Divakar Mantri

CTO

Bengaluru, Karnataka, India6 yrs 7 mos experience

Most Likely To Switch

Key Highlights

Expert in Java and C++ with telecom and e-commerce experience.
Developed scalable solutions for millions of users.
Proficient in building microservices and cloud infrastructure.

Stackforce AI infers this person is a Backend-heavy Fullstack Engineer with expertise in E-commerce and Telecom sectors.

Contact

divakarmantri78@gmail.com 8005909690 LinkedIn

Skills

Core Skills

JavaMicroservicesBig DataC++3gpp

Other Skills

Amazon Web Services (AWS)Analytical SkillsApache DruidApache KafkaApache SparkBoost (C++ libraries)C (Programming Language)Competitive ProgrammingCouchbaseElasticsearchGoogle Cloud Platform (GCP)HIVEKubernetesMicrosoft AzureMongoDB

About

I am a tech-oriented guy working on mastery of self and propagating the knowledge to others. Having worked on e-commerce and telecom domains so far with expertise in Java, C++, and have hands-on with Distributed Systems, SQL and NoSQL Databases, and have worked extensively on HLD and LLD. From building a 5G infra from scratch at Alepo Technologies to creating better recommendations for the seller platform at Flipkart, I have close to 4 years of experience.

Experience

Samsung r&d institute india - bangalore

Lead Engineer

Apr 2024 – Present · 1 yr 11 mos · Bangalore Urban, Karnataka, India · Hybrid

Halodoc

SDE-2

Oct 2023 – Mar 2024 · 5 mos

Jio platforms limited (jpl)

SDE-2

Feb 2023 – Oct 2023 · 8 mos · Bangalore Urban, Karnataka, India · On-site

Invoice service is responsible for Invoice creation based on shipment details, payment details and tax applicable on the Item. It also handles commercial for shipping charges, COD, platform charges and Instant discount. Integrated AJIO and JioMart B2B. Scaled to 1.5 million monthly users.

Systems DesignSpring BootJavaMicroservicesKubernetesAmazon Web Services (AWS)+1

Flipkart

SDE-1

Apr 2021 – Feb 2023 · 1 yr 10 mos · Bengaluru, Karnataka, India

Seller Recommendations - Generated out of stock/low stock, low price, new product recommendations as per seller profile, scaled for 1 million sellers.
Selection Design Score - Built Bigdata pipelines using HIVE and Apache Spark for comparing search results with other ecommerce competitors for 50 million products per week.
Value Engineering Recommendations - Automated computation of similar looking child items for good performing products available on platform using ML-ready image similarity models and fuzzy-matching techniques.
Tech Improvements - Designed helm charts for migrating Apache Airflow with celery executer from VM to Kubernetes. Migration of services from flipkart data center to Google Cloud Platform.

JavaC++Spring BootApache SparkElasticsearchMySQL+4

Alepo

2 roles

Research Development Software Engineer

Nov 2019 – Apr 2021 · 1 yr 5 mos

5G Telecom libraries - Worked on creating high througput C++ libraries using open source projects like nghttp2, RapidJSON, freeDiameter, couchbase-sdk, OpenSSL and Boost for use in 5G applications.
5G Telecom Microservices -
Created APIs and microservices for subscriber-data management and data encryption/decryption in C++.
Created diameter to http2 protocol converter, made async using ioservice from boost::asio.
Created subscriber-data denormalization service for sync up between serving layer and UI.
Load testing through h2load and debugging through valgrind.
Created solutions for Schema transformation for 4G-5G networks interworking.

3GPPC++C (Programming Language)Boost (C++ libraries)JavaNode.js+4

Training Developer

Jul 2019 – Nov 2019 · 4 mos

C99 Legacy Products - Added VoWifi feature and fixed bugs on server side of legacy telecom products AAA(Authentication Authorization Accounting) and PCRF(Policy and Charging Rules Function).

C++C (Programming Language)Java