Java Fullstack Developer

OKAYA INFOCOM; Plano (TX); On-site; USD 120,000 - 160,000; Full time

Job summary

OKAYA INFOCOM in Plano, Texas is seeking a Senior Core Java Developer to design, develop and support enterprise-grade applications using Core Java, Spring Boot, microservices and REST APIs.

You will build high-volume US payment processing platforms, integrate with core banking systems and payment gateways, ensure security and compliance, and mentor junior developers in an Agile Scrum environment.

Experience in Kafka, Docker, Kubernetes and CI/CD is a plus.

Qualifications

• 5+ years of experience in Java backend development.
• Strong knowledge of Spring Boot and microservices architecture.
• Experience with REST APIs and messaging (Kafka).
• Experience in US banking/Payments domain preferred.

Responsibilities

• Design, develop and support enterprise-grade backend applications using Core Java, Spring Boot and microservices.
• Build high-volume payment processing platforms and integrate with banking systems.
• Implement secure, scalable services with Docker/Kubernetes and CI/CD tooling.
• Ensure compliance with security standards and payment regulations.
• Participate in architecture reviews, code reviews and performance tuning.

Skills

Core Java

Java 8/11/17

Spring Boot

Microservices

REST APIs

Kafka

Oracle

SQL Server

PostgreSQL

Docker

Kubernetes

Jenkins

Git

US Banking Payments Domain

Education

Bachelor's degree in Computer Science or related field

Job description

Duration – Full Time

• Senior Core Java Developer Spring Boot Banking Payments US Banking Domain
• Domain US Banking Payments
• Design develop and support enterprise grade applications using Core Java Spring Boot Microservices and REST APIs
• Build and enhance high volume US payment processing platforms supporting critical banking transactions
• Develop solutions for payment rails including ACH Fedwire RTP RealTime Payments SWIFT and card payment processing
• Collaborate with business operations and compliance teams to deliver solutions aligned with US banking regulations and standards
• Design scalable secure and highly available backend services capable of handling large transaction volumes
• Implement event driven architectures using Kafka JMS or other messaging technologies
• Integrate payment applications with core banking systems payment gateways and third party financial institutions
• Develop and optimize database solutions using Oracle SQL Server or PostgreSQL
• Ensure compliance with security standards including PCIDSS OAuth2 JWT SSLTLS and data encryption
• Work on payment lifecycle processes including authorization clearing settlement reconciliation and exception handling
• Participate in architecture design reviews code reviews and performance optimization initiatives
• Support production environments troubleshoot critical payment issues and ensure SLA adherence
• Work in Agile Scrum environments and contribute to sprint planning estimation and release activities
• Mentor junior developers and provide technical leadership for complex banking payment initiatives
• Strong understanding of US Banking and Financial Services domain including payment regulations transaction processing risk controls and customer facing banking applications
• Required Skills Core Java Java 81117 Spring Boot Microservices REST APIs Kafka OracleSQL Server Docker Kubernetes Jenkins Git ACH Fedwire RTP SWIFT PCIDSS US Banking Payments Domain

Skills

Mandatory Skills : Java, Java SpringBoot