Senior Data Engineer

We're Hiring! Data Engineer - Bangalore

Lifesight is on a mission to empower businesses with advanced data intelligence!

We are a fast-growing SaaS company helping brands leverage data & AI for better customer acquisition and retention. With 300+ customers across the US, Singapore, India, Australia, and the UK, we deal with petabytes of data and process 400TB+ daily to power attribution and measurement platforms.

Now, we are looking for a Sr. Data Engineer to join our growing team in Bangalore! If you love working with big data, cloud environments, and cutting-edge technologies like Apache Spark, Kafka, Airflow, Presto, and NoSQL databases, this is the opportunity for you.

What You’ll Be Doing

• Build highly scalable, available, fault-tolerant distributed data processing systems (batch and streaming systems) processing over 100s of terabytes of data ingested every day and petabyte-sized data warehouse and elasticsearch cluster.
• Build quality data solutions and refine existing diverse datasets to simplified models encouraging self-service
• Build data pipelines that optimize on data quality and are resilient to poor quality data sources
• Own the data mapping, business logic, transformations and data quality - Low level systems debugging, performance measurement & optimization on large production clusters
• Participate in architecture discussions, influence product roadmap, and take ownership and responsibility over new projects
• Maintain and support existing platforms and evolve to newer technology stacks and architectures

We’re excited if you have

• Proficiency in Python and pyspark
• Deep understanding of Apache Spark, Spark tuning, creating RDDs, and building data frames. Create Java/ Scala Spark jobs for data transformation and aggregation.
• Experience in big data technologies like HDFS, YARN, Map-Reduce, Hive, Kafka, Spark, Airflow, Presto, etc.
• Experience in building distributed environments using any of Kafka, Spark, Hive, Hadoop, etc.
• Good understanding of the architecture and functioning of Distributed database systems
• Experience working with various file formats like Parquet, Avro, etc for large volumes of data
• Experience with one or more NoSQL databases
• Experience with AWS, GCP
• 5+ years of professional experience as a data or software engineer

Why Join Us?

At Lifesight, we believe in growing together—not just as a company, but as individuals. We foster an

environment where innovation, collaboration, and personal well-being are valued just as much as

business success. Beyond leveraging smart technology to solve complex challenges, we cultivate a

workplace culture that prioritizes work-life balance and team camaraderie.

Here’s what you can expect:

● Be part of one of the fastest-growing and most successful Marketing Measurement Platform

making a global impact.

● Join as an early team member, influencing key decisions on tech stack, product development,

and strategies for building scalable solutions.

● Work in small, agile teams within a non-bureaucratic, fast-paced environment.

● Enjoy a culture of empowerment, where you have the space to achieve your objectives and drive

meaningful impact.

● Receive competitive compensation and benefits.

● Thrive in a collaborative and engaging work environment that values professional growth and

team bonding.