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Murtaza Saifee
Looking for a jobSenior Software Engineer
Senior backend engineer building secure, scalable B2B SaaS platforms and LLM-powered automation across distributed teams.
IndiaSenior Software Engineer at Toddle
About
Senior Software Engineer (5+ yrs) specializing in high-throughput B2B SaaS architectures, GraphQL/PostgreSQL performance optimization, and production GenAI workflows. 2x promoted at Toddle, a global edtech platform serving 2,000+ schools across 100+ countries.
Key Highlights:
• 0-to-1 Architecture: Led backend & DevOps for a public curriculum publishing platform, designing safe public-read models with PostgreSQL Row-Level Security (RLS) and public Apollo GraphQL APIs.
• Database & API Performance: Reduced critical PostgreSQL query latency by ~95% (11s to 335ms) across 10M+ row datasets and eliminated N+1 GraphQL query bottlenecks with DataLoader.
• Applied GenAI & Automation: Built production LLM pipelines, including an automated sales follow-up agent saving 20–50 hrs/month and an LLM localization pipeline cutting language rollout cycles to ~1 hr.
Tech Stack: TypeScript, Node.js, PostgreSQL, GraphQL, AWS (Lambda, SQS, S3, RDS), Redis, Python, LLM APIs / n8n.
Experience
Senior Software Engineer
Led backend architecture and delivery of a 0-to-1 public curriculum publishing platform, including secure public-read data access via a dedicated Postgres schema and row-level security. Optimized high-volume GraphQL/Postgres workloads—re-architecting a multi-CTE aggregation query to reduce execution time by ~95% (11s to 335ms) and improving API latency by removing N+1 fetches with DataLoader.
GraphQLData LoadingSQL Query OptimizationPublic Read Publishing Architecture
Software Engineer
Delivered Diploma Programme curriculum expansion and high-stakes student submission workflows, including IBIS-linked flows for IB schools. Designed and shipped an Ably-based real-time and timer-based locking system to prevent conflicting edits in collaborative modules.
IbisAbly
Associate Software Engineer
Built and maintained notification and email workflows across web, email, and mobile, integrating cron-based scheduling with SendGrid templates and backend services. Improved reliability of end-to-end notification delivery through coordinated communicator-service integrations.
React Email Templates
Education
Dhirubhai Ambani University
M.Tech in Information and Communication Technologies. Thesis analyzed bird migration patterns using citizen-science datasets with R.
Rajiv Gandhi Proudyogiki Vishwavidyalaya (RGPV)
B.E. in Electronics and Communication Engineering from RGPV, Indore.