can build high‑quality frontend interfaces and scalable backend services, while contributing to our AI‑powered platform. You will work across the stack, Angular, Nest, LLM workflows, semantic search, and data‑driven features, in a fast, product‑focused environment.

Responsibilities

• Build and maintain high‑quality web applications using Angular and TypeScript
• Develop scalable backend services and REST APIs (Nest)
• Design and implement LLM workflows, chatbot interfaces, and AI-driven features
• Implement full‑text, semantic, and hybrid search pipelines
• Work with embeddings, vector search, and structured/unstructured data
• Integrate external APIs and third‑party systems
• Ensure top‑tier code quality, performance, and documentation
• Break down complex problems into simple, scalable technical solutions
• Collaborate closely with product, engineering, and UX/UI teams
• Contribute to architecture decisions, sprint planning, and continuous improvement
• Support DevOps practices and cloud-based deployments
• Operate effectively in an Agile/Scrum environment with high ownership

Qualifications

• 5+ years of full stack experience in modern web development
• Strong knowledge of Angular and TypeScript
• Strong experience with Nest, JavaScript/TypeScript and SQL
• Experience building LLM-based features or integrating AI/ML APIs
• Strong understanding of embeddings and semantic search
• Hands‑on experience with Postgres and MongoDB
• Familiarity with DevOps, CI/CD, and cloud platformsExperience working with large, complex datasets
• Excellent problem‑solving and communication skills
• Fluent English and intermediate German
• Hybrid set up: Based either in Berlin or Hamburg