Senior Backend Engineer (Python) — Scalable APIs

BTR Personnel services AB; Stockholms kommun; On-site; SEK 700,000 - 900,000; Full time

Job summary

BTR Personnel services AB is seeking a backend developer with about five years of professional experience. You will design, build, and maintain backend components, focusing on scalability, robustness, and performance in a modern environment using Python, APIs, and cloud services.

You will work in a team that values solid design principles, maintainable systems, and long-term quality, collaborating with architects and other stakeholders to deliver API-first solutions used globally.

Qualifications

• Bachelor's degree or higher in a technical field.
• Around five years of backend development experience.
• Strong analytical and problem-solving skills.
• Fluency in Swedish and English.

Responsibilities

• Design, build, and maintain backend components for flight optimization services.
• Contribute to architecture and software development practices.
• Write clean, scalable, and maintainable code with a focus on quality.
• Collaborate with developers, architects, and stakeholders to implement new functionality.
• Support an API-first architecture that is clear, stable, and easy to extend.

Skills

Backend development

Python

Cloud environments

APIs

Data modeling

SOLID principles

DRY

Message queues

Security

Analytical thinking

English communication

Education

University degree in computer science or software engineering

Tools

Databases

APIs

CI/CD pipelines

Cloud services

Job description

BTR Personnel services AB is seeking a backend developer with about five years of professional experience. You will design, build, and maintain backend components, focusing on scalability, robustness, and performance in a modern environment using Python, APIs, and cloud services.

You will work in a team that values solid design principles, maintainable systems, and long-term quality, collaborating with architects and other stakeholders to deliver API-first solutions used globally.