Senior Software Engineer

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 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 you: We are looking for Senior Software Engineer to work on groundbreaking multichannel SaaS Digital Marketing Platform that focuses on uniquely identify the customer s patterns, effectively interact with them across channels and achieve a positive return on marketing investment (ROMI). The platform helps consolidate and integrates the features and functionality typically found in stand-alone services and channel-specific messaging platforms to give marketers a tightly integrated, easily orchestrated, insights-driven, cross channel marketing capability. Primary role of the Senior Software Engineer is to envision and build internet scale services on Cloud using Python and distributed technologies. Responsible for development and maintenance of applications with technologies involving Enterprise Python and Distributed technologies. Collaborate with developers, product manager, business analysts and business users in conceptualizing, estimating and developing new software applications and enhancements. Assist in the development, and documentation of software s objectives, deliverables, and specifications in collaboration with internal users and departments. Collaborate with QA team to define test cases, metrics, and resolve questions about test results. Assist in the design and implementation process for new products, research and create POC for possible solutions. Develop components based on business and/or application requirements Create unit tests in accordance with team policies procedures Advise, and mentor team members in specialized technical areas as well as fulfill administrative duties as defined by support process Create Value-adds that would contribute to Cost Optimizations/ Scalability/ Reliability/Secure solutions What you will enjoy in this role: About the Team and opportunities The India Product Engineering team forms the crux of our powerful PeopleCloud platform and connects millions of customers. The 400+ strong product organization in Epsilon India, is a full-cycle Engineering team that drives architecture, POCs, implementation, Quality Automation, product management, support, operations and DevOps. There are, 25+ Scrum teams as part of the India Engineering center, driving outcomes across the breadth of the Epsilon PeopleCloud suite of products. This team of innovative thinkers develops and builds products that help Epsilon be a market differentiator. They map the future and set new standards for our products, empowered with industry best practices, ML and AI capabilities. The team passionately delivers intelligent end-to-end solutions and plays a key role in Epsilon s success story Tech Stack: Our integrated suite of modular products is designed to help deliver personalized experiences and drive meaningful outcomes. Our tech stack caters to a fusion of data and technology with SaaS offerings developed as a Cloud-first approach. Here, a solid understanding of software security practices including user authentication and authorization and being data-savvy would be key. You should also come with the ability to leverage best practices in design patterns, and design algorithms for software development that focus on high quality and agility. You must also have a good understanding of Agile Methodologies like SCRUM. You can refer this article also. What you will do: You would: Be responsible for development and maintenance of applications with technologies involving Enterprise Python and Distributed technologies. Collaborate with developers, product manager, business analysts and business users in conceptualizing, estimating and developing new software applications and enhancements. Assist in the development, and documentation of software s objectives, deliverables, and specifications in collaboration with internal users and departments. Collaborate with QA team to define test cases, metrics, and resolve questions about test results. Assist in the design and implementation process for new products, research and create POC for possible solutions. Develop components based on business and/or application requirements Create unit tests in accordance with team policies procedures Advise, and mentor team members in specialized technical areas as well as fulfill administrative duties as defined by support process Create Value-adds that would contribute to Cost Optimizations/ Scalability/ Reliability/Secure solutions Click here to view how Epsilon transforms marketing with 1 View, 1 Vision and 1 Voice. Responsibilities We are seeking an experienced DevOps / Cloud Infrastructure Engineer with strong expertise in Linux administration, AWS cloud services, Kubernetes orchestration, Infrastructure as Code (IaC) using Terraform and Ansible, scripting with Shell and Python, and DevOps practices. The ideal candidate will play a key role in designing, building, automating, and maintaining scalable and reliable infrastructure to support mission-critical systems. Linux System Administration: Manage, configure, and monitor production-grade Linux servers ensuring high availability, performance tuning, and security hardening. Cloud Infrastructure (AWS): Design and manage cloud-based infrastructure using core AWS services including EC2, S3, RDS, IAM, VPC, ALB/NLB, CloudWatch, and Lambda. Kubernetes Operations: Deploy, scale, and manage containerized applications in Kubernetes clusters (EKS or self-managed), including Helm, networking policies, RBAC, and monitoring. Infrastructure as Code: Implement and manage infrastructure using Terraform and Ansible, enabling version-controlled, repeatable, and automated deployments. Automation Scripting: Write robust shell scripts and Python programs to automate manual tasks, manage configurations, and integrate third-party services and APIs. Security Compliance: Implement security best practices including IAM policies, secrets management (e.g., AWS Secrets Manager, Vault), and vulnerability scanning. Networking and DNS: Configure VPCs, subnets, route tables, NAT gateways, and DNS management for both cloud-native and on-prem environments. Collaboration Support: Work closely with development, QA, and security teams to troubleshoot issues, optimize performance, and support software releases. Documentation SOPs: Create and maintain detailed documentation including runbooks, architecture diagrams, and SOPs for infrastructure and deployment procedures. Incident Management: Participate in on-call rotation, manage escalations, and drive root cause analysis to improve system resilience. Cloud Cost Optimization: Monitor usage and recommend strategies for cost-effective cloud consumption without sacrificing performance or security. Continuous Improvement: Evaluate new tools and technologies, driving innovation and process improvements in DevOps, SRE, and cloud engineering practices. Qualifications Bachelor s degree or equivalent in computer science Strong experience with Linux (RHEL) system administration and performance tuning. 6+ years of hands-on experience with RHEL 3+ years of hands-on experience with AWS and cloud-native services. Proficient in containerization and orchestration using Docker and Kubernetes. Deep knowledge of Terraform and Ansible for IaC and configuration management. Strong scripting skills in Shell (bash) and Python. Experience managing CI/CD pipelines and version control (Git). Familiarity with security principles, network protocols, and system hardening. Excellent troubleshooting, analytical, and communication skills. 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.