Senior Software Engineer (Python&GIS)
Codest Ltd.4 months ago
Warsaw, PolandSenior
Responsibilities
- Support the design and scaling of high-throughput services for first- and last-mile delivery operations.
- Build and enhance the Delivery Optimization Engine using Python backend services and routing algorithms.
- Apply network analysis, spatial optimization, geospatial data concepts, and routing approaches such as graph theory, road-network modeling, and Vehicle Routing Problems.
- Design and scale microservices-based architecture using cloud-native and Big Data solutions.
- Maintain engineering excellence through clean code, testing, continuous integration and delivery, and rigorous code reviews.
Requirements
- At least 4 years of commercial backend software development experience using Python and SQL.
- Experience or strong understanding of logistics, network analysis, and routing algorithms.
- Experience applying geospatial data concepts in code, including spatial indexing, clustering algorithms, or PostGIS.
- Familiarity with Google Cloud Platform and infrastructure tools including Kubernetes, Terraform, and Airflow.
- Knowledge of microservices architecture and scalable service design.
- Higher technical education in Computer Science or a related field.
- English proficiency of at least B2+.
- Strong teamwork skills and a positive attitude.
Benefits
- 20–25k PLN on a B2B contract.
- Access to the Worksmile platform.
- Growth- and innovation-focused work environment.
- Required to work from the Warsaw office once a month.
Tech Stack
Categories
About Codest Ltd.
Codest Ltd. is an IT services and consulting firm that supplies senior software developers and product teams to fintech, digital banking, and scaling tech companies, via staff augmentation and end-to-end project delivery. Founded in 2009 and privately held, it is headquartered in London with delivery hubs in Poland. The company’s track record includes building its own product, Yieldbird, recognized in Deloitte growth rankings.