(Senior) Software Engineer (gn) PHP & Payments

Please note: You can work from our office in Berlin or completely remotely within Germany.

The position can be filled on an 80-100% basis.

As (Senior) Software Engineer (f/d/m) you’ll build and maintain an efficient, secure payment platform, integrating providers like PayPal or Stripe and ensuring reliable real-time transactions.

You’ll ship clean code, translate business requirements into technical solutions, and mentor team members while sharing your knowledge. This way you will play a key role in shaping our payment infrastructure and the future of the company as a whole.

1. Engineer robust payment platforms with consistent performance for high concurrency and real-time transaction volumes
2. Ship code in an efficient manner by following common best coding practices like SOLID, KISS, TDD and/or BDD
3. Maintain existing Payment Service Providers to make sure our current payment infrastructure is functioning reliably with no disruptions. This includes monitoring and On-Call duty (additionally compensated)
4. Provide technical research, estimates, and translate business needs into technical tasks to support product prioritization and delivery
5. Equip dependent teams with necessary knowledge and mentor junior team members on payment topics
6. Incorporate secure design principles into routine engineering
7. Create and maintain internal and external documentation
8. Maintain and improve deployment pipelines, monitoring systems, and incident response workflows to support high availability and performance in production environments

1. Proficiency in the ecosystem of PHP and Symfony (or similar PHP frameworks)
2. Experience with integrating payment service providers (e.g., PayPal, Stripe, etc.)
3. Knowledge of RESTful APIs and event-driven microservices (designing, reasoning and troubleshooting)
4. Striving for simplicity and when it’s not possible, keeping an eye on the devil in the details
5. Gathering and translating high-level requirements into technical specifications
6. Fluency in unit and functional testing as well as code reviews, git workflows and continuous delivery approach
7. Fluent written and verbal English (at least C1)
8. You’re a true team player! You see yourself as part of something bigger and support your team members wherever needed

We value diversity and therefore welcome all applications - regardless of gender, nationality, ethnic and social background, religion/belief, disability and age.

1. A future-oriented job in a meaningful environment with an international team
2. Enjoy flexibility around your working time and place: We offer flexible work schedules with annual working time as well as temporary working abroad options all in a remote first setup
3. 5 weeks paid annual leave plus additional PTO days per year with RaiseNow + your birthday as PTO
4. We know that time is precious: We’re part of the pledge 1% initiative, offer sabbatical options and yearly educational leave for everyone
5. Your health is important: our partner Instahelp gives you free access to psychological counselling when you're not feeling well
6. The perks of joining a scaleup: short decision paths, transparent communication and regular team events + one workation per year to meet all colleagues in one spot
7. An innovative working environment with a culture of transparency, trust, and mutual respect
8. Project autonomy and space for personal development from the beginning