Senior Full Stack Developer (f/m/d) arbeitnow Think Cell · 10/12/2026

Primetime; Berlin; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Flexible working hours

Direct exposure to C-level

Relocation support to Berlin

Job summary

thinkcell is seeking a backend/full-stack engineer in Berlin to help turn AI-driven ideas into reliable features for millions of users. You will build production-ready backend and frontend capabilities using TypeScript and Node.js, and work closely with C++ and AI engineers to ship robust product features.

The role emphasizes code quality and collaboration, with opportunities to contribute to cutting-edge AI integration while enjoying relocation support to Berlin and a dynamic engineering

Qualifications

• A degree in computer science or a similar technical field.
• Relevant experience as a backend or full-stack engineer.
• Strong production experience with TypeScript and Node.js.
• Curiosity about AI and integrating it into products.
• Experience with Python or C++ is a plus.

Responsibilities

• Build and maintain production-ready backend and full-stack features using TypeScript.
• Integrate AI-powered functionality into the product (text editing and slide creation).
• Collaborate with C++ and AI engineers to translate ideas into robust features.
• Contribute to code quality through rigorous reviews and standards.

Skills

Backend engineer

Full-stack engineer

TypeScript

Node.js

Python or C++

Education

Degree in computer science or related field

Job description

Type: Onsite

About The Role

At thinkcell, we are continuously improving how professionals create business presentations by introducing smarter automation and assistance features into our product. In this role, you will help turn new ideas and early AI-driven concepts into reliable features used by more than 1.3 million users worldwide. 

You will build production-ready systems that connect modern backend services with intuitive user interfaces. In this role, you will work closely with both C++ engineers developing the core product and AI engineers exploring new automation capabilities, helping bring new functionality from concept into everyday product usage. 

This role is ideal for engineers who enjoy building clean, scalable systems, care deeply about code quality, and are motivated by shipping impactful features in a highly collaborative engineering environment. 

What you will do

• Build and maintain production-ready backend and full-stack features using TypeScript 

• Integrate AI-powered functionality into the thinkcell product, such as text editing assistance and automated slide creation 

• Work closely with  C++ engineers and AI engineers to translate ideas and prototypes into robust product features 

• Contribute to a strong engineering culture with rigorous code reviews and high standards for code quality 

You will be great for this position if you have

• A degree in computer science, mathematics, physics, or a similar technical field

• Relevant experience as a backend or full-stack engineer 

• Strong experience with TypeScript and Node.js in production environments 

• Curiosity about AI technologies and interest in integrating them into real-world products 
• Experience with Python or C++ is a plus

What We Offer

• Brilliant Team: Work with international colleagues with strong academic and professional experience 

• Work–life balance: Flexible working hours and an environment that respects your time and focus.

• Stable Environment: Join a market leader with a reliable product.

• Direct Exposure to C-level

• Competitive salary & Relocation Support to Berlin

Our Values

As part of our team, you will embody and help shape the following principles that define us: 

Forward Thinking : We embrace change and challenge the status quo. 

Ownership : We take pride in our work and learn from our mistakes. 

Customer First : We prioritize delivering lasting value. 

Unified Team : We foster collaboration, respect, and integrity. 

Strive for Excellence : We set ambitious goals and pursue quality. 

We believe in a human hiring process, every application is personally reviewed.

Why is thinkcell the right place for you?

We empower over 1.3 million users across 35,000 companies, including top consulting firms and major global enterprises. With offices in Berlin, Munich, Denver, Boston, London, Tokyo, and Dubai, we’re a diverse team of over 240 people, committed to innovation and excellence. 

thinkcell is more than a job – it's a chance to be part of an innovative, inclusive team that values collaboration and growth. We encourage applicants from all backgrounds to apply. Together, we can shape the future of productivity software. We can’t wait to see what you’ll bring to the team! 

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This overview was written from the original listing to help you understand the role. Always confirm the specifics on the employer’s application page.