Sr. API developer

Apex Systems; Merrifield (VA); Hybrid; USD 120,000 - 160,000; Full time

Benefits offered by this job

Benefits package

ESPP

401K with company match

Job summary

Everforth Apex Systems is seeking a Senior API Developer to design and implement Core Banking APIs in a multi‑cloud, secure enterprise environment. This role requires hands‑on expertise with OCI and Oracle Core Banking platforms and involves building CI/CD pipelines, automation, and secure integrations across Azure and on‑prem environments.

The ideal candidate will have strong Java, Python, Kafka, and PowerShell skills, and experience with Postman, MuleSoft, and Oracle APIs.

Qualifications

• Engineering experience required; Oracle Core Banking or Temenos Core Banking preferred.
• Proficiency in Java, Python, Kafka and PowerShell scripting.

Responsibilities

• Configure Oracle Cloud Core Banking services for the banking platform.
• Manage Azure administration, including users, groups, SSO, and access control, as well as Azure and Oracle cloud networking.
• Build Azure DevOps CI/CD pipelines for API testing using Postman and Newman CLI.
• Automate configuration deployments using Azure DevOps and PowerShell.
• Develop workflows and manage projects in Oracle Integration Cloud (OIC).
• Create Postman collections for core banking APIs and integrate MuleSoft and Oracle APIs with mTLS security.
• Leverage OCI GoldenGate and Azure Data Lake for data solutions.
• Implement monitoring, metrics, and alert capabilities using Oracle Cloud tools and Dynatrace.
• Support Disaster Recovery across Azure, OCI, and on-premise environments.

Skills

Java

Python

Kafka

PowerShell

Tools

OCI

Azure

Oracle Integration Cloud (OIC)

Postman

Newman CLI

MuleSoft

Oracle Core Banking

Dynatrace

Job description

Job#: 3041822

Job Description:

Sr. API developer

Location: Merrifield, Virginia (Hybrid)

Role Overview

We are seeking a Senior API Developer with strong experience in Core Banking APIs. The ideal candidate will be a skilled Cloud and Platform Engineer with hands‑on experience in Oracle Cloud Infrastructure (OCI) and Oracle Core Banking platforms. This role involves expertise in multi‑cloud integrations, automation, DevOps pipelines, and designing secure enterprise systems within banking environments.

Key Responsibilities

• Configure Oracle Cloud Core Banking services for the banking platform.
• Manage Azure administration, including users, groups, SSO, and access control, as well as Azure and Oracle cloud networking.
• Build Azure DevOps CI/CD pipelines for API testing using Postman and Newman CLI.
• Automate configuration deployments using Azure DevOps and PowerShell.
• Develop workflows and manage projects in Oracle Integration Cloud (OIC).
• Create Postman collections for core banking APIs and integrate MuleSoft and Oracle APIs with mTLS security.
• Leverage OCI GoldenGate and Azure Data Lake for data solutions.
• Implement monitoring, metrics, and alert capabilities using Oracle Cloud tools and Dynatrace.
• Support Disaster Recovery across Azure, OCI, and on-premise environments.

Required Qualifications

Experience: Engineering experience is required. Experience with Oracle Core Banking or Temenos Core Banking products is highly preferred.

Technical Skills: Proficiency in Java, Python, Kafka, and PowerShell scripting is necessary.

Preferred Qualifications

• Banking domain experience is preferred.
• Certifications in Azure or Oracle cloud are preferred.

Everforth Apex is a world‑class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRateds Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico.

Everforth Apex Benefits Overview: Everforth Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Everforth Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Everforth Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Everforth Apex team member can provide.

Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you require an accommodation under the Americans with Disabilities Act to participate in an interview with a virtual recruiter or to use our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. Please note that this contact information is strictly to be used for medical ADA accommodations and that no other inquiries will be answered.

UnitedHealthcare creates and publishes the Transparency in Coverage Machine‑Readable Files on behalf of Everforth Apex Systems.

© 2026 Everforth, Inc. All rights reserved.

Everforth Apex Systems is part of the Commercial Segment of Everforth, Inc.

NYSE: EFOR

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

Everforth Apex is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Everforth Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law.

If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine‑Readable Files on behalf of Everforth Apex.