About
Career
Join the Crowd, Start disrupting e-Commerce, Become a Qilin, Do the Extraordinary – there are a lot of terms, but only one decission:
Start you career at Qilin.Cloud
Background
The Story
The Qilin serves as the Asian mythological counterpart to the iconic Western unicorn.
Prior to the emergence of marcos software’s innovative venture Qilin.Cloud, a pivotal decision was made to extend an invitation to the esteemed developer community, unlocking access to their technology platform.
The products of marcos software were once fondly referred as “unicorns,” a clever amalgamation of “uni,” symbolizing universality, and “con,” representing connectivity. With the decision to open the platform, the team simultaneously expanded to a second headquarter in Vietnam, the Qilin is therefore the continuation of the unicorn.
Why join Qilin.Cloud?
We empower others.
We make an impact.
We collaborate and create with excitement and pace.
We help businesses grow – ourselves and each other, too.
We innovate.
We play.
We solve problems.
We have fun.
We be ourselves.
We Do Extraordinary. Do you?
The World is our Oyster
We are all over the world. Wherever you find us, we’ll be pushing the envelope, collaborating and creating, delivering excellence for every user.
Remote First
// worldwide
More than 50% of our colleagues work completly remotely!
Operating as a remote-first organization, your geographical location is no barrier. What truly matters is your alignment with our company values and your unwavering pursuit of the extraordinary.
Bonn, Germany
// HQ EMEA
Bonn is a historic city brimming with culture and significance. Nestled along the Rhine River, its charming streets are lined with well-preserved architecture that reflects its rich past as the former capital of Germany. Home to prestigious institutions, including the United Nations and notable museums, the city seamlessly blends tradition with modernity.
HCMC, Vietnam
// HQ APAC
Ho Chi Minh City, is a bustling metropolis that captures the nation’s dynamic spirit. Formerly known as Saigon, the city is a captivating blend of traditional markets, vibrant street life, and rapid urban development. Its historical significance, modern skyscrapers, and diverse culinary scene make it a vibrant hub that shows South East Asias evolution and global connections.
Letter from our BOD
“At Qilin.Cloud, we take immense pride in our status as the forefront innovators of ecommerce technology within the industry. Acknowledging the diverse spectrum of talent that exists, we have embarked on a journey to embrace exceptional minds from every corner of the globe. Witnessing the remarkable growth of our distinctive Qilin.Cloud developer community is a source of tremendous excitement for us.
Operating as a remote-first organization, your geographical location is no barrier. What truly matters is your alignment with our company values and your unwavering pursuit of the extraordinary.
Irrespective of your background, origins, or future aspirations, you are warmly invited to contribute and collaborate, assisting us in ushering forth sophisticated technical platform models that transcend geographical boundaries. We eagerly await the opportunity to connect with you!”
Marc Costea, Marvin Zimmermann
Founder & CEO, COO
Our Company Values
These are the core principles upon which Qilin.Cloud was built, guiding what we do and how we do it. Each employee learns them, loves them and lives them. Our users benefit from them every time they use our technology platform or get help from our Support team.
User First
Qilin.Cloud exists to help produce e-commerce software products as value-adding as possible . We make every decision and measure every outcome based on how well it serves our users.
Think Big
Being the leading technology platform in the e-commerce domain requires unrivaled vision, innovation and the courage to do what everyone previously thought impossible. We never settle. We challenge our ideas of what’s possible to better meet the needs of our users.
Make a Difference Every Day
We constantly push ourselves to be our best. We focus on solutions and arrive every day inspired to make an impact through our talents, passion and hard work.
Fail Fast, Fail Often
The aim of “fail fast, fail often,” is not to fail, but to be iterative. At Qilin.Cloud, everyone must be open to failure – but the intention is to ensure we are learning from our mistakes as we tweak, reset, and then redo if necessary.
Team on a Mission
Qilin.Cloud is made up of amazing individuals, but it’s only through teamwork that we achieve greatness. We’re committed to helping our users by working together with equal parts humility and ambition.
Act with Integrity
We’re honest, transparent and committed to doing what’s best for our users and our company. We openly collaborate in pursuit of the truth. We have no tolerance for hidden agendas or passive-aggressive behavior.
Be a Qilin
We challenge and grow
We focus on our vision

We connect and celebrate our success
We live and breath innovation
Our Tech Stack
Frontend
Although Qilin.Cloud is API first and headless, we still provide a UI for all users who don’t want to deal with this issue themselves. Our UI communicates completely through the public APIs.
Backend
Our platforms high-performing backend is written in ASP.Net Core and has Event Sourcing as its core. This allows us to add new components, react to events, and use data in the most relevant ways. On the client-facing side, we present the best APIs, embracing CQRS and REST to allow our users to work in the most intuitive, flexible and modern ways possible. For internal services we are using gRPC and recently started testing HTTP/3 support. Our workflow switches from GitFlow to trunk-based development.
Infrastructure
Our technology platform is multi-cloud: Qilin.Cloud runs on Microsoft Azure in multiple regions across the world. All services are running on various Kubernetes clusters with the help of toolings from CNCF landscape: Prometheus, Fluentd and Terraform. We run our CI/CD jobs on Azure. For in-house automation, we use Python and Go.
Techniques
ASP.Net Core
Cosmos DB
CQRS
REST
gRPC
HTTP/3
Microsoft Azure
Kubernetes
Terraform
Redis
Prometheus
Fluentd
Linq
Trunk-Based Dev
NUnit
MoQ
Swagger
Redocly
SOLID
Python
Apache NiFi
Celonis EMS
SonarCloud
JQuery
ReactJS
Splunk
Go
openAPI
SolarWinds
Datadog
Our Vacancies
Want to become a Qilin?
We are a passionate bunch of coders, marketers and thought leaders, but we are also amateur gourmet cooks, triathlon enthusiasts, and (even) rapper! At Qilin.Cloud, our differences are not seen as challenges but rather the fuel of our teamwork. We are bonded by a clear company vision and a well-defined value compass.
Join us and participate in the future development of the company’s enterprise value.
Internship
An internship gives students the opportunity to become a fully fledged member of the product team, working on challenging issues alongside some of the best developers in their field.
Timetable
Internship starts on July 1st and run until December 31st.
Deadlines & Details
The deadline for your internship submissions is May 31st. You are always welcome to reach out to us at in********@***in.cloud with any question.
Who can apply?
We believe that a close bond is necessary especially at the beginning of an internship, therefore we do not offer internships remotely. We are not providing relocation assistance for internships. Besides that, anybody who is near on to our locations is welcome to join an Qilin.Cloud internship.
Submission
Be creative, be spontanous, tell us about your career wishes, be open, be a Qilin!
Academical
- [PhD] Data Scientist (Germany, Vietnam, Remote)
- [Dual Study] Applied Computer Science B.Sc. (Vietnam, Remote)
- [Dual Study] Business Information Technology B.Sc. (Vietnam, Remote)
Engineering
- [Senior] Cloud Infrastructure Automation (Germany, Vietnam, Remote)
- [Senior] Cloud Center Operator (Germany, Vietnam, Remote)
- [Senior] Software Engineer (Germany, Vietnam, Remote)
AI, Data Science
- [Senior] Machine Learning Engineer (Germany, Vietnam, Remote)
- Data Scientist (Germany, Vietnam, Remote)
IT, TechOps, DevOps, DevSec
- DevOps Engineer AI Platform (Germany, Vietnam, Remote)
- [Senior] DevOps Engineer (Germany, Vietnam, Remote)
- [Senior] SecOps Engineer (Germany, Vietnam, Remote)
Quality Assurance
- QA Engineer (Germany, Vietnam, Remote)
- [Senior] Performance Engineer (Germany, Vietnam, Remote)
- [Senior] TestOps Engineer (Germany, Vietnam, Remote)
User Success
- [Senior] Project & User Success Manager (Germany, Remote)
Technical Editorial Office
- Technical Content Writer (Germany, Vietnam, Remote)
Partner Management
- [Senior] Partner Manager & Alliances (Germany, Remote)
Risk Management
- [Senior] Risk & Resilience Manager (Germany, Remote)
Operations
- Board Assistant (Germany, Remote)
Legal
We are currently not having vacancies at this department.
Marketing
- [Senior] Product Marketing Manager (Germany, Remote)
- [Senior] Social Media Manager (Germany, Remote)
Sales
- [Senior] Enterprise Account Executive (Germany, Remote)
- VP of Sales (Germany, Remote)
Finance, Tax & Accounting
We are currently not having vacancies at this department.
Analyst
- [Senior] Business Analyst (Germany, Vietnam, Remote)
HR & Culture
- HR & Talent Acquisition Specialist DACH (Germany, Remote)
- HR & Talent Acquisition Specialist APAC (Vietnam, Remote)
Proposed rewrite for Career
Review draft: The original live page remains untouched. The section below contains the agent’s proposed rewrite content for manual review.
Build the Infrastructure Layer for Commerce Operations
Join a team building AI-native, API-first infrastructure for modern commerce systems.
Qilin.Cloud is the operating system for commerce operations. It separates business processes from technical systems so companies can change software, channels and service providers without rewriting core operational logic.
This page is written for Candidates, Investors, Developers. It should help readers understand not just what Qilin.Cloud claims, but how the platform behaves under real operational pressure: changing systems, channel sprawl, compliance requirements, scaling workloads and the constant need to move faster without turning architecture into an archaeological site.
Why this page matters
Use this page to explain the platform in concrete and operationally credible language.
Qilin.Cloud is not a monolithic suite that asks teams to surrender architecture decisions in exchange for convenience. It is infrastructure for teams that want to keep business processes stable while they continue evolving their technical estate. That makes every serious page on the site part of a bigger operating model: define the business once, orchestrate the execution cleanly, observe every transaction and make changes without losing control.
The platform combines High-throughput data and process orchestration for synchronizations, routing decisions and cross-system workflows; API-first platform design so every important capability can be used programmatically instead of being trapped in the UI; Modular plugins and connectors that allow rapid prototyping, controlled rollout and targeted extension without monolithic lock-in. It also adds process intelligence and AI-native operational behavior so the system can do more than execute instructions. It can explain what happened, show where things drifted and escalate when intervention is needed.
Build the Infrastructure Layer for Commerce Operations
Qilin.Cloud is building a platform for orchestration, AI operations and process intelligence. That means hard engineering problems, real system complexity and room for strong builders.
Explain the platform in concrete, technically credible language. For Career, treat Build the Infrastructure Layer for Commerce Operations as an operating concern rather than a marketing slogan. Connect it back to the core Qilin.Cloud model: stable business processes, replaceable systems, transparent operations and fast adaptation under change.
In practical terms, that means teams can define logic once and then execute it across changing software estates. A retailer might swap a marketplace connector, revise an ERP integration or split a process across several services without discarding the business policy behind the workflow. That decoupling is the architectural heart of Qilin.Cloud and it is what turns an integration project into reusable infrastructure.
This page should also make the human benefit visible. Operators gain fewer surprises, architects gain cleaner boundaries, finance teams gain cost transparency, and leadership gains a system that can scale with complexity instead of forcing every change through brittle one-off rebuilds. That combination of control, reuse and observability is what makes the platform strategically meaningful.
Why join
Explain the platform in concrete, technically credible language. For Career, treat Why join as an operating concern rather than a marketing slogan. Connect it back to the core Qilin.Cloud model: stable business processes, replaceable systems, transparent operations and fast adaptation under change.
In practical terms, that means teams can define logic once and then execute it across changing software estates. A retailer might swap a marketplace connector, revise an ERP integration or split a process across several services without discarding the business policy behind the workflow. That decoupling is the architectural heart of Qilin.Cloud and it is what turns an integration project into reusable infrastructure.
This page should also make the human benefit visible. Operators gain fewer surprises, architects gain cleaner boundaries, finance teams gain cost transparency, and leadership gains a system that can scale with complexity instead of forcing every change through brittle one-off rebuilds. That combination of control, reuse and observability is what makes the platform strategically meaningful.
Work on high-throughput orchestration and distributed systems
Work on high-throughput orchestration and distributed systems is not just a feature label on Career. It matters because commerce organizations rarely fail for lack of a single tool. They fail because each tool change drags process logic, data handling and operational responsibility along with it. Qilin.Cloud keeps those concerns separated so the business model survives infrastructure churn.
On Qilin.Cloud, work on high-throughput orchestration and distributed systems should be understood in relation to orchestration, traceability and controlled extensibility. Teams can roll out changes incrementally, observe outcomes transaction by transaction and decide whether the new path improves cost, reliability or delivery speed before broadening the rollout.
Build AI-native operational tooling instead of demo-grade AI gloss
Build AI-native operational tooling instead of demo-grade AI gloss is not just a feature label on Career. It matters because commerce organizations rarely fail for lack of a single tool. They fail because each tool change drags process logic, data handling and operational responsibility along with it. Qilin.Cloud keeps those concerns separated so the business model survives infrastructure churn.
On Qilin.Cloud, build ai-native operational tooling instead of demo-grade ai gloss should be understood in relation to orchestration, traceability and controlled extensibility. Teams can roll out changes incrementally, observe outcomes transaction by transaction and decide whether the new path improves cost, reliability or delivery speed before broadening the rollout.
Shape an open, API-first platform with real enterprise constraints
Shape an open, API-first platform with real enterprise constraints is not just a feature label on Career. It matters because commerce organizations rarely fail for lack of a single tool. They fail because each tool change drags process logic, data handling and operational responsibility along with it. Qilin.Cloud keeps those concerns separated so the business model survives infrastructure churn.
On Qilin.Cloud, shape an open, api-first platform with real enterprise constraints should be understood in relation to orchestration, traceability and controlled extensibility. Teams can roll out changes incrementally, observe outcomes transaction by transaction and decide whether the new path improves cost, reliability or delivery speed before broadening the rollout.
Join a remote-first team with product and platform ownership
Join a remote-first team with product and platform ownership is not just a feature label on Career. It matters because commerce organizations rarely fail for lack of a single tool. They fail because each tool change drags process logic, data handling and operational responsibility along with it. Qilin.Cloud keeps those concerns separated so the business model survives infrastructure churn.
On Qilin.Cloud, join a remote-first team with product and platform ownership should be understood in relation to orchestration, traceability and controlled extensibility. Teams can roll out changes incrementally, observe outcomes transaction by transaction and decide whether the new path improves cost, reliability or delivery speed before broadening the rollout.
Role families
Organize vacancies by engineering, platform operations, AI/data, technical content and go-to-market. Keep role descriptions current outside the core landing page to avoid stale copy.
Explain the platform in concrete, technically credible language. For Career, treat Role families as an operating concern rather than a marketing slogan. Connect it back to the core Qilin.Cloud model: stable business processes, replaceable systems, transparent operations and fast adaptation under change.
In practical terms, that means teams can define logic once and then execute it across changing software estates. A retailer might swap a marketplace connector, revise an ERP integration or split a process across several services without discarding the business policy behind the workflow. That decoupling is the architectural heart of Qilin.Cloud and it is what turns an integration project into reusable infrastructure.
This page should also make the human benefit visible. Operators gain fewer surprises, architects gain cleaner boundaries, finance teams gain cost transparency, and leadership gains a system that can scale with complexity instead of forcing every change through brittle one-off rebuilds. That combination of control, reuse and observability is what makes the platform strategically meaningful.
How Qilin.Cloud works in practice
In practical delivery terms, teams typically start with one or two painful processes: marketplace synchronization, product data movement, order routing, exception handling or reporting blind spots. Qilin.Cloud lets them isolate the business logic from the technical plumbing, implement the orchestration once and then iterate without rebuilding the whole stack whenever a software component changes.
That approach changes the economics of commerce infrastructure. Instead of repeatedly paying for tightly coupled integrations that become liabilities a year later, teams build reusable operational assets. Connectors, plugins, routing rules, processors, audit trails and AI-assisted controls can all become part of a long-lived platform layer instead of disposable project work.
The AI layer matters here because it is not bolted on as cosmetic copy assistance. It sits close to the operational data and can therefore do useful work: explain failures, highlight anomalies, recommend next actions and notify humans through web interface, Slack, Teams, email, WhatsApp, SMS and phone-based escalation paths. That makes the platform more than automation. It turns it into an operational control system.
Trust, compliance and Open Commerce
Large parts of the platform are visible through GitHub and designed around Open Commerce principles to reduce black-box dependence.
For large enterprises, that matters because platform evaluation is never only about features. It is also about governance, auditability, vendor behavior, supportability and future optionality. When a platform makes the logic and mechanics visible, review becomes easier, procurement risk falls and technical teams can reason about what they are adopting.
That is also why complete transaction history matters. Every meaningful change should be traceable: who initiated it, why it happened, what the initial state looked like and what the resulting state became. That is the foundation for process mining, operational accountability and credible AI assistance.
Commercial model and long-term leverage
Platform subscription, transparent infrastructure pass-through, premium AI capabilities and future ecosystem monetization.
That model reflects an infrastructure business rather than a thin feature business. Stable platform access creates recurring software revenue. Transparent usage keeps cost discussions honest. Premium AI and future ecosystem layers create expansion without forcing basic functionality into artificial upsells. For buyers, that means visibility. For investors, it means a layered monetization structure that can mature over time.
Most importantly, it aligns with how the platform creates value. The more operational complexity a company has, the more valuable architectural stability, observability and reusable extension points become. Qilin.Cloud is designed to capture that value by becoming the layer that commerce organizations do not want to rebuild every time the market changes.
Related pages for deeper evaluation
Qilin.Cloud should be understood through several connected layers: category definition, platform mechanics, AI operations, process intelligence, developer extensibility and commercial model. Use the pages below as the next reading path.