Senior Full Stack Software Engineer (f/m/d) - React, Node.js at Bertelsmann-Jobs | DE | Rezi

Senior Full Stack Software Engineer (f/m/d) - React, Node.js at Bertelsmann-Jobs

Senior Full Stack Software Engineer (f/m/d) - React, Node.js

Bertelsmann-Jobs · DE

Yesterday

Senior Full Stack Software Engineer (f/m/d) - React, Node.js

Bertelsmann-Jobs · DE

2 days ago
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About the Role

Join our UI Engineering team and take ownership of full-stack projects powering our adtech ecosystem. This role involves collaboration, technical ownership, and making a significant impact.

Responsibilities

  • Build and maintain modern React frontends and Node.js APIs with TypeScript.
  • Design and implement REST or GraphQL APIs that scale efficiently.
  • Collaborate with backend engineers, designers, and product owners to translate requirements into elegant solutions.
  • Write clean, maintainable, and well-tested code with automated tests.
  • Contribute to architecture decisions and best practices.

Requirements

  • 5+ years of hands-on experience in full-stack JavaScript development.
  • Deep knowledge of Node.js (framework e.g. Koa, Express or Fastify), TypeScript, React and modern web architectures.
  • Solid understanding of relational databases (e.g. MySQL, MariaDB, PostgreSQL or SQL Server), including database design, SQL querying, and REST API development (GraphQL is a plus).
  • Strong sense of code quality with mandatory hands-on experience in testing, including frameworks such as e. g. Jest, Vitest, or Node’s built-in testing framework.
  • A portfolio, side project, or demo repo demonstrating production-ready work is valued over a CV.

Skills

  • Full-stack JavaScript
  • Node.js
  • TypeScript
  • React
  • REST API development
  • GraphQL
  • Relational databases
  • Database design
  • SQL querying
  • Testing frameworks (Jest, Vitest, Node's built-in)
  • AWS
  • Jenkins
  • Grafana
  • Graylog
  • Confluence
  • Jira
  • Shell scripting

Location

  • Remote
  • Berlin

Work Type

  • Remote
  • On-site

Experience Level

  • 5+ years

Benefits

  • Ownership over tickets
  • 30 days of vacation
  • Dec 24 & 31 off
  • Smart Fridays
  • 4 days week possible
  • Mobility (Germany ticket & JobRad)
  • Sports & health offerings
  • Mental health support
  • Corporate benefits
  • RTL+ access

About the Company

  • We work remote by default – focused, efficient, and with full ownership.
  • We use AI to accelerate – not to replace thinking.
  • We design the system, steer the output, and take responsibility for what we ship.
  • Fast where it makes sense. Careful where it matters.

Equal Opportunity

  • smartclip is committed to creating a diverse and inclusive environment. All qualified applicants will receive consideration for employment without regard to race, ethnicity, nationality, age, gender, gender identity, religion, sexual orientation, disability, or any other diverse characteristics.