Senior Backend Developer - Python in Hyderabad, भारत

Senior Backend Developer - Python (SDE II / III)Role Description :We are building a next-gen AI-native CAD software platform that combines scalable cloud-native services with advanced 3D modelling workflows. As a Senior Backend Engineer, you will design, develop, and optimize backend systems that power multi-user collaboration, secure data handling, and seamless integration with CAD Core and AI https://jobeax.com/link/mR9SFrzzn3qqtGeZ role focuses on Python and FastAPI, cloud-native architecture, and the reliability, data security, and AI safety of an AI-native CAD https://jobeax.com/link/gqXtb8Ap7gIlW4GQ :- Architect and build scalable backend services in Python (FastAPI), ensuring performance with large datasets and multi-user workloads.- Own reliability, data security, and AI safety - encryption, secure APIs, secrets management, SOC 2 (Type II), and guardrails on AI inputs and outputs.- Implement multi-tenant access control (RBAC/ABAC) to secure projects and enforce fine-grained permissions.- Design service-to-service communication between backend services, CAD Core APIs, AI Engine, and Kafka.- Build the AI backend - RAG pipelines and the AI sandbox that ingests clients' legacy CAD data and emits code and designs, with engineers in the loop.- Integrate with external engineering software and systems of record, keeping data in sync.- Manage file storage and processing pipelines for CAD/3D files (DWG, IFC, BREP), including large binary data handling.- Build real-time collaboration features (concurrency handling, versioning, conflict resolution).- Develop and maintain cloud-native, Infrastructure-as-Code deployments on AWS (ECS, S3, RDS, Kafka) using Terraform.- Create CI/CD pipelines for backend microservices using Git, Docker, and Bitbucket Pipelines.- Proactively identify scalability bottlenecks and optimize database queries, file processing, and distributed systems.- Collaborate with frontend teams (PyQt desktop, Unreal Engine visualization, React web) to deliver seamless CAD https://jobeax.com/link/NPjYcfEkgZ7Gj84R Stack & Qualifications :- Bachelor's degree in computer science/engineering or equivalent professional experience.- 5+ years backend development experience for SDE III (3+ for SDE II), with strong expertise in Python (FastAPI).- Proven experience in scalable system design with microservices and async processing.- Strong knowledge of Postgres and familiarity with NoSQL databases (MongoDB, Redis, DynamoDB, etc.).- Hands-on experience with cloud deployments (AWS), Infrastructure-as-Code (Terraform), Docker, and CI/CD.- Solid understanding of security, encryption, multi-tenant ACLs, and compliance (SOC 2); familiarity with AI safety / LLM guardrails.- Past experience with AI/ML systems - knowledge graphs, RAG, AI harnesses and safety, and model fine-tuning.- Familiarity with OpenAPI and code-generation tools for typed API clients and SDKs.- Working knowledge of networking and the TCP/IP stack.- Experience with message queues (Kafka, RabbitMQ, or equivalent).Benefits :- Opportunity for professional growth and advancement within the company.- Competitive salary and benefits package.- Dynamic and inclusive work environment with opportunities to collaborate with talented professionals.- Exposure to cutting-edge technologies and projects in the software industry. (ref:hirist.tech)