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Full Time

Senior Software Developer (Remote)/ 17 hours ago

onOffice GmbH
Attractive
Application ends: 2026-02-19

Quick Summary

Seeking a (Senior) Software Developer for a full-time, 100% remote position (or Aachen, Germany) requiring 5–6 years of professional web development experience. The role focuses on complex backend feature development in PHP, modern frontend work using TypeScript, Vue.js, and GraphQL, and driving CI/CD implementation and test automation (PHPUnit, Cypress). Candidates must have fluent German (C1+) and good English skills, and will take technical responsibility, including architecture decisions and code reviews. Benefits include flexitime and 29 vacation days plus two free holidays.

(Senior) Software Developer - PHP, Vue.js, CI/CD (100% Remote/Aachen)

Department: Software Development & Operation
Employment Type: Full-time
Location: Remote, Aachen
Remote Work: 100% Home office possible

As a (Senior) Software Developer, you take responsibility for demanding software projects, spanning architecture, implementation, and optimizing existing modules. Bring your expertise in modern technologies to deliver stable, performant, and maintainable solutions, support teams, and continuously advance the technological standard.

Your Tasks

  • Independent development of complex backend features in PHP, as well as modern frontend technologies like TypeScript, Vue.js, or GraphQL.
  • Analysis, optimization, and refactoring of code to improve efficiency, maintainability, and scalability.
  • Implementation and further development of automated tests (PHPUnit, Vitest, Cypress) and active participation in shaping the CI/CD pipeline.
  • Taking technical responsibility in projects, including architecture decisions, code reviews, and technical mentoring.
  • Close collaboration within the team, active participation in retrospectives, planning meetings, and technical solution strategies.
  • Implementation of sustainable and practical solutions for complex technical challenges.

Your Profile

  • Minimum 5–6 years of professional experience in web development, very good knowledge of PHP, JavaScript, and modern frontend technologies.
  • Degree or training in MINT (STEM) field or comparable IT expertise.
  • Experience with version management (Git), test automation, CI/CD, and best practices in software architecture.
  • Analytical thinking, independent working style, and high level of personal responsibility.
  • Ideally, initial experience in technical or professional leadership or mentoring.
  • Fluent German skills (C1+) and good English skills.

Your Benefits

Job Quality

Code quality is the top priority. We work according to Kanban, use Pair-Programming and automated tests – and offer plenty of room for your own ideas.

Attractiv Salary

Your experience and performance pay off, market-driven and with development prospects!

Onboarding

With an individual onboarding concept and your personal mentor, you will immediately become part of our team.

Work-Life-Balance

Flexitime, 29 vacation days plus free on Christmas Eve and New Year's Eve, Home-Office, and Shared-Desk for flexible and family-friendly working hours.

Perspectives

Clear career paths with a transparent job-level matrix, plus Skill Management, Conventions, Events, and E-Learning tools like Vue-Mastery.

Collaboration

As an interdisciplinary team of experienced developers, you jointly determine the priorities – and implement them independently.

Team Culture

Look forward to many experiences: Team events, our team trip, or spending time together after work.

Extras

Pension provision and attractive Corporate Benefits – plus fit and active with sports events, company fitness, Urban Sports Club, and bike leasing.

Who is behind the code

Our developers show you how we develop, think, and collaborate.

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onOffice GmbH

onOffice GmbH

  • Address
    Aachen, Nordrhein-Westfalen
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