What Youll Build :

1. System Architecture & Design :

- Architect highly scalable backend systems from the ground up

- Define technology choices : frameworks, databases, queues, caching layers

- Evaluate microservices vs monoliths based on product stage

- Design REST, GraphQL, and real-time WebSocket APIs

- Build event-driven systems for asynchronous processing

- Architect multi-tenant systems with strict data isolation

- Maintain architectural documentation and technical specs

2. Core Backend Services :

- Build high-performance APIs for 3D content, XR experiences, analytics, and user interactions

- Create 3D asset processing pipelines for uploads, conversions, and optimization

- Develop distributed job workers for CPU/GPU-intensive tasks

- Build authentication/authorization systems (RBAC)

- Implement billing, subscription, and usage metering

- Build secure webhook systems and third-party integration APIs

- Create real-time collaboration features via WebSockets/SSE

3. Data Architecture & Databases :

- Design scalable schemas for 3D metadata, XR sessions, and analytics

- Model complex product catalogs with variants and hierarchies

- Implement Redis-based caching strategies

- Build search and indexing systems (Elasticsearch/Algolia)

- Architect ETL pipelines and data warehouses

- Implement sharding, partitioning, and replication strategies

- Design backup, restore, and disaster recovery workflows

4. Scalability & Performance :

- Build systems designed for 10x100x traffic growth

- Implement load balancing, autoscaling, and distributed processing

- Optimize API response times and database performance

- Implement global CDN delivery for heavy 3D assets

- Build rate limiting, throttling, and backpressure mechanisms

- Optimize storage and retrieval of large 3D files

- Profile and improve CPU, memory, and network performance

5. Infrastructure & DevOps :

- Architect AWS infrastructure (EC2, S3, Lambda, RDS, ElastiCache)

- Build CI/CD pipelines for automated deployments and rollbacks

- Use IaC tools (Terraform/CloudFormation) for infra provisioning

- Set up monitoring, logging, and alerting systems

- Use Docker + Kubernetes for container orchestration

- Implement security best practices for data, networks, and secrets

- Define disaster recovery and business continuity plans

6. Integration & APIs :

- Build integrations with Shopify, WooCommerce, Magento

- Design webhook systems for real-time events

- Build SDKs, client libraries, and developer tools

- Integrate payment gateways (Stripe, Razorpay)

- Implement SSO and OAuth for enterprise customers

- Define API versioning and lifecycle/deprecation strategies

7. Data Processing & Analytics :

- Build analytics pipelines for engagement, conversions, and XR performance

- Process high-volume event streams at scale

- Build data warehouses for BI and reporting

- Develop real-time dashboards and insights systems

- Implement analytics export pipelines and platform integrations

- Enable A/B testing and experimentation frameworks

- Build personalization and recommendation systems

What Were Looking For :

1. Must-Haves :

- 5+ years in backend engineering with strong system design expertise

- Experience building scalable systems from scratch

- Expert-level proficiency in at least one backend stack (Node, Python, Go, Java)

- Deep understanding of distributed systems and microservices

- Strong SQL/NoSQL design skills with performance optimization

- Hands-on AWS cloud experience

- Ability to write high-quality production code daily

- Experience building and scaling RESTful APIs

- Strong understanding of caching, sharding, horizontal scaling

- Solid security and best-practice implementation experience

- Proven leadership and mentoring capability

2. Highly Desirable :

- Experience with large file processing (3D, video, images)

- Background in SaaS, multi-tenancy, or e-commerce

- Experience with real-time systems (WebSockets, streams)

- Knowledge of ML/AI infrastructure

- Experience with HA systems, DR planning

- Familiarity with GraphQL, gRPC, event-driven systems

- DevOps/infrastructure engineering background

- Experience with XR/AR/VR backend systems

- Open-source contributions or technical writing

- Prior senior technical leadership experience

Technical Challenges Youll Solve :

- Designing large-scale 3D asset processing pipelines

- Serving XR content globally with ultra-low latency

- Scaling from thousands to millions of daily requests

- Efficiently handling CPU/GPU-heavy workloads

- Architecting multi-tenancy with complete data isolation

- Managing billions of analytics events at scale

- Building future-proof APIs with backward compatibility