Senior .NET Backend Developer (m/f/d)

Stellenbeschreibung:

Our Story

Every great career begins somewhere, and this one starts here. We are a team that believes in big ideas, bold moves and the people behind them. This is where you could be part of something exciting!

Onventis has been a cloud pioneer for digital transformation of purchasing and finance processes since 2000. The cloud‑based software Onventis Buyer is an all‑in‑one procurement system that helps companies manage their business spend to achieve financial control, efficiency, compliance and cost savings.

Why This Role Matters

In this role you will directly shape the functionality, performance, and scalability of our products by creating cloud native, scalable and high‑performing solutions for enterprise level. From day one you will build applications and services that stand alone for their value and quality on the procurement market.

Your Role at a Glance

As our .NET Backend Developer, you will be responsible for building and maintaining cloud native micro‑services architecture as well as refactoring existing solutions and slicing larger services into smaller chunks.

How You Will Work

Actively participate in development meetings to learn new company horizons and goals.
Contribute in technical planning meetings by discussing user stories and decomposing tasks; begin with the end result in mind.
Ensure high quality of the delivered products (documentation, code reviews, unit tests, API tests, monitoring, tracing, and alerting).
Collaborate closely with the product manager to ensure the team understands the purpose clearly.
Escalate when help is needed to the Director of Products.
Align with the team during daily stand‑up meetings .
Speak out with improvement suggestions during retrospective meetings that work .

Your Experience and Skills

We are looking for someone who brings:

Must‑haves

C# (.NET Core & .NET Framework)
MS SQL, Redis, MongoDB
Docker, Kubernetes
REST APIs
Integration and unit test skills
Git

Nice‑to‑haves

Elastic & Kibana
CQRS/CQS; Event Sourcing

More importantly, we are looking for someone who is curious, detail‑oriented, and passionate about writing clean, maintainable code!

Our Commitment to You

Our CORE values bring our varied cultural background and products together and ensure how we invest in our people. At Onventis, you can expect a performance‑focused culture where achievements are recognized, goals are prioritized, and careers accelerate.

We offer more than just a job: join the Onventis cloud platform for buyers and suppliers! Our solutions are used by 1.2 million registered users in 21 languages worldwide. We live innovation, support each other, grow together and we show it with real benefits:

Flexibility: Hybrid work model with modern tools and equipment
Mobility: Free parking, Job Ticket, JobRad leasing
Health & Wellbeing: Urban Sports membership, fresh fruit, drinks, and meal subsidies
Career Growth: Structured onboarding, training programs, leadership & language courses
Culture: Friendly team spirit, clear structures, regular team events & gatherings
Rewards: Attractive salary package, pension plan plus discounts, referral rewards & sabbatical opportunities
Global Collaboration – Work where it works for you: turn your travels into opportunities to meet, create, and connect at any of our centrally located EU hubs. Travel and stay are self‑organized!

Everything you need is on our career’s website.