Avik Mandal  // Data Engineer → Data + AI Engineer

Bangalore, India  •  Shipping data platforms  •  Building with AI, building for AI


~/flow  how the work flows

flowchart LR
    A[("SOURCES<br/>Kafka · APIs · S3")]
    B["INGEST<br/>Flink · Spark · Glue"]
    C["ORCHESTRATE<br/>Airflow 3.x · MWAA"]
    D[("LAKE<br/>Iceberg · S3 · MinIO")]
    E["QUERY<br/>Trino · Athena · DuckDB"]
    F(["AI LAYER<br/>LLM tooling · RAG · Bedrock"])
    G[["PRODUCTS<br/>dashboards · features · agents"]]

    A --> B --> C --> D --> E --> G
    D -.-> F -.-> G
    C -.-> F

    classDef ai fill:#2D1B4E,stroke:#8957E5,stroke-width:2px,color:#E6EDF3;
    classDef core fill:#161B22,stroke:#30363D,color:#E6EDF3;
    class F,G ai;
    class A,B,C,D,E core;

The solid path is where I’ve lived for a decade. The dotted path is where I’m building next.


~/focus  right now

Platform workAirflow 3.x · Kubernetes · Iceberg + Trino lakehouse patterns
AWSMWAA · EMR · Glue · Athena · S3 · Lambda · ECS
AI in the loopUsing AI across the dev cycle — design, code, review, docs
AI in the productShipping features where AI measurably improves UX
LearningAWS Data Engineer cert · Go for backend services · model serving

~/projects  pinned

local-infra-setup
Local dev infra with all services wired together.
Shell · Docker · Makefile
airflow3-dags
Production-style DAG patterns exploring Airflow 3.x.
Python · Airflow 3.x

~/stack  by layer

ORCHESTRATION
AWS
INFRA
LANGUAGES
DATA
AI / ML upskilling →

~/stats  github signal


~/talks  speaking & open source

🎤 Speaking

Airflow DAG patterns at scale
Internal tech talks — production-grade orchestration, failure modes, observability.

Data platform case studies
Lakehouse architecture, cost/perf trade-offs. Available on request.

→ Invite me to speak

🌱 Open Source

Airflow community
Contributing around Airflow 3.x patterns, providers, and dev ergonomics.

Local-dev tooling
local-infra-setup — batteries-included dev stack.

→ All repositories

✍️ Writing

Production DAG patterns
Notes on idempotency, backfills, and observability in Airflow.

AI-augmented engineering
What actually moves the needle in the daily dev loop.

→ Posts on LinkedIn

~/ask-me-about

Apache Airflow  ·  Data pipeline design  ·  Kubernetes for data  ·  Data lake architecture  ·  AWS data stack  ·  AI-augmented development  ·  Shipping AI features in data products