Job
- Level
- Junior
- Location
- Bochum
- Working Model
- Onsite
- Job Field
- Web, Full Stack
- Employment Type
- Full Time
- Contract Type
- Permanent employment
Job Summary
In this role, you develop end-to-end features using Next.js and Tailwind, work on backend systems with Supabase, and implement monitoring logic for digital marketing campaigns.
Job Technologies
Your role in the team
- You build features end-to-end: Next.js (React, App Router) and Tailwind v4 in the frontend, Server Actions, Route Handler, and Supabase (Postgres, Auth, Realtime) in the backend.
- You are working on the agent runner: system prompts, tools, model selection, and sandbox execution.
- You write tests for policy, security, and prompt logic.
- You integrate external APIs and keep them stable.
- You are responsible for data modeling, migrations, and tenant separation (Row Level Security) in Supabase.
- You are developing tracking and analytics logic.
- With us, you will support clients from onboarding through ongoing management of their digital marketing campaigns, working closely with both clients and our team.
- You work on automations, API integrations, and agentic AI workflows that handle repetitive tasks and connect our systems.
- As you gain more experience, you will also independently implement new features for our Marketing Console.
- This also includes regular testing and quality assurance cycles, fixing bugs, and continuous improvement of the app based on customer feedback.
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Our expectations of you
Qualifications
- You are familiar with relational databases, ideally Postgres/Supabase, and have experience working with authentication, permissions, or multi-tenant architectures.
- You have already worked with LLM APIs (e.g., Anthropic, OpenAI).
- You think security with: validating inputs, managing secrets properly, treating external data as data, not as instructions.
- You have a good sense for UI/UX.
- You prefer working in the office rather than from home.
- You speak German at C2 level.
Experience
- You have basic knowledge of TypeScript and practical experience with Next.js or a comparable React framework.
- You have gained at least 1 year of professional experience as a Full Stack Developer.
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What we offer
- You will have access to all online courses by Dirk Kreuter and can attend his seminars live.
- There are also internal workshops.
- With Hansefit, this is exactly possible! With over 6,000 partner locations, you can train somewhere different every day and diversify your sports activities.
- And that for only €15 a month.
- With Corporate Benefits, you receive discounts from over 800 top brand providers.
- With us, you will receive the best technical equipment in a modern office building, the Exzenterhaus, so you can hit the ground running from day one.
- From your desk, you also enjoy an incredible view of the Ruhr area.
- After one year of employment, you will receive an above-average employer contribution from us.
- With our book flat rate, you'll never run out and will always receive a fresh supply.
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Topics You Will Work On
Job Locations
About Your Employer
BV Bestseller Verlag GmbH
BV Bestseller Verlag GmbH, based in Bochum, offers comprehensive publishing services as well as seminars and lectures. The company is recognized as a leader in open sales seminars in Europe.
Description
- Company Type
- Established Company
- Working Model
- Onsite
- Industry
- Media, Publishing
Junior Full Stack Developer
- Location
- Bochum
- Working Model
- Onsite
- Diversity
- Open for all genders
