Mid/Senior Backend Engineer (Node.js, TypeScript) (m/f/x)

Das ist der Job

Intro Become a part of our expansion plans as a Mid/Senior Backend Engineer (Node.js, TypeScript) (m/f/x) in Berlin!

Darum lohnt es sich

We’re seeking a talented backend engineer (m/f/x) to join our growing engineering team. We will welcome you into our team that enjoys facing new challenges every day. Driven by the conviction that teamwork is the key to success, we will achieve great things together.

What you will do at reisetopia As part of our software engineering team you will get the chance to participate in the further development of reisetopia and its platform, especially our hotel product suitespot. ogether with your team, you will take ownership of your goals and play an active role in driving our growth forward.

Technical Excellence: Stay up-to-date with trends in software engineering, technologies, and best practices — including modern AI-assisted development tools — and apply this knowledge to work efficiently and improve team processes and product quality.

Personal development and mutual appreciation of each team member are at the core of all our activities every day. You will contribute to a more modern, scalable, and maintainable codebase while considering best practices across architecture, testing, and development workflows.

Strong communication, collaboration and interpersonal skills, with the ability to work effectively with cross-functional teams. Experience working in a startup, especially in an ever-evolving agile team environment.

This is not required for the role, but it is a strong plus and adds real value, as you will collaborate closely with our full-stack team and occasionally contribute across the stack. Team support, daily fun at work and a proactive approach are the pillars of every job at reisetopia.

Additionally, we offer a lot in return for your commitment - from unbelievable team trips and team events to one-of-a-kind promotion opportunities.

We welcome you in a familial atmosphere and offer a whole range of add-ons to enhance your working day: Best working conditions in our office located close to Potsdamer Platz Deutschlandticket or job bike Lunch allowance and monthly catering Internal and external education and training opportunities worth 500 euros per year Free barista coffee and various cold drinks Snacks and fresh fruits Flat hierarchies and short decision-making processes Opportunities to implement your own projects Cashback for booking via suitespot Highest possible tax-free relocation support for your move to Berlin Modern and simple working time tracking with full flexibility Active support through free and anonymous coaching for improving mental health Employer contribution toward an Urban Sports Club membership Exclusive employee discounts for shopping, travel and much more In order for you to get to know our product personally, you will also receive a free weekend with reisetopia Hotels benefits at the Waldorf Astoria Berlin!

We are looking forward to receiving your application, in which you show us why you are the perfect fit for our ambitious team! By combining personalized advice, in-depth expertise, and modern technology, we create a seamless booking experience for discerning travelers.

Our team has continued to grow over the years, working together to advance our vision and continuously expand our products and services. You will work on the systems that power our customer journeys, backend services and partner integrations.

This role is ideal for someone passionate about clean code, scalable architecture, and building the reliable services behind exceptional digital experiences for travelers. Please note that relocation to Berlin is required. Assistance in the Visa process and during the relocation are available.

Your daily work focuses on the following tasks: Backend Development: Design, build, and maintain scalable and reliable backend services and APIs using TypeScript and Node.js.

APIs & Integrations: Develop and maintain robust APIs and integrations that connect our platform to external tools, partner systems, and third-party services (e.g. travel/hotel suppliers, payment providers, data and CRM services).

AI & Innovation: Explore, integrate, and build with AI capabilities — from LLMs and third-party AI services to automation and intelligent features — to create innovative, business-driving solutions that set our product apart.

Data & Persistence: Design and optimize relational data models and queries in SQL databases (with MongoDB where appropriate), ensuring performance, integrity, and reliability. Architecture: Contribute to system architecture and design for scalable, maintainable backend solutions.

Code Analysis and Recommendations: Conduct code reviews, identify areas for improvement, and provide recommendations for optimization and refactoring. Code Quality: Write high-quality, maintainable, testable and scalable TypeScript code, with a focus on performance, security, and reliability.

Code Maintainability: Ensure code is well-organized, documented, and easy to understand, with a focus on long-term maintainability and scalability. Mentorship: Guide and mentor junior developers, promoting code quality and best practices.

We also give you relevant responsibility early on and want you to actively contribute to your job at reisetopia. This role offers a unique opportunity to make a meaningful impact by driving technical improvements and shaping the future of our platform.

Alongside optimizing and refining existing systems, you will also be responsible for the implementation of new features that enhance product capabilities and user experience. With significant room for innovation and optimization, this is a chance to take ownership and contribute to a stronger, more future-proof product.

What qualifications we expect from you Considering the job as a Mid/Senior Backend Engineer (Node.js, TypeScript) (m/f/x) we are explicitly looking for someone who is fully engaged from day one and passionate about driving our tech projects forward.

Therefore, we require the following qualifications: 4+ years of professional experience in software development, with 3+ years building backend services using TypeScript, Node.js and related technologies such as Express.

Strong understanding of relational (SQL) databases, including data modeling and query optimization, with working knowledge of NoSQL databases like MongoDB. Solid experience designing, building, and maintaining APIs and integrating with external tools, partner systems, and third-party services.

Experience using testing tools like Jest and ideally Selenium or Cypress. Solid knowledge of software architecture principles and development best practices. Excellent problem-solving skills, with the ability to debug complex issues and optimize code performance. Strong analytical and strategic thinking skills.

Ability to adapt to changing priorities and technologies.

It would be a big plus if you have a working knowledge of frontend frameworks like Reactjs/Nextjs, however, if all the above matches, we are still looking to your application Nice to have: Experience with frontend development using TypeScript and libraries/frameworks like React (preferred), Vue or Angular.

Hands-on experience building with AI — integrating LLMs or AI services into products, and/or using AI-powered tools to accelerate development. A curiosity for how AI can drive product innovation and everyday productivity is highly valued. We appreciate new ideas and challenge you in your work every day.

What you can expect from reisetopia In the middle of the capital city, we offer you a young and agile working environment. As core elements of reisetopia's DNA, flexible working hours and options for home or travel office make the working day particularly dynamic.

The annual gross salary for this position ranges between €55,000 and €75,000, depending on experience and qualifications. The role is classified as mid-level to senior-level. Ready to start your journey? About us At reisetopia, our vision is to make luxury accessible to everyone .

Since our founding in 2016, we have been helping people in Germany and beyond unlock extraordinary luxury and lifestyle experiences through smarter financial decisions. With expert insights into financial optimization, loyalty programs, and travel, we show how making smart everyday decisions can lead to unforgettable experiences.

To achieve this, we continuously analyze and test financial products, luxury travel, and lifestyle offerings from around the world, creating in-depth reviews, comprehensive guides, and market-leading comparisons. Our approach combines financial and travel optimization.

From current accounts, credit cards, and investment products to premium flights, loyalty programs, and luxury hotels, we provide holistic content and services that deliver real value. This is complemented by tailored offerings such as our luxury travel agency, suitespot, as well as innovative tools and strategic partnerships.

With suitespot, we are setting new standards for booking luxury travel. What began as a hobby project has grown into one of the leading platforms for financial optimization, loyalty programs, and luxury travel.

Today, we reach a large audience on our website every month, while reisetopia has also built a strong and engaged community across social media and through our newsletter. Our goal remains clear: to help people experience more of life's extraordinary moments by making the right decisions—and to make luxury accessible to everyone .