Staff, Software Engineer

Actively Reviewing the Applications

Epsilon

Bengaluru On-site

Posted 9 hours ago • Apply by June 17, 2026

Job Description

Overview
About Business Unit:
The Product team forms the crux of our powerful platforms and helps connect millions of customers worldwide with the brands that matter most to them. This team of innovative problem solvers develops and builds products that position Epsilon as a differentiator, encouraging an open and balanced marketplace built on respect for individuals, where every brand interaction holds value. Our full-cycle product engineering and data teams chart the future and set new benchmarks for our products, by using industry standard methodologies and sophisticated capabilities in data, machine learning, and artificial intelligence. Driven by a passion for delivering smart end-to-end solutions, this team plays a key role in Epsilon's success story.

A bit about who we are looking for:
At Epsilon, we run on our people's ideas. It's how we solve problems and exceed expectations. Our team is now growing, and we are on the lookout for talented individuals who always raise the bar by constantly challenging themselves and are experts in building customized solutions in the digital marketing space.

So, are you someone who wants to work with cutting-edge technology and enable marketers to create data-driven, omnichannel consumer experiences through data platforms? Then you could be exactly who we are looking for.

Apply today and be part of a creative, innovative, and talented team that's not afraid to push boundaries or take risks.

Click here to view how Epsilon transforms marketing with 1 View, 1 Vision and 1 Voice.

Responsibilities
What you'll do:
We seek Software Engineers with experience building and scaling services in on-premises and cloud environments.

As a Lead/Principal Engineer in the Epsilon Attribution/Forecasting Product Development team, you will design, implement, and optimize data processing solutions using Scala, Spark, and Hadoop. Collaborate with cross-functional teams to deploy big data solutions on our on-premises and cloud infrastructure along with building, scheduling and maintaining workflows. Perform data integration and transformation, troubleshoot issues, Document processes, communicate technical concepts clearly, and continuously enhance our attribution engine/forecasting engine.

Strong written and verbal communication skills (in English) are required to facilitate work across multiple countries and time zones. Good understanding of Agile Methodologies - SCRUM.

Qualifications

Strong experience (12+ years) in Scala programming language and extensive experience with Apache Spark for big data processing for developing and supporting both on-prem and cloud operations, especially on AWS and as needed with GCP cloud
Using Python to develop infrastructure modules. Hence, hands-on experience with python.
In-depth understanding of the Hadoop ecosystem, including HDFS, YARN, and MapReduce.
Solid grasp of database systems and SQLs for writing efficient SQLs(RDBMS/Warehouse) to handle TBS of data.
Experience in building, scheduling and maintaining DAG workflows.
Familiarity with data warehousing concepts and technologies.
End-to-end ownership with definition, development, and documentation of software's objectives, business requirements, deliverables, and specifications in collaboration with stakeholders.
Experience in working on GIT (or equivalent source control)
Understand Unit and integration test frameworks
Must have the ability to collaborate with stakeholders/teams to understand requirements and develop a working solution
Ability to work within tight deadlines and effectively prioritize and execute tasks in a high-pressure environment.
Must be able to mentor junior staff

Advantageous to have experience on below:

Hands-on with Databricks for unified data analytics, including Databricks Notebooks, Delta Lake, and Catalogues.
Proficiency in using the ELK (Elasticsearch, Logstash, Kibana) stack for real-time search, log analysis, and visualization
Strong background in analytics, including the ability to derive actionable insights from large datasets and support data-driven decision-making
- Experience with data visualization tools like Tableau, Power BI, or Grafana.
- Familiarity with Docker for containerization and Kubernetes for orchestration

Additional Information
Epsilon is a global data, technology and services company that powers the marketing and advertising ecosystem. For decades, we've provided marketers from the world's leading brands the data, technology and services they need to engage consumers with 1 View, 1 Vision and 1 Voice. 1 View of their universe of potential buyers. 1 Vision for engaging each individual. And 1 Voice to harmonize engagement across paid, owned and earned channels.

Epsilon's comprehensive portfolio of capabilities across our suite of digital media, messaging and loyalty solutions bridge the divide between marketing and advertising technology. We process 400+ billion consumer actions each day using advanced AI and hold many patents of proprietary technology, including real-time modeling languages and consumer privacy advancements. Thanks to the work of every employee, Epsilon has been consistently recognized as industry-leading by Forrester, Adweek and the MRC. Epsilon is a global company with more than 9,000 employees around the world.

Our pillars aren't just words. They're how we show up every day.

People centricity: We focus on employee well-being in an environment where colleagues truly care about each other.
Collaboration: We work together, support one another, and collectively achieve goals.
Growth: There are endless opportunities for growth through learning, development and career advancement.
Innovation: We drive progress through cutting-edge solutions and forward-thinking approaches.
Flexibility: We've created a balance between work and personal life, and we encourage adaptability to solve problems creatively.

Our values guide us to create value for our clients, our people and consumers.

Act with integrity
Work together to win together
Innovate with purpose
Respect all voices
Empower with accountability

These pillars and values are our foundation-shaping our culture, guiding our decisions, and uniting us in common purpose.

Epsilon is an Equal Opportunity Employer.
Epsilon is committed to promoting diversity, inclusion, and equal employment opportunities by using reasonable efforts to attract, recruit, engage and retain qualified individuals of all ethnicities and backgrounds, including, but not limited to, women, people of color, LGBTQ individuals, people with disabilities and any other underrepresented groups, traits or characteristics.