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Sunil Singh

Staff Software Engineer | Principal-Level Backend & AI Systems | Large-Scale Distributed Platforms | Java, Python | 16+ Years | IEEE Member

Jaipur

5+ years of work experience

Turing
Jan 20242 yrs 4 mosPresent

India

Led cross-functional team to architect global crop forecasting platform using FastAPI and PyTorch, defining data strategy for sparse regional datasets and designing custom ensemble methods for multi-seasonal predictions—delivered high-availability system serving 20+ markets with sub-200ms latency and 99.9% uptime. Spearheaded AI-driven automation initiative, leading procurement transformation by building GPT-4 powered data extraction platform for complex multi-year contract analysis—eliminated manual workflows across 3 departments and enabled C-level executives to make data-driven decisions in real-time.
Freelance (Self employed)
Jul 20232 yrsJun 2025

India

Developed a conversational AI assistant for a major e-commerce client using Hugging Face and PyTorch, enabling natural language interactions and reducing average customer query resolution time by 25%, leading to an 18% increase in customer satisfaction scores. Architected and deployed a computer vision-based quality control system for an automotive manufacturing client using OpenCV and CNNs, enabling real-time defect detection on the assembly line, resulting in a 30% reduction in defective parts and a 10% boost in overall production efficiency.
Visa
Apr 20221 yr 4 mosJul 2023

United States

Engineered Visa’s Stop-Payment API by building Redis-backed idempotency and deduplication into legacy Spring Boot services—eliminated double-spend incidents and elevated SLA adherence to 99.9% across financial partners. Engineered the latency path of Visa’s Faster Payments Gateway—tuned async thread pools, implemented metadata cache layers, and restructured Kafka DLQ flows to consistently meet sub-500ms targets under 20K+ TPS loads.
Intuit
Apr 20216 mosSep 2021

Remote

Spearheaded the migration of payroll products post-Intuit's acquisition of Paycycle, achieving a seamless integration. Executed a transition to Quickbook Online's infrastructure team, leading multiple projects resulting in a 30% enhancement in system efficiency. Directed the implementation of public Quickbook Online services and JMS message infrastructure, boosting developer productivity by 40%. Pioneered a data pipeline, enabling integration of self-employed product line with Quickbook Online, resulting in a 50% increase in customer engagement. Innovated online billing system with real-time event streaming, public key infrastructure, and GraphQL services, improving system reliability by 25%.

Education

Savitribai Phule Pune University

Master's degree, Computer Science

Savitribai Phule Pune University

20072 yrs2009
Savitribai Phule Pune University

Bachelor's degree, Computer Science

Savitribai Phule Pune University

20043 yrs2007

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Headline

Staff Software Engineer | Principal-Level Backend & AI Systems | Large-Scale Distributed Platforms | Java, Python | 16+ Years | IEEE Member

About

With 15+ years of software engineering experience, I specialize in building scalable, reliable systems that serve millions of users. I thrive in fast-paced environments And Of course I can tackle complex technical challenges while collaborating with diverse teams because it's in my DNA. These Key areas of mine expertise: 🔧 Distributed systems and microservices architecture ⚡ Performance optimization and scaling (specific metrics) 🤝 Cross-functional collaboration and technical leadership 🚀 Rapid prototyping and iterative development 🤖 Certified AI Engineer: Microsoft AI Engineer Associate, Google Cloud Generative AI Leader 📊 Built production AI applications: Chat-vatar (AI avatars) and CodeForCrypto (AI-powered rewards) 🔬 Specialized in RAG systems, agentic AI, and responsible AI deployment at scale I'm driven by the mission to build technology that makes a positive impact on humanity. Currently exploring opportunities in AI safety and beneficial AI development. Let's connect if you're working on challenging technical problems or building the future of AI! 🤖

Location

Jaipur

Work experience

Senior Staff Software Engineer at Turing, Jan 2024 - Present · 2 yrs 4 mos, India, Led cross-functional team to architect global crop forecasting platform using FastAPI and PyTorch, defining data strategy for sparse regional datasets and designing custom ensemble methods for multi-seasonal predictions—delivered high-availability system serving 20+ markets with sub-200ms latency and 99.9% uptime. Spearheaded AI-driven automation initiative, leading procurement transformation by building GPT-4 powered data extraction platform for complex multi-year contract analysis—eliminated manual workflows across 3 departments and enabled C-level executives to make data-driven decisions in real-time.

Freelance Staff Software Engineer at Freelance (Self employed), Jul 2023 - Jun 2025 · 2 yrs, India, Developed a conversational AI assistant for a major e-commerce client using Hugging Face and PyTorch, enabling natural language interactions and reducing average customer query resolution time by 25%, leading to an 18% increase in customer satisfaction scores. Architected and deployed a computer vision-based quality control system for an automotive manufacturing client using OpenCV and CNNs, enabling real-time defect detection on the assembly line, resulting in a 30% reduction in defective parts and a 10% boost in overall production efficiency.

Senior Software Engineer at Visa, Apr 2022 - Jul 2023 · 1 yr 4 mos, United States, Engineered Visa’s Stop-Payment API by building Redis-backed idempotency and deduplication into legacy Spring Boot services—eliminated double-spend incidents and elevated SLA adherence to 99.9% across financial partners. Engineered the latency path of Visa’s Faster Payments Gateway—tuned async thread pools, implemented metadata cache layers, and restructured Kafka DLQ flows to consistently meet sub-500ms targets under 20K+ TPS loads.

Senior Software Development Engineer at Intuit, Apr 2021 - Sep 2021 · 6 mos, Remote, Spearheaded the migration of payroll products post-Intuit's acquisition of Paycycle, achieving a seamless integration. Executed a transition to Quickbook Online's infrastructure team, leading multiple projects resulting in a 30% enhancement in system efficiency. Directed the implementation of public Quickbook Online services and JMS message infrastructure, boosting developer productivity by 40%. Pioneered a data pipeline, enabling integration of self-employed product line with Quickbook Online, resulting in a 50% increase in customer engagement. Innovated online billing system with real-time event streaming, public key infrastructure, and GraphQL services, improving system reliability by 25%.

Education

Master's degree, Computer Science, Savitribai Phule Pune University

Bachelor's degree, Computer Science, Savitribai Phule Pune University

Sunil Singh - Senior Staff Software Engineer in Jaipur | Tal