# Senior .NET Software Engineer & AI-Native (m/w/d) – Legacy & Modern Stack at Urari

> Location unclear · Senior · Software engineering · open. Source: https://alderhq.app/jobs/personio%3Aurari%3A2698573 (read 2026-11-12).

## Facts (observed)

- Company: [Urari](https://alderhq.app/companies/urari)
- Location text: Großbeeren
- Where it can be done from (inferred): Location unclear (evidence: "Location: Großbeeren")
- Posted: 2026-07-03 (132 days ago)
- First seen by alder: 2026-11-07 · last verified: 2026-11-07
- Reposted: 0 times · edited: 0 times
- Apply on the employer's site: https://urari.jobs.personio.de/job/2698573
- Skills listed (inferred): JavaScript, React, Vue, CSS, C#/.NET, SQL, LLMs

## Pay and sponsorship

- Posted pay: not posted

## Description (the employer's text)

### Your mission

- Further develop and modernize our proprietary e-commerce platform, transitioning from legacy .NET to a modern technology stack
- Implement new features, including product catalogues, payment and shipping integrations, and campaign and discount logic
- Actively contribute to the migration towards modern frontend frameworks such as React or Vue
- Integrate AI and LLM functionalities into existing and new modules
- Analyse and optimise existing modules with regard to performance, maintainability, and user experience
- Plan and execute deployments, including version control and documentation
### Your profile

- A solid understanding of legacy .NET: you know how these systems work, can identify what is worth retaining, and understand what should be replaced
- Strong knowledge of Microsoft SQL Server, particularly stored procedures and T-SQL
- Proficiency in HTML, CSS/SCSS, JavaScript, and jQuery
- Experience with or a genuine interest in AI-assisted development: you are willing to use Claude Code as your primary implementation tool and know how to guide it effectively
- You think in terms of systems and architectures, rather than individual lines of code
- A structured and analytical mindset, combined with an independent working style
- Good German language skills, at least B2 level; we also work in English and Russian, and multilingual candidates are welcome
### Our Tech-Stack

### Current

- Legacy .NET
- Microsoft SQL Server and T-SQL
- Git
- IIS
Currently being developed:

- React and modern frontend frameworks
- AI and LLM integrations, including Claude and local models
- Claude Code and modern CI/CD pipelines
### This awaits you:

- Work-life balance: Flexible start times and 28 vacation days, increasing with years of service, plus optional company pension scheme
- Personal development budget: Negotiable based on individual needs
- Additional benefits: €50 tax-free non-cash benefit per month
- Workplace equipment: Height-adjustable desks, ergonomic office chairs, and two monitors at every workstation
- Team events: Large summer party, team lunches, and additional team events

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Data: alder (https://alderhq.app). Cite https://alderhq.app/jobs/personio%3Aurari%3A2698573 and the date you read it. Observed facts come from the employer's own listing; location reach, level, family and skills are inferences.