DentsuAegis

Senior Back End Developer

USA - Remote - Illinois Full time

Job Description:

Experience: 5+ years
Employment Type: Full-Time
Location: Remote (working hours aligned to EST or CST)
Reports to: AVP, Technology

Role Overview

As a Senior Backend Developer, you will build and maintain custom backend services that support a large-scale loyalty integration program. You will use Node.js and Java to develop APIs, validate backend deliverables from Enterprise IT, and create middleware layers that support frontend applications. You will collaborate with multiple engineering groups across regions and ensure backend components integrate reliably with the broader system.

What You Will Do

  • Design, develop, and maintain backend services and APIs using Node.js and Java.
  • Build and support Backend-for-Frontend (BFF) layers for web and mobile applications.
  • Review backend deliverables from Enterprise IT teams to confirm they meet integration requirements.
  • Create wrapper or middleware services when upstream APIs require adjustments to support frontend needs.
  • Work with engineering teams to define API contracts and integration points.
  • Participate in Agile ceremonies, backlog refinement, and code reviews.
  • Identify and resolve backend issues in development and production environments.
  • Document backend systems, API specifications, and integration structures.

Required Qualifications

  • 5+ years of hands-on backend development experience using Node.js and Java.
  • Experience building custom backend services (not package- or configuration-based development).
  • Proficiency in REST API design, development, and integration.
  • Experience developing or supporting Backend-for-Frontend (BFF) patterns.
  • Experience collaborating with distributed engineering teams.
  • Experience with relational or NoSQL databases.
  • Experience working in Agile/Scrum environments.
  • Ability to work core hours aligned to EST or CST.

Preferred Qualifications

  • Experience with Kona middleware.
  • Experience with containerization tools such as Docker or Kubernetes.
  • Experience with CI/CD pipelines and DevOps tooling.
  • Experience supporting large-scale digital, data, or loyalty-related systems.

Work Environment

In this role, you will collaborate with engineering teams located in the United States and nearshore regions. You will work within established engineering practices and have access to architectural and technical leadership for support when needed.

The annual salary range for this position is $94,000 - $135,000. Placement within the salary range is based on a variety of factors, including relevant experience, knowledge, skills, and other factors permitted by law.

Benefits available with this position include:

• Medical, vision, and dental insurance,

• Life insurance,

• Short-term and long-term disability insurance,

• 401k,

• Flexible paid time off,

• At least 15 paid holidays per year,

• Paid sick and safe leave, and

• Paid parental leave.

Dentsu also complies with applicable state and local laws regarding employee leave benefits, including, but not limited to providing time off pursuant to the Colorado Healthy Families and Workplaces Act, in accordance with its plans and policies. For further details regarding Dentsu benefits, please visit www.dentsubenefitsplus.com.

To begin the application process, please click on the “Apply” button at the top of this job posting. Applications will be reviewed on an ongoing basis, and qualified candidates will be contacted for next steps.

At dentsu, we believe great work happens when we’re connected. Our way of working combines flexibility with in-person collaboration to spark ideas and strengthen our teams. Employees who live within a commutable distance of one of our hub offices, currently located in Chicago, metro Detroit, Los Angeles, and New York City, are required and expected to work from the office three days per week (two days per week for employees based in Los Angeles). Dentsu may designate other Hub offices at any time. Those who live outside a commutable range may be designated as remote, depending on the role and business needs. Regardless of your work location, we expect our employees to be flexible to meet the needs of our Company and clients, which may include attendance in an office.

Location:

USA - Remote - Illinois

Brand:

Merkle

Time Type:

Full time

Contract Type:

Permanent

Dentsu is committed to providing equal employment opportunities to all applicants and employees. We do this without regard to race, color, national origin, sex , sexual orientation, gender identity, age, pregnancy, childbirth or related medical conditions, ancestry, physical or mental disability, marital status, political affiliation, religious practices and observances, citizenship status, genetic information, veteran status, or any other basis protected under applicable federal, state, or local law. 

 

Dentsu is committed to providing reasonable accommodation to, among others, individuals with disabilities and disabled veterans. If you need an accommodation because of a disability to search and apply for a career opportunity with us, please send an e-mail to ApplicantAccommodations@dentsu.com by clicking on the link to let us  know the nature of your accommodation request and your contact information. We are here to support you.