Senior Software Engineer – PHP, TypeScript, Node.js
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Job Description
Senior Software Engineer building PHP, TypeScript, and Node.js systems for easybill’s cloud invoicing platform. Developing scalable features, APIs, microservices, and e-invoicing workflows.
Responsibilities:
- Develop new features and solve scalability challenges
- Take ownership of complete projects—from initial concept through reliable production operation
- Develop backend features with PHP 8.x and Symfony, including domain logic, APIs, and integrations
- Work on the frontend with TypeScript, React, and TanStack to build modern interfaces and product-oriented workflows
- Develop Node.js services with TypeScript and Next.js
- Work on JVM microservices using Java and Kotlin in the e-invoicing domain
- Migrate data, refactor existing modules, and gradually modernize established PHP components
- Analyze issues and debug applications
- Make extensive use of Claude Code as a productivity tool
- Contribute to infrastructure and local Dockerized development environments
- Actively help shape the e-invoicing landscape
Requirements:
- Extensive, self-directed senior-level experience in software development with PHP and Symfony
- Strong skills in domain design, testing, and performance optimization within a large, long-lived codebase
- Depending on your area of focus, additional experience with TypeScript and React
- Proficiency with relational databases such as MySQL, including query optimization and data modeling for large volumes of data
- Independent, motivated, and self-organized approach to work
- Ability to make sound technical decisions and quickly familiarize yourself with new systems
- Fluency in German and good English skills
- Bonus: Experience with Node.js, data structures and algorithms, distributed systems, and data-intensive applications
- Bonus: Experience with JVM languages such as Java or Kotlin
- Bonus: Open-source contributions or public experiments on GitHub
Benefits:
- Remote-first team across Germany—no location-based requirements
- Workation in Mallorca—use of our rented villa for a combination of work and relaxation
- Inspiring and flexible work environment based on trust and personal responsibility
- Open, motivated team with a flat hierarchy
- No sprints or artificially imposed pressure
- Fair compensation packages and opportunities for professional development
- 30 days of annual leave
- Permanent employment contract
- Flexible working hours coordinated with the team
- Optional employee events
- Up-to-date MacBook Pros
- Training and professional development opportunities worth up to €1,500 per year
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