Low-Latency C++ Systems Engineer

Rohit Raj

+91-911******* *.**********@*****.*** linkedin.com/in/rohitrajupes

EDUCATION

UNIVERSITY OF PETROLEUM

& ENERGY STUDIES (UPES)

B.Tech in Computer Science

Graduated: May 2020

Cumulative GPA: 7.68/10

DAVPUBLICSCHOOL,PATNA

Higher Secondary Certificate

Completion Year: 2015

Percentage: 72.0

SJHS, PATNA

Secondary School

Certificate

Completion Year 2013

Cumulative GPA: 9.2/10

COURSEWORK

Algorithms + Data Structures

Object Oriented Programming

Computer Architecture

Operating Systems

Database Management Systems

TRAINING

INFOSYS Sep 2020 - Jan 2021

• Developing and managing front-end

for enhanced and clearer user

experience for web applications

• Exposure : Angular, Bootstrap,

HTML, CSS, JavaScript, Git, Jenkins,

Java Core, Database(SQL)

SKILLS

Languages:

• C • C++(11/14/17)

• Java

Tools:

• Android Studio • Visual Studio

• Git • Gerrit

• JIRA • Perforce

• MySQL • OpenCV

Technologies:

• SQL • Linux

• Concurrency

• Low-Latency C++

• Multithreading

System Design:

• LLD • HLD

EXPERIENCE

SAPIENS Software Developer

September 2024 - Ongoing Bengaluru, IN

• Building and optimizing CoreSuite’s insurance policy logic (valuation, arrears, diary events, benefit rules) for UK & US customers.

• Reduced policy retrieval & calculation latency by 20–25% via C++ refactoring and SQL optimization.

• Implemented new product rules & compliance logic, improving underwriting accuracy by 30%.

• Enhanced ARecordset data-access layers with cleaner abstractions, caching, and faster DB hydration.

• Exposure : Modern C++, JIRA, Confluence, Git, SQL, Distributed Systems SAMSUNG R&D Software Engineer

February 2021 - September 2024 Noida, IN

• Core developer for Messaging Services, IMEI Tracker, and OS-level service modules for Galaxy devices.

• Achieved 70% faster phone-watch message sync via low-latency C++ optimizations.

• Led real-time messaging system optimization, reducing end-to-end message delivery lag by 25% using event-driven architecture and low-latency C++ development.

• Integrated Google’s CBR testing app into Samsung devices, enabling real-time CMAS alert validation for millions of users globally with high availability and low-latency processing.

• Worked in a cross-functional team to design and launch 1 major projects named OneCloud

• Exposure : Android Studio, C++, Java, Git, P4V, JIRA, Gerrit, Amazon Web Services (AWS), Low-Latency Development, Distributed Systems NEWZERA Full Stack Developer Intern

July 2020 - September 2020 Indore, IN

• Developed front-end for interactive applications, enhancing user experience and designed a task assignment tool for streamlining workflows and traceability.

• Exposure : React-js, HTML, CSS, JavaScript, Git

IB ARTS PVT LTD. Web developer Intern

March 2019 – August 2019 Jharkhand, IN

• Performed front-end as well as backend development for interactive web applications to improve functionality and user experience.

• Designed and implemented a chatting website which lets the people to connect within it’s organization.

• Exposure : CPanel Server, Wordpress, HTML, CSS, Bootstrap, Payment Gateways

AWARDS & ACHIEVEMENTS

Scored 100/100 SWC Professional Exam (Samsung)

Scored 100/100 SWC Advanced Exam (Samsung)

1773 Ratings Leetcode: preacher_20

Top 100 / 167000+ Finalist at HackWithInfy 2.0 (Infosys), received pre-placement offer

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