S VINOD KUMAR

Backend Engineer

Bengaluru, Karnataka, India10 yrs 11 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Expert in designing scalable ETL pipelines for big data.
Proficient in microservices architecture with Docker and Kubernetes.
Strong background in backend system architecture and cloud services.

Stackforce AI infers this person is a Big Data and Cloud Engineering expert with a focus on Microservices architecture.

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Skills

Core Skills

Big Data EngineeringData ArchitectureVirtualizationBackend DevelopmentSecurity EngineeringMicroservices Architecture

Other Skills

API DevelopmentAVL Tree Data StructureAWS GlueAWS LambdaAWS S3AlgorithmsAmazon EC2Amazon EKSAmazon Elastic MapReduce (EMR)Amazon MSKAmazon RDSAmazon RedshiftAmazon S3Amazon Web Services (AWS)Apache Kafka

About

Experienced Software Development Engineer with strong expertise in backend system architecture design for distributed systems. Good understanding and exposure to multiple architectural design patterns for designing scalable performant systems. Hands on experience with multiple AWS cloud services. Experienced Big Data Engineer for architecting and designing ETL pipelines for processing large data and delivering valuable insights. Optimizing Spark jobs for faster processing. Strong knowledge and hands on with Microservices with Dockers and Kubernetes.

Experience

10 yrs 11 mos

Total Experience

2 yrs 8 mos

Average Tenure

4 yrs 1 mo

Current Experience

H1

Staff Data Engineer

May 2022 – Present · 4 yrs 1 mo · Hyderabad, Telangana, India · Remote

Experienced Data Engineer with a proven track record of designing, developing, and maintaining robust big data processing solutions for batch and stream data processing. Good expertise in building cost efficient and highly performant ETL pipelines with highly scalable distributed fault tolerant Data Lake architecture.
1. Data Architecture: Expertise in designing scalable and efficient data pipelines, ensuring seamless data flow and integration with a large dataset of 30Tb.
2. ETL Development: Proficient in developing Extract, Transform, Load (ETL) processes to extract valuable insights from raw data.
3. Successfully saved 20000$ per year of AWS S3 storage by implementing good lifecyle policies and efficient data storage mechanisms
4. Successfully optimized the jobs by 50% reduction in processing time by spark performance tuning and efficient data processing techniques
5. Multi source clinical trial data ingestion and development of common schema Kafka layer using Kappa architecture combined with Medallion architecture for delta processing on Data Lake

Data ArchitectureETL DevelopmentAWS S3Spark Performance TuningKafkaData Lake+1

Vmware

Member Of Technical Staff 3

Jan 2021 – May 2022 · 1 yr 4 mos · Bangalore Urban, Karnataka, India · Remote

Individual Contributor in the vmtools team
1. Multiple VM(OS) deployment on ESXi, configuration and management using VSphere client
2. Worked as part of feature “Salt Stack Integration”. Collaborated work across teams for setting up salt minion instance on the guest OS via vmtools. Implemented a new generic plugin for vmtools capable of onboarding new components in the guest OS.

VM DeploymentSalt Stack IntegrationESXiVSphereVirtualization

Startup

Senior Software Engineer

Jan 2021 – Aug 2021 · 7 mos · Bangalore Urban, Karnataka, India · Remote

Collaborated with 2 engineers for implementing a YouTube clone app for a social media startup.
1. Developed REST API endpoints for user login, registration, authentication and fetching list of trending videos/photos.
2. Designed and developed relational user profile database model and imported to Amazon RDS database. Implemented NoSQL DynamoDB for hosting list of trending videos/photos
3. Successfully integrated EC2, RDS and Dynamo Db for MVP
4. Successfully interfaced application instances running on EKS pods with Amazon RDS, Amazon Dynamo DB and S3

REST API DevelopmentAmazon RDSDynamoDBEC2EKSBackend Development

Cisco

Senior Software Engineer

Jun 2019 – Dec 2020 · 1 yr 6 mos · Bengaluru, Karnataka, India · On-site

1. Developed REST APIs for cloud based Smart Licensing in Expressway product
2. Certificate issuance and crl revocation using OpenSSL for peers connected to Expressway.
3. Developed secure communication establishment strategy by efficient negotiation of TLS version support between Expressway components
4. Vulnerability detection and categorization on Expressway product using ZAP Scan and App Scan. Cross site scripting and XSS vulnerability detection and mitigation on web UI frontend.

REST APIsOpenSSLTLSVulnerability DetectionSecurity Engineering

Nokia

Software Engineer

Jun 2015 – Jun 2019 · 4 yrs · Bengaluru, Karnataka, India · On-site

During my professional career working as a Software Engineer in NOKIA I have had various opportunities which involved system design of micro services based architecture of IMS components. Some of my prominent work at NOKIA includes:
1. IMS – IP Multimedia Subsystem
a. Development of Software Asset Protection feature for commercial licensing of IMS product.
b. Reduced processing and search time by 40% for parsing of large table phone entries using AVL tree data structure.
c. API development for Shared Data Layer (SDL) centralized storage for registration data, session data and dialog data.
d. Tool development for automated checks for software build failure, module testing failures, memory leaks detection using Valgrind and code coverage analysis using GCOV.
2. Microservices: Docker & Kubernetes
a. System design and transformation of monolithic tightly coupled IMS components architecture to micro-services based architecture.
c. Developed helm charts for SCSCF, PCSCF, BGCF and ICSCF for deploying on Kubernetes cluster. Developed single touch cluster deployment framework for IMS components.
d. Enabled faster release cycles by 50% reduction in time for IMS product delivery to customers