Full Stack Engineer

Appnext offers end-to-end discovery solutions covering all the touchpoints users have with their devices.

Thanks to Appnext’s direct partnerships with top OEM brands and carriers, user engagement is achieved from the moment they personalize their device for the first time and throughout their daily mobile journey.
Appnext ‘Timeline’, a patented behavioral analytics technology, is uniquely capable of predicting the apps users are likely to need next.

This innovative solution means app developers and marketers can seamlessly engage with users directly on their smartphones through personalized, contextual recommendations.
Established in 2012 and now with 12 offices globally, Appnext is the fastest-growing and largest independent mobile discovery platform in emerging markets.
As a Full Stack developer, you will design and implement end-to-end solutions by developing and maintaining complex React/Redux front-ends, building robust ASP.NET Core Web API endpoints with secure JWT authentication, optimizing client-server data exchange, managing MySQL database via procedures and Entity Framework Core, and collaborating on CI/CD pipelines in Azure DevOps or AWS.
We're seeking an Adtech pro who thrives in a team environment, possesses exceptional communication and analytical skills, and can navigate high-pressure demands of delivering results, taking ownership, and leveraging sales opportunities.
Responsibilities:
- Develop/maintain React frontend with complex state management
- Build robust C# Web API endpoints
- Implement secure authentication flows
- Optimize API-client data exchange
- Maintain SQL databases via EF Core
- Collaborate on CI/CD pipelines
Requirements:
- +5 years of experience with C#/.NET Core
- +3 years of experience with React/Redux proficiency (hooks, context API)
- Experience with REST API development (ASP.NET Core Web API)
- Proficient with SQL/Entity Framework Core
- Experience with Styled-components/JSS
- JWT authentication implementation
- Complex form validation patterns
- Git flow/trunk-based development
- Azure DevOps/AWS experience
- Fluency in English - a must