Lead Software Engineer

Overview

About Business Unit:

The Automotive Practice at Epsilon is a rapidly growing team, driving growth for major players in the automotive industry - from Original Equipment Manufacturers (OEMs) to dealerships across North America. Part of a 1,600-member global team, the practice provides the automotive world’s largest service reminder platform, alongside agency services and digital media solutions. A leader in the automotive space, the team supports over 50% of auto dealerships in North America and manages relationships with over 280 million customers. Home to innovation and cutting-edge technology, our Auto team leads the game in developing best-in-class software and solutions for hyper-personalized digital marketing.

About the Role:

This position is responsible for the development, implementation and maintenance of .net based applications and components for the automotive marketing platform.  This includes designing, developing, testing, analyzing and maintaining new software applications in support of the achievement of business requirements. 

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

Responsibilities

• Lead the design, architecture, and development of applications using .NET Core, C#, SQL Server, Angular, VueJS, JavaScript, HTML5, Bootstrap, and related technologies.
• Architect and implement microservices and component-based solutions with a focus on scalability, performance, and security.
• Collaborate with developers, QA, product managers, and business partners to deliver robust and high-quality software solutions.
• Review and contribute to technical design documents, architecture diagrams, and solution strategies.
• Provide hands-on technical expertise in coding, performance optimization, and troubleshooting.
• Mentor and coach junior engineers on software engineering guidelines, design principles, and coding standards.
• Drive technical decision-making and guide solution trade-offs for new features and initiatives.
• Create and maintain unit and integration tests, ensuring system reliability and maintainability.
• Act as a key responder for critical production issues and lead cross-team incident resolution.
• Contribute to process improvements, automation, and adoption of new tools and practices.
• Integrate AI/ML models within .NET applications to deliver intelligent, data-driven solutions.
• Work with cloud platforms (Azure/AWS) to design, deploy, and optimize applications in a scalable environment.

Qualifications

• 9+ years of software development experience with recent leadership in technical design/architecture.
• Bachelor’s degree in Computer Science or related field.
• Strong expertise in .NET Core, C#, ASP.NET, and SQL Server/Oracle.
• Proficiency in front-end frameworks (Angular, VueJS, JavaScript, jQuery, HTML5, Bootstrap).
• Experience in microservices, REST APIs, caching (Redis), and modern web architecture patterns.
• Hands-on experience with cloud platforms (Azure/AWS) and automation.
• Exposure to AI/ML concepts and integrating ML models into .NET applications.
• Knowledge of security standards (OAuth, OWASP, SAML, SSO).
• Strong problem-solving, analytical, and communication skills.
• Ability to mentor teams and deliver solutions in Agile/Scrum environments.

Preferred Qualifications

• Experience with Visual Studio 2019+, Azure DevOps, Git, and NoSQL solutions.
• Familiarity with Service Bus architecture.
• Automotive marketing domain knowledge (a plus).
• Strong interpersonal, leadership, and time-management skills with a can-do attitude.

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.