Senior Backend Engineer — Build Scalable, High-Impact Systems

Umain AB; Stockholms kommun; Hybrid; SEK 542,299 - 759,219; Full time

Benefits offered by this job

Personal coach

Diverse project opportunities

Collaborative work environment

Job summary

Umain AB in Stockholm is seeking a Senior Backend Engineer to develop robust backend systems in Kotlin, Go, and TypeScript. You will have a significant impact on crucial projects for both local and international clients. Successful candidates will have over 5 years of experience and be able to design and oversee systems end-to-end. The company fosters a collaborative environment with opportunities for growth, mentoring, and working with leading brands worldwide.

Qualifications

• Over 5 years of experience in backend service development.
• Comfortable with system ownership from design to deployment.
• Strong in Kotlin, Go, or TypeScript.
• Experience in code reviews and mentoring peers.
• Thinking about product impact and maintainability.

Responsibilities

• Build high-performance backend systems in required languages.
• Work with frameworks such as Ktor, Fiber, and NestJS.
• Design cloud-native systems with Infrastructure as Code.
• Develop robust data models and database architectures.
• Build observable systems with the right monitoring tools.

Skills

Backend services development

Kotlin

Go

TypeScript

API design

Cloud technologies

CI/CD pipelines

Tools

Terraform

AWS

GCP

Azure

Job description

Umain AB in Stockholm is seeking a Senior Backend Engineer to develop robust backend systems in Kotlin, Go, and TypeScript. You will have a significant impact on crucial projects for both local and international clients. Successful candidates will have over 5 years of experience and be able to design and oversee systems end-to-end. The company fosters a collaborative environment with opportunities for growth, mentoring, and working with leading brands worldwide.