We are looking for a Backend Engineer to join the Technical team of our San Francisco-based client — an AI fashion-tech company building photorealistic virtual try-on, AI sizing prediction, and personalized outfit recommendation technologies for fashion and retail brands.
Project — an integration and infrastructure layer that connects AI-powered fashion solutions with the systems used by brand partners, including CRM, marketplace, and e-commerce platforms. The project focuses on building reliable APIs and backend services that enable fashion and retail brands to adopt AI-powered try-on and recommendation experiences at scale. Requirements: * 3+ years of production experience with Python (FastAPI) and/or Node.js/TypeScript. * Strong understanding of REST API design, third-party integration patterns, OAuth, and webhooks. * Hands-on experience with PostgreSQL, including schema design and query optimization. * Working knowledge of a serverless-first AWS stack (Lambda, SQS, SES, API Gateway). * Fluent English and comfort working within a fast-paced, US-based startup team under technical leadership. Nice to have: * Experience with major CRM platform APIs, such as Salesforce. * Experience with marketplace seller APIs, such as Amazon SP-API. * Experience building within e-commerce app ecosystems, such as Shopify. Responsibilities: * Design and build REST APIs and backend services that power the platform’s integration and infrastructure layers. * Implement OAuth and webhook-based integrations connecting the platform to third-party commerce and CRM systems. * Work with major CRM platforms, marketplace seller APIs, and e-commerce app ecosystems. * Own schema design and query performance for PostgreSQL-backed services as the platform scales. * Build and operate serverless AWS components (Lambda, SQS, SES, API Gateway) to keep integrations resilient and fast. * Work as a full member of the engineering team, participating in standups, code reviews, and shared technical responsibilities. * Maintain at least 4 hours per day of overlap with US Pacific working hours to collaborate with the team in real time. We offer: * Competitive salary. * Vacation (up to 20 working days). * Sick leave (10 working days). * National Holidays as time off. * Flexible working schedule and remote format. * Online English courses. * Direct cooperation with the customer. * Teambuildings, corporate parties and company trips abroad. * Great working environment and team spirit.
