Nikhil Losalka

CTO

Hyderabad, Telangana, India12 yrs 8 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Over 12 years of experience in software engineering.
Expertise in distributed systems and data engineering.
Proven track record of leading complex projects.

Stackforce AI infers this person is a Backend-focused Software Engineer with expertise in E-commerce and Advertising sectors.

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Skills

Core Skills

Distributed SystemsData EngineeringMobile Application DevelopmentBackend Development

Other Skills

API DevelopmentAPI IntegrationAWSAWS LambdaAmazon EKSAmazon Web Services (AWS)Android DevelopmentAndroid SDKAngularApache AirflowApache KafkaApache SparkCC++Cassandra

About

Experienced Software Engineer with over 12 years of expertise in startups, e-commerce, and advertising. Before joining Apple, I worked at Oracle, Snapdeal, and Teksystems. Proficient in Distributed Systems, Data Engineering, Backend Development, and Mobile Application Development with a tech stack including Scala, Java, Android, Spring, SpringBoot, Docker, Kubernetes, AWS, MongoDB, Oracle, Cassandra, Luigi, Apache Airflow, Apache Kafka, Apache Spark, MapReduce, and Hadoop. Currently, I lead projects from initial business engagement through design, architecture, execution, coding, and deployment, while also serving as a Technical Lead Manager.

Experience

Apple

Technical Lead

Oct 2018 – Present · 7 yrs 5 mos · Hyderabad Area, India

Publishing Platform Enhancements
Owned, architected, and developed highly scalable Authoring and Vending Systems ground up, sustaining 5K+ real-time RPS with consistently low latency.
Spearheaded diverse business and technical initiatives, driving end-to-end ownership and delivery.
Built super critical business focussed high-scale, compute-intensive batch jobs using AWS SQS, DLQ, and AWS Lambda to handle large catalog datasets handling fallbacks and scale.
Developed a reusable Job Management Framework to orchestrate batch workflows for the Authoring layer and beyond used by all the Batch Jobs implemented as part of this newly designed system.
Designed and integrated solutions for push-to-production pipelines, ensuring reliable, safe deployments for the Vending Services navigating the complex dependencies of push limitations and broader PushService complexity.
Planned and executed Active-Active and Passive-Active data centre cutovers for the Vending layer, aligning with broader org modernisation and overcoming complex upstream/downstream service dependencies with deployments.
Rearchitected one of the critical P0 services for E-Commerce Publishing System team which manage complex product data, attributes, pricing, and configurations for multiple global storefronts.
Directed and mentored several engineering teams (4–6 members each) to deliver complex projects on time.
Managed multiple agile teams of 4–6 engineers, driving product development from concept to launch.
Publishing Platform (StoreFront Management)
Worked within the Publishing Platform, focusing on Catalogue Management, Authoring, and Vending services — critical components powering Apple’s global e-commerce storefronts.
Designed, re-architected, and improved high-scale flows that manage complex product data, attributes, pricing, and contextual configurations, supporting millions of product combinations.

Distributed SystemsData EngineeringBackend DevelopmentMobile Application DevelopmentAWSDocker+4

Oracle

Senior Software Engineer

May 2017 – Sep 2018 · 1 yr 4 mos · Hyderabad Area, India

Led design and development of multiple mission-critical modules, architecting systems from the ground up for a high-scale DMP serving top global advertisers.
Designed and implemented distributed data pipelines to batch process billions of pixel events daily, ingested in near real-time via Kafka (2 TB of data generated every 1 hour)
Built and orchestrated Spark Streaming jobs for real-time data structuring and transformation, with storage on HDFS for scalable downstream analytics.
Developed robust hourly and daily Spark jobs for data compaction, efficiently pushing aggregated datasets into Oracle RAC for analytics and ML pipeline consumption.
Engineered resilient backfilling and replay mechanisms to guarantee data integrity and automate recovery from failures.
Evaluated, benchmarked, and implemented workflow orchestration with Apache Airflow and Luigi to handle complex, interdependent ETL processes at scale.
Optimized for high throughput, fault tolerance, and efficient resource utilization across the data processing stack.

Data EngineeringApache KafkaApache SparkOracle RACApache AirflowLuigi+1

Snapdeal

2 roles

Senior Software Engineer

Promoted

Nov 2016 – May 2017 · 6 mos

Snapdeal is one of the top online marketplaces in India.
Re-architected critical flows for the Android mobile app to improve performance and scalability.
Reduced mobile app load latency to under 2 seconds by optimising pre-caching strategies and memory management.
Implemented MVP architecture and rewrote API call handling, resulting in significant boosts to app stability and responsiveness.
Collaborated closely with backend teams to design and integrate efficient, scalable APIs for the mobile app.
Managed, architected, and led development and testing of key mobile app features and enhancements.

Android DevelopmentAPI IntegrationPerformance OptimizationMobile Application DevelopmentBackend Development

Software Engineer

Jun 2015 – Oct 2016 · 1 yr 4 mos

Designed the architecture for critical features such as Recent Search, Flash Sale, and other high-impact modules.
Developed lightweight, high-performance backend mobile APIs to make the app faster and reduce feature execution time.
Led deep analysis of multiple user flows using various approaches to identify performance bottlenecks and optimize them.
Optimized key components including Infinite Scroll for Product Listing, Recent Search, Banner Scroll on the Home Page, and several other major flows.

Backend DevelopmentAPI DevelopmentPerformance Analysis

Teksystems

3 roles

Software Engineer

Promoted

Jun 2014 – Jun 2015 · 1 yr

Sole owner and lead developer for 4 Android applications and its backend CRUD APIs, managing full product lifecycles from business requirements to development, validation, and production deployment.
Implemented a config based approach ending up redesigning the entire backend code with a much crisp light weight code base able to handle the scale.
Architected and implemented critical features under tight timelines, consistently delivering high-quality releases.
Extracted and modularised common code to ensure maximum reuse and maintainability across multiple apps.
Re-architected API integrations using Volley, improving performance and standardising network calls.
Decoupled tightly coupled modules, resulting in easier maintenance, faster releases, and reduced regression issues.
Proactively analysed and optimised performance bottlenecks across applications.
Recognized with multiple awards and a promotion for extraordinary contributions, fast project delivery, and impactful engineering optimisations.

Android DevelopmentBackend DevelopmentPerformance OptimizationMobile Application Development

Associate Software Engineer

Jun 2013 – Jun 2014 · 1 yr

Intern

Mar 2013 – May 2013 · 2 mos

Designed and developed a fully functional, production-ready Sudoku game for both iOS and Android, with the ability to save and resume gameplay midway.
Implemented several advanced features to enhance user experience and engagement.
Built a lightweight backend API to persist and retrieve game state efficiently.
Owned the complete lifecycle from concept to development, ensuring the game was robust and ready for real-world use.