Server-Side API Engineer (Kotlin/Java, REST & GraphQL) – Mobile Service Layer

Pyramid, Inc

New York City, NY

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JOB DETAILS

SALARY

$62–$65 Per Hour

JOB TYPE

Full-time

SKILLS

Application Programming Interface (API), Artificial Intelligence (AI), Automation, Consulting, Continuous Deployment/Delivery, Continuous Integration, Debugging Skills, Docker, Engineering, Equipment Maintenance/Repair, Financial Services, GitHub, Gradle, GraphQL, Healthcare, Java, Java Code Refactoring, Jenkins, Kotlin, Microservices, Performance Testing, Performance Tuning/Optimization, Product Design, Quality Assurance, REST (Representational State Transfer), Refactoring, Server Programming/Applications, Short Messaging Service (SMS), Test Automation, Testing, User Interface/Experience (UI/UX)

LOCATION

New York City, NY

POSTED

1 day ago

Immediate need for a talented Server-Side API Engineer (Kotlin/Java, REST & GraphQL) – Mobile Service Layer. This is a 06+months contract opportunity with long-term potential and is located in New York City, NY(Onsite). Please review the job description below and contact me ASAP if you are interested. Job ID: 26-19193 Pay Range: $62/hr - $65/hour. Traveler benefits as per agency package. (Benefits vary by vendor and assignment). Key Responsibilities: Design, build, and maintain server-side applications and APIs. Develop the Mobile Service Layer / BFF consumed by American Express mobile applications. Create scalable REST and GraphQL services. Write clean, maintainable, production-ready Kotlin and Java code. Refactor and modernize legacy services while building new functionality. Troubleshoot production issues and deliver permanent fixes. Work across CI/CD pipelines, testing, performance tuning, and deployment automation. Collaborate with engineers, product managers, designers, and QA teams in a large-scale agile environment. Key Requirements and Technology Experience: 5+ years of backend engineering experience; 10–12 years is ideal. Production experience with Kotlin and Java. Strong experience building REST APIs. Working knowledge of GraphQL. Experience with Spring Boot and modern backend frameworks. Hands-on experience with CI/CD and automated testing. Strong debugging, refactoring, and performance optimization skills. Experience working in large enterprise or financial services environments is a plus. Backend for Frontend (BFF) experience Microservices architecture Legacy modernization experience Asynchronous and event-driven programming Docker, Jenkins, GitHub Actions, Gradle Experience supporting high-scale mobile platforms Our client is a leading Healthcare Industry, and we are currently interviewing to fill this and other similar contract positions. If you are interested in this position, please apply online for immediate consideration. Pyramid Consulting, Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. By applying to our jobs you agree to receive calls, AI-generated calls, text messages, or emails from Pyramid Consulting, Inc. and its affiliates, and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy here. #St

About the Company

Pyramid, Inc

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