Lead Software Engineer (Kotlin)- Buyer Experience (f/m/d)

Your mission

Here's What You'll Be Doing
Together we work on next-generation solutions for major online retailers and marketplaces, thereby developing the digital payment solutions of tomorrow's online world.
As a Lead Software Engineer (m/f/d) at Ratepay, you will make a significant contribution to our shared mission of building and developing secure and simple payment solutions for the online retail market, which still continues to grow.
Your tasks at Ratepay, among others:

• Lead the development, operation, and continuous improvement of scalable software systems.
• Integrate internal and external APIs in a microservices architecture, ensuring system interoperability.
• Actively participate in the agile development process, collaborating with cross-functional teams to deliver features.
• Support and groom the entire engineering team, fostering growth, knowledge sharing, and collaboration through methods like pair programming and code reviews.
• Ensure adherence to best practices in software development to maintain high code quality.
• Collaborate with the team and the Principal Engineer to make key technical decisions.
• Ensure alignment between business objectives and technical implementation.

That's what you bring along

• At least 10 years of professional working experience in JVM based backend development.
• Hands-on expertise in Software Engineering using Kotlin, Spring/SpringBoot, Git, Maven, Docker, Jenkins and solid experience with cloud technologies (AWS).
• Experience in leading and driving initiatives and projects.
• Very good conceptual knowledge about RESTful APIs, microservices, event-driven architecture (Apache Kafka), OAuth (Auth0) and Contract Testing via PACT.
• Experience in a customer facing full-stack environment and understanding of front-end technologies is a plus.
• Involvement in every step of the software lifecycle and internalisation of the DevOps approach ("you build it, you run it").
• Self-organised work as well as collaboration within the team and with other teams at Ratepay to deliver high value to our stakeholders and merchants.
• Very good English language skills.

That's how working with us will be

Stability & Innovation: Become part of a dynamic fintech company that is transforming the financial industry through innovation and technology.

• Work with a diverse and talented team committed to pushing boundaries and setting new standards.
• We are part of the NEXI Group - one of the biggest financial groups in Europe.

Culture & Social: Work with a diverse and talented team (we have 40+ nationalities!) committed to pushing boundaries and setting new standards.

• Collaborate at our brand-new office in the heart of Berlin: enjoy BBQs on our rooftop terrace and connect with colleagues over freshly brewed coffee from our barista coffee machine.
• Experience regular company and team events: monthly free lunch, summer party, all-hands meetings, guest speakers, conferences & events.
• Community Connect – get involved in one of our social projects, as part of our sustainability initiative.

Growth: Unlock endless opportunities for professional development and advancement as you drive fintech excellence.

• Buddy Program for language learning: improve your English or German through tandem sessions with your colleagues.
• Access to learning platforms, and if included in your P&D goals, you can attend additional training sessions.
• Personal Development Plans - your career progression is taken seriously with us.

Flexibility: We offer flexible working hours and hybrid working options to balance work and family life.

• Recharge your batteries by enjoying 28 days of vacation every year.
• Become a digital nomad: Work with Ratepay from any EU country for up to 1 month per year.
• Ratepaw Community: Our office has a floor which is dog-friendly. So, bring your pawsome pet to work when needed.

Rewards: Enjoy a competitive salary and benefits package that reflects your expertise and contributions.

• Generous private pension scheme- Ratepay match 100% of your contribution up to 50 Euros per month.
• Flexible benefits - You have a monthly budget of 30 euros to choose between several benefits, for example, public transport subscription, grocery stores voucher, sports clubs, and many others.

Extra Benefits: We provide home office equipment, including screens and keyboards, to ensure you have the right setup when working from home.

• Access to a corporate benefits platform where employees can get great discounts and offers for a range of online shops and activities.
• Take part with your colleagues in company sponsored sport events or attend one of our employee organized fitness sessions.

Equal Opportunities & Diversity

We value our diversity and welcome everyone to our team. Regardless of ethnic and social background, religious beliefs, worldview, gender, sexual orientation, physical and mental limitations, age, marital status, educational background and nationality.
With over 250 employees and 40 different nationalities, we take our values seriously. These include; ownership, growth, integrity, collaboration, customer centricity and inclusion (4/7 of our C-Level Board members are female).

About us

We dare to design the future of payments. Ratepay is energy and diversity and: custom-made state-of-the-art payment solutions. Established in 2009 we were a fintech before the word fintech even existed. Today we are the number one white-label Buy Now Pay Later payments provider in Europe handling over 2.5M transactions per month and we’re constantly growing.

We are where we are because we work together as one team. Because we got the freedom to execute ideas. And above everything: because we never stop improving. Here it is all about shared goals not about the big ego. We are dedicated pros (more than 250 of them) not cons. We embrace being courageous, committed and decisive, warm-hearted and having a will to win.

We have our origin in the heart of the payment scene and cover the whole value chain from integration support to the dunning process with a core of AI-based risk management. With us, you can integrate direct debit, instalments and prepayment. In other words: the favourite payment methods in Germany, Austria and Switzerland (the Dutch like it too). Located in the middle of Europe’s fintech metropolis (Berlin) we are proud to work with major partners such as Eurowings, Ebay and About You and hundreds more.