Senior Principal Software Engineer

Overview About BU: 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 thinkers develops and builds products that position Epsilon as a differentiator, fostering 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 leveraging industry best practices and advanced 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. Why we are looking for youAt 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 platformsThen 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. What will you enjoy in this roleAs a Senior Principal Engineer in the Epsilon Prospect Product Development team, you will architect and implement big data solutions in cloud environments (AWS) with a focus on scalability availability. Responsibilities What will you doArchitect and develop scalable big data solutions leveraging AWS, Spark, and Databricks. Build and optimize real-time and batch data pipelines using Python, PySpark, and streaming technologies. Lead end-to-end software development, from requirement gathering to deployment and documentation. Collaborate with global teams to align technical solutions with business objectives. Mentor and guide junior engineers, fostering innovation and technical excellence. Qualifications B.E/ B.Tech/ M.Tech/ MCA in computer science, Information Technology, Engineering, or a related field. 12-16 years of experience in software engineering and architecture with a strong focus on big data and data engineering. Strong programming expertise in Python and PySpark for data processing and pipeline development. Hands-on experience with Apache Spark and Databricks for large-scale data processing. Extensive AWS experience, including S3, EMR, Redshift, Glue, Athena, EventBridge, Aurora, and RDS. Proficiency in streaming technologies such as Kinesis, SQS, Kafka, and RabbitMQ. Strong background in NoSQL databases like MongoDB or DynamoDB and SQL-based databases like SQL Server, Aurora, and RDS. Expertise in Big Data technologies, Data Warehousing, Data Lakes, and Delta Lake architectures. Hands-on experience with Infrastructure as Code (IaaS) tools like Ansible, Terraform, and AWS CloudFormation. Experience in CI/CD and DevOps using Jenkins, GitLab, and BitBucket for automated deployments. Ability to collaborate effectively with global stakeholders, including engineering, product, and architecture teams. End-to-end ownership of software development, including requirement gathering, definition, development, and documentation. Strong leadership skills with the ability to mentor and guide junior team members. Advantageous to have experience in the following: AWS Databricks Certifications Experience with Azure or GCP 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. Epsilon has a core set of 5 values that define our culture and guide us to create value for our clients, our people and consumers. We are seeking candidates that align with our company values, demonstrate them and make them meaningful in their day-to-day work: Act with integrity. We are transparent and have the courage to do the right thing. Work together to win together. We believe collaboration is the catalyst that unlocks our full potential. Innovate with purpose. We shape the market with big ideas that drive big outcomes. Respect all voices. We embrace differences and foster a culture of connection and belonging. Empower with accountability. We trust each other to own and deliver on common goals. Because You Matter YOUniverse. A work-world with you at the heart of it! At Epsilon, we believe people make the place. And everything we do is designed with you in mind. That s why our work-world, aptly named YOUniverse is focused on creating a nurturing environment that elevates your growth, wellbeing and work-life harmony. So, come be part of a people-centric workspace where care for you is at the core of all we do. Take a trip to YOUniverse and explore our unique benefits, here 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.