Senior Full Stack Software Engineer (f/m/d) – React, Node.js, TypeScript + AI
Bertelsmann · BE, DE
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About the Role
Build production-grade products at the intersection of AI, engineering, UX and product. Shape how products look and work, and how people will interact with them in the future.
Responsibilities
- Build real, production-ready applications with React, Next.js, TypeScript and Node.js – from the UI to APIs and services.
- Create new ways for people to interact with our products through AI-powered interfaces, conversational UIs and agent workflows.
- Use AI to work smarter and faster, experimenting, building and testing with AI.
- Understand the problem before jumping into code, getting curious about users, challenging assumptions and finding solutions.
- Make good technical decisions, build scalable architectures, work confidently across the stack and know when to keep things simple.
- Work closely with Product, UX/UI and Engineering to build software that works well, performs reliably and is easy to maintain.
Requirements
- Bring 5+ years of hands-on full-stack JavaScript experience and a proven track record of delivering production-ready applications.
- Strong experience with React, Next.js, TypeScript and Node.js and understand how modern web applications fit together.
- Hands-on experience building and integrating REST APIs, working with SQL databases and making sound decisions about data structures and database design.
- Consider architecture, performance, scalability and maintainability, spot edge cases and take testing seriously.
- Understand the problem you're solving, can explain your technical decisions and work independently to find the right solution.
Skills
- AI
- React
- Next.js
- TypeScript
- Node.js
- JavaScript
- REST APIs
- SQL databases
- Jest
- Vitest
- GraphQL (plus)
- AI-first interfaces (plus)
- Agent workflows (plus)
- Natural-language products (plus)
- AWS (bonus)
- Jenkins (bonus)
- Grafana (bonus)
- Graylog (bonus)
- Confluence (bonus)
- Jira (bonus)
- Shell scripting (bonus)
Location
- Remote-first
- Berlin (tech office)
Work Type
- Remote
- Hybrid (occasional workshops, team sessions, in-person collaboration)
Experience Level
- 5+ years of hands-on full-stack JavaScript experience
Benefits
- 30 days of annual leave
- December 24 and 31 off
- Smart Fridays with the option of a four-day workweek
- Deutschlandticket (public transport pass)
- JobRad bike leasing
- Sports and health benefits
- Mental health support
- Corporate discounts
- Access to RTL+
About the Company
- AI makes us faster. It doesn’t replace our human judgment. We challenge AI output, verify the results and own what we ship. We experiment fast, learn quickly and deliver with care.
- smartclip is committed to fostering a diverse and inclusive work environment.
Equal Opportunity
- All qualified applicants will be considered for employment regardless of ethnic origin, nationality, age, gender, gender identity, religion, sexual orientation, disability or any other personal characteristic.