Senior, Development Engineer

Epsilon; Irving (TX); Hybrid; USD 117,000 - 182,000; Full time

Benefits offered by this job

Comprehensive health coverage

401(k)

Tuition assistance

Commuter benefits

Professional development

Employee recognition

Job summary

Epsilon Data Management LLC in Irving, TX is seeking a Senior Development Engineer to research, design, and develop software and microservices, build responsive UIs, and integrate third‑party APIs in a fast‑paced Agile environment.

You will collaborate with cross‑functional teams, maintain documentation, and drive CI/CD practices with .NET Core, Angular, SQL Server, and cloud‑aware patterns to deliver scalable, reliable applications while aligning with Epsilon’s values.

Qualifications

• Master’s degree in Computer Science, Engineering, Information Technology or related field and 1 year of experience in the offered job or related occupation.
• Experience creating dynamic user interfaces with Angular, AngularJS and JavaScript.
• Experience building scalable microservices with .NET Core and RESTful APIs.
• Experience delivering features via CI/CD and version control (Git).
• Strong SQL Server knowledge, stored procedures, functions, and performance tuning.

Responsibilities

• Research, design, and develop computer and network software or specialized utility programs.
• Design and develop applications, write clean, maintainable, and efficient code.
• Create and manage stored procedures and queries as required.
• Work with QA to improve test coverage and conduct peer testing.
• Build responsive interfaces using front‑end technologies and integrate third‑party APIs.
• Collaborate with cross‑functional teams in Agile ceremonies and daily stand‑ups.
• Document system architecture and microservice interactions; maintain technical docs.
• Refactor legacy code and optimize performance; drive CI/CD and DevOps practices.

Skills

Angular

JavaScript

Bootstrap

CI/CD

GIT

.NET Core

RESTful APIs

SQL Server

Education

Master’s degree in Computer Science or related field

Tools

Angular

AngularJS

JavaScript

Bootstrap

Microservices

.NET Core

RESTful APIs

SQL Server

CI/CD

Git

Job description

Company Description

Employer: Epsilon Data Management LLC

Job Title: Senior, Development Engineer

Job Requisition: 6630.7533.7

Job Location: 6021 Connection Drive, Irving, TX 75039. Required to work from Company Office (Irving, TX) certain days per week. Telecommuting allowed for balance of week

Job Type: Full Time

Responsibilities

Duties: Research, design, and develop computer and network software or specialized utility programs. Design and develop applications, write clean, maintainable, and efficient code. Create and manage stored procedures and queries as required. Work closely with QA teams to address issues and improve test coverage. Conduct peer testing and validation of features before deployment. Build responsive and dynamic user interfaces using front-end technologies. Integrate third-party APIs and services into applications. Collaborate with Cross-Functional Teams, attending daily stand-ups and Agile ceremonies like sprint planning, retrospectives, and backlog grooming. Coordinate with designers to ensure user-friendly interfaces and a cohesive user experience. Document system architecture, including the design and structure of microservices and database interactions. Maintain up-to-date technical documentation for future development and maintenance. Maintain and enhance existing applications, debugging and fixing issues reported by end-users or QA teams. Refactor legacy code to improve maintainability and scalability. Optimize application performance and ensure efficient resource usage. Design and develop microservices, designing microservices that are scalable, resilient, and easy to deploy. Enforce solid principles, DRY (Don't Repeat Yourself), and other design patterns. Follow DevOps practices and ensure smooth Continuous Integration/Continuous Deployment. Respond promptly to high priority incidents and outages. Collaborate with other teams to diagnose and resolve production issues

Qualifications

Position requires: Employer will accept a Master’s degree in Computer Science, Engineering, Information Technology or related field and one year of experience in the job offered or one year of experience in any occupation in which the required experience was gained. Position also requires one year of experience in each of the following:

1. Create efficient, dynamic user interfaces that respond in real-time to user interactions without requiring full page reloads using Angular, Angular JS and JavaScript.
2. Achieve consistent and visually appealing layouts that work across various screen sizes and devices with minimal custom CSS via Bootstrap.
3. Create applications that are easier to scale, maintain, and deploy, allowing for independent updates and better fault isolation by implementing Microservices using .Net Core and RESTful APIs
4. Deliver features and updates to production environments quickly and reliably, minimizing downtime and manual intervention by leveraging CI/CD and GIT
5. Implement messaging patterns with Asynchronous workflows in microservices architectures.
6. Leverage SQL Server effectively, to ensure that the data layer of the applications is robust, scalable, and optimized, enabling efficient handling of complex data operations and business rules at the database level by implementing Stored Procedures, User defined Functions, Performance Tuning.

Required to work from Company Office (Irving, TX) certain days per week. Telecommuting allowed for balance of week

Additional Information

When you join Epsilon, we’ll create something EPIC together.We’re a global leader in data and identity, with deep expertise in digital media, clean rooms, customer data platforms, loyalty and marketing services. Positioned at the center of Publicis Groupe, Epsilon helps brands deliver personalized experiences at scale and build lasting customer relationships by unlocking the full potential of data and identity. Epsilon operates in 30+ countries across EMEA, the Americas and APAC, with more than 8,000 employees.

Check out a few of these resources to learn more about what makes Epsilon so EPIC:

Our Culture: https://www.epsilon.com/us/about-us/our-culture-epsilon

Life at Epsilon: https://www.epsilon.com/us/about-us/epic-blog

Epsilon has five values that define our culture and guide us as we create value for our clients, our people and consumers. We seek candidates who 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

As an Epsilon employee, you deserve perks and benefits that put you, your family and your finances first. Our benefits encompass a wide range of offerings, including but not limited to:

• Time to recharge: Flexible time off (FTO), 14 paid holidays, paid sick time
• Family well-being: Parental/new child leave, childcare & elder care assistance, adoption assistance
• Extra perks: Comprehensive health coverage, 401(k), tuition assistance, commuter benefits, professional development, employee recognition, charitable donation matching, health coaching and counseling

Epsilon benefits are subject to eligibility requirements and other terms.

Epsilon is an Equal Opportunity Employer. Epsilon’s policy is not to discriminate against any applicant or employee based on actual or perceived race, age, sex or gender (including pregnancy), marital status, national origin, ancestry, citizenship status, mental or physical disability, religion, creed, color, sexual orientation, gender identity or expression (including transgender status), veteran status, genetic information or any other characteristic protected by applicable federal, state or local law. Epsilon also prohibits harassment of applicants and employees based on any of these protected categories. Epsilon will provide accommodations to applicants who need accommodations to complete the application process. Please reach out to [e-mail] to request an accommodation.

For San Francisco Bay and Los Angeles Areas: Epsilon will consider qualified applicants with criminal histories for employment in a manner consistent with the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance and San Francisco Police Code Sections 4901-4919, commonly referred to as the San Francisco Fair Chance Ordinance. Applicants with criminal histories are welcome to apply.

Compensation Range: USD $116,896.00 - USD $182,000.00/Annually. This is the pay range the Company believes it will pay for this position at the time of this posting. Consistent with applicable law, compensation will be determined based on the skills, qualifications, and experience of the applicant along with the requirements of the position, and the Company reserves the right to modify this pay range at any time. Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan through a third-party benefits administration system once certain criteria have been met. For regular roles, the Company will offer medical coverage, dental, vision, disability, 401k, and paid time off. The Company anticipates the application deadline for this job posting will be 12/28/2026.