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Core Java Developer (Payment processing / Banking)

Company:
Accord Technologies Inc
Location:
Charlotte, NC
Posted:
October 03, 2026
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Description:

Senior Java Developer (Payment processing / Banking)

Location: Charlotte, NC; Iselin, NJ (onsite)

Duration: 12 months

Nr of openings: 25

Position type: W2 contract

Mandatory skills

Java, J2EE, Spring Boot

Mongo

Kafka

Microservices with Payments background

Responsibilities

Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance

Contributing in all phases of the development lifecycle

Writing well designed, testable, efficient code

Improve existing systems by adding new features in line with business specifications

Monitor performance and implement innovative solutions to improve the overall system

Collaborate with peers and team members to build scalable, secure, and quality products

Perform regular checks and follow best practices to develop, deploy, and maintain software

Deployment of new features and products into the production environment

Requirements

Proficiency in Java, with a good understanding of its ecosystems

Sound knowledge of OOPS Patterns and Concepts

Familiarity with different design and architectural patterns

Skill for writing reusable Java libraries

Know-how of Java concurrency patterns

Strong experience in Spring Boot, Mongo, Kafka, Microservices, payment and Banking Domain

Basic Understanding of the concepts of MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services

Experience in working with popular web application frameworks like Play and Spark

Relevant Knowledge of Java GUI frameworks like Swing, SWT, AWT according to project requirements

Ability to write clean, readable Java code

Basic know-how of class loading mechanism in Java

Experience in handling external and embedded databases

Understanding basic design principles behind a scalable application

Skilled at creating database schemas that characterize and support business processes

Basic knowledge of JVM (Java Virtual Machine), its drawbacks, weaknesses, and workarounds

Implementing automated testing platforms and unit tests

In-depth knowledge of code versioning tools, for instance, Git

Understanding of building tools like Ant, Maven, Gradle, etc

Expertise in continuous integration

Qualifications

Experience in payment processing or strong banking domain.

Seniority level

Mid-Senior level

Employment type

Full-time

Job function

Engineering and Information Technology #J-18808-Ljbffr

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