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. Role Over-view: We are seeking a Senior Software Engineer with 5–8 years of experience to lead the development of our high-performance Cloud and AI platforms. This role requires a "polyglot" engineering mindset—primary expertise in Python for GenAI and data orchestration, complemented by strong Java or C# skills for enterprise backend services. You will be responsible for building Agentic AI systems and ensuring they are seamlessly integrated into our cloud-native infrastructure. Click here to view how Epsilon transforms marketing with 1 View, 1 Vision and 1 Voice. Responsibilities Primary Development: Lead the design and implementation of core AI logic, data pipelines, and automation tools using Python. Secondary Integration: Maintain and modernize enterprise backend services and high-volume transactional platforms using Java or C#. AI Platform Engineering: Architect and deliver Enterprise Agentic AI Platforms using AWS Bedrock, LangGraph, and Vector Databases. Cloud-Native Deployment: Deploy and scale applications on AWS using Kubernetes (EKS), ensuring high availability and resilience. Infrastructure as Code: Drive environment consistency and deployment velocity by managing infrastructure via Terraform. Engineering Excellence: Establish and enforce best practices for code quality, architecture reviews, and CI/CD maturity Collaborative Leadership: Partner with stakeholders to align technical platform roadmaps with business outcomes. Qualifications Required Skills & Qualifications Experience: 5–8 years of professional software engineering experience in cloud-native environments. Core Language (Primary): Advanced proficiency in Python for building AI/ML pipelines and autonomous agent frameworks. Core Language (Secondary): Strong professional experience in Java (Spring Boot) or C# (.NET) for building distributed systems. GenAI Expertise: Hands-on experience with RAG architectures, LLM orchestration, and Agentic AI reasoning workflows. Cloud & DevOps: Deep knowledge of AWS services, Docker, Kubernetes, and Terraform. Data Systems: Experience with Databricks, SQL, Redis, and Vector Databases for high-scale data engineering. Education: Bachelor’s degree in computer science or a related engineering field. Preferred Attributes Proven track record of translating AI research concepts into production-ready enterprise systems. Experience with event-driven systems and modernizing legacy architectures into microservices. Strong technical mentorship skills and experience in leading small cross-functional feature teams. 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.