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.

As (Senior) Software Engineer (f/d/m) PHP & Payments you…

• Engineer robust payment platforms with consistent performance for high concurrency and real-time transaction volumes


• Ship code in an efficient manner by following common best coding practices like SOLID, KISS, TDD and/or BDD


• 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)


• Provide technical research, estimates, and translate business needs into technical tasks to support product prioritization and delivery


• Equip dependent teams with necessary knowledge and mentor junior team members on payment topics


• Incorporate secure design principles into routine engineering


• Create and maintain internal and external documentation


• Maintain and improve deployment pipelines, monitoring systems, and incident response workflows to support high availability and performance in production environments

• Proficiency in the ecosystem of PHP and Symfony (or similar PHP frameworks)


• Experience with integrating payment service providers (e.g., PayPal, Stripe, etc.)


• Knowledge of RESTful APIs and event-driven microservices (designing, reasoning and troubleshooting)


• Striving for simplicity and when it’s not possible, keeping an eye on the devil in the details


• Gathering and translating high-level requirements into technical specifications


• Fluency in unit and functional testing as well as code reviews, git workflows and continuous delivery approach


• Fluent written and verbal English (at least C1)


• You’re a true team player! You see yourself as part of something bigger and support your team members wherever needed

• PHP 7.4+, Symfony 4+


• MySQL, RabbitMQ, ELK stack


• AWS Fargate


• Select serverless AWS services (Lambda, S3, SQS, SNS, DynamoDB…)


• React, Redux, TypeScript, Cypress, Jest, Ant Design

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

• A future-oriented job in a meaningful environment with an international team


• 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


• 5 weeks paid annual leave plus additional PTO days per year with RaiseNow + your birthday as PTO


• We know that time is precious: We’re part of the pledge 1% initiative, offer sabbatical options and yearly educational leave for everyone


• Your health is important: our partner Instahelp gives you free access to psychological counselling when you're not feeling well


• 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


• An innovative working environment with a culture of transparency, trust, and mutual respect


• Project autonomy and space for personal development from the beginning