Java software engineer Jobs in Thornton co

Company Description
Overview
At Epsilon, we do more than collect and store data. We help some of the world's biggest brands discover real opportunities inside the data types, delimiters and decimals. We're looking for an experienced Software Engineer to join Epsilon's Development Team in our Data Practice.

In this role with our company, you will work in a group that is not only focused on their project work but also their efficiency, compliance, standards, situational awareness, and readiness. You'll be a critical part of a fast-moving, innovative team where you'll work independently in some situations as well as working with a greater team in tasks that require full collaboration.

Responsibilities

• Interacting with the project manager and client representatives to clarify business rules as outlined in the business requirements document.
• Participates in the development, testing and maintenance of software applications under the guidance of senior engineers to implement robust high volume production applications using, Java, C++, Perl, SQL, UNIX, and various ETL tools.
• Assists in the creation of technical specifications, design documentation, and process flows.
• Adhering to production standards in all work products and participating in the refinement of those standards to improve quality and productivity
• Documenting all work and facilitating transfer of ongoing operational responsibility to the production staff.
• Follows established coding standards, development processes, and best practices while contributing reusable code components where appropriate.
• Participates in release retrospectives and continuous improvement activities.
• Participates in technical design discussions and code reviews and incorporates feedback.
• Collaborates with senior engineers, business analysts, and project team members to understand requirements.
• Writes clean, maintainable, and well-documented code. Develops tests, debugs, troubleshoots and resolves software defects to support software solutions.
• Learns and applies architectural, security, and development best practices.
• Effectively manages assigned work items and priorities using Jira.
• Demonstrates a willingness to learn new technologies and development practices.

Qualifications

• B.S. in Computer Science, Computer Engineering, or a similarly related field.
• Dependable with the ability to learn quickly, to work well individually and/or part of a team
• Excellent written and verbal communication skills
• Professional exposure to web services, APIs, and data integration concepts.
• Experience with Git, Jira and modern development tools.
• 1-3 years of job related experience and/or directly related college coursework in most if not all of the following areas:
  • Application programming experience using Java, .NET, UNIX scripting, C++/C#, Python, JavaScript or SQL.
  • Familiarity with relational databases such as Oracle, SQL Server, PostgreSQL, or MySQL.
  • Familiarity with prompt engineering concepts and effective AI collaboration techniques.
  • Exposure to AWS cloud services and cloud-native application concepts.
  • Familiarity with cloud deployment, monitoring and CI/CD practices.
  • Interest in learning AWS services such as EC2, ECS, Lambda, RDS, S3 or related technologies.
  • Familiarity with multi-threaded parallel system application components.
  • Experience with build and test automation tools and practice.
  • Exposure to building metadata driven front-end application.
  • Knowledge of object-oriented programming concepts and software design principles.

Why you might stand out from other talent:

• Exposure to AI-assisted software development tools such as Cursor, GitHub Copilot, or similar coding assistants is a plus
• Exposure to containerization technologies such as Docker is a plus
• Exposure to cloud platforms (AWS preferred).

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

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 LeaveofAbsence@epsilon.com 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.

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Compensation Range: USD $73,500.00 - USD $136,500.00/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 11/9/2026.