Back End Developer

**About the company:** Our client is a dynamic startup focused on building a unique video reaction messaging app for iOS. **Job Description:** Our client is seeking a full\-time Backend Developer experienced in Node.js, particularly with the NestJS framework. The ideal candidate will manage backend services, integrate AWS, and implement a subscription model. This role involves optimizing the app for scaling and cost\-effectiveness while collaborating with the team to enhance functionality based on user feedback. **Responsibilities of the role:** • Develop and maintain backend services using Node.js and NestJS. • Integrate and manage AWS services to support app functionalities. • Implement a subscription model for the app. • Optimize the app for scaling and cost\-efficiency. • Collaborate with the team to analyze metrics and inform feature changes. • Contribute to the overall development strategy and improvement of the app. **Required Experience and Qualifications:** • 3 to 5 years of experience in backend development. • Proficiency in Node.js, specifically with NestJS. • Experience with AWS services. • Familiarity with WebSockets for real\-time messaging. • Strong analytical skills for cloud and metric analysis. • Excellent English communication skills. **Preferred Skills:** • Understanding of full\-stack development concepts. • Experience with performance tracking software. • Entrepreneurial mindset and ability to work in a startup environment. • Flexibility to assist with occasional non\-development tasks. **Personality:** • Self\-driven and hardworking. • Passionate about technology and startups. • Open\-minded and collaborative. • Strong team player with good interpersonal skills. **Software \& Tools** • Node.js, NestJS • AWS services • WebSockets for real\-time communication **English Level:** C1, C2\. **Schedule:** 9 to 5 EST