Data Engineer Python Developer

Citibank (Switzerland) AG; Pune District; Hybrid; Confidential; Full time

Job summary

Citibank (Switzerland) AG in Pune, India, is seeking a Data Engineer Python Developer to join our hybrid team. You will participate in the development of data-driven applications and ETL pipelines, leveraging Python and PySpark on big data platforms.

Strong SQL/NoSQL skills and Unix/Linux scripting are essential to optimize performance and reliability. The role requires 4+ years of experience, with preference for cloud platforms like Snowflake and Databricks, and experience with Ab Initio ETL

Qualifications

• 4+ years of experience in application systems and programming.
• Proficient in Python and PySpark for big data projects.
• Experience with cloud data platforms (Snowflake, Databricks) is preferred.
• Knowledge of ETL tools like Ab Initio and data warehousing concepts.
• Strong SQL/NoSQL experience (MongoDB).
• Unix/Linux shell scripting and performance tuning of ETL jobs.
• Excellent problem-solving and communication skills.

Responsibilities

• Participate in feasibility studies, planning, and design of new or revised systems.
• Develop, test, and deploy data-driven applications and pipelines.
• Analyze complex problems and provide evaluative judgments on business processes.
• Implement security measures and ensure compliance in post-implementation usage.
• Collaborate with users and technology groups to deliver solutions.
• Mentor junior analysts and operate with limited supervision.

Skills

Python

Pyspark

Big data

Shell scripting

SQL

NoSQL

Education

Bachelor's degree

Tools

Ab Initio

Snowflake

Starburst

Databricks

Hadoop

Spark

Hive

MongoDB

Job description

## Data Engineer Python DeveloperApply: Hybrid: Pune Maharashtra India: 1/124, SHIVAJI GARDENS, MOONLI: Full time: Posted Today: 26975041The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. **Responsibilities:*** Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implement new or revised applications systems and programs to meet specific business needs or user areas* Monitor and control all phases of development process and analysis, design, construction, testing, and implementation as well as provide user and operational support on applications to business users* Utilize in-depth specialty knowledge of applications development to analyze complex problems/issues, provide evaluation of business process, system process, and industry standards, and make evaluative judgement* Recommend and develop security measures in post implementation analysis of business usage to ensure successful system design and functionality* Consult with users/clients and other technology groups on issues, recommend advanced programming solutions, and install and assist customer exposure systems* Ensure essential procedures are followed and help define operating standards and processes* Serve as advisor or coach to new or lower level analysts* Has the ability to operate with a limited level of direct supervision.* Can exercise independence of judgement and autonomy.* Acts as SME to senior stakeholders and /or other team members.* Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.**Qualifications:*** **4+ years** of experience* **Primary Skills - Python, Pyspark, Big data technology is must*** **Cloud technology expertise and experience like snowflake, starburst, data bricks is preferred*** Knowledge of ETL tools like AbInitio is preferred in Financial/Investment banking domain.* Knowledge of ETL processes, data warehousing, and data modeling concepts.* Work with databases (SQL & NoSQL) such as MongoDB, etc.* Experience working with big data technologies (Hadoop, Spark, Hive) is a plus.* Strong knowledge of shell scripting and Unix/Linux environments.* Experience with performance tuning and optimization of ETL jobs.* Excellent problem-solving, analytical, and communication skills.**Education:*** Bachelor’s degree/University degree or equivalent experience