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Korean Bilingual Sr. Application Developer

BTI Solutions
BTI Solutions Salary
Ridgefield, NJ Full Time
POSTED ON 1/3/2026
AVAILABLE BEFORE 2/26/2026

Why work with us?


Proven people.


Everyone on our team has earned a CPC (Certified Personnel Consultant) or CTS (Certified Temporary Staffing Specialist) accreditation from the National Association of Personnel Services. We are experts at staffing and recruiting with more than 16 years of experience serving employers.

Proven process.


Our approach to staffing isn't just a little bit different; it's a whole different ball game. While most staffing firms emphasize transactional services (taking and filling job orders), BTI Solutions focuses on providing more strategic solutions.

By acting as workforce consultants, we are able to find innovative and intelligent strategies for improving productivity, meeting project deadlines, improving hiring quality, decreasing turnover, and reducing total labor costs.

Our recruiting and candidate assessment process assures the highest quality matches between job seeker and employer, so you will get people who not only have the right qualifications but who also have the appropriate personality fit for your organization.

Proven results.


More than anything, the biggest difference with BTI Solutions is the one that matters most: bottom-line results.

  • 95% client satisfaction rate – measures client satisfaction vs. expectations.
  • Our clients have worked with us for over 10 years, on average.
  • BTI Solutions counts 4 Global Telecommunication companies as clients.
  • Client referrals are BTI Solutions' largest source of new clients.
  • Google Review 4.4, Facebook Review 4.8

Korean Bilingual Sr. Application Developer

[Responsibilities]

  • Design, develop, and maintain robust, scalable applications and modules, writing clean, efficient, and well-documented code
  • Manage the entire software development lifecycle, including planning, prioritizing, testing, and releases, often using Agile methodologies
  • Lead, guide, and mentor junior developers, conducting code reviews and ensuring adherence to best practices
  • Work closely with project managers, business analysts, designers, and other engineers to define requirements and deliver innovative solutions
  • Implement automated testing, debug issues, troubleshoot complex problems, and ensure application security and performance
  • Contribute to high-level application design and database architecture
  • Participate in internal and external meetings to gather the business requirements and suggest solutions
  • Analyze the business requirements and suggest the best practice to apply to the business requirements
  • Write clean code to produce fully functional backend processes and frontend UI modules
  • Develop a new or existing system of frontend UI and APIs
  • Write unit, integration, and production test scenarios
  • Troubleshoot and debug to optimize application performance
  • Liaise with the development team to identify and plan new features
  • Ensure the developed modules comply with Samsung SDS quality assurance standards
  • Research and suggest new technologies, applications, and protocols
  • Be an individual contributor when it comes to designing and developing frameworks and critical pieces of code that have a wider impact
  • Create detailed technical plans for the execution and implementation of projects
  • Be available to answer technical questions, clarifications, and clear obstacles for the team
  • Being transparent with the team about challenges, failures, and successes
  • Writing development progress reports

[Requirements]

  • 10 years of application development experience
  • Bachelor's degree in computer science, engineering, or a related field
  • Extensive knowledge of Java development. This includes the whole process, from the first line of code to implementation in the production environment
  • Deep knowledge of operating systems, including but not limited to
  • Proficiency with writing automated tests in JUnit, Espresso, Mocha, Jest, Enzyme, XCTest, etc.
  • Proficiency in Java, with a good understanding of its ecosystems
  • Sound knowledge of Object-Oriented Programming (OOP) Patterns and Concepts
  • Familiarity with different design and architectural patterns
  • Skill for writing reusable Java libraries
  • Know-how of Java concurrency patterns
  • Good 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, and AWT according to project requirements
  • Extensive knowledge of the class loading mechanism in Java
  • Experience in handling external and embedded databases such as Oracle, MS SQL, etc.
  • 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
  • Expertise in continuous integration
  • Experience in Java Server Pages (JSP) and servlets, Web frameworks like Struts and Spring
  • Web Technologies like HTML, JavaScript, CSS, JQuery
  • Abstract classes and interfaces
  • Constructors, lists, maps, sets
  • File IO and serialization, Exceptions, and Generics
  • Java Keywords like static, volatile, synchronized, transient, etc
  • Multithreading and Synchronization
  • Experience with profiling and debugging Java-based applications and products
  • Experience integrating with backend systems preferred, such as ERPs, WMS, OMS, etc.
  • Solid knowledge of performance Improvement best practices
  • Experience in a similar role would be advantageous
  • Willingness to build professional relationships with staff and clients
  • Excellent communication, motivational, and interpersonal skills

Salary.com Estimation for Korean Bilingual Sr. Application Developer in Ridgefield, NJ
$176,863 to $231,870
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