Principal Engineer Seller Experience (m/f/d)

Ratepay • Berlin

Full-time

Berlin

from today

Your Mission

As a Principal Software Engineer, you will be responsible for leading the design and implementation of the domain architecture for Seller Experience. This is one of Ratepay's four core domains and you will be responsible for the seamless commercial & technical integration and fast onboarding of sellers, such as merchants, marketplaces or resellers. You will play a critical role in shaping the technical direction of the company and ensuring that our systems are scalable, reliable, and easy to maintain. Additionally, you will be responsible for fostering cross-domain collaboration and alignment to ensure that our systems are fully integrated and able to meet the needs of our customers.

Key Responsibilities:

Lead the design and implementation of the domain architecture for our software systems
Ensure that our systems are scalable, reliable, and easy to maintain
Foster cross-domain collaboration and alignment to ensure that our systems are fully integrated
Make technical decisions and provide guidance to the development team
Work with the business stakeholders and other members of the development team to understand the requirements and make technical decisions that align with the overall architecture and strategy.
Work with the tech teams to ensure that the applications are optimized for the cloud.
Extend existing APIs to improve functionality and performance.
Stay up to date with the latest technologies and trends in the industry and bring new ideas to the team.

Your Profile

Bachelor's degree in Computer Science or related field
10+ years of experience in software development, with a focus on Java or Kotlin.
Strong experience with domain-driven design and architecture
Strong understanding of Java, Kotlin, Spring, and related technologies
Experience with Fintech
Experience with AWS
Experience integrating applications with Salesforce
Experience with microservices architecture and restful API’s
Experience designing and building customer- and merchant-facing APIs and SDKs.
Experience building and maintaining comprehensive documentation to support merchant integrations.

If you are a passionate and experienced Staff / Principal Engineer who is eager to take on a leadership role and shape the technical direction of the company, we encourage you to apply for this exciting opportunity today.

Equal Opportunities & Diversity

We value our diversity and welcome everyone to our team. Regardless of ethnic and social background, religious views, worldview, gender, sexual orientation, physical and mental limitations, age, marital status, educational background and nationality. With over 200 employees and 40 different nationalities we take our values seriously. These include; ownership, growth, integrity, collaboration, customer centricity and inclusion.

The sweet spot! Let’s talk perks.

We're more than just a workplace – we're a vibrant community of innovators, collaborators, and visionaries who love what we do and reward those who work with us. Here, your career isn't just a job. It's an opportunity to thrive, learn, and make a difference. Take a look at these great personalised benefits of working at Ratepay On a monthly basis, you can choose between mobility, fitness, food, training and much more.

Flexible working hours

Work remotely (Up to 8 weeks a year)

28 vacation days per annum (+ 24th & 31st December free)

Financial security including Pension plan

Medical extras (Eye examination etc.)

Monthly lunches as well as Beets & Roots discounts

Learning and development (Access to various self-development platforms such as language learning and skills enhancement)

Community connect. We take certain days off to give back to the community as a unit. (Animal shelters, homeless aids, and various charities)

Health & wellbeing

Gym memberships and fitness

Ratepaw community: Our office has a floor which is dog-friendly. So, bring your pawsome pet to work when needed.

Our Recruitment Process

Step 1: Intro Call with a Senior Talent Partner

The first call with our recruiter is meant to be an introduction to ratepay, our culture and recruitment process.

We want to get to know you better, understand who you are beyond your CV and find out what excites you.

Step 2: Meet your future Manager

This step is designed to get to know your future manager and the role better.

During this conversation we will dive deeper into your experience and share more about the team you would work with and share expectations from both sides.

Step 3: Team interview & skill assessment

This step looks slightly different in different business areas but is to assess technical and culture add.

It usually consists of a role-specific case study or technical assessment as well as assessing values alignment with some senior members of the team you would be joining.

Step 4: Coffee chat (optional)

This step doesn't occur in every process, it depends on the role.

The coffee chat would generally take place with either a senior stakeholder from the business area you are joining such as a C-level leader or Head of department, or in some cases with a Senior HRBP.

Ready to shape the future of digital payments? Join our team

Apply now!

Want to learn more about other opportunities at ratepay? Explore our other departments:

Commercial Customer Service Data & Analytics Finance & Controlling Legal, Compliance, IT Security Marketing & Communications People & Organisation Product Risk Management Strategy & Special Projects Working students, Interns Initiative application