Job Description

Job Title:

Senior ETL Developer

Location:

Gurugram

Work mode:

Monday- Friday (WFO) Odd Saturdays (WFH), Even Saturdays (Off)

Experience:

6+ Years in IT

Notice Period:

Immediate to 15 days

Must-Have Experience:

(Minimum 5+ years in ETL, with strong Apache NiFi expertise)

Required Skills

- Apache Nifi, AWS, SQL, Data Pipeline development using ETL tool, Java/Python

Job Summary

We are seeking an experienced

Senior ETL Developer

with deep expertise in

Apache NiFi, PostgreSQL, and large-scale data pipelines

. This role involves building and optimizing

high-performance ETL workflows

across massive data environments (handling thousands of processors, e.g., 5000+ in a single PG setup). The ideal candidate is a problem solver who thrives in fast-paced environments and has hands-on experience with

scalable, reliable, and secure data systems

.

Key Responsibilities

Design, develop, and maintain

robust ETL pipelines

for large and complex datasets. Build, optimize, and troubleshoot SQL/PLpgSQL queries in

PostgreSQL

, ensuring efficiency in high-concurrency environments. Manage and scale environments with

5000+ processor instances

in PostgreSQL or equivalent setups. Ingest, process, and validate data from multiple sources while ensuring

data integrity, consistency, and availability

. Monitor ETL workflows, identify bottlenecks, and apply

performance tuning

techniques. Collaborate with data architects, analysts, and business stakeholders to define and deliver data requirements. Implement and maintain

data quality, validation, and reconciliation

across systems. Document ETL processes, pipelines, and data architectures. Ensure compliance with

data security, governance, and privacy standards

.

Required Skills & Experience

5+ years of ETL development experience

with complex data workflows. Strong hands-on expertise in

Apache NiFi (must-have)

. Advanced experience with

PostgreSQL

(query optimization, scaling in massively parallel systems). Proven ability to work in

large-scale environments

(e.g., 5000+ processor instances). Proficiency in

SQL, PL/pgSQL

, and performance tuning techniques. Hands-on experience with ETL tools like

Talend, Informatica, Airflow

, etc. Familiarity with

big data ecosystems

(Hadoop, Spark, Kafka) is a plus. Strong knowledge of

data modeling, warehousing, and governance principles

. Excellent

problem-solving, debugging, and analytical skills

.

Preferred Qualifications

Experience with

cloud platforms

(AWS, GCP, Azure). Exposure to

DevOps and CI/CD practices

for data pipelines. Hands-on experience with

real-time streaming data processing

. Knowledge of scripting languages (

Python, Bash

, etc.).

Education

Bachelor's or Master's degree in

Computer Science, Data Engineering, or a related field

.
Job Types: Full-time, Permanent

Pay: ₹2,500,000.00 - ₹3,200,000.00 per year

Application Question(s):

How many years of experience you have in ETL, with strong Apache NiFi expertise? How many years of experience you have in AWS, SQL, Data Pipeline development using ETL tool, Java/Python? Notice Period? What's your current CTC?
Work Location: In person