Senior Backend Developer (m/f/d)

Bling; Berlin; Hybrid; Vertraulich; Vollzeit

Zusammenfassung

A leading fintech company in Berlin is seeking a Senior Backend Developer to enhance their backend infrastructure. The ideal candidate has 4+ years of experience in backend development with strong skills in Node.js and TypeScript. You will collaborate with teams to deliver innovative solutions and optimize performance. The role offers a flexible work model and a vibrant office environment.

Leistungen

Flexible hybrid work model

Modern office in Berlin Mitte

MacBook and necessary equipment

Hands-on projects and learning opportunities

Regular team events

Exclusive mobile plan perks

Qualifikationen

• At least 4 years of experience in a backend development role.
• Strong expertise in Node.js and TypeScript.
• Proficient in working with MongoDB, AWS, and Redis.
• Hands-on experience with Docker or other containerization technologies.
• Strong communicator who can collaborate effectively.

Aufgaben

• Design, build, and improve backend infrastructure.
• Develop and maintain high-performance backend services.
• Support technical planning, architecture design, and API integration.
• Optimize database performance.

Kenntnisse

Node.js

TypeScript

MongoDB

AWS

Redis

Docker

Collaboration

Communication

Jobbeschreibung

Your Mission

As a Senior Backend Developer, your mission is to design, build, and continuously improve Bling’s backend infrastructure to ensure it is robust, scalable, and future-ready. You will take ownership of driving technical excellence across our systems, enabling our product to evolve smoothly as we grow. By optimizing performance, ensuring reliability, and introducing best practices, you will empower the Product Team to deliver outstanding experiences to our users. Ultimately, your work will be a cornerstone in shaping a resilient backend foundation that supports innovation, scale, and long-term success.

What you'll be doing

• You develop and maintain high-performance backend services using Node.js and TypeScript.
• You support the technical planning, architecture design, and backend API integration.
• You optimize database performance with MongoDB, PostgreSQL, AWS, and Redis.
• As a Senior Backend Engineer, you lead by example in code quality, best practices, and performance optimization, conducting thorough code reviews and mentoring team members.
• You collaborate closely with designers, product managers, and the development team to deliver innovative solutions.
• You continuously improve the backend infrastructure to support Bling's growth and vision.

What we're looking for

• You have at least 4 years of experience in a backend development role, with strong expertise in Node.js and TypeScript.
• You are proficient in working with databases such as MongoDB, AWS, and Redis, ensuring scalable and efficient data management.
• You have hands-on experience with Docker or other containerization technologies, enabling smooth deployment and operations.
• You thrive in a collaborative environment, working closely with cross-functional teams to drive innovation in financial education for families.
• You are passionate about fintech and excited to contribute to a company like Bling that is transforming the banking world.
• You are a strong communicator who can effectively collaborate, articulate technical concepts to both technical and non-technical stakeholders, and foster a transparent and supportive team culture.

Why you should join Bling

• Play a key role in shaping Europe’s first Super-App for families, making a real impact on how families connect and thrive.
• Enjoy a flexible hybrid work model with options to work from our Berlin office, from home, or remotely within Germany.
• Work in a vibrant, modern office in the heart of Berlin Mitte, with great transport links, diverse lunch options, and a fully stocked kitchen with drinks, breakfast, and snacks.
• Get set up for success with a MacBook and any additional equipment you need, ensuring you have everything you need to excel.
• Grow rapidly through hands-on projects, internal workshops, and continuous learning opportunities.
• Connect with your team through regular events that strengthen our culture and celebrate achievements.
• Stay connected with an exclusive Bling Mobile plan offering premium mobile services and perks. If you've read this far, you're probably interested. That's great! Because we want to get to know you and are looking forward to your application - feel free to apply via our website.