For our client, a boutique Bulgarian software company, we are looking for a
Backend Developer with Python (Mid level)
to join one of their specialized teams working on a large-scale platform for a leading US construction company.
You will be responsible for building and maintaining custom backend systems for data pipelines and large-scale web scrapers, applied across multiple domains (Projects, Personnel, Contacts, Opportunities, etc.).
The company has offices in Sofia, Germany, and the USA, and works with clients across both Europe and the United States. They provide full-cycle software development, including AI integrations (Gen AI, ChatGPT, Claude), web/mobile applications, and custom data solutions (API, scraping, data processing). The company has been repeatedly recognized as a Clutch Top Web Development Company in Bulgaria.
Position description:
- Design and implement modular ETL tasks through shared base classes for different domains
- Build and maintain backend services for data processing, scraping workflows, checkpoint validation, fingerprinting, and deduplication logic
- Create CI pipelines to trigger builds for specific collectors and data sets
- Develop and optimize collector and transformer jobs for event streams
- Work with large datasets and optimize performance at scale
- Collaborate closely with the team and the client on the design and implementation of new functionalities
- Deliver clean, maintainable, and well-documented code
- Maintain high code quality via SonarCloud, solid test coverage, and low technical debt
- Contribute to improvements in architecture and development best practices
Requirements:
- Solid experience in backend development with Python
- Good working knowledge with TypeScript benefitial
- Experience in building data pipelines (ingestion → processing → storage)
- Understanding of Docker-based development workflows
- Strong knowledge of relational databases (especially PostgreSQL)
- Experience with cloud storage providers (AWS, Azure, GCP)
- Strong analytical mindset and ability to work independently
Nice to have:
- Experience with Kubernetes
- Experience in data processing, large datasets, or ETL pipelines
- Knowledge of scalable and distributed systems
The company offers:
- Competitive salary
- Remote-friendly or hybrid working model (office located in southern Sofia)
- Opportunity to work on meaningful projects for a major US client
- Chance to learn and work with different languages and technology stacks
- Flexible environment where results matter more than bureaucracy
Be part of a small, dynamic team solving significant data infrastructure challenges
If you’re interested, send us your CV and join a team that values clean code, collaboration, and solving complex challenges at scale.
