Yasar Siddiqui

Software Engineer

Noida, Uttar Pradesh, India15 yrs 8 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Led performance improvements for high-traffic applications.
Developed scalable data ingestion frameworks.
Contributed to cutting-edge AI features at Microsoft.

Stackforce AI infers this person is a SaaS-focused Software Engineer with expertise in performance optimization and data engineering.

Contact

yasir06@gmail.com LinkedIn

Skills

Core Skills

Software EngineeringPerformance EngineeringData Engineering

Other Skills

AWSAlgorithm DesignAmazon Web Services (AWS)Anomaly detectionCloud ComputingConsultationCore JavaCustom rendering engineData StructuresElastic SearchFull-Stack DevelopmentJavaJava Enterprise EditionJavaScriptKafka

About

An engineer with a passion for solving real-world problems, experienced in developing microservices for anomaly detection, building data pipelines for log ingestion, transformation, analytics, and machine learning, and creating custom rendering engines in collaboration with Chromium. Proficient in multiple programming languages including Java, Python, C#, Typescript, and C++, and skilled in working with technologies like Kafka, MongoDB, Cassandra, Elastic Search, and cloud services such as SQS, S3, Athena, Lambda, and Auto Scaling Clusters. An active open-source contributor and trained in Prompt Engineering, and artificial intelligence through Udacity’s Nano Degree.

Experience

Microsoft

2 roles

Principal Software Engineer

Promoted

Jul 2025 – Present · 8 mos

Part of the Office AI Incubation Team
Building Office Agents for creating and editing WXP documents
Building domain specific Digital Workers
Partnering on cutting edge AI features and adoption

Principal Software Engineer

Dec 2018 – Jun 2025 · 6 yrs 6 mos

Part of Excel Online Team, during my time, NPS improved of -5 to 45 and current MAU of 6B (2025) from 2B (2021)
Built Custom rendering engine. Delivered incrementally Currently supports 10B renders per day with P95 of under 50ms.
Led Content Latency and Interactive Perf Charter - , improved P95 from 2s to 500ms for 20M ops per day.
Provided Consultation to App Teams like OneNote, TODO, Project, Planner on Perf and Fidelity.
Lead/Member of multiple Org wide Engineering Excellence /Architecture Groups
Provided mentorship and coaching for engineers and EMs across all Levels.

Custom rendering enginePerformance optimizationConsultationMentorshipSoftware EngineeringPerformance Engineering

Expedia, inc.

Software Engineer

May 2015 – Dec 2018 · 3 yrs 7 mos · Gurgaon, India · On-site

Log ingestion framework from various AWS accounts various sources like ELK, Splunk, Windows logs for security focused anomaly detection. Ran aggregations on the metric and surfaced via Elastic Search.
Worked on migrating anomaly detection from Spark based jobs to a multi-threaded Java App
backed by Kafka pipeline. Highly scalable- 40 nodes cassandra over 2 TB data processed per
hour
Worked on creating a common agent tool for customer service across all brands - used
Lambda and Step functions for orchestration of workflows

Log ingestion frameworkAnomaly detectionKafkaElastic SearchData EngineeringSoftware Engineering

Amazon

Software Engineer

Sep 2014 – May 2015 · 8 mos · Greater Chennai Area

Part of the Kindle File SDK Team, major contributions include enhancing build pipeline and test framework.

Tata consultancy services

Software Engineer

Jul 2010 – Sep 2014 · 4 yrs 2 mos · Pune

Worked for Vodafone, Major contributions are in Implementation of Mobile Number Portability (MNP), Centralized Point of Sale (cPos) and mobile wallet (mPesa)