Senior Backend Engineer Offline

About the Project

We’re building a cutting-edge AI-powered video portal, which aggregates and processes videos from various social media platforms. The backend system is responsible for parsing, preprocessing, and extracting metadata from videos — and powers advanced AI capabilities such as Retrieval-Augmented Generation (RAG), agent orchestration, and contextual AI search.

This is a high-impact opportunity to shape the technical foundation of a startup with long-term vision, direct access to the CTO/founder, and real decision-making power in a small, focused team.

Tech Stack

— Python (FastAPI preferred)
— Node.js / TypeScript

— AWS Lambda, API Gateway, S3, Cognito, DynamoDB, OpenSearch

— Serverless Architecture & Cloud-native principles

Who We’re Looking For

— 4+ years of professional backend development experience using Python

— Experience working with Node.js/TypeScript

— Strong experience building and scaling RESTful APIs

— Hands-on knowledge of AWS services (especially Lambda, Cognito, S3)

— Familiarity with serverless infrastructure and event-driven design

— Self-starter attitude with the ability to thrive in a startup-like environment

— Excellent communication and problem-solving skills

Nice to Have

— Exposure to AI/ML-driven platforms, especially:
RAG (Retrieval-Augmented Generation)
LLM agents / orchestration
Knowledge bases (e.g. AWS Bedrock, OpenSearch)

— Basic understanding of frontend (React) for full-picture context

— Background in video parsing, processing, or streaming

Your Responsibilities

— Design, develop, and maintain backend services using Python (FastAPI or similar)

— Build and deploy serverless APIs with AWS Lambda and API Gateway

— Manage authentication and secure access via AWS Cognito

— Implement cloud storage and processing pipelines using AWS S3

— Parse and preprocess video content from social platforms and extract relevant metadata

— Collaborate closely with the AI architect, frontend engineer, and product lead

— Ensure scalability, performance, and resilience of backend infrastructure

— Contribute to infrastructure decisions and CI/CD practices

Being a part of 3asoft means having:
— High level of flexibility and freedom
— p2p relationship with worldwide customers
— Competitive compensation paid in USD
— Fully remote working