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Data Engineer

Data Engineer at Mango Sciences · Remote only · 5 - 7 years · ₹10L - ₹15L / yr · Raised funding · Remote only · Posted 29 May 2026

Mango Sciences's logo

Data Engineer

Human Resource's profile picture
Posted by Human Resource
5 - 7 yrs
₹10L - ₹15L / yr
Remote only
Skills
SQL
SQL quries
designing schema
writing stored proc functions and indexes
skill iconPython
ETL
cloud

Job description:

Role Overview

We are seeking a Senior SQL Developer & ETL Engineer with 5+ years of experience for a 100% remote opportunity.

Please note: This is not a standard Big Data / Infra-heavy Data Engineering role. We are specifically looking for a SQL Specialist. Your core strength must lie in relational database development, schema design, and writing high-performance database logic. Python will be your primary tool for moving and orchestrating data, but SQL and database architecture are the heart of this role.

Key Responsibilities

  • Database Architecture & Schema Design: Design, implement, and maintain robust relational database schemas, ensuring optimal data modeling (OLTP and OLAP/Data Warehousing).
  • Advanced Database Programmability: Write, debug, and optimize complex Stored Procedures, Functions, Triggers, and Views to handle core business logic at the database level.
  • Performance Tuning & Indexing: Analyze query execution plans, identify bottlenecks, and implement advanced indexing strategies, partitioning, and query refactoring to ensure sub-second response times.
  • Python ETL/ELT Pipelines: Develop, schedule, and maintain scalable data ingestion and transformation pipelines using Python to connect disparate data sources.
  • Data Integrity & Governance: Establish constraints, data validation routines, and automated quality checks to guarantee absolute data accuracy.

Required Technical Skills

  • Expert-Level SQL & DB Programmability (5+ Years): Mastery of writing complex queries (CTEs, Window Functions, Analytical queries) and server-side logic (Stored Procedures/Functions) in platforms like PostgreSQL, SQL Server, Oracle, or MySQL.
  • Advanced Database Optimization: Deep understanding of how databases work under the hood—specifically indexing (B-Tree, Hash, Clustered/Non-Clustered), execution plans, statistics, and locking/concurrency mechanisms.
  • Python for Data Ingestion (3+ Years): Proficient in writing clean, modular Python scripts for data manipulation, API integration, and ETL processing (using libraries like Pandas, SQLAlchemy, or custom database connectors).
  • Data Modeling Methodologies: Practical experience designing Star/Snowflake schemas, Normalization (3NF), and handling Slowly Changing Dimensions (SCD).

Remote & Soft Skills

  • Autonomous Execution: Proven ability to manage your own time, architecture tasks, and deliverables without micromanagement.
  • Asynchronous Communication: Exceptional written and verbal English communication skills to collaborate seamlessly across time zones.
  • Legacy Refactoring Mindset: You enjoy opening up a massive, poorly optimized 500-line stored procedure and refactoring it for 10x performance.

Nice-to-Haves

  • Experience migrating legacy on-premise stored procedures to modern cloud data warehouses (Snowflake, BigQuery, Redshift).
  • Familiarity with workflow orchestration tools like Apache Airflow or Prefect.
  • Experience with dbt (data build tool).

Work Location: Remote

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Shubham Vishwakarma

Full Stack Developer - Averlon
I had an amazing experience. It was a delight getting interviewed via Cutshort. The entire end to end process was amazing. I would like to mention Reshika, she was just amazing wrt guiding me through the process. Thank you team.
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About Mango Sciences

Founded :
2019
Type :
Product
Size :
20-100
Stage :
Raised funding

About

Mango Sciences is a leading emerging market data science company connecting millions of underrepresented patients to precision medicine. The company’s Querent™ platform utilizes industry-leading AI analytics to transform deep clinical data into key insights that drive global health improvements. Mango Sciences is currently partnering with hospitals to understand the health data of individuals in India and other emerging markets to drive advancement in patient care and drug discovery for all populations.

 

Website- https://mangosciences.com/

Industry- Health Technology

Headquarters - Boston, Massachusetts

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Tech stack

Generative AI
Agentic AI
Large Language Models (LLM)
skill iconData Science
skill iconMachine Learning (ML)
Natural Language Processing (NLP)
RWE
skill iconPython
SQL
SQL quries
Tableau
Health care IT
EMR/EHR
Google Cloud Platform (GCP)
Microsoft Windows Azure
skill iconAmazon Web Services (AWS)
DevOps
ETL
UI/UX
Data engineering

Company social profiles

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