Sagar Vakkala

Software Engineer

Tokyo, Japan8 yrs 3 mos experience
Most Likely To SwitchHighly Stable

Key Highlights

  • Led development of core data service for ground systems.
  • Organized international hackathon with 1300 participants.
  • Transformed legacy systems to microservices architecture.
Stackforce AI infers this person is a Backend-focused Software Engineer with experience in Aerospace and Non-profit sectors.

Contact

Skills

Core Skills

Software DevelopmentSystem ArchitectureMicroservicesTechnical ConsultationTeam ManagementSoftware ArchitectureBack-end Web Development

Other Skills

Go (Programming Language)gRPCKubernetesGoogle Cloud Platform (GCP)Python (Programming Language)GitJapaneseLeadershipPublic SpeakingResearchStrategic PlanningAndroid DevelopmentJavaNodeJSC

About

Github: https://github.com/ionicc

Experience

8 yrs 3 mos
Total Experience
2 yrs 3 mos
Average Tenure
3 yrs 8 mos
Current Experience

Synspective inc.

2 roles

Senior Software Engineer

Promoted

Aug 2024Present · 1 yr 9 mos · Tokyo, Japan · On-site

  • Primarily working on building our Sub-Control systems, this implies: Mission Planning, Bus Planning, Command Generation, Orbit Control and regeneration and Orders management.
  • Leading the design and development of a novel integration testing suite for the entirety of ground control systems using test-containers framework on top of the testify package in Go, orchestrating all critical services to replicate the tech stack locally and on CI.
  • Leading the development of the core data service "Datahub" deployed on k8s, written in Go with gRPC wrapping Google's Datastore. Services the entire ground controls systems.
Go (Programming Language)gRPCKubernetesGoogle Cloud Platform (GCP)Software DevelopmentSystem Architecture

Software Engineer

Oct 2022Aug 2024 · 1 yr 10 mos · Tokyo, Japan · On-site

  • Led the development of the pivotal data service "Datahub" utilizing Go, gRPC and Google's Datastore. Focus on advanced concurrency strategies for managing high volumes of inbound traffic, designed to be database agnostic. Currently serving as the core data service for the entire ground systems stack.
  • Identified and addressed inefficiencies in the "Ground systems" microservices stack. Initiated and led the transformation of entity handling systems, replacing JSON with Protobufs and gRPC, resulting in enhanced communication efficiency.
Go (Programming Language)gRPCKubernetesGoogle Cloud Platform (GCP)MicroservicesSoftware Development

Zeals

3 roles

Technical Lead of Messaging Systems

Oct 2022Apr 2026 · 3 yrs 6 mos

  • On a contractual basis, maintaining the legacy core messaging system “FanP”.
  • Managing a team of 3 Python engineers to ship bug fixtures and multiple performance enhancements patches for the core delivery systems.
Python (Programming Language)Technical ConsultationTeam ManagementSoftware Architecture

Software Engineer

Apr 2020Oct 2022 · 2 yrs 6 mos

  • Designed, coded, and maintained Zeals' core content delivery systems, which seamlessly handle over 150,000 conversations daily. The systems were primarily developed in Python and Golang.
  • Conceptualized and redesigned parts of core monolithic python-based delivery system to microservices in Go, Causing an improvement of 30% in message response times.
  • Designed and configured Telemetry (with Datadog) for the core microservices stack. Through this, I built robust metrics dashboards and alerts which are now used extensively by the business and development end of the company.
  • Developed a RaaS (Repository as a Service) load testing tool for QA, enabling on-demand scalability tests through issue creation and comments in a GitHub repository.
  • Collaborated in the development of an incident management system and spearheaded the formation of a dedicated team to swiftly diagnose system breakdowns across the company's tech infrastructure, resulting in a 50% faster resolution of bugs and technical issues.
Python (Programming Language)Go (Programming Language)KubernetesSoftware ArchitectureGoogle Cloud Platform (GCP)Software Development

Software Engineer Intern

Jan 2020Apr 2020 · 3 mos

Python (Programming Language)Go (Programming Language)Git

Hack against covid

Creator and Lead Organizer

Apr 2020Sep 2020 · 5 mos · Global

Github

Campus Expert

Mar 2020Mar 2022 · 2 yrs · Chennai, Tamil Nadu, India · Remote

  • - Conceptualised and Created HAC - HackAgainstCovid. Which was an international online covid-19 centric Hackathon with 1300 participants worldwide. This was done with the support of Github.
Git

Lrde (electronics radar development establishment), drdo

Machine Learning Intern

Jun 2019Jul 2019 · 1 mo · Greater Bengaluru Area

  • Enhanced SAR image quality and resolution (along with noise reduction) using generative adversarial networks [SRGAN (Super Resolution), ESRGAN (Enhanced super resolution) , etc].
  • Explored different solutions to arising low-quality images such as GANS, ConvNets, AutoEncoders, etc.
  • Built and prototypepd ML models on Keras, Tensorflow with the stack deployed through Tensorflow-serve.
  • Observed exceptional noise reduction along increment to macro details.
Python (Programming Language)

Research centre imarat (rci), a part of drdo

Deep Learning Intern

Dec 2018Jan 2019 · 1 mo · Hyderabad Area, India

  • Optimised existing features on advanced environment recognition & path navigation for independent airborne vehicles using deep learning
  • Conducted a comparative study between different inference speeds TensorFlow (C++ Api), Caffe, Darknet and Pytorch to conclude the best framework.
  • Built model on the C++ API of Tensorflow and was built with the primary intention of running on an Embedded board; confirmed a positive response of the model on the custom board.
Python (Programming Language)

Hack for social good

Core Organiser

May 2018Jul 2018 · 2 mos · Greater Chennai Area

Codezoned

Founder

Feb 2018Mar 2021 · 3 yrs 1 mo · India

  • Codezoned is an Open source non-profit organisation which is geared towards educating and spreading it's core belief 'Learning by doing' by making college and school students to contribute to opensource. We develop FOSS for NGOs, Conduct Hackathons across colleges and organisations and give digital literacy education to less privileged children.
  • Big Hackathons conducted:
  • HAC (HackAgainstCovid) Hackathon
  • Sponsors: Github, MLH and 20+ others.
  • HAC was a completely online 2-day hackathon with 1500 participants from all over the world. The top 20 teams were given opportunities to get their ideas incubated by SPI Accelerator, Chennai. This event was a great success due to the great people in the team who made it happen. On behalf of the team, I also thank all of our sponsors and partners for helping us make HAC happen.
Python (Programming Language)Back-End Web Development

Spi cinemas private limited

Full Stack Developer Intern

Sep 2017Feb 2018 · 5 mos · Greater Chennai Area

  • Designed and developed an Android application using Java to enforce a proper workflow in SPI Corporate.
  • Designed backend on NodeJs with Express.Js and Socket.io for seamless logging activities.
  • Location tracking and client side authorization of Wi-Fi nodes on the campus to verify the employee’s location during work hours.
  • In-house chat feature powered through web sockets.
  • The Android application was deployed on specific teams for a trial run and then later improved by the In-house developers of SPI.

Telestax

Software engineering Intern

May 2017Jul 2017 · 2 mos · Pune Area, India

  • I worked on RestComm's Android SDK, Fixing bugs and adding features. I also worked on adding features and functionalities of Restcomm's sample apps to showcase the usage of the SDK. The main sample which we worked on was the Olymmpus app. Olymmpus is a video calling app using the SDK which is binded to the online RestCOMM API.

Education

The University of Texas at Austin

Master of Science — Computer Science

Apr 2026Sep 2028

SRM IST Chennai

Bachelor's degree — Computer Science

Jan 2016Jan 2020

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