I'm Atharva Anand Joshi (AJ) — the person behind AJMATICS.
A Data & AI engineering professional building scalable data platforms, intelligent applications and reliable cloud systems.
Turning data into intelligence, and ideas into impact.
| Software Application • Backend • APIs |
Intelligence Data Science • ML • GenAI |
Platforms Cloud • Data • Production |
Architecture System Design • Automation |
My career has evolved from database and application development through full-stack engineering, machine learning and GenAI into enterprise Data Engineering, cloud data platforms, data quality, governance, migration and AI-powered engineering automation. I enjoy understanding the complete path — application → API → backend → data → cloud → AI → production → architecture — instead of looking at only one layer.
Where I am heading: Data Engineering + AI → Data / AI Architecture → System Design, Technical Leadership and Consulting.
| ETL/ELT • batch and incremental pipelines • ingestion • integration • migration • transformation • data lakes • warehouses • medallion architecture • analytics-ready datasets. | Validation • reconciliation • profiling • schema evolution and drift • historical baselines • SCD Type 1/2 • OBT • RBAC • lineage • security • observability. |
| Predictive modelling • forecasting • recommendation systems • NLP • BERT • embeddings • LLMs • RAG • AI agents • LangChain • responsible AI • AI-assisted RCA. | Azure • AWS • GCP • distributed and event-driven systems • queue-based processing • APIs • system design • production engineering • CI/CD • technical solution design. |
| Ascendion Deployed to ZS Associates · Pune | Senior Data Engineer Feb 2026 – Present AWS data platforms, Redshift, MWAA / Airflow, dbt, Jinja, Fivetran, Python, SQL, data migration, source onboarding, data quality, governance, production support and AI-assisted engineering automation. |
| Mindstix Software Labs | Software Development Engineer II Jan 2026 – Feb 2026 Reusable data-quality framework, Python, SQL, Azure Synapse, ADLS, Azure Container Apps, Azure DevOps, Log Analytics, CI/CD, UAT and end-to-end integration. |
| Mindstix Software Labs | Member of Technical Staff · Data Engineering Feb 2025 – Dec 2025 Enterprise data platforms, Salesforce integration, Azure data lakes, ADF, Synapse, ADLS Gen2, dbt, Snowflake, AI agents, GA4 / BigQuery, governance and analytics. |
| WorqHat / Winlysis | Founder's Team · Full-stack AI / Platform Engineering Aug 2023 – Jan 2025 Official title recorded as VP Engineering; hands-on work across AI-powered SaaS, GenAI, no-code capabilities, AI agents, RAG, MERN, APIs, multi-database backends, GCP and technical coordination. |
| Mindstix Software Labs | Member of Technical Staff · Data Science / ML Jan 2023 – Jul 2023 Data visualisation, Power BI, database design, APIs, Python, ML / LLM applications, LangChain, ETL and AWS-based data infrastructure. |
| WorqHat / Winlysis | Machine Learning Engineer · Part-time Dec 2022 – Jul 2023 Forecasting solutions for SMEs / MSMEs using Python, Prophet, Flask and GCP Cloud Functions; sparse-data forecasting, transformation, retraining and model evaluation. |
Note: The Mindstix and WorqHat 2023 engagements overlapped; the WorqHat ML work was part-time. The WorqHat title is shown with the practical engineering scope to avoid overstating day-to-day responsibilities.
| 🧩 Cwipedia Jun 2022 – Nov 2022 | Flutter Developer · Diploma-Connect app Cross-platform mobile development, responsive UI, Figma, SDLC, CI/CD, code integration, testing, backend coordination, debugging and stakeholder interaction. Cwipedia |
| 🎨 Swapra Technologies May 2022 – Aug 2022 | Frontend Developer · Remote Custom portfolio website using HTML, CSS, Bootstrap and JavaScript; responsive UI, chatbot integration, website structure, maintainability and client requirements. Project files |
| 📊 The Sparks Foundation Oct 2021 – Nov 2021 | Data Science Intern Student-performance prediction using Python, Pandas and Scikit-learn; regression, decision trees, data cleaning, preparation and insight presentation. |
| 🗃️ Config Solutions May 2019 – Jun 2019 | Database Specialist / Intern Database migration and optimisation, manual testing, task coordination, business requirements, BI and backend exposure. Completed the internship with a Pre-Placement Offer (PPO). |
| 🚀 Mindstix Software Labs Jan 2023 – Jul 2023 | Early engineering training & MTS internship Git workflows, trunk-based development, REST / HTTP, Postman, OAuth 2.0, JWT, RBAC, schema design, Liquibase, FlywayDB, AWS EC2 / S3 / RDS, containers, Jenkins, GitHub Actions, Linux, networking, testing and Agile / Scrum. |
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Azure · ADF · Synapse · ADLS Gen2 · Functions · ACA · Service Bus · KEDA · Purview · Fabric · Power BI · Python · SQL
Approx. 300 pipelines, 30M initial records, 50GB initial data, 400K daily records and 71 entities. Included incremental ingestion, SCD1 / SCD2, OBT, governance and analytics layers. |
Python · SQL · Synapse · Azure Container Apps · Service Bus · ADLS · Log Analytics
Reusable validation and execution framework with schema checks, profiling, reconciliation, historical / incremental validation, callback-based processing, logging and monitoring. |
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Fivetran · dbt · SQL · Python · Schema Drift
Source migration, schema-drift handling, custom transformation tables and simpler operational maintenance. Verified project impact: ~70% reduction in new-source onboarding time. |
AWS MWAA · Apache Airflow · Python · Microsoft Teams · AI
Failure notifications, contextual investigation, earlier issue identification and mitigation before downstream impact. Verified project impact: ~60% reduction in debugging time. |
|
Python · GA4 · BigQuery · LLMs · Responsible AI
AI-agent workflows enriched with business context, seasonality and sentiment signals, with attention to controlled architecture and LLM query-cost optimisation. |
Salesforce · ADF · ADLS Gen2 · Synapse · Python · Medallion · Purview · RBAC
Enterprise ingestion, transformation, data modelling, security, governance, compliance, reporting and solution delivery. |
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Python · Prophet · Flask · GCP Cloud Functions · ML
Forecasting for sparse / smaller datasets, month-to-day conversion, feature preparation, retraining, evaluation and backend integration. Project records report ~18% forecast-accuracy improvement and ~10% stockout reduction; validate before using as audited claims. |
Python · MERN · SQL · Docker · LLMs · RAG · Streamlit
Natural-language querying across structured and unstructured data, retrieval workflows, AI APIs, agents and no-code capabilities. Project records report ~50% lower dependency on data teams for ad-hoc insights; validate before external use. |
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Python · SQL · PostgreSQL · BERT · Embeddings · Flask · Firebase · Power BI
Web-data processing, similarity-based recommendations, embedding generation, recommendation APIs and analytics. Project records report 10K+ similarity queries/day and ~15% compute reduction; validate before external use. |
MySQL · Salesforce · ADF · ADLS Gen2 · Azure SQL · Power BI · Tableau
Enterprise ingestion, schema validation, incremental ETL, SCD, Key Vault, Purview, data-lake architecture and reporting. |
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Python · DuckDB · Pandas · CSV · Parquet
Lightweight data profiling, schema-drift detection, data inspection and ETL validation utilities. |
IIT Patna · AI · ML · LLMs · Model Calling · Multi-agent Orchestration
Academic exploration of an Energy & Power domain architecture with a master orchestrator and specialised agents. |
🗂️ Earlier builds & additional project work — open to explore
- Diploma-Connect app — Flutter-based cross-platform mobile application developed during the Cwipedia experience. The old repository URL from the earlier README returned 404 during verification, so it is not presented as a live source-code link.
- SwapraTech portfolio website — HTML, CSS, Bootstrap and JavaScript, with responsive UI and chatbot integration. Project files.
- AI Interview Assist — Chrome-extension product concept with AI-enabled interview assistance.
- GenAI no-code workspace capabilities — LLM integrations, data querying, APIs and agent-style workflows.
- Student performance prediction — regression and decision-tree modelling during The Sparks Foundation internship.
For public code and repositories, explore the complete GitHub repository list. Some enterprise projects are described at capability level because implementation details are not public.
A broad inventory across professional work, projects and learning. This is intentionally more complete than a role-specific skills shortlist; hands-on depth varies by technology.
Data Platform Architecture · Enterprise Data Lake · Data Warehouse Architecture · Medallion Architecture · Data Modelling · System Design · Solution Design · Cloud Architecture · Distributed Processing · Event-driven Architecture · Queue-based Architecture · Asynchronous Processing · Callback Architecture · Batch Processing · Incremental Processing · Multi-database Architecture · API Design · Backend Architecture · Security · Compliance · Data Lineage · Observability · Reliability · Scalability · Maintainability · Modularity · Reusability · Cost Optimisation · Production Resilience · Technical Leadership · Requirement Gathering · Business Analysis · Stakeholder Management · Client Collaboration · Technical Communication · Agile · Scrum · Kanban · DevOps · SRE
Backend Development · Full-stack Development · API Development · API Specifications · Code Reviews · Data Analytics · Data Modelling · Data Integration · Data Validation · Data Reconciliation · Data Warehousing · LLM Orchestration · AI Automation · Multi-cloud Engineering · Cloud-native Architecture · Failure Detection & Mitigation · Incident Handling · Production Support · Cross-functional Collaboration · Client Interaction · Business-aligned Solution Delivery · Authentication & Authorisation · Model Retraining · Model Evaluation
| Faster source onboarding Fivetran migration | Less debugging time Airflow / AI-assisted RCA | B.Tech CGPA / 10 MIT Academy of Engineering |
- Microsoft Certified: Azure Fundamentals
- Oracle Cloud Infrastructure 2021 – Certified Architect Associate
- Amazon Product Data Scraping Crawler Making Competition – Certificate of Participation
| Institution | Qualification | Details |
|---|---|---|
| Indian Institute of Technology (IIT), Patna | Executive M.Tech · AI & Data Science Engineering | Working-professional programme · Feb 2024 – Present |
| MIT Academy of Engineering, Alandi, Pune | B.Tech · Information Technology | May 2023 · 9.45 / 10 CGPA |
| Government Polytechnic, Ahmednagar | Diploma · Computer Science / Advanced Data Management | ~9.29 / 10 CGPA |
Professional curiosity
AI/ML research · Generative AI · LLM applications · RAG · AI agents · responsible AI · data engineering · modern data stack · cloud data platforms · data architecture · distributed systems · system design · production reliability · data governance · analytics · optimisation · technical leadership · consulting · product thinking · management.
Outside the terminal
Data structures & algorithms (C++) · SQL / NoSQL databases · Flutter and mobile applications · Java application development · Cloud databases & operations · Project management · Travelling · Drawing · Cooking · Fitness / Gym · Marvel movies · Cartoons.
I also share practical learning and technical perspectives on AI, cloud platforms, machine learning and analytics. A few pieces from my Medium profile:
| 🧠 AWS SageMaker vs Azure ML Studio Architecture, deployment and business use-cases · Oct 2025 | ⚡ Generative AI for the Sustainable Energy Sector Applied GenAI and energy-management ideas · Jan 2025 |
| ☁️ Building Intelligent Solutions with GenAI on Azure Azure AI, RAG and scalable application design · Jan 2025 | 📊 Market Basket Analysis for Everyone Apriori, FP-Growth and ECLAT · Dec 2024 |
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