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Staff Software Engineer & Tech lead for Service Discovery @Meta (in Core Infrastructure)

Apache Zookeeper.

Software Engineer

Microsoft

Shipped Windows 10 Photos app ( C++ )
- Designed and implemented image analysis pipeline. This pipeline brings together various imaging algorithms together and also supports versioning.
- Performance improvements of as much as 4x across various components of the analysis pipeline.
- Solely architected the app to support multiple windows in the Photos app.
- Integrated edit pipeline from windows 8.1 Photo editor into the viewer to show users enhanced version of their photos.
- Created an internal first party API to allow other apps to use the crop control in the Photos app.
- Worked with multiple teams in windows platform to get new features added to improve Photos app. 
- Mentored junior developers.
- Connected OneDrive album experience with Photos app album experience allowing users to manage or publish albums to OneDrive.
- Added album share so that users can share their favorite albums with friends and family.
- Working on getting more features in for the Photos app.

Software Development Engineer II

Shipped windows raw codec as part of windows update on windows 8.
- Performance improvements on arm 
- Deployment schema for windows update.

Photo Editor - Windows 8.1 Photos app. ( C++ 11, Direct2D, SIMD, XAML, PPL)
- Core member for the design of image editing effect pipeline, rending engine and a variety of edit features.
- Added the direct2d rendering engine in the photo editor.
- Performance improvements for edit features using vectorization and multi core programming.
- Ensured 30FPS on most devices.
- Added image straighten, blemish removal + local area pixel fix engine, revamped crop & selective focus and other contributions

Video Trim - Windows 8.1 Photos app. ( C++ 11, XAML, PPL)
- Implemented the complete video trim feature for the photos app.

Camera - Windows 8.1 Camera App ( C++ 11, PPL, XAML)
- Improved startup performance by more than 50%
- Improved performance of other core scenarios by significant amount.
- Feature contributions.

Stood up a TFS + git based build system for the team.

Software Development Engineer

Georgia Institute of Technology

Worked on web applications for marketing studies. (Php, MySQL)

Web Developer

Added Auto Collage in Windows Photo gallery. (C++, COM)

Software Development Intern

I am a Staff Engineer & Techlead at Meta. I have 
- Mentored many senior & staff engineers and managers. 
- Designed & built multiple systems with critical focus on scalability & reliability. 
- Solved many cross team & organization misalignments with my inter-personal skills. 

I love writing about the importance of soft skills combined with stories from my 10+ years of experience. If this interests you, follow me and subscribe to my newsletter Techlead mentor.

If you are looking for guidance on navigating your career ladder, you can reach out to me.

Raviraj Achar

Zscaler

DevOps Architect

Bluebeam, Inc.

Software Architect

Recharge Payments

-   Participated in the Architecture Board, which governed best practices, cross-cutting concerns, and technical proposals
-   Introduced a Software Development Life Cycle (SDLC) to address quality issues and reduce production incidents by 90%+
-   Led the organization of the first Architecture Summit to discuss high-level concerns and processes
-   Increased batch job processing throughput by 4x through hands-on troubleshooting and developer coaching
-   Designed API throughput performance improvements for a 10-15x reduction in deployment resources and related costs
-   Mentored engineers by sponsoring technical designs, offering career guidance, and enhancing technical skills
-   Promoted methodologies for performance testing and data-driven decision making
-   Developed strategies and systems for decomposing a monolith into microservices
-   Collaborated with the event bus team on designs for eventing and serverless functions
-   Improved testing frameworks and guided developers on Test Driven Development (TDD)
-   Worked with the Security Team to address security concerns and implement secure coding practices
-   Utilized Python, Google Cloud Platform/Functions, API First designs, Microservices, Dapr, Redis, Docker/container images, Kubernetes, MySQL, and ElasticSearch

Principal Engineer/Software Architect

Pulse Secure

- Served on the Architecture Board, responsible for determining overall software architecture and development practices
- Architected and led a team for the development of a Zero Trust microservice platform
- Coordinated security hardening, evaluation, and best practices for most Python-based software
- Designed and led the development of the Python framework at the core of most of the company's Python software
- Designed various features, including authentication token management, multi-tenancy, WebSockets, event messaging, RBAC, user management, certificate management/PKI, OpenAPI adoption, Docker image builds, Postgres migrations, async function queues, and inter-service APIs
- Advocated for Python Best Practices, API design, Test Driven Development, Continuous Integration, and Continuous Delivery
- Maintained several open-source projects core to the company's Python frameworks
- Coordinated Python 2 to Python 3 conversion of many microservices
- Utilized Python, Azure, AWS, Kafka, Redis, Kubernetes, Docker/containers, Postgres, MySQL, Nginx (Lua), OpenAPI, AsyncAPI, Terraform, MongoDB, and ElasticSearch

Principal Engineer/Architect

- Leader of team that converted newly acquired MobileSpaces's Mobile Device Management (MDM) software to Pulse Workspace
- Architect for Pulse One, a VPN server manager and orchestrator that is Docker based, SaaS and On-premise
- Team lead for conversion of Pulse One from a SaaS solution to a cluster-able, on-premise solution within 6 months. Its Docker based architecture can be installed on custom VPN hardware or ran in VMware

Senior Staff Engineer/Server Architect

Various startups and consulting roles

Through many years of software engineering, I gained a broad range of experience from various startups, consulting companies, and open-source projects. I've deployed to every major cloud hosting provider. I've been hands-on with every major programming language. I have developed SaaS, on-premise, desktop, and mobile applications. Some notable highlights include:

-   Co-founding a software contracting agency called Massive Forge, where we developed multiple applications using Python and Javascript. A client acquired the company.
-   Software Architect Consultant for several Hong Kong-based startups, including Libbler and Pingspot, where I developed applications using Python, Javascript, MongoDB, Redis, AWS, and iOS.
-   MapMyFitness (acquired by Under Armour), a fitness tracking SaaS and mobile app, where I primarily developed with Python and Django. I also worked with Hadoop, Cassandra, and Java for analytics.
-   Zenoss, IT monitoring software, where I designed a new event processing and service monitoring suite as part of a project to convert the software from Python to Java.
-   A fintech startup called Bancvue Interactive (now known as Kasasa), where I developed SaaS products for community banks and credit unions.

Additional Software Engineer Experience

Pingspot

Pingspot (http://pingspot.com/) was "A fun, new way to record and recommend your favorite businesses.". It's an iOS application with a Python backend. For Pingspot I developed the mobile application as well as designed and developed the backend. The app graphics were designed and created by Catchlight Productions (http://www.catchlight.com/).

Technologies used: Python with Flask and Celery, MongoDB, Redis, Foursquare API, Facebook API, iOS SDK, Heroku, Cloudinary

Software Architect Consultant

Libbler

Libbler (http://libbler.com/) is "The ultimate career launchpad for entry level professionals. Features include: resume builder and guide, comprehensive employer database for graduate, internship, entry level opportunities and practical industry advice to help develop career skills.". 

I designed and developed the original libbler.com from top to bottom -- except for the graphic design.

Technologies used: Python with Flask and Celery, Spine.js, Coffeescript, MongoDB, Redis, Oneall single-sign-on, Heroku and AWS

Massive Forge

A software contracting agency that I started with my business partners. We developed several applications, primarily with Python and Javascript. The company was acqui-hired by a client.

Co-Founder/CTO

MapMyFitness

- Maintained and developed new features for primary website platform using Python/Django and MySQL
- Developed new API platform using Python and Flask while utilizing Django ORM
- Developed new live race tracking platform using Flask and integrated with remote tracking services using Python and RabbitMQ
- Created APIs for mobile developers to integrate with race tracking
- Maintained fitness statistics reporting engine using Hadoop, Cassandra, and Java
- Created and maintained new unit test infrastructure using py.test
- Developed continuos build solution for development virtual boxes using VirtualBox, Vagrant, and Python

Senior Software Engineer

Zenoss, Inc.

Zenoss provides dynamic system monitoring for IT services across physical, virtual, and hybrid cloud infrastructures. The core of Zenoss is open source and built on Zope/Python, Ext JS, and MySQL.

- Helped wrap up development of UI refresh for 3.0 release
- Developed Dynamic Service View using Flex and yfiles
- Use Agile methodologies for software development
- Design new event processing and service monitoring suite which uses Java, RabbitMQ, SOLR/Lucene, and Neo4j.

🔸Unpacking Software Architecture

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The Battle

Raviraj Achar

Mike Thornton

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