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BObonial

Senior Backend Engineer - Node.js(m/w/x)

Berlin
Full-time, Part-timeWith Home OfficeSenior
AI/ML

At digital advertising partner for offline businesses, owning backend services for high-traffic, geo-located online applications. Autonomy in operations and REST API design/implementation skills essential. Free mental health app access, office gym, Urban Sports Club subscription.

Requirements

  • End-to-end ownership of backend services
  • Autonomy in operations
  • Proactive technical challenge addressing
  • Active role in high-traffic, real-time, geo-located online application development
  • REST API design and implementation
  • AWS infrastructure usage
  • Backend service monitoring in production
  • Ensuring high performance, scalability, reliability
  • Technology exploration (AWS, PostgreSQL, ElasticSearch, Rest API)
  • System building with Agile methodologies (Scrum, Kanban)
  • Strong experience in backend (for frontend) application building
  • Strong Node.js experience
  • Experience in Spring Boot and Java 21+
  • Strong experience with AWS hosting and services
  • Experience with agentic tools (LLM agents, AI copilots, Claude Code)
  • Hands-on experience with inter-service communication, fault-tolerant distributed systems, distributed caching, microservice architectures
  • Proficiency with Docker and Kubernetes
  • Familiarity with CI/CD pipelines and cloud platforms (preferably AWS) (highly desirable)
  • Experience with PostgreSQL and Elasticsearch
  • Very good communication skills
  • Ability to express ideas
  • First experiences in agile software development team
  • Independent work
  • Responsibility
  • Accuracy
  • Reliability
  • Team player
  • Ambition
  • Bachelor's or master's degree in computer science or similar qualifications
  • Eagerness to learn new technologies
  • Interest in cloud architecture

Tasks

  • Collaborate with product and front-end engineers
  • Deliver high-quality features to users
  • Ensure expected component performance
  • Ensure adherence to scalability, maintainability, and security standards
  • Own backend services end-to-end
  • Operate backend services autonomously
  • Proactively address technical challenges
  • Develop high-traffic, real-time, geo-located online applications
  • Design and implement REST APIs on AWS infrastructure
  • Utilize AWS services for new components
  • Monitor production backend services for performance, scalability, and reliability
  • Explore technologies like AWS, PostgreSQL, and ElasticSearch
  • Build systems using Agile methodologies like Scrum and Kanban

Work Experience

  • approx. 4 - 6 years

Education

  • Bachelor's degreeOR
  • Master's degree

Languages

  • EnglishBusiness Fluent

Tools & Technologies

  • REST APIs
  • AWS
  • PostgreSQL
  • ElasticSearch
  • Scrum
  • Kanban
  • Node.js
  • Spring Boot
  • Java 21+
  • LLM agents
  • AI copilots
  • Claude Code
  • Docker
  • Kubernetes
  • CI/CD pipelines

Benefits

Learning & Development

  • Professional development support

Informal Culture

  • Feedback culture

Mental Health Support

  • Free mental health app access

Healthcare & Fitness

  • Fully equipped office gym
  • Urban Sports Club subscription

Retirement Plans

  • Corporate pension scheme

Flexible Working

  • 20% mobile work

Workation & Sabbatical

  • Work from abroad option

More Vacation Days

  • Extra holiday day per year
  • Holiday for moving

Social Impact

  • Holiday for social project

Modern Office

  • Zen Rooms

Other Benefits

  • Roof terrace

Free or Subsidized Food

  • Free lunch
  • Free healthy breakfasts

Snacks & Drinks

  • Free hot and cold drinks
  • Free fruit
  • Free snacks

Team Events

  • Regular team events
Find the original job posting in its most current version here. Nejo automatically captured this job from the website of bonial and processed the information on Nejo with the help of AI for you. Despite careful analysis, some information may be incomplete or inaccurate. Please always verify all details in the original posting! Content and copyrights of the original posting belong to the advertising company.

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