Senior Software Engineer – PHP, TypeScript, Node.js

easybill GmbH

Senior Software Engineer responsible for backend and frontend development using PHP and TypeScript. Building scalable features and optimizing projects in a remote-first environment.

Posted 7/3/2026full-timeRemote • 🇩🇪 GermanySeniorWebsite

Tech Stack

Tools & technologies

JavaJavaScriptKotlinMicroservicesMySQLNext.jsNode.jsPHPReactSymfonyTypeScript

About the role

Key responsibilities & impact

As part of the team you build new features
Solve scaling problems and take responsibility for entire projects — from the idea to reliable operation
We are looking for people who do more than just work through tickets: who understand systems, improve them, and actively help shape the e-invoicing landscape
You develop backend features with PHP 8.x and Symfony: domain logic, APIs and interfaces in a data-heavy codebase that has evolved over 18+ years
You work on the frontend with TypeScript, React and TanStack on modern UIs and production-focused workflows
You develop Node.js services for selected areas of our platform using TypeScript and Next.js
You work on JVM microservices with Java and Kotlin in the e-invoicing domain
You migrate data, refactor existing modules and modernize legacy PHP areas step by step in a clean way
You delve deep into error analysis and debugging when systems don’t behave as expected
You use AI as a real productivity lever
Depending on the topic, you also work on infrastructure and local dockerized development environments

Requirements

What you’ll need

You bring deep PHP/Symfony experience
You are proficient in TypeScript
You are eager to take on responsibility like a founding engineer
Comfortable working with multiple programming languages is important for this role
You have deep, independent expertise in software development with PHP and Symfony at a senior level — with clean domain design, testing and performance experience in a large, long-lived codebase
Depending on focus, you also bring TypeScript/React experience
You are confident with relational databases such as MySQL, including query optimization and data modeling for large datasets
Bonus: Experience with Node.js, data structures & algorithms, distributed systems and data-heavy applications
Bonus: Experience with JVM languages such as Java or Kotlin
Bonus: Open-source contributions or public projects on GitHub
You speak fluent German and have good English skills

Benefits

Comp & perks

Remote-first team across Germany — no fixed office location
Workation in Mallorca — employees can use the rented villa in Mallorca for an inspiring combination of work and relaxation
High impact
An inspiring and flexible work environment based on trust and personal responsibility
We are an open, motivated and friendly team with a flat hierarchy
No sprints and no artificially created pressure
Fair compensation packages and development opportunities
30 days of annual leave and a permanent employment contract
Flexible working hours coordinated with the team
Optional company events
Current MacBook Pros
Training and development budget of up to €1,500 per year

ATS Keywords

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Hard Skills & Tools

PHPSymfonyTypeScriptReactNode.jsJavaKotlinMySQLNext.jsData Structures

Soft Skills

Problem SolvingResponsibility TakingCollaboration