Full Stack Developer (Web&Apps)

SBC Performance is a digital marketing and ad-tech ecosystem partnering with the world’s top ad platforms to drive performance. We help brands scale globally through high-converting creative marketing solutions and smart campaign optimization.

We’re proud to be elite partners with TikTok (Top 1 globally), Meta (Top 10), and Google.

With a team of 290+ professionals across the U.S., the Czech Republic, Poland, Ukraine, and more, we’re building a fast-moving, data-first performance culture — and we’re now expanding our engineering team.

We’re looking for an experienced Full-Stack Developer (Web & Apps) to join our core product team. You’ll take part in building web and mobile applications using modern serverless technologies, contributing directly to the technical vision, execution, and delivery of high-performance EdTech platforms.

Responsibilities:

• Full-cycle development of EdTech product using React, React Native, and Node.js
• Building and maintaining scalable REST APIs and back-end services with Node.js
• Working with Cloudflare Stack, including Workers, D1, and KV
• Integrating and optimizing data flows across relational and NoSQL databases
• Supporting and improving serverless infrastructure and edge services
• Collaborating with designers, product managers, and other developers to deliver end-to-end features
• Maintaining high code quality, system performance, and test coverage
• Taking ownership of technical solutions and ensuring they meet business needs

Requirements:

• 5+ years of experience in full-stack development
• Experience in building products from scratch
• Strong proficiency with Node.js, React, and React Native (or Expo)
• Solid understanding of Cloudflare technologies: Workers, KV, D1, R2
• Experience with relational and non-relational databases (e.g., PostgreSQL, Redis, MongoDB)
• Solid grasp of system architecture, REST APIs, and distributed system design patterns
• Experience with, CI/CD, and modern DevOps practices
• Upper intermediate level of English

Nice to Have:

• Hands-on experience with Google Cloud Platform (GCP): Cloud Tasks, Cloud Functions, BigQuery, Cloud Storage, or other cloud platforms
• Knowledge of Firebase or AWS
• Experience with OAuth (Clerk, Auth0, Passport.js, etc)
• Experience with Email Providers (MailChannels, MailGun, etc)
• Experience with TanStack (Start, Router) and Hono.js

Soft Skills:

• Ability to work independently and proactively in an autonomous role
• Strong communication skills and collaborative mindset
• High sense of responsibility and ownership

We Offer:

• Competitive salary and performance-based reviews
• A highly skilled international team of domain experts
• Flexible working hours (start between 8:00–11:00, 8h/day)
• Paid vacation and sick leave
• Rotation program across teams and domains
• Transparent feedback culture and open communication
• Remote-first setup with the option to work from our offices