Senior Rust Backend Engineer — Scale SaaS Platform

Xensam; Stockholms kommun; Hybrid; SEK 900,000 - 1,200,000; Full time

Job summary

Xensam, a leader in AI-powered cloud-based Software Asset Management, seeks a Senior Backend Engineer to design, develop, and maintain scalable backend services in Rust. You’ll work with Product, Infrastructure, and Security teams, shaping the platform's technical direction and mentoring others.

You’ll contribute to architecture, improve performance and reliability, and write robust tests. A strong background in backend systems and English communication is essential for collaboration across a

Qualifications

• Extensive experience in backend software development.
• Strong experience building production systems with Rust.
• Strong understanding of distributed systems, APIs, and backend architecture.
• Experience building scalable, reliable, and secure services.
• Strong foundation in software engineering principles, testing, and version control.
• Experience working with relational databases and SQL.
• Comfortable working with CI/CD pipelines and modern development practices.
• Excellent communication skills and a collaborative mindset.
• Strong verbal and written communication skills in fluent English (Swedish is a plus).

Responsibilities

• Design, develop, and maintain backend services and APIs using Rust.
• Build scalable, reliable, and secure systems that support business growth.
• Contribute to architecture decisions and technical direction across the platform.
• Improve system performance, reliability, observability, and maintainability.
• Identify and resolve complex technical challenges across services and integrations.
• Refactor and modernize existing solutions in line with engineering best practices.
• Write robust unit, integration, and end-to-end tests.
• Participate in code reviews and help maintain high engineering standards.
• Collaborate closely with Product, Infrastructure, and Security teams.
• Support and mentor other engineers through knowledge sharing and technical guidance.

Skills

Backend development

Rust

Distributed systems

APIs

Testing

SQL

CI/CD

Debugging

Communication

English fluency

Tools

PostgreSQL

Cloud platforms

Docker

Kubernetes

React

Vue

Angular

Job description

Xensam, a leader in AI-powered cloud-based Software Asset Management, seeks a Senior Backend Engineer to design, develop, and maintain scalable backend services in Rust. You’ll work with Product, Infrastructure, and Security teams, shaping the platform's technical direction and mentoring others.

You’ll contribute to architecture, improve performance and reliability, and write robust tests. A strong background in backend systems and English communication is essential for collaboration across a