Software Engineer Data

Sourav Mangla Email: ************.****@*****.***

Dallas, Texas Mobile: +1-520-***-****

Experience

Samsung Electronics America (Employer - L&T) Dallas, TX Data Engineer Jun 2023 - Present

• Designed and maintained AWS-based ETL pipelines using PySpark to process high-volume control and signaling data from base station every 15 minutes, supporting near-real-time network monitoring for Verizon and Boost (Dish).

• Automated ingestion, transformation, and storage of cell-level radio message data from USM(Unified System Manager), storing curated outputs in Parquet format on Amazon S3 for scalable access.

• Collaborated with RAN SMEs to define data requirements, validate message mappings, and ensure alignment with operational KPIs across multiple telecom carriers.

• Enabled fast, self-service data exploration via Tableau dashboards through Apache Drill, improving visibility into base station message flows and network anomalies.

Mavenir Dallas, TX

Software Engineer Intern May 2022 - Aug 2022

• Rewrote in-house data obfuscation tool to increase runtime by 35 percent compared to previous implementation.

• Utilise tools, such as network mapper to scan the target IPs, iptables as a firewall, and Auditd to track a system event. University of Arizona, Computer Science Department Tucson, AZ Graduate Teaching Assistant Aug 2021 - May 2023

• Assisted computer science professors with coursework and exams, supporting timely completion of semester goals across topics like OS, DBMS, and Data Structures.

• Efficiently handled multiple tasks, contributing to a 15% student grade improvement and positive professor feedback. ZFunds Delhi, India

Software Engineer Sept 2019 - Aug 2021

• As a core technical member at ZFunds, a fast-growing fintech startup, I led the development and maintenance of frontend, backend, and cloud services, playing a key role in the product’s growth and the company’s expansion.

• Integrated BSE’s REST & SOAP services, India's largest stock exchange, to create our cart and payment services in Node.js and AWS.

• Built a Node.js commission service that streamlined processes to cut 95% of manual work for mutual fund specialists.

• Automated verification of customers' KYC by creating dynamic PDFs using their uploaded documents and uploading PDFs to the SFTP server for verification helps to cut down paperwork by 91 percent.

• Integrated Razorpay APIs and webhooks to streamline bank verification and payouts, reducing errors below 1% and accelerating firm growth.

• Using GitHub Actions and Continuous Deployment, streamlined the build deployment, which increased tech department productivity a minimum of 5 times.

Skills

• Programming: C, C++, HTML5/CSS3, JavaScript, SQL/NoSQL, Bash/Shell, Java, Python, Ansible

• Databases & Big Data: MongoDB, MySQL, PostgreSQL, PySpark, Databricks

• Tools & Technologies: Git, Linux, Docker, Jenkins, Terraform, AWS, CI/CD Pipelines, REST APIs, Microservices

• Frameworks & libraries: ReactJS, NodeJs, Apache Kafka Education

University of Arizona Tucson, AZ

MS in Computer Science; GPA: 3.7/4 Aug 2021 - May 2023 Courses: Data Science, Text Retrieval & Web Search, Data Visualization, Artifical Intelligence, Software Engineering K.R. Mangalam University India

Bachelor of Technology - Computer Science; GPA: 8.9/10 Aug 2015 – May 2019 Courses: Operating System, Computer Network, Data Mining, Parallel Processor and Computing Certifications

• Databricks Certified Data Engineer Associate July 2025

• AWS Certified Cloud Practitioner May 2025

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