About me

I am a Senior Data Engineer with 5 years building production data systems at scale. Currently at Appinventiv leading enterprise data migrations and heading the complete data team. Previously at DXC Technology where I built ETL pipelines processing millions of insurance records across 1,000+ database tables.

I also founded AceInterview.in — an AI interview platform that's served 500+ users, and StressAway — a mental health platform delivering 100+ therapy sessions monthly. I have been recognized with 3x Facilitator Awards (2021–2024) for technical leadership and project delivery excellence, and served as a Keynote Speaker at NMIMS Institute on AI/Automation strategies (10K+ audience).

Recent Impact: ✓ Reduced ETL runtime by 75% on enterprise systems  •  ✓ Migrated 500+ tables (MySQL → PostgreSQL) with 30% performance improvement  •  ✓ Built automated RCA workflows reducing downtime by 40%  •  ✓ Created policy comparison tool saving 180+ hours monthly

Tech: Python, PySpark, SQL, Apache Airflow, Azure Data Factory, AWS, Databricks, Snowflake, dbt, Kafka
Open to consulting projects and advisory roles in data engineering and AI automation.
📧 Er.rankush.vishwakarma.in@gmail.com   🌐 aceinterview.in

What i'm doing

  • design icon

    Data Engineering

    I architect enterprise ETL/ELT pipelines across 1,000+ tables, achieving 75% runtime reduction and 99.9% reliability. I develop policy data comparison tools reducing analysis time from 6 hours to 15 minutes, saving 180+ hours/month with Python, PySpark, SQL, Apache Airflow, Databricks, dbt, Snowflake.

  • Cloud & AI icon

    Cloud & AI Solutions

    I lead cloud data migrations with zero downtime, achieving 3x faster data refresh and 95+% uptime in production pipelines. I build AI-powered platforms with GPT-4 APIs, FastAPI, Machine Learning, NLP, and build automated RCA workflows using LLMs that reduce operational downtime by 40%.

  • Leadership icon

    Technical Leadership

    I lead and manage complete data engineering teams, driving 100% on-time delivery while mentoring engineers. I train 500+ professionals in ML/Python, reducing external dependencies by 60%. I implement CI/CD, GitHub Actions and provide technical mentorship and architectural direction across teams.

Senior Data Engineer | Data Team Lead @Appinventiv  |  Ex-DXC Technology

Keynote Speaker - NMIMS Institute | AI/Automation strategies (10K+ audience)

Resume

Professional Experience

  1. Senior Data Engineer | Data Team Lead @Appinventiv

    Oct 2025 — Present | Noida, Uttar Pradesh, India (Hybrid)

  2. Leading the complete data engineering team of the company, driving architectural decisions and delivery excellence
  3. Improved reliability of mission-critical B2B SaaS pipelines serving enterprise customers
  4. Automated multi-step workflows across ingestion, transformation, enrichment & reporting layers
  5. Reduced pipeline failures and data lag, significantly improving SLA compliance
  6. Led architectural redesign for core ETL systems, modernizing the data platform
  7. Migrated 500+ tables (MySQL → PostgreSQL) with 30% performance improvement
  8. Built automated RCA workflows reducing operational downtime by 40%
  9. Collaborated with cross-functional teams to optimize analytics delivery
  10. Core Tech: Python, SQL, Airflow, dbt, Snowflake, Azure, AWS, Kafka, Databricks

  11. Senior Data Engineer | Python Developer @DXC Technology

    Jan 2021 — Sep 2025 | Indore, India (Remote)

  12. Architected enterprise ETL pipelines across 1,000+ tables, achieving 75% speed improvement and 99.9% reliability
  13. Developed policy data comparison tool reducing analysis time from 6 hours to 15 minutes, saving 180+ hours/month
  14. Built automated reporting systems with 98% accuracy, eliminating 15+ hours/week of manual validation
  15. Led 2 critical projects with 100% on-time delivery while mentoring 3 junior developers
  16. Trained 500+ professionals in ML/Python, reducing external dependencies by 60%
  17. Reduced ETL runtime by 50% on 250+ MySQL tables using ADF, Azure SQL, and parallelized tasks
  18. Modernized ETL to ELT on Azure Cloud, achieving 3x faster data refresh and 95+% uptime in production pipelines
  19. Recognized with 3x Facilitator Awards (2021–2024) for technical leadership and project delivery excellence

  20. AceInterview.in - AI Interview Platform

    Founder & Developer- Side project | 2022-2024 Tech Stack: Python, FastAPI, GPT-4 APIs, JavaScript, HTML, TAILWIND CSS, Azure, GitHub Actions

  21. Built full-stack AI platform serving 500+ users with 95% satisfaction rate
  22. Developed multi-modal AI assistant with real-time scoring and personalized feedback
  23. Created resume analyzer with job matching, improving user success rates by 35%

  24. StressAway - Mental Health Platform

    Co-Founder & Tech Lead | 2022-2024 Tech Stack: Python, FastAPI, MongoDB, Docker, OpenRouter APIs, NLP

  25. Co-founded platform delivering 100+ monthly therapy sessions with 87% user satisfaction
  26. Built conversational AI with emotion-sensitive responses and stress analysis

Core Skills

  • Python & PySpark
    90%
  • SQL & Database Systems
    85%
  • ETL/ELT & Apache Airflow
    90%
  • Azure Cloud & Databricks
    85%
  • dbt & Snowflake
    82%
  • Machine Learning & NLP
    80%
  • LLM APIs & Prompt Engineering
    85%
  • Docker & CI/CD
    75%
  • AWS & Kafka
    75%
  • SSIS & IBM Db2
    75%
  • Team Management & Leadership
    88%

Education & Certifications

  1. B.Tech Computer Science - AMITY University, MP

    2017 — 2021

    Graduated with a B.Tech in Computer Science and Engineering, specializing in innovative AI and Data Science systems. Notable capstone project involved building advanced AI systems with machine learning and natural language processing capabilities. This educational foundation provided deep expertise in computer science fundamentals, algorithms, and modern AI/ML technologies that I apply in my professional data engineering career.

  2. Professional Certifications

    2023 — 2024

  3. Machine Learning & Deep Learning - Ineuron (2023)
  4. SQL Server Integration Services - LinkedIn Learning (2023)
  5. Multiple advanced certifications in AI, ML, and Data Engineering technologies

Key Achievements

  1. Technical Excellence & Leadership

    2021 — Present

  2. 🏆 3x Facilitator Awards (2021-2024) - Technical leadership and project delivery excellence at DXC Technology
  3. 🎤 Keynote Speaker - NMIMS Institute - AI/Automation strategies (10K+ audience)
  4. 👥 Data Team Lead @ Appinventiv - Leading the complete data engineering team
  5. 📈 Key Performance Metrics: 75% ETL runtime reduction • 500+ tables migrated • 40% downtime reduction • 180+ hours/month saved • 100% project delivery rate

Portfolio

Certifications

Contact

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