Senior Full Stack Developer (m/f/d) - Python / TypeScript / React

We are a digital online publisher with a global reach: through quizzes, articles, and instant games, we connect with millions of people every day in more than 40 languages. Behind our success is a creative, international team that develops family-friendly feel-good content to make the world more colorful and more fun. Driven by data and powered by our own technologies and platforms, we continuously improve the user experience and create highly personalized content through artificial intelligence, neural networks, and machine learning.

You are excited about building scalable systems with Python and TypeScript, taking ownership of architecture decisions, and translating complex requirements into clean, maintainable solutions?

Then join us as a Senior Python Fullstack Developer (m/f/d) and help drive the evolution of our products, services, and microservices!

• Location: Germany or international
• Contract type: Permanent employment in Germany or long-term freelance collaboration internationally

Your Tasks

• Build, develop, and improve scalable products and services with Python and TypeScript
• Design efficient database architectures and write high-performance SQL queries
• Further develop our existing services and shape new technical solutions
• Design and develop new features with an emphasis on quality and maintainability, including when leveraging generative AI for software development
• Collaborate with cross-functional teams to turn ideas and requirements into reliable products
• Take ownership of architecture and technical solution design for both new and existing services
• Translate business and product needs into clean and scalable systems
• Bring in your own ideas and help drive innovation across our fullstack landscape

Requirements

✔ Strong backend Python skills with in-depth knowledge of web frameworks (such as Django or FastAPI)

✔ Ability work on small frontend tasks with React, Redux and Tailwind libraries

✔ Database fluency in both relational (MySQL) and document (MongoDB) paradigms

✔ Docker and CI/CD experience with GitLab pipelines and containerized deployments

✔ Proficiency in asynchronous message queue processing, ideally with Celery and RabbitMQ

✔ Confidence in writing clean, maintainable and well-tested code

✔ Basic understanding of software architecture, distributed systems, event-driven architectures, statistical analysis and large-scale data aggregation

✔ Familiarity with common AWS services, such as ECS, EC2, S3, SQS/SNS and RDS, while being able to manage them with Terraform

✔ Exposure to machine learning, predictive analytics or generating images using AI is a huge plus

✔ Comfortability working in agile, remotely distributed teams

✔ Collaborative mindset, solid communication skills and a willingness to keep learning and stay up to date

Benefits

• Flexible working hours in a remote-first environment

• Inspiring and supportive leadership
• An international team with English as the company language and colleagues from 30+ countries
• Offers and initiatives that support well-being and mental health
• Learning, growth and development opportunities via trainings and knowledge sharing

Additional benefits for employees in Germany:

• Participation in regular team events, such as summer and Christmas parties
• Internet cost reimbursement
• Mobility benefits, including either the Deutschlandticket or gas vouchers
• Cozy office spaces with relaxation and gaming areas, snacks, drinks, and ergonomic equipment
• Access to the Corporate Benefits platform for vouchers and discounts

Inclusion

At social sweethearts, we are committed to fostering a diverse, inclusive, and discrimination-free workplace. We welcome all applicants regardless of age, gender, background, religion, sexual identity, disability, or any other protected characteristic. What matters to us is how you contribute to our team!

If you have a disability, chronic condition, or are neurodivergent and require accommodations to support you during the application process (e.g., assistive tools, additional time, or other adjustments), please feel free to reach out to us. We want to ensure that every candidate has an equal opportunity to thrive.