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Summary
Overview
Work history
Education
Skills
Certification
PROJECTS
OTHER RELEVANT EXPERIENCE
Timeline
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Open to work

Devanand Srinivasan

Dublin,Ireland

Work preference

Job search status

Open to work
Preferred start date: Two weeks' notice

Desired job title

Data Engineer / Automation LeadData Quality Engineer (System Engineer)Data QA & Analytics Engineer (System Engineer)

Work Type

Full timeContract work

Location preference

On-siteRemoteHybrid
Location: Dublin, Ireland, IEIndia
Open to relocation: Yes

Salary range

30/hr - 1000/hr

Important to me

Work-life balancePersonal development programmes

Summary

Data engineer with 4 years of experience in constructing scalable data pipelines and validating distributed systems for high-quality data delivery. Strong skills in PySpark, Databricks, Hadoop tools, advanced SQL, and cloud platforms like Azure, AWS, and GCP. Successfully designed data quality frameworks and automated workflows for extensive migration initiatives involving data lakes and Kafka ingestion. Holds Stamp 1G with full work rights in Ireland and an MSc in Cyber Security with first-class honors.

Overview

1
1
Certification
6
6
years of post-secondary education
4
4
years of professional experience

Work history

Data Engineer / Automation Lead

InfyStrat Software Services
Johnessburg, South Africa
2024.04 - 2025.04
  • Built and validated distributed data pipelines across microservices and event-driven systems.
  • Developed PySpark transformations and Databricks workflows for ingestion cleansing and enrichment.
  • Implemented data quality gates with schema validation and reconciliation logic across layers.
  • Validated Kafka producer and consumer message schemas, offsets, and event consistency.
  • Created Dockerized, Testcontainers-based environments supporting reproducible data pipeline testing.
  • Automate REST API validations for metadata services and ingestion endpoints.
  • Automate validation workflows to reduce manual data QA effort by 20%.
  • Collaborated with data architects, cloud engineers, and product teams on data delivery reliability.
  • Work remotely with remote coordination and communication across distributed teams.

Data Quality Engineer (System Engineer)

Namma School Namma Ooru Palli
Chennai, India
2023.10 - 2024.12
  • Owned end-to-end data QA delivery including pipeline validation, SQL checks, and transformation logic verification.
  • Designed test approaches for data ingestion, backend services, and analytics workflows.
  • Performed SQL-based validation across Oracle, MS SQL Server, and PostgreSQL for ETL pipelines.
  • Introduced structured data QA processes improving coverage and reducing rework.
  • Mentored junior engineers on SQL, ETL validation, and data pipeline fundamentals.

Data QA & Analytics Engineer (System Engineer)

Tata Consultancy Services (TCS)
Chennai, India
2021.01 - 2023.09
  • Validated large-scale enterprise data flows across web, backend, and analytics systems.
  • Performed SQL validation for ETL pipelines ensuring 99.9% data accuracy across migrations and transformations.
  • Supported ingestion and transformation testing across Oracle, MS SQL Server, and PostgreSQL.
  • Conducted analytics pipeline validation using Adobe Analytics and ObservePoint.
  • Collaborated with developers and architects to refine data requirements and improve pipeline reliability.
  • Received Best Team Award twice for high-quality delivery and proactive defect prevention.

Education

MSc - Cyber Security

National College of Ireland
Dublin, Ireland
2025.01 - 2026.04

B.Tech - Computer Science & Engineering

SRM Institute of Science and Technology
Chennai, India
2016.01 - 2020.04

Skills

  • Data engineering and processing PySpark and Apache Spark Databricks and Hadoop Hive and HDFS Schema evolution strategies Partitioning techniques
  • Data modeling and design Star and snowflake schemas Dimensional modeling techniques Fact and dimension tables Lakehouse architecture
  • Cloud platforms: Azure, AWS, GCP Data lake and storage solutions CI/CD-driven data deployments Containerized data workflows
  • ETL and data pipelines Data validation and QA Transformation logic testing Data reconciliation Workflow orchestration
  • Advanced SQL expertise Oracle, MS SQL Server, PostgreSQL Window functions and CTEs Performance tuning Analytical queries
  • Event-driven systems design Kafka producer and consumer Message schema validation Offset tracking techniques Event consistency testing
  • Data quality automation Python programming REST assured testing TestNG framework Docker containerization Reproducible test environments
  • Performance testing: JMeter load tests for data APIs
  • Analytics pipelines
  • Agile delivery and sprint ownership Backlog refinement Release readiness Cross-team collaboration

Certification

  • Google Data Analytics
  • IBM Hands-on Linux
  • Core Java, C & C++
  • Diploma in .NET

PROJECTS

Hybrid DDoS Detection System: Built flow-level feature extraction pipelines using P4-based sketching and ML (CVFDT)., ML Classification Pipelines: Developed end-to-end ML workflows using Python (NumPy, Pandas, scikit-learn)., Mobile Application Forensics: Performed Android forensic analysis using AVD, Autopsy, and SQLite., Salesforce-based Management System: Designed data models, configured workflows, and created analytical reports.

OTHER RELEVANT EXPERIENCE

  • Computer Lab Assistant National College of Ireland Supported labs for Cloud Architecture, Scalable Cloud Programming, Security Fundamentals, Digital Forensics, and AI/ML for Cybersecurity.
  • Event Customer Care Officer Sword Security Group Managed customer interaction, access control, and safety compliance at large-scale events.

Timeline

MSc - Cyber Security

National College of Ireland
2025.01 - 2026.04

Data Engineer / Automation Lead

InfyStrat Software Services
2024.04 - 2025.04

Data Quality Engineer (System Engineer)

Namma School Namma Ooru Palli
2023.10 - 2024.12

Data QA & Analytics Engineer (System Engineer)

Tata Consultancy Services (TCS)
2021.01 - 2023.09

B.Tech - Computer Science & Engineering

SRM Institute of Science and Technology
2016.01 - 2020.04

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