Senior Backend Developer

3 days ago

Remote Warszawa, Czech Republic Integral Solutions Full time

You are: A seasoned Software Engineer with 5+ years of hands-on experience in backend development, preferably in high-performance, low-latency environments Experienced with Nodejs, GraphQL, and Typescript Experienced in cloud platforms, particularly AWS, and familiar with serverless architecture and microservices Experienced with building microservices systems in a serverless environment Hands-on experience with NoSQL data stores like DynamoDB, Elasticsearch, etc. Fluent in English  It will be a strong plus: Experience in multiple front-end platforms, including iOS, React, Android, and API services - an advantage Experience with Swift/SwiftUI - an advantage. Experience integrating GenAI technologies - an advantage Degree in Computer Science or similar. Let’s get straight to the point — we’re building the next chapter in interactive fitness. We’re a team of tech-driven fitness enthusiasts who believe that working out should be something people actually enjoy. So we started designing. From the ground up. The result? A one-of-a-kind device — a smart IoT-powered strength training machine that combines advanced hardware with an AI-powered personal coach. It’s built for effective, personalized strength workouts at home, with real-time feedback, tracking, and progress you can feel. This project is being developed for an Israeli startup in the fitness space, aiming to redefine how people train at home through a truly innovative product. Our team brings together experienced designers, product managers, and top-tier software and hardware engineers — many of whom have worked on some of the most recognized consumer tech products out there. Now, we’re combining our skills to build something that will reshape home fitness — engaging, effective, and genuinely rewarding. We can’t wait to show you what we’ve been working on. Workplace: 100% remote, Poland ,[Design and implement highly scalable and performant backend systems, focusing on low latency and high throughput., Develop complex, scalable backend services from the ground up using cutting-edge technologies such as serverless architecture, AWS, and big data., Deliver high-quality software on time by collaborating with the team on backend optimizations, and taking ownership of the process, Utilize Continuous Integration & Delivery and/or Test-Driven Development to ensure code quality, performance, and reliability., Conduct performance profiling and tuning on backend systems to achieve optimal efficiency.] Requirements: Node.js, AWS, GraphQL, TypeScript, Microservices, NoSQL, Serverless computing, React, iOS, Android, API, Swift, SwiftUI, GenAI Additionally: Private healthcare, Sport subscription, Small teams, International projects, Flat structure, Startup atmosphere, No dress code, Free parking.

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