Senior Backend Engineer - RouteOpt team
Workplace: Stockholm, Sweden
Expires: October 24, 2025
Join Instabee as a Senior Backend Engineer in the Route Optimization team to develop and maintain backend systems that optimize delivery routes, enhancing delivery success and efficiency. Collaborate with cross-functional teams to build scalable backend services, design logistics data structures, and influence technical and product strategies, while enjoying a supportive and engaging work culture.
Main requirements:
- 5+ years of backend development experience in modern tech environment
- Proficiency in Java and Python
- Strong understanding of relational databases
- Hands-on experience with cloud providers such as GCP or AWS
- Familiarity with Kubernetes, Terraform, Helm, and CI/CD tools like GitHub Actions
- Degree in Computer Science or equivalent work experience
- Strong communication skills in English
Responsibilities:
- Build, own, and maintain backend services with full codebase accountability ensuring quality, maintainability, and scalability
- Design and implement efficient data structures to simplify complex logistics scenarios
- Participate in architectural discussions influencing both technical and product directions
- Collaborate with product and operations teams to translate user needs into technical solutions
- Contribute creatively to solving real user problems in a modern product team
- Lead end-to-end backend development from concept to deployment
Required hard skills:
- Java
- Python
- Relational databases
- Cloud platforms (GCP or AWS)
- Kubernetes
- Terraform
- Helm
- CI/CD tools (GitHub Actions)
Recommended hard skills:
- Machine learning or optimization algorithms experience
- Golang familiarity
- Frontend development experience with React or Websockets
Soft skills:
- Problem solving
- Strong communication
- Collaboration
- Eagerness to learn and grow
Coding languages:
- Java
- Python
- Golang
Natural languages:
- English (Proficient)
Cultural skills:
- Diversity and inclusion sensitivity
- Team collaboration
- Knowledge sharing
- Mentoring and coaching