Arun Atri - Head of Data Migration, Telecom Specialist

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Stockholm, Sweden

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Experience

Dec 2022 - Present

3 years 9 months

Head of Data Migration

Telia Sonera

Responsible for managing the testing team for system and user acceptance testing leading up to dry runs and cutover
Responsible for managing Ericsson data migration team for all project deliverables, including LLD/mappings preparation for the migration tool, features/stories preparation for PI and sprint planning, ensuring deliverables are on time

Nov 2022 - Apr 2023

6 months

Munich, Germany

Head of Data Migration

IFRS 17 Global Reinsurance Data Integration

Developed various data validation processes in Microsoft SSIS ETL tool for reinsurance data submitted through multiple data hubs worldwide
Prepared LLD and technical documentation of processes
Developed Azure DevOps pipelines for automated deployments
Developed and enhanced SSIS packages based on business requirements

May 2022 - Nov 2022

7 months

Head of Data Migration

Tele 2

Worked as a consultant studying legacy and target patterns, defining migration strategy, scope of migration, and rollout procedure (big bang vs phased)
Developed migration roadmap including dry runs, dress rehearsals, KPI/KPO, and revenue reconciliation procedure
Handed over project to solution architects and developers from E&P migration stream after initial analysis and high level design preparation

Jun 2021 - Jun 2022

1 year 1 month

London, United Kingdom

Head of Data Migration

John Lewis & Partners

Integration lead for microservices development, delivering integration services built on Google Cloud Platform (API based, ETL, microservices)
Produced HLD, LLD, design documentation, delivery planning, and performance designs for day 1 migrations

May 2019 - Jun 2021

2 years 2 months

Helsinki, Finland

Head of Data Migration

Qvantel Finland Oy

Head of data migration (LATAM, Europe, and Asia Pacific) delivering end-to-end data migration projects for multiple telecom operators, including presales, resourcing, architecture design, and cutover management

Oct 2018 - Apr 2019

7 months

Helsinki, Finland

Data Expert

S&P Global (Platts)

Conducted mass data migration into legacy systems
Designed and developed Python APIs using Flask to provide real-time data for graph design and analytical modelling

Jan 2018 - Sep 2018

9 months

Algeria

Data Expert

Djezzy

Implemented near real-time CRM and billing solution locally, performing data transformation and cleansing for 19 million active customers
Conducted root cause analysis of data quality, defined cleansing rules, prepared ETL processes, and executed data migration strategy and production roll-out
Migrated CRM and billing systems from TABS, Ericsson CS, and Huawei PCRF to Qvantel BSS suite and upgraded Ericsson CS/PCRF

Feb 2017 - Sep 2018

1 year 8 months

Hyderabad, India

Data Migration Specialist

Qvantel Software Solutions

Implemented near real-time CRM and billing solution for 3 million active customers, handling data transformation, cleansing, and ETL preparation
Defined data migration strategy and executed production roll-out
Migrated CRM and billing systems from Amdocs and Comverse to Qvantel BSS suite and Ericsson CS/PCRF

Oct 2014 - Jan 2018

3 years 4 months

Hyderabad, India

Senior Software Engineer, Data Warehousing Developer

Wells Fargo India Pvt. Ltd.

Developed and performed L3/L4 operations for equity trading data warehouse solutions for business reporting

Apr 2011 - Sep 2014

3 years 6 months

Pune, India

Senior Software Engineer, Data Warehousing Developer

Tech Mahindra Ltd.

Performed L2 and L3 operations for Microsoft OEM business, supporting reporting activities and resolving level 2 and level 3 tickets
Identified production bugs, provided root cause analysis, and delivered solutions to development teams

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Telecommunication, Banking and Finance, Information Technology, Retail, Insurance, and Energy.

Telecommunication

Banking and Finance

Information Technology

Retail

Insurance

Energy

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology, Business Intelligence, Project Management, Quality Assurance, and Customer Service.

Information Technology

Business Intelligence

Project Management

Quality Assurance

Customer Service

Skills

Operating Systems: Windows, Unix, Linux
Databases: Oracle, Sql Server, Mariadb (Mysql), Cassandra, Postgres, Progress 4gl, Mongodb
Crm And Billing: Qvantel Crm & Billing, Oracle Siebel And Brm, Singleview Billing System
Data Modelling: Sql Server Management Services, Mysql Workbench, Oracle/Mysql System Tuning And Performance
Etl Tools: Sql Server Integration Services 2008, 2012 And 2019, Pentaho V7.1 And V8
Telecom Technologies: Oss, Bss
Software Technologies: Python, R, Gams, Shell Scripting, Html, Json, Pl/Sql, T-Sql

Languages

Hindi

Native

English

Advanced

Education

Bachelor of Science, Electronics Engineering · Electronics Engineering

Certifications & licenses

Certification in Business Analytics (Data Visualization, Big Data, Machine Learning and AI)

Indian School of Business, Hyderabad

Entrance Level Training Program

Tech Mahindra

Qvantel training - Telecom BSS

Wells Fargo - SQL Server Integration Services

Statistics

Experience

Total positions 10

Experience in Telecommunication 8 y

Avg length 1 y 9 m

Longest experience 3 y 8 m

Global Experience

Countries worked in 5 (India, Finland, Germany, United Kingdom, Algeria)

Primary country India

Expertise

Recent roles Head of Data Migration, Data Expert, Data Migration Specialist

Main industries Telecommunication, Banking and Finance, Information Technology

Main business areas Information Technology, Business Intelligence, Project Management

Qualifications

Highest degree Bachelor

Certifications earned 4

Profile

Created

December 2024

Last Update

December 2025

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Frequently asked questions

Have questions? Find more information here.

Arun is based in Stockholm, Sweden.

Arun speaks the following languages: Hindi (Native), English (Advanced).

Arun has at least 15 years of experience. During this time, Arun has worked in at least 4 different roles and for 10 different companies. The average length of individual experience is 2 years and 6 months. Note that Arun may not have shared all experience and actually has more experience.

Based on recent experience, Arun would be well-suited for roles such as: Head of Data Migration, Data Expert, Data Migration Specialist.

Arun's most recent position is Head of Data Migration at Telia Sonera.

In recent years, Arun has worked for Telia Sonera, IFRS 17 Global Reinsurance Data Integration, Tele 2, and John Lewis & Partners.

Arun is most experienced in industries like Telecommunication, Information Technology, and Banking and Finance. Arun also has some experience in Retail, Energy, and Insurance.

Arun is most experienced in business areas like Information Technology, Business Intelligence, and Project Management. Arun also has some experience in Quality Assurance and Customer Service.

Arun has recently worked in industries like Telecommunication, Retail, and Insurance.

Arun has recently worked in business areas like Information Technology, Project Management, and Quality Assurance.

Arun holds a Bachelor in Electronics Engineering.

Arun has 4 certificates. Among them, these include: Certification in Business Analytics (Data Visualization, Big Data, Machine Learning and AI), Entrance Level Training Program, and Qvantel training - Telecom BSS.

Arun is immediately available full-time for suitable projects.

Daily Rate Distribution

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Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.

Average rates for similar positions

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Daily rate avg. 814 €

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Median rate 800 €

The median daily rate is the middle value of all daily rates — half of comparable freelancers charge less, half charge more. Unlike the average, it is barely affected by outliers.

Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.