Full Stack Developer
About the job
- Have graduated from a bachelor's program in Computer Science, Software Engineering, Electrical-Electronics Engineering, Industrial Engineering, or a related field.
- Have at least 5 years of professional full-stack software development experience.
- Have enterprise-level experience with C# and .NET Core or ASP.NET Core, Entity Framework or a similar object-relational mapper, and relational or NoSQL database architectures.
- Have primary frontend expertise in React.js and experience using modern frameworks such as Next.js, Angular, or Vue.js.
- Have advanced knowledge of TypeScript, modern JavaScript (ES6+), HTML5, CSS3, and responsive design principles.
- Have in-depth knowledge of state management and designing and consuming RESTful APIs.
- Have experience developing projects using Agile or Scrum methodologies and version control systems such as Gitflow.
- Have sufficient English proficiency to follow technical documentation.
- Be able to work on-site five days per week.
- Design and develop high-performance microservice architectures and data-flow processes using .NET Core on the backend.
- Build modern React.js-based web administration dashboards and responsive screens for monitoring real-time data.
- Follow Clean Code and SOLID principles and other architectural standards across server and interface layers.
- Coordinate with analytics, artificial intelligence, and other relevant teams to carry out end-to-end processes from creating data models to API integrations.
- Contribute to scalable system architecture design, project quality standards through code reviews, and process improvement using professional experience.
- Have experience with real-time communications for live data integrations using WebSocket or APIs.
- Have experience running and managing services and interfaces in container environments such as Docker and Kubernetes.
- Be familiar with automated continuous integration and continuous deployment pipelines for production releases.
- Regularly write unit tests for backend and frontend, using tools such as Jest and xUnit.
About the company
Crenno is a technology and innovation company that blends R&D with software and hardware development to create digital products for AI, mobile, and game platforms. Its main approach is building spin-off projects via a startup-studio model, using the latest software and hardware technologies to deliver solutions that stand out with clear design, strong user experience, and effective marketing differentiation. The company collaborates with clients who value quality, UX, and software that shapes modern business life, guiding mobile strategies and shaping product concepts from idea to deployment. Its goal is to create memorable, engaging software by combining innovation with practical engineering, and to lead in its chosen tech areas through agility, expertise, and close customer collaboration.
Company Size
1-10
Company Stage
N/A
Total Funding
N/A
Headquarters
Istanbul, Türkiye
Founded
2009
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Simplify's Take
What believers are saying
- CRENNO is hiring in 2026 for .NET, mobile, and business analysis roles.
- Its website highlights telecom, fintech, airline, retail, e-commerce, and supply-chain work.
- Recent site updates promote blockchain and AI offerings, signaling continued product expansion.
What critics are saying
- CRENNO has only 11-50 employees, limiting delivery capacity and sales coverage.
- Its project-based outsourcing model faces brutal price competition from Turkish and global agencies.
- No public funding, major product traction, or lawsuits create an existential concentration risk.
What makes CRENNO unique
- Founded 2009, CRENNO sells custom software and enterprise modernization across 5+ countries.
- LinkedIn lists AI, mobile, game, blockchain, Salesforce, and security specialities.
- CRENNO says 85% client retention across 20+ clients over 14 years.
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Benefits
- Health Insurance
- Meal Benefits
- Commuter Benefits
- Hybrid Work Options