Senior Software Engineer (Data Engineer)

Morningstar; Navi Mumbai; On-site; INR 1,500,000 - 2,100,000; Full time

Job summary

Morningstar is seeking a Senior Software Developer to join the Data Services team in Navi Mumbai. You will deliver client-ready reports and manage data corrections using Python, SQL, and Excel, with AWS services like Athena and Aurora to ensure scalable data processing and accurate outputs.

You will design AI agents for data tasks, automate repetitive workflows, and collaborate with data engineers, analysts, and client services to meet deadlines while maintaining high quality and compliance

Qualifications

• Proficiency in Python for data processing and scripting.
• Strong SQL skills for complex queries.
• Experience with Pandas/NumPy for data manipulation.
• Knowledge of AWS services (Athena, Aurora, S3).
• Ability to design client-ready reports and data corrections.
• Experience with API integration and data extraction.
• Excellent problem-solving and attention to detail.

Responsibilities

• Develop client-ready reports via the Data Services team.
• Design and deploy AI agents for data and report tasks.
• Develop and maintain correction files and tools for data adjustments.
• Automate repetitive tasks using Python scripts and Excel macros.
• Perform data validation and quality checks to ensure accuracy.
• Collaborate with cross-functional teams to deliver outputs on time.

Skills

Python

SQL

Excel

Pandas

NumPy

AWS

API integration

Data manipulation

Data validation

Problem solving

Education

Bachelor's degree in CS/Engineering

Tools

Athena

Aurora

S3

Job description

Location: Navi Mumbai
Reports to: Tech Team Lead

About the Role

We are looking for a Senior Software Developer to join our Data Services team, specializing in delivering custom client-ready reports and managing data corrections. This role requires strong technical skills in Python, SQL, and Excel, combined with experience in AWS cloud services such as Athena and Aurora. You will play a key role in ensuring clients receive high-quality, tailored data outputs and that corrections are handled efficiently through automated tools and processes.

Key Responsibilities

• 5 to 8 years of experience in Python


• Work on Client Platforms with Data Services Core team to prepare custom Level 3 client reports based on specific requirements and data sets.


• Design, develop, and deploy AI agents capable of performing intelligent data and report functions.


• Develop and maintain correction files and tools to manage data adjustments and ensure accuracy.


• Automate repetitive tasks using Python scripts and Excel macros where applicable.


• Perform data validation, quality checks, and ensure compliance with internal standards.


• Query and manage data using AWS Athena and Aurora, ensuring scalability and performance.


• Collaborate with Sustainalytics Data Services Digital, Client Services, Business Analysts, Data Engineers teams to deliver timely and accurate outputs.


• Document processes and maintain clear guidelines for report generation and correction workflows.


• Stay up-to-date with the latest developments in AI, and client facing technologies.

Required Qualifications

• Bachelors degree in Computer Engineering, Computer Science, or related field.


• Strong proficiency in Python (data manipulation libraries like Pandas, NumPy).


• Strong knowledge of API integration, and data extraction from both structured and unstructured sources.


• Advanced knowledge of SQL for querying and managing relational databases.


• Excellent Excel skills, including formulas, pivot tables, and automation techniques.


• Knowledge of distributed computing and data engineering techniques for scalable data processing.


• Hands‑on experience with AWS services (Athena, Aurora, S3).


• Strong analytical and problem‑solving skills with attention to detail.


• Ability to manage multiple priorities and deliver under tight deadlines.

Preferred Skills

• Experience with data visualization tools (Power BI, Tableau).


• Familiarity with version control (Git) and workflow automation.


• Knowledge of financial data and reporting standards is a plus.

Morningstar is an equal opportunity employer