Senior Backend Engineer – Retail SaaS (C#/.NET)

Simployer Group; Norway; Remote; NOK 900,000 - 1,150,000; Full time

Benefits offered by this job

Competitive salary and benefits

Flexible workday

Pension and leave arrangements

Company trips and events

Job summary

Omnium in Oslo is seeking a senior fullstack developer to join a cross-functional SaaS team. You’ll own end-to-end development across backend C#/.NET and frontend Vue.js, working on a cloud-based OMS with Azure and Elasticsearch.

You’ll translate complex retail and e-commerce domain requirements into robust technical solutions, influence architecture, and collaborate closely with product and design to ship high-quality features.

Qualifications

• 5+ years of experience as a developer in SaaS or complex systems.
• Strong expertise in C#/.NET and backend services/APIs.
• Frontend experience with Vue.js and modern frontend tooling.
• Knowledge of architecture, domain modelling, API design and databases.
• Experience building systems for retail/e-commerce and understanding commerce domain.

Responsibilities

• Own development across the stack from backend to frontend in a cloud-based SaaS platform.
• Collaborate closely with product and design to ship features from idea to production.
• Participate in architecture discussions and code reviews to improve quality and maintainability.
• Translate commerce domain requirements into robust technical solutions and scalable architecture.

Skills

C# / .NET

Vue.js

API design

Architecture

Domain modelling

Retail/e-commerce domain

Norwegian/English communication

Tools

Azure

Elasticsearch

Job description

Omnium in Oslo is seeking a senior fullstack developer to join a cross-functional SaaS team. You’ll own end-to-end development across backend C#/.NET and frontend Vue.js, working on a cloud-based OMS with Azure and Elasticsearch.

You’ll translate complex retail and e-commerce domain requirements into robust technical solutions, influence architecture, and collaborate closely with product and design to ship high-quality features.