Lead Full Stack Developer

Job offer

We are an agile team with a focus on AI in a big international company. We provide Data Science solutions for internal customers inside Deutsche Telekom and our skills and solutions are continually in high demand. Therefore, we want to increase the size of our team with additional technical people who know how to process and analyze data so we can serve and satisfy the needs of even more customers.

We are looking for somebody who can work independently, create working solutions quickly, and creatively come up with new ideas, but also knows how to use and where to look for existing solutions. Our project members are also situated in Germany, Slovakia or Romania so video conferencing is the daily standard.

As a Lead Full-Stack Engineer, you’ll drive the design and development of scalable web applications using Next.js, React, and Python. You’ll shape architecture standards, mentor developers, and collaborate across teams to deliver innovative, high-quality solutions.

Apply and find out more about us and our AIS department!

Which challenges you can expect:

• Lead end-to-end development of frontend and backend solutions.
• Define and uphold best practices in architecture, code quality, and performance.
• Mentor developers and foster a culture of technical excellence.
• Work closely with backend engineers to integrate REST APIs and ensure smooth service interaction.
• Partner with AI/ML teams to visualize data and create intuitive interfaces.
• Collaborate with stakeholders to prioritize and refine product features.
• Build and maintain a shared UI component library for consistency.
• Ensure responsive, high-performance design across all platforms.
• Conduct code reviews, optimize performance, and maintain technical documentation.
• Stay current with modern web frameworks and DevOps tools (CI/CD, Docker, Kubernetes).
• Share insights and drive ongoing technical improvement.

Your skills:

• Fluent English, German is a plus.
• More than 10 years of experience of working in and leading backend and frontend development ideally in Data Science / Analytics projects.
• Deep expertise in JavaScript (React, Next.js) and Python, with strong REST API and microservice architecture skills.
• Proven record in architecting scalable applications and mentoring teams.
• Hands-on experience with CI/CD, Docker, and preferably Kubernetes.
• Bachelor’s degree in Computer Science, IT, or a related field.
• Strong leadership, communication, and problem-solving skills.

What will you gain:

We want you to know that we value our employees and want to provide you with more than just a job. As a valued member of our team, you will receive a range of benefits that include:

• An annual financial bonus
• An extra week of holiday (25 days/year), Up to 5 My days, and 1 day off for volunteering
• Additional paid time offs for married couples/registered partnerships, parents on the first day of school, extended paternity leave, and time-offs for foreigners dealing with state office matters
• Flexible working hours and the possibility to work remotely
• Pension plan contribution
• Free refreshments (water, coffee, tea, milk, and fruits available in the office)
• Company Shares
• Alza Discounts
• Company mobile phone and laptop
• Meal vouchers in the amount of 160 CZK per working day
• A variety of Benefits (Cafeteria Plan, Multisport Card, Makro Card)
• A family program with T-Mobile (discounts for employee’s family members and friends)
• Training and qualification opportunities (access to the internal learning HUB)
• Personal development opportunities (career path, job rotation, Bring your own Project)
• Involvement in various activities supporting charity organizations (Flea markets, volunteering days, food collections)
• A relocation package for candidates coming from abroad
• Opportunities for relaxation and wellness activities (massage chair, PlayStation 5, etc.)
• Fun team events such as brunches, Health Day, and summer and holiday parties!

At our company, we believe in creating a positive work environment that values our employees' well-being and development. If you are excited about this opportunity and want to be part of a dynamic team that cares about its employees, send us your CV in English and join us today!

As a part of Deutsche Telekom Group, we ensure not only work-life balance and international career opportunities but also personal development opportunities. We support all individuals in their performance, development, and growth. We offer a variety of trainings, qualifications, and e-learning activities to actively support the rising of common expertise.
At Deutsche Telekom Services Europe Czech Republic, we are proud to be an equal opportunity workplace and employer. We review applications for employment without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, ancestry, citizenship, age, uniformed services, genetic information, physical or mental disability, medical condition, marital status, or any other basis prohibited by law. We welcome applicants from all backgrounds and strive to create a workplace that is supportive, empowering, and inclusive.