Sahitya Krishna Tummala

Software Engineer

Hyderabad, Telangana, India7 yrs 8 mos experience
Most Likely To SwitchHighly Stable

Key Highlights

  • Expert in developing scalable microservices for e-commerce.
  • Proven track record in optimizing system performance during peak times.
  • Strong background in networking and containerization technologies.
Stackforce AI infers this person is a Backend-heavy Fullstack Engineer with expertise in E-commerce and Networking.

Contact

Skills

Core Skills

MicroservicesSystems DesignNetworking

Other Skills

Low LatencyHigh ThroughputScalingTier-1 SystemsDockergRPCPythonCNN OptimizationHalide LanguagePAPIJavaCAlgorithmsProgrammingInternet Protocol Suite (TCP/IP)

Experience

7 yrs 8 mos
Total Experience
3 yrs 10 mos
Average Tenure
5 yrs 1 mo
Current Experience

Amazon

3 roles

SDE 3

Mar 2025Present · 1 yr 3 mos · Hyderabad, Telangana, India

SDE 2

Sep 2022Feb 2025 · 2 yrs 5 mos · Hyderabad, Telangana, India

  • Works with an international expansion team, which involves expanding Amazon's shipping business to other countries and solving complex problems in the process.

SDE 2

Mar 2021Aug 2022 · 1 yr 5 mos · Hyderabad, Telangana, India

  • Responsible for microservices that fulfill shipment requests for every package that is ordered worldwide. Worked on creating new low latency and high throughput microservices to replace the old legacy services. Played a crucial role(Peak Captain) in scaling Tier-1 systems(1100 TPS) during Q4 Peak 2021.
MicroservicesLow LatencyHigh ThroughputScalingTier-1 SystemsSystems Design

Vmware

Member Of Technical Staff 2

Feb 2021Mar 2021 · 1 mo · Bengaluru, Karnataka, India

Juniper networks

Software Engineer 2

Jul 2018Feb 2021 · 2 yrs 7 mos · Bengaluru, Karnataka, India

  • 1) Migrated a Juniper’s native network configuration management micro-process running on a FreeBSD based system to a Linux based docker container (CMGD). Additionally, develop and enhance it to integrate with an application which comprises of many GRPC and REST microservices. These microservices consume config from Redis DB
  • and Pub-Sub events published by CMGD
  • 2) Worked on a micro-service from the ground up where multiple nodes/routers in the data centre have to have persistent connection with the network/cloud management system. Used GRPC and Python to build server-client infrastructure and TLS for encryption and security. Built on HTTP 2 for persistent connections and Telemetry
DockergRPCPythonMicroservicesNetworking

Samsung r&d institute india - bangalore private limited

Software Developer Internship

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

  • Optimized CNN models to consume less power on mobile platforms (mobile GPUs) and to improve cache hit ratio
  • Modeled CNN using halide language, Reduced reads and writes to memory by measuring cache hit ratio and
  • maximizing it, Image tiling Techniques are used to maximize cache hit ratio, Calculated the optimum tile sizes
CNN OptimizationHalide Language

Education

Indian Institute of Technology, Kanpur

Bachelor's degree

Jan 2014Jan 2018

Sri Chaitanya College of Education

High School Diploma

Jan 2009Jan 2014

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