Senior Software Engineer (f/m/d) | Payment Platform - remote possible

Permanent employee, Full or part-time · Berlin

Your mission

PLEASE NOTE: this position can be occupied in Berlin, Munich, Zurich or completely remote in Germany or Switzerland
Part-time scope: at least 80%

Job Description & Responsibilities

As Software Developer (f/m/d) in the payment team, you will join a small team of engineers to improve and extend our payment integrations and everything directly related. We aim to support several payment providers and methods worldwide, both mainstream and niche, and to offer our customers flexible and robust solutions, well beyond a standard e-commerce integration. Together with the team, you will be shaping and managing our payment services from design, to implementation, to deployment and operations. Become an active member of our team, let’s hone internal practices and overcome obstacles together.

In detail:

  • Drive forward our payment microservices and the system architecture, e.g. by making sensible choices from system design down to code design patterns
  • Integrate new payment providers and methods, with focus on maintainability, robustness and scalability
  • Collaborate with other teams to design complex solutions, like easy-to-build payment forms or integrations with the leading CRMs
  • Take part in monitoring the payment platform for performance, stability, and security
  • Ensure code quality by performing code reviews and coaching junior team members
  • Offer third-level customer support for the most complex issues
Your profile
  • Proficiency in any modern OOP language and web application framework
  • Knowledge of RESTful APIs and event-driven systems (designing and reasoning)
  • 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
  • Familiar with unit and functional testing as well as code reviews, git workflows and continuous delivery approach
  • Fluent written and verbal English (at least C2)

Nice to have

  • Experience in a SaaS company
  • Experience with integrating real-time and deferred payment methods
  • Experience with microservices and container orchestration systems
  • Experience with public API documentation and technical writing
  • Experience with TypeScript and React
  • Optional availability for opt-in, extra compensated on-call shifts

Our tech stack
  • PHP 7.4*, Symfony 4.4*
  • MySQL, RabbitMQ, ELK stack
  • Docker containers and DC/OS
  • Select serverless AWS services (Lambda, SQS, SNS, DynamoDB…)

*…Yes, we are about to upgrade!
What we have to offer
  • A future-oriented job in a meaningful environment
  • Feel free to work where and when it’s best for you. We offer:
    • flexible work schedules with annual working time 
    • regular home-office/mobile working
    • temporary working abroad options
    • 5 weeks paid annual leave plus additional PTO days per year with RaiseNow
    • Your birthday as PTO
  • 100% start-up atmosphere and regular team events + one workation week/year to meet all colleagues in one spot
  • An innovative working environment with a culture of transparency, trust, and mutual respect
  • We care about equal pay for equal work
  • Project autonomy and space for personal development from the beginning
  • A creative, dynamic, international and globally distributed team with flat hierarchies
  • After one year of employment, you can join our ESOP (employee stock options plan)
About us
We're RaiseNow, and we're passionate about making fundraising more efficient, user-friendly, and successful. Our technology is supporting organizations like Save the Children International, WWF, Amnesty, UNICEF, and many others.

At RaiseNow, our diverse and skillful team of engineers, fundraising experts, and movers and shakers in the nonprofit sector combine experience with cues from our community to build innovative solutions to solve real-world problems. This approach to product development will allow us to find more ways to enable people and organizations to do good in the world. We are committed to innovating and delivering top-notch tools and processes to raise the efficiency and success of organizations and movements, bringing about long-lasting impact. Join us on this exciting journey! 

Since your skills and qualifications are what count for us and your appearance does not play a role, we ask you not to send a photo with your application. 
We are excited to get to know you!
We are looking forward to your application. Please fill the following short form. If you have difficulties uploading your data, please contact us via email at

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