Saurabh “Sam” Khawase

Background

I’m Sam Khawase, a Software Engineer. I’m a multi-disciplined professional and I help companies ship great products.

I primarily provide technical solutions to hard business problems, increasing revenue and reducing costs. I have 18+ years of experience delivering mission critical systems using Java, Swift, Python and web technologies. I’ve lived on 3½ continents and worked with truly diverse teams with 20+ nationalities, working across different timezones.

Experience

Cloudflare Inc Engineering Manager, Nov. 2023 - Current

Leading the engineering efforts for Cloudflare Security Center
Driving the efforts to design the architecture and design of the mission critical systems.
Responsible for fine tuning the hiring process, onboarding, coaching, and mentoring the team members.

Momox GmbH, Berlin, DE Lead Software Engineer Feb. 2021 - Dec. 2023

Built a Data Engineering team (9 people at it’s max capacity).
Built a cross-functional Mobile Development team (Android/iOS) spanning 3 brands and 6 apps. (16 people at it’s max capacity).
Responsible for fine tuning the hiring process, onboarding, coaching, and mentoring the team members.
Leading the efforts to migrate the mission critical data warehousing infrastructure to Google Cloud from Amazon RedShift.
Introduced a formal RFC based development model in the teams for better engineering decisions.
Optimized the release management and CI and CD processes for mobile apps.
Formalized the product teams in the conception of the software architecture.
Instrumental in driving new topics forward and support in critical projects.
Leading development of the technical vision and strategy with the members of the Tech council.

Iconmobile GmbH, Berlin, DE
Lead Software Engineer/Software Architect Apr. 2019 - February 2021

Designed and engineered the architecture of the SalonLab App using state of the art design patterns like MVVM, and with extensive test coverage.
Contributed to the architecture of mission critical SalonLab Cloud with scalable microservices using Nodejs, Python, Redis, kubernetes and Azure CosmosDB.
Mobilised a cross-functional team of engineers to create a technical roadmap, vision, and strategy for the SalonLab App and Analyzer IoT Device.
Envisioned the process in tandem with Henkel R&D team to integrate the Machine Learning prediction components into the SalonLab Cloud and the iPad app.
Supervised the Hardware team to streamline the over-the-air Firmware update reducing delivery times by 50%.
Spearheaded efforts to implement source control, continuous integration and peer-reviews using Gitlab, and Gitlab runners.
Implemented best practices in software delivery based on SOLID, peer reviews, SwiftLint, and Jazzy.
Streamlined the mobile app release schedule and implemented seamless continuous delivery using MS AppCenter, Fastlane and TestFlight.
Formalized the QA process to test all the business critical features.
Conceptualised and implemented the strategy to analyze and quantify various app and hardware related actionable KPIs.
Led the recruitment efforts to build a team of stellar developers, both remote and on-site in Berlin.
Lead efforts to create dashboards and reports to document release process across cross-functional teams like backend and Apps.

Software Engineering Consultant · Freelance Software Consultant Feb. 2018 - Apr. 2019

Engineered and mapped large scale, and complex methodologies used in Power Purchase Agreements and Pricing Models across Vattenfall’s various divisions.
Formalized and mapped large scale, and complex methodologies used in Power Purchase Agreements and Pricing Models across Vattenfall’s various divisions.
Spearheaded efforts and ensured strong collaboration and communication across several company divisions and built consensus on product features.
Engineered a KYC dashboard application to serve as a central portal for all KYC operations using AngularJS, Python Flask, PostgreSQL Docker and Azure .
Implemented efficient data pipeline for various heterogeneous data sources, using Python, Pandas, Docker, and, Azure Kubernetes Service.
Conceptualised and architected Feed-As-A-service to process PPA Pricing models using Python, Docker, and Azure Kubernetes Service.
Implemented data pipeline to process Long term forecast data into internal Model Computing Platform using Python, Docker and Azure Kubernetes Service.

Neofonie Mobile GmbH & Storecast GmbH, Berlin, DE (Sr. Software Engineer - August 2014 to January 2018)

Responsible for defining architecture for cross platform Juke apps, using UML diagrams.
Designed and implemented Cross platform shared business logic in C++, enabling 75% code sharing between Android and iOS.
Designed and implemented highly testable and modular iOS UI layer using Swift.
Designed and Implemented secure cryptographic service to encrypt music tracks.
Configured the the project build system to seamlessly build apps for Android and iOS using Conan, Carthage, and Gradle, improving build stability by 50%.
Implemented Database layer using SQLite on C++, reducing code duplication by 80%.
Integrated Google Chromecast SDK to enable streaming to Chromecast.
Setup the continuous Integration and Delivery using Jenkins, TestFlight, HockeyApp improving QA and beta testing feedback.
Mentored junior team members to navigate the complex cross-platform architecture.
Developed cross platform app for Süddeutsche Zeitung using iOS, Xamarin, and Reactive Extensions.
Designed and implemented the middleware service for processing real-time data from several newspaper feeds, using Azure, C#, MongoDB, Postgresql, and NancyFx.
Created iOS SDK for Gigaset G-Tag iBeacon devices used in several mission critical applications.
Implemented climate sensing system for IoT devices (Tessel and RaspberryPi) using Javascript, and Swift.

VisualMeta GmbH Berlin, DE
(Sr. Software Engineer - October 2012 to August. 2014)

Developed the iOS and Windows Phone app for LadenZeile/ShopAlike available in 17 different markets.
Implemented the RESTful API server serving JSON data to the app using Java/Spring.
Implemented high speed HTTP cache using memcached, and varnish.
Implemented in-app cache using Core Data resulting in blazing fast performance of the app.
Iterated the app with interesting new features using BDD with KIF, Kiwi, and Calabash.
Improved conversion rate using Google Analytics, Facebook SDK and custom tracking tool.
Implemented Authentication and Authorization on both server and client side using OAuth.
Designed and prototyped WebSocket + Protocol buffers based binary wire transfer protocol to drastically reduce bandwidth requirement.

Advanced Technologies Group, Des Moines, Iowa (Sr. Systems Engineer October 2011 - October 2012)

Instrumental in requirements analysis and system design leading to low-latency, high-availability, mission critical system for Federal Bureau of Prisons.
Inherited a legacy system and migrated it to have solid test coverage, integration tests, and stability.
Migration of an application from legacy WebSphere to JBoss AS with 0% downtime.
Developed a RESTFul Web Service as host and client for distributed message processing.
Spearheaded the efforts in planning the migration of existing codebases from SVN to Git.
Helped in migration of the build system from CruiseControl to Jenkins reducing build time by 40%.
Mentored junior team members and helped setup peer review process to improve software quality.

Cognizant Technology Solutions, Des Moines, Iowa (Associate Projects January 2006-September 2011)

Lead the team to develop warehouse application improving productivity and reducing backorders by 70%.
Developed a Web based system to create reports from legacy systems and reducing the reporting failures by 85%.
Designed and developed interfaces to external 3rd party applications (e.g PaymenTech, FedEx, UPS) improving system reliability.
Architected and developed a system to seamlessly integrate logistics providers like CH Robinson.
Modernized legacy systems, and Implemented new features for QSP Readers Digest.
Lead the efforts to implement Business Continuity Process mitigating system downtime scenario.
Implemented and designed secure file transfer application to allow communication between heterogeneous systems (Mainframes/AS400/Java/.Net applications).

Education

Bachelor of Engineering (Computer Science 2001 - 2005)
Government College of Engineering, Amravati, India

Undergraduate Coursework: Computer Organization and Architecture. Algorithms, Software Engineering, Artificial Intelligence, Discreet Mathematical Structures, Operating Systems, Databases, Data Structures and Algorithms, Programming Languages, Engineering mathematics, Computer Networking.

Technical Experience

Projects

momox Apps: The complete App suite at https://momox.biz/en/
SalonLab : The Salonlab Smart Analyzer combines, for the first time, hairdresser expertise with data driven insights to provide a truly personalized consultation.
Walkabout: Walkabout is an iOS app that fetches photos from Flickr whenever the user walks 100 meters. This app demonstrates the use of SwiftUI and CoreLocation in action.
PostgREST+Auth0: Turn your Database into a smart RESTful API server with battle tested security!. A step-by-step tutorial to build a secure REST API using PostgREST is included.
Project Juke: Juke is a cross-platform mobile app for eBooks, Music, and video for Juke.com. The UI layer is written in CocoaTouch, and Android SDK. The cross-platform core layer is written in C++ using Dropbox Djinni SDK. (Juke! Music | Juke! eBooks)
Gigaset iOS SDK: The SDK is used to facilitate the development of apps for Gigaset GTag iBeacon devices. iOS, XCode, Objective C, CoreData, Magical Records, Mantle, Cocoapods, Kiwi. (Gigaset GTag App )
Ich Nehm Ab iOS App: INA is a weight management app created using scientific algorithms and research. iOS, XCode, Objective C, CoreData, Magical Records, Mantle, Cocoapods, Kiwi. (App is now defunct)
SZ cross Platform App: The SZ newsreader app was developed in Xamarin SDK using C# and MVMMCross. I also designed and developed the RESTFul API server using C#, NancyFX, and NoSQL DB on Azure cloud platform. (Neofonie Mobile Anchor platform and SZ Plus iOS App)
Ladenzeile/ShopAlike app: Ladenzeile/ShopAlike is a top rated app in 17 different markets with 100000+ downloads. iOS, XCode, Objective C, Java EE, CoreData, Kiwi, Calabash, C#, XAML (Ladenzeile iOS App)
Correction Intelligence Suite (2012). CIS provides a platform for correctional facilities to enter the intelligence data from correctional centres. Microsoft .Net, Windows Server, ASP.Net, MS SQL Server. (Offender Management Suite)
Enhanced Quality Check system (2009 – 2011). Enhanced QC System is used in the warehouse to scan item shipments. Java EE, spring framework, Hibernate, IBM DB2, JBoss AS.
QSP Reader’s Digest (2006 - 2009). QSP helps the school to raise funds. Magazine, Music and Book items are sold through this program. A percentage of the sales revenue is given to the school as its commission. IBM AS/400, RPG, DB2, IBM JDK, and IBM Websphere.

Systems Proficiency

Primary Languages, Technologies and Tools (used last year):

Swift, Python, Java, C, C++, C#
Spring Boot, Swagger, REST, JPA, SQL, JUnit, Cucumber, OWASP
Xcode, Intellij Idea, Android Studio, Git, Instruments, LLDB
Maven, Gradle, Carthage, Conan, CMake, Make
Jenkins CI, Github, Bitbucket, Carthage, Charles mitmproxy, Insomnia
Facebook/Google analytics, Chromecast SDK, Airplay, CommonCrypto
Functional Reactive Programming, SQLite, Cocoa Touch, Core Audio, AVFoundation.
Wildlfy, Vagrant, Docker, Postgresql, Nginx
Trello, Jira, Confluence.
Android SDK, Gradle.

Auxiliary Languages, Technologies and Tools (used in past or on non-regular basis):

Objective-C, Java, Xamarin, Kotlin.
RaspberryPi, Raspbian
Amazon AWS/Digital Ocean/Scaleway
PlantUML
CoreData, iBeacons, Calabash, CoreBluetooth
OpenStreetMap API

Backend Development technologies, and tools:

Java: Java EE, Spark framework, Swagger, JSP/Servlets, EJB3, Spring Boot, JPA, SQL, JSON, REST, PostgreSQL, Hibernate, JUnit

C#: .Net 4.6, .NET Core, NancyFx, LINQ, Azure cloud platform, Reactive extensions for .Net

Python: Flask, virtualenv, pip, SQLAlchemy

Others: Nginx, Docker, Vagrant, PostgreSQL, PostGIS, Jenkins