# Ayush Kalani > Software Engineer @ Peregrine | prev: Cruise, PayPal Location: San Francisco Bay Area, United States Profile: https://flows.cv/ayushkalani Machine Learning Infrastructure | LLMs | Distributed Systems Cruise | PayPal | Freshworks | Ex-CoFounder GoAlert As a senior backend engineer with 5+ years of experience in machine learning systems, full-stack development, system design, and architecture for microservice-based distributed cloud applications. I have worked across large scale distributed systems spanning from startups to large enterprises. Some of the tools that I am proficient in - Languages and frameworks - Python, Java, Ruby, Rails, Spring Databases - MongoDB, MySQL, Oracle, Redis, Memcached Web/DevOps Tools: AWS, Docker, Apache Kafka, Nginx, HAProxy, Jenkins, Git, HTML/CSS/JS I regularly participate in hackathons and product ideation competitions. I have won multiple hackathons ranging from developing chatbots to developing smart score calculations. I am an AWS-certified solutions architect associate. ## Work Experience ### Senior Software Engineer @ Peregrine Jan 2025 – Present | San Francisco, California, United States - Embeddings, Search, Ranking, Retrieval, Graphs, and Evaluations of ML Systems - Architected a rewrite of the in-house graph database on PostgreSQL; implemented sharded UUID scheme to encode the data model, ensuring records reside on the same memory pages and reducing query timeouts by 25% - Performance tuning, Distributed Systems, Elastic Search, ingestion pipelines - Python, Sagemaker, Celery, Django ### Senior ML Systems Engineer @ Cruise Jan 2024 – Jan 2025 | San Francisco, California, United States - ML Systems Engineer working on workflow orchestration - ML Platform, ML pipelines, Kubeflow - Shipped several features that improved the scalability, reliability, and observability of the platform. ### Software Engineer @ Cruise Jan 2023 – Jan 2024 | San Francisco, California, United States - Build, CI/CD, Distributed Systems ### Research Assistant @ Cognition and Intelligence Lab Jan 2022 – Jan 2022 • Worked on Novelty Detection and adaptation in open-world Multi-agent Environments funded by DARPA. • Developed an agent which could detect novelties in the context of the Monopoly game without having any pre-notion of the novelties. • Achieved 70.3% accuracy in phase2 Evaluations by USC which was the best among all other universities participated. • TextFooler on GPT-3, Gemini implementation on HumanEval • Applied NLP in language models like GPT3 and BERT using Logical QA dataset and SNLI ### Software Engineer 2 @ PayPal Jan 2020 – Jan 2021 - Working in the Compliance & Risk Platform to report fraudulent transactions to regulators. - Worked in cross geo deployment and migrations of customers across geographies. - Enhancement of platform service features, detecting leaks, and tuning APIs & queries to reduce response times. - Migrated platform codebase and data to China with 0 downtimes and received spot award for completing it. ### Software Engineer @ Freshworks Jan 2018 – Jan 2020 - Ruby/Rails/SQL/Redis/Memcached/AWS/Docker - Built an Apache Kafka Consumer service in ruby, consuming millions of messages by spawning multiple consumer group processes, handling crashes, enabling resiliency, process management using monit, and balancing throughput and latency. Load balancing, partition management and DevOps for this consumer service with tight SLAs. - Developed an optimized algorithm using batch processing that deletes millions of records from the database in a multi-tenant environment for thousands of accounts in a fault-tolerant way without loading active record objects in memory. Deleted 200 million records using this custom algorithm, resulting in 10% reduction in index size which reduced the query time by 12%. - Developed a feature that takes care of all the deleted records by storing them in Recycle Bin and updating all the downstream systems. - Automated customer support flows resulting in automating 80 hours of manual effort as a result, received customer champion award for initiating this. - Integrated slack and improved customs slack apps used by 10k+ sales agents that defined global launch. ### Member of Technical Staff 2 @ Verizon Jan 2018 – Jan 2018 ### Member of Technical Staff @ Verizon Jan 2016 – Jan 2018 - Developed a global hackathon-winning AI-powered chatbot using Kore.ai having context, intent, and entity recognition. Sales agents saved close to 1200 manual hours per month using this chatbot. - Spearheaded full-stack feature development and crud APIs with 100% functional and unit testing. - Designed Jenkins-based CI/CD pipeline and administered configuration on AWS enabling automated deployment. - Large-scale enterprise quoting and billing application using java and springs, handling microservices. - Java/MongoDB/Angular/JavaScript/SQL on a microservice-based architecture ### Research Intern @ MNIT Jaipur Jan 2015 – Jan 2016 | Jaipur -Big data analytics using machine learning algorithms in Apache Hadoop using map-reduce programming on bot net data set. -Big Data Analytics using Multi-Classifier Approach with RHadoop ### Co-Founder and CTO @ Go Alert Jan 2014 – Jan 2015 | Chennai Area, India - Setup infrastructure and monitoring, payment gateway, FacebookOAuth login, and designed push notifications. Supervised and mentored interns and streamlined product development and management. - Constructed data sets for college admission info using web scrapping resulting in 4k+ students registrations. - Lead a technical team of 5 engineers to develop the platform from scratch. - Architecture, Design, and Development of the website using jQuery, JS, and PHP. Developed Robust backend to support mobile app. Handling deployments with orchestrating infrastructure and providing support and maintenance for thousands of users. (Failed but not before having the experience of a lifetime.) ### Software Engineering Intern @ IBM India Jan 2014 – Jan 2014 Project documentation and use of SDLC methodology for UI/UX development used in the delivery of telecommunication products for BHARTI AIRTEL, using PHP and javascript. ## Education ### Master of Science - MS in Computer Science Arizona State University ### B.Tech in Computer Science SRM IST Chennai ### High School in High School/Secondary Diplomas and Certificates India International School Jaipur ## Contact & Social - LinkedIn: https://linkedin.com/in/kalaniayush --- Source: https://flows.cv/ayushkalani JSON Resume: https://flows.cv/ayushkalani/resume.json Last updated: 2026-04-05