Software development in Leipzig
Welcome to Project Lions Development GmbH
We are an experienced company focused on business solutions and versatile applications for desktop, web and mobile. .NET • React • MSSQL • Docker • Kubernetes • and other technologies
Services
From idea to operation
Consulting, development and operations for critical systems — an audited supplier to critical infrastructure operators.
Consulting & strategy
A clear vision, architecture and roadmap with priorities that deliver results quickly.
Product development
Web and backend development with .NET, React and TypeScript — reliable, testable and maintainable.
Integration & APIs
Connect systems using REST, messaging and events — from prototype to production.
Data & databases
MSSQL and MongoDB for relational and document data, as well as reporting.
AI & automation
RAG, agents and automation for more efficient processes and better decisions.
Operations & DevOps
CI/CD, Docker, Kubernetes and cloud operations for scalability and stability.
About us
Your challenges are our passion
Purposeful products, built with care and expertise
Our goal is to support our clients in their daily work and design products that help them achieve their goals. We are an audited supplier to critical infrastructure operators. We also work seamlessly with other service providers and our clients’ existing partners.Founded in Leipzig in 2016
Christoph Krell became a freelance developer in 2014 and founded Project Lions Development GmbH two years later.
Specialists in the energy sector
We help companies automate their business processes and adapt them to the challenges of renewable energy.
Agile development
Close, open collaboration with our clients allows us to tailor systems to their specific needs and requirements.
References
Selected clients
A selection of projects and partnerships we actively support
Axpo Deutschland GmbH
We have supported Axpo Deutschland GmbH in its day-to-day work in the energy sector since 2014.
Vulder UG
We support the expert team at Vulder UG with software and database development.
ampere.cloud
We advise ampere.cloud and support its projects in the energy sector.
How we work with you
Step 1: Initial conversation
We get to know you and your challenges. In an initial, no-obligation conversation, we explore your requirements and discuss possible solutions.
Step 2: Developing the concept
Together, we develop a tailored concept for your software, taking your specific business processes and technical requirements into account.
Step 3: Agile development
We deliver your project in short development cycles. You receive regular updates and can provide feedback, with room for changes along the way.
Step 4: Successful implementation
After thorough testing and your approval, we deploy the solution in your environment. We continue to support you after launch.
Tech Stack
Technologies we work with
Modern tools and frameworks for solutions built to last
Development
Frontend, backend and data access for reliable applications.
Development
Frontend, backend and data access for reliable applications.
Backend and desktop development on the Microsoft stack.
React-based web frontends with clear type definitions.
MSSQL and MongoDB for relational and document data.
REST APIs, RabbitMQ and MQTT for integrations.
Event streaming for scalable data pipelines and services.
Infrastructure
Deployment, operations and platform services in the cloud.
Infrastructure
Deployment, operations and platform services in the cloud.
Containerisation and local orchestration with Compose.
Cluster orchestration and standardised deployments.
Cloud services for hosting, data and operations.
Identity and access management for secure sign-in.
AI & automation
Automation, quality assurance and compliance.
AI & automation
Automation, quality assurance and compliance.
Retrieval-augmented generation for reliable, source-based answers.
Connect tools and data to AI workflows using the Model Context Protocol.
Task orchestration with AI agents for automated workflows.
Automated build, test and release pipelines.
Software bills of materials for transparency and compliance.
Ready to bring your idea to life?
Interested in what we can do for you?
Get in touch and let’s arrange an initial conversation.