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Backend Developer (m/f/d)

instaff-jobs

Berlin, GermanyPosted 2 days agoFull-time

Job details

Company

instaff-jobs

Location

Berlin, Germany

Employment type

Full-time

Seniority

Mid level

Primary category

Backend Development

Posted date

4 May 2026

Valid through

Job description

These are your tasks

  • Develop and improve backend functionality related to marketing tasks, website features, and platform support.

  • Work closely with the development team and marketing team to understand requirements and implement practical solutions.

  • Take part in code reviews and follow agreed coding standards and best practices.

  • Test your code carefully to keep releases stable and easy to maintain.

  • Join technical discussions when needed.

  • Investigate and fix issues reported by product managers, marketing team members, or customers.


Technologies we work with:
  • Backend development in PHP following a microservice architecture

  • Frontend development using Vue.js

  • Queue management through RabbitMQ

  • Database systems represented by Redis and MariaDB

  • Container orchestration with Kubernetes and CI/CD using GitLab

  • Infrastructure provisioning via Helm

  • Tools SonarQube/Elasticsearch/Kibana/Logstash

What you bring

  • Around 2–3 years of experience in PHP backend development.

  • Ability to read, understand and maintain existing code effectively.

  • Basic to good knowledge of relational database management systems (RDBMS).

  • Understanding of SOLID principles and familiarity with MVP/MVPi architectures.

  • Working knowledge of algorithms and data structures.

  • Fully fluent English proficiency is mandatory; German language skills are a strong advantage.

  • Intermediate experience with frontend technologies (HTML, JavaScript and CSS) is desirable. 

  • Good problem-solving abilities and attention to detail.

  • Strong communication and collaboration skills, with an emphasis on clear expression of ideas.

  • Basic understanding of CI/CD principles, GitLab pipelines and Docker containers.

What we offer

  • Performance-related pay with direct participation in the success of your work
  • 30 days vacation per year
  • A bright, spacious office in the heart of Berlin (near Moritzplatz)
  • A home office arrangement with flexible days (home or office) 
  • A current MacBook Pro and modern equipment (incl. external monitor, keyboard, laptop stand, etc.) - for home office AND office
  • An additional EUR 500 budget to set up your home office so that you can work productively
  • Free lunch twice a week and fresh fruit in the office for the whole team
  • Professional guidance, insights and training in the various topics and tasks as well as in the internal processes of our company
  • Working a fast-growing B2B online company in the heart of Berlin
  • Short official channels, quick decisions and a lot of responsibility
  • A very focused company with high customer and employee satisfaction
  • A relaxed, yet challenging and supportive working atmosphere

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