We are looking for a Senior Backend Engineer with strong expertise in Node.js and TypeScript to build and scale complex, high-traffic SaaS systems. The role is highly hands-on, focusing on backend architecture, performance optimization, and end-to-end feature development in an AI-augmented engineering environment.
Responsibilities
- Contribute to the design and architecture of large-scale SaaS backend systems
- Write high-quality, production-grade code in Node.js and TypeScript
- Own end-to-end feature development (API design, data modeling, and production delivery)
- Optimize system and database performance (PostgreSQL) in high-load environments
- Build and maintain scalable services on AWS
- Integrate AI tools (Cursor, Claude, agents) into daily development workflows
- Collaborate closely with product, design, and engineering teams
Requirements
- 6+ years of backend development experience
- Strong hands-on experience with Node.js, TypeScript, PostgreSQL, and AWS
- Experience developing financial systems such as billing, payments, subscriptions, or commission-based platforms (including pricing, invoicing, or revenue logic)
- Proven experience in performance optimization (query tuning, indexing, caching, concurrency)
- Ability to independently design and deliver end-to-end features
- Basic familiarity with React and frontend development
- Hands-on experience using AI coding tools as part of the daily workflow (mandatory)
Nice to Have
- Experience with Snowflake or other large-scale data warehouses
- Experience with observability and performance monitoring tools
- Familiarity with event-driven or distributed system architectures
Skills Required
- 6+ years of experience in fullstack development
- Strong hands-on experience with React and Node.js
- Experience working with AI-based development tools
- Proven experience building and scaling complex web applications
- Strong understanding of performance optimization
What We Do
Founded in 2010, Gini-Apps is an israeli tech company specializing in web and mobile applications, as well as outsourcing and R&D talent placement services. Every day, our team shows up with one clear mission: to build digital products people genuinely love to use and also to empower companies with the skilled professionals they need to grow. Millions of people use our apps every day. Transforming any digital into elegant, practical and revenue-driving tech solutions is our secret power From concept to launch and beyond, every product we create strives to achieve two goals: We want users to love it, and we want you to generate revenue from day one. Co-Founders Shay Somech | CEO Mobile, Desktop and web developer for the last 20+ years with a background of IDF airforce electronic engineering on F15 aircraft. Massive app user, familiar with many apps & technologies worldwide. Early adapter for technological products and gadgets. Tamir Avrahamov | CTO Mobile strategy & technology advisor for startups and enterprises, strong hands-on and architectural vision.
.png)
