Data Analyst Manager
Rayhan Ahmed Sajib
16+ years experience
Data & Analytics Engineering
Top 5% Professional — Pro5.ai
About
Rayhan Ahmed Sajib leads data operations and engineering at Skiff Technologies, where he manages the teams responsible for automated ETL pipelines and large-scale data migrations for our Dominion DMS engagement.
With 16+ years across data analytics, enterprise banking systems, and global BI reporting for Fortune 500 clients, he brings both deep technical range and a track record of leading teams through complex, high-stakes conversions without missing a deadline.
Top core proficiencies
Data Analytics
Azure Engineering
ETL Architecture
Team Leadership
System Integration
Experience
2023 — Present
Skiff Technologies (Dominion DMS)
Leads data operations and engineering teams to deliver automated ETL pipelines and large-scale data migrations for USA-based clients.
Academic qualifications
MBA in MIS
University of Dhaka
B.Sc. in CSE
Ahsanullah University of Science and Technology (AUST)
Language & tool proficiencies
C# / .NET
SQL
JavaScript / jQuery
Python
HTML5
CSS3
Java
C / C++
Certifications
LinkedIn Learning · Microsoft
Microsoft Azure AI Essentials — Professional Certificate
Issued Jul 12, 2026
LinkedIn Learning
Microsoft Azure AI Essentials: Workloads and Machine Learning on Azure
Issued Jul 12, 2026
LinkedIn Learning
Professional Scrum Product Ownership: An Introduction
Issued Jul 11, 2026
LinkedIn Learning · PMI
Professional Scrum Product Ownership: An Introduction (PMI PDU)
Issued Jul 11, 2026
Google Cloud
Gemini for Data Scientists and Analysts — Completion Badge
Issued Jul 11, 2026
Google Cloud
Responsible AI: Applying AI Principles with Google Cloud
Issued Jul 7, 2026
LinkedIn Learning
Databricks for Data Analysts
Issued Jun 16, 2026
LinkedIn Learning
Microsoft Azure Synapse for Developers
Issued Jun 12, 2026
micro1
Certified — Data Analyst Manager (AI Interview)
Issued May 24, 2026
Coursera
Business Analysis & Process Management — Project Certificate
Issued May 8, 2026
Coursera
Introduction to Data Analysis using Microsoft Excel
Issued May 8, 2026
Pro5.ai
Top 5% Professional — AI Interview: Deputy General Manager, Growth & Market Intelligence, Data Science & Engineering
Issued April 2026
Certificate of Achievement
2026 Your Role: Internet Security and You
Issued Feb 22, 2026
Anthropic · GivingTuesday
AI Fluency for Nonprofits
Anthropic
Claude Code 101
Anthropic
Claude 101
Certificate of Achievement
Security Awareness Foundations (SAF)
Issued Sep 11, 2025
Certificate of Achievement
2025 Social Engineering Red Flags
Issued May 6, 2025
Certificate of Achievement
Anti-Phishing Essentials
Issued Jul 3, 2023
LinkedIn Learning · Microsoft — Microsoft Azure AI Essentials — Professional Certificate · Issued Jul 12, 2026
LinkedIn Learning — Microsoft Azure AI Essentials: Workloads and Machine Learning on Azure · Issued Jul 12, 2026
LinkedIn Learning — Professional Scrum Product Ownership: An Introduction · Issued Jul 11, 2026
LinkedIn Learning · PMI — Professional Scrum Product Ownership: An Introduction (PMI PDU) · Issued Jul 11, 2026
Google Cloud — Gemini for Data Scientists and Analysts — Completion Badge · Issued Jul 11, 2026
Google Cloud — Responsible AI: Applying AI Principles with Google Cloud · Issued Jul 7, 2026
LinkedIn Learning — Databricks for Data Analysts · Issued Jun 16, 2026
LinkedIn Learning — Microsoft Azure Synapse for Developers · Issued Jun 12, 2026
micro1 — Certified — Data Analyst Manager (AI Interview) · Issued May 24, 2026
Coursera — Business Analysis & Process Management — Project Certificate · Issued May 8, 2026
Coursera — Introduction to Data Analysis using Microsoft Excel · Issued May 8, 2026
Pro5.ai — Top 5% Professional — AI Interview: Deputy General Manager, Growth & Market Intelligence, Data Science & Engineering · Issued April 2026
Certificate of Achievement — 2026 Your Role: Internet Security and You · Issued Feb 22, 2026
Anthropic · GivingTuesday — AI Fluency for Nonprofits
Anthropic — Claude Code 101
Anthropic — Claude 101
Certificate of Achievement — Security Awareness Foundations (SAF) · Issued Sep 11, 2025
Certificate of Achievement — 2025 Social Engineering Red Flags · Issued May 6, 2025
Certificate of Achievement — Anti-Phishing Essentials · Issued Jul 3, 2023
Recommendations
What colleagues and clients say.
Tony Garcia
Director of IT Delivery at SouthEast Toyota Finance
Tony managed Rayhan Ahmed directly
I had the opportunity to work closely with Rayhan for the better part of five years at Dominion DMS, where he served as Team Lead for the Data Development group. During that time, Rayhan played a critical role in leading many of the DMS conversion processes, implementations, and complex data mappings that were essential to successful client onboarding. Rayhan consistently demonstrated exceptional leadership and accountability. He led a highly dedicated team that often worked tirelessly — many times overnight — to ensure implementations were delivered on time and met the highest quality standards. His ability to manage complex data challenges while maintaining focus on delivery is truly impressive. What stands out most about Rayhan is his unwavering commitment and professionalism. His work ethic, attention to detail, and positive attitude made him a pleasure to collaborate with, even under demanding timelines. He brings both technical depth and strong leadership, making him an invaluable asset to any organization. I highly recommend Rayhan for any role that requires expertise in data development, leadership, and a strong commitment to delivering results.
Alexander
Colleague at Dominion DMS
Alexander worked with Rayhan Ahmed on the same team
Rayhan is an excellent Data Engineer. I had the privilege of working with him, and I was consistently impressed by his strong technical expertise in SQL Server and C#. He played a key role in several data conversion projects, all of which were highly successful thanks to his skill, dedication, and attention to detail.
Dr Reasat
Colleague at Dominion DMS
Dr Reasat worked with Rayhan Ahmed but on different teams
Rayhan brings a rare combination of technical depth and dependability. Every project I've seen him touch has been delivered with care and precision.
Sharif Faisal
Sr. QA Engineer at Skiff Technologies
Sharif Faisal reported to Rayhan Ahmed directly
Rayhan is a supportive and knowledgeable leader who always makes time to unblock the team, while holding a high bar for data quality.
Arifur
Colleague at Dominion DMS
Arifur was senior to Rayhan Ahmed but didn't manage Rayhan Ahmed directly
A dependable engineer with strong command over complex ETL work — Rayhan is someone I'd gladly work with again.
Ericka
Manager at Dominion DMS
Ericka managed Rayhan Ahmed directly
Rayhan consistently exceeded expectations on delivery timelines while maintaining excellent communication with stakeholders throughout every migration.
Abu Syed Mohammad
Colleague at Dominion DMS
Abu Syed Mohammad reported to Rayhan Ahmed directly
Rayhan is patient, technically sharp, and genuinely invested in helping his team grow their skills.
Missba Banu
Sr. Data Analyst at Skiff Technologies
Missba worked with Rayhan Ahmed on the same team
I had the privilege of working under Rayhan's leadership and have has been exceptional leadership and communication skills. He has a unique ability to handle multiple tasks while maintaining high-quality work and met dealines. Any organization would be lucky to have such a dedicated and effective leader.
Md. Abdur Rahman Rony
Colleague at Dominion DMS
Md. Abdur Rahman Rony reported to Rayhan Ahmed directly
Rayhan's guidance was instrumental in my growth as a data engineer — clear expectations, honest feedback, and always available when it mattered.
Tasnur Rahman
Colleague at Dominion DMS
Tasnur Rahman worked with Rayhan Ahmed on the same team
A steady hand under pressure — Rayhan kept our migration workstreams on track through some genuinely difficult conversions.
Russell
Manager at Dominion DMS
Russell managed Rayhan Ahmed directly
Rayhan consistently demonstrates high-level technical expertise and delivers quality work across every project. He collaborates effectively with teams, manages deadlines with ease, and supports others by providing clear guidance and development opportunities. At Dominion DMS, he showcased strong skills in Azure Data Factory, SQL, C#, Python, and all aspects of ETL processes.
Asif Islam
Lead Data Analyst at Skiff Technologies
Asif worked with Rayhan Ahmed on the same team
Rayhan is one of the most reliable engineers I've worked alongside — deep SQL and ETL expertise paired with genuine team-first collaboration.
Paul
Colleague at Dominion DMS
Paul was senior to Rayhan Ahmed but didn't manage Rayhan Ahmed directly
Rayhan's attention to detail on data mapping work saved us from several potential production issues during migration.
Farhana Zaman
Colleague at Dominion DMS
Farhana Zaman worked with Rayhan Ahmed on the same team
Always willing to jump in and help troubleshoot, Rayhan brings both technical rigor and a genuinely collaborative attitude.
Khaza Moinuddin
Colleague at Dominion DMS
Khaza Moinuddin worked with Rayhan Ahmed on the same team
Rayhan's leadership on our conversion sprints kept the whole team aligned and confident, even against tight deadlines.
Nazmul
Colleague at Dominion DMS
Nazmul worked with Rayhan Ahmed on the same team
A genuinely strong technical lead — clear communicator, thorough reviewer, and always fair with feedback.
Mohammad
Colleague at Dominion DMS
Mohammad worked with Rayhan Ahmed on the same team
Rayhan brings deep ETL and SQL Server expertise to every engagement, and it shows in the quality of the deliverables.
Mohammad
Colleague at Dominion DMS
Mohammad worked with Rayhan Ahmed on the same team
I've seen Rayhan handle some of our most complex data conversions without missing a beat — highly recommended.
Farhat Nizam
Colleague at Dominion DMS
Farhat Nizam worked with Rayhan Ahmed on the same team
I highly recommend Rayhan for his exceptional data analysis and technical skills. He has a talent for turning complex data into clear insights. Riaihan is a great team player, always willing to help others and share his knowledge. His analytical mindset and attention to detail make him a valuable asset to any team.
Md. Nazmul
Colleague at Dominion DMS
Md. Nazmul worked with Rayhan Ahmed on the same team
I have enjoyed working with Rayjan Ahmed Sajib for the last 8 years. Our teams worked closely together to help build out the company's project management process. I found him to be hard-working, bright, and a skilled communicator. I particularly enjoyed his sense of humor in the face of what can sometimes be a stressful situation when faced with tight deadlines. But what makes him stand out is his willingness to help others. I am glad to have worked with him and have no hesitation recommending him to potential employers.
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