SDE II - Python Developer, Newton

Designation: SDE II

Office Location: Gurgaon

Position Description:

We’re looking for a skilled Node.js Developer with a strong foundation in data engineering to join our engineering team. You’ll be responsible for building scalable backend systems using modern Node.js frameworks and tools, while also designing and maintaining robust data pipelines and integrations.

Primary Responsibilities:

• Build and maintain performant APIs and backend services using Python and FastAPI.
• Develop and manage ETL/ELT pipelines, data models, schemas, and data transformation logic for analytics and operational use.
• Ensure data quality, integrity, and consistency through validation, monitoring, and logging.
• Work with database technologies (MySQL, MongoDB, Redis, Clickhouse) to store and manage application and analytical data.
• Implement integrations with third-party APIs and internal microservices.
• Use ORMs like Sequelize, Sqlalchemy for data modeling and interaction.
• Collaborate with frontend, DevOps, and data engineering teams to ship end-to-end features.
• Monitor and optimise system performance, logging (e.g., Winston, Pino), and error handling.
• Contribute to CI/CD workflows and infrastructure automation using tools like UV, Poetry, PM2, Docker and Jenkins.
  
  

Required Skills:

• 4+ years of experience in backend development using Python.
• Understanding of data modelling, partitioning, indexing, and query optimization.
• Experience in building and maintaining data pipelines, preferably using custom Node.js scripts.
• Solid understanding of SQL and NoSQL data stores and schema design.
• Familiarity with cloud platforms (AWS/GCP/Azure) and services like S3, Lambda, or Cloud Functions.
• Experience with containerized environments (Docker) and CI/CD.
• Experience with data warehouses (e.g., BigQuery/Snowflake/Redshift/Databricks or similar).
• Familiarity with Data Transformation tool (ex. DBT, SQLMesh) and Data Orchestration (ex. Apache Airflow, Kestra etc)
• Experience with data processing frameworks - Pandas, Numpy, DuckDB, Polars etc.
• Familiarity with messaging systems (e.g., Kafka, Pub/Sub, or Redis Streams).
  
  

Nice To Have:

• Cloud Certification in AWS/GCP/Databricks/Snowflake or similar.
• Experience with distributed data processing tools (eg. Spark, Clickhouse, Trino/Presto or similar)
• Familiarity with Serverless architectures.
  
  

Work Environment Details:

About Affle:

Affle 3i Limited is a global technology company enabling AI-led solutions in mobile advertising. Affle enables advertisers to optimize targeting, personalize user engagement and maximize ROI by combining proprietary data, deep audience insights and advanced generative AI capabilities.

With our market-leading portfolio of tech platforms, we empower brands to move beyond automation toward next-gen experiences with measurable impact. Our consumer intelligence platforms deliver personalized solutions at scale, helping marketers connect with audiences in more relevant and meaningful ways. With innovative tech-powered capabilities, we drive performance across every stage of the mobile marketing journey. We are augmenting our authentic intelligence with AI-powered agents and algorithms, going beyond efficiency to adapt in real time and influence outcomes that matter. Affle 3i Limited is listed on the NSE (AFFLE) and BSE (542752).

For more details: www.affle.com

About BU : Newton

Scale the Impact of Apple Search Ads Campaigns with Newton: Performance-focused Apple Search Ads management platform, powered by data intelligence and in-depth expertise to deliver business growth. Newton is crafted for targeting and optimizing your Apple Search Ads user acquisition campaign for bottom-of-funnel campaign goals - app installs, user activation, product purchases, and more. Utilizing AI-powered keyword suggestions, market insights, automated bid optimization, comprehensive funnel analytics, and dedicated client support, brands can improve visibility and expand the market share of their iOS app with Apple Search Ads. This results in acquiring new customers and driving business growth with an impressive ROI from your mobile advertising efforts.

For more details please visit -https://newtonco.ai/