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Java Card Jobs (NOW HIRING)

Sonsoft Inc

Java Developer

Sunnyvale, CA · On-site

$59.75 - $77.50/hr

Looking for experienced java engineers to work on various changes and enhancements in IDMS ... Only US Citizen, Green Card Holder, TN Visa, GC-EAD , H4-EAD & L2-EAD can apply. * No OPT-EAD / H1 ...

Sonsoft Inc

Java Lead (Core Java)

New York, NY · On-site

Must have Java concurrency (multi-threading) experience. * To design and develop applications based ... Only US Citizen and Green Card Holder can apply. ** All your information will be kept confidential ...

Sonsoft Inc

Java Developer

Phoenix, AZ · On-site

$50.75 - $65.50/hr

Java 1.7+, Spring Framework, Spring Batch, Apache Camel or DropWizard, Restful Services (JAX-RS ... Note:- 1. This is a Full-Time & Permanent job opportunity for you. 2. Only US Citizen, Green Card ...

Sonsoft Inc

Java Developer

Phoenix, AZ

$50.75 - $65.50/hr

Java 1.7+, Spring Framework, Spring Batch, Apache Camel or DropWizard, Restful Services (JAX-RS ... Note:- 1. This is a Full-Time & Permanent job opportunity for you. 2. Only US Citizen, Green Card ...

Sonsoft Inc

Java / J2EE

Phoenix, AZ · On-site

$50.75 - $65.50/hr

Java 1.7+, Spring Framework, Spring Batch, Apache Camel or DropWizard, Restful Services (JAX-RS ... Experience in Credit Card Loyalty Program would be an advantage. * Experience and desire to work in ...

Sonsoft Inc

Java Consultant

Phoenix, AZ · On-site

Java 1.7+, Spring Framework, Spring Batch, Apache Camel or DropWizard, Restful Services (JAX-RS ... Note:- 1. This is a Full-Time & Permanent job opportunity for you. 2. Only US Citizen, Green Card ...

Edge Computing

Java Developer

Hollywood, FL · On-site

$46.75 - $60.50/hr

Experience working in Card Transaction Processing systems (technical experience in Card ... Technical Skills Java,HTML/CSS, AngularJS, JQUERY, JSP, Spring, Stripes, Struts, Apache Axis ...

Sonsoft Inc

Java Developer

Phoenix, AZ · On-site

$50.75 - $65.50/hr

Core Java * JEE (Spring, Hibernate, JMS, Maven). Qualifications * Experience level - 5- 7 yrs in ... Only US Citizen, Green Card Holder, TN Visa, GC-EAD , H4-EAD & L2-EAD can apply. * No OPT-EAD / H1 ...

Edge Computing

Java Developer

Hollywood, FL · On-site

$46.75 - $60.50/hr

Experience working in Card Transaction Processing systems (technical experience in Card ... Technical Skills Java,HTML/CSS, AngularJS, JQUERY, JSP, Spring, Stripes, Struts, Apache Axis ...

Sonsoft Inc

Java Developer

Phoenix, AZ · On-site

$50.75 - $65.50/hr

Core Java * JEE (Spring, Hibernate, JMS, Maven) Qualifications * Experience level - 5- 7 yrs in ... Only US Citizen, Green Card Holder, TN Visa, GC-EAD , H4-EAD & L2-EAD can apply. * No OPT-EAD / H1 ...

SmartIPlace

App Dev - Java - Lead

Irving, TX · Remote

$75 - $80/hr

Team * Working on secured card space, java and go developers * Identifying and updating vulnerabilities, and gen 2 to gen 3 migration * * Lambda, ECS with fargate, route 53, ALB microservice ...

Sonsoft Inc

Java Lead (Core Java)

New York, NY

Must have Java concurrency (multi-threading) experience. * To design and develop applications based ... Only US Citizen , Green Card Holder can apply. * Please mention your Visa Status in your email or ...

Sonsoft Inc

Java Developer

Phoenix, AZ

$50.75 - $65.50/hr

Java 1.7+, Spring Framework, Spring Batch, Apache Camel or DropWizard, Restful Services (JAX-RS ... Note:- 1) This is a Full Time & Permanent job opportunity. 2) Only US Citizen , Green Card Holder ...

eFulgent

Java Full stack Developer

Yuma, AZ · On-site

$50.50 - $65.25/hr

W2 - Green Card/US Citizen candidates only - Required Skills: - Strong Java development experience - Extensive AWS experience and AWS Certification - Experience developing enterprise applications ...

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Java Card information

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$15

$56

$77

How much do java card jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for java card in the United States is $56.70, according to ZipRecruiter salary data. Most workers in this role earn between $49.04 and $63.46 per hour, depending on experience, location, and employer.

What is a Java Card?

A Java Card job typically involves developing, programming, and maintaining applications for smart cards that use the Java Card platform. Java Card is a technology that allows Java-based applications to run securely on smart cards and other small memory-constrained devices. Professionals in this field work with secure elements, cryptographic functions, and smart card protocol implementations. Common tasks include writing applets, ensuring security compliance, and optimizing performance for embedded environments.

What are some typical challenges faced by Java Card developers in their daily work?

Java Card developers commonly encounter challenges related to ensuring smart card security, managing constrained memory and processing resources, and maintaining compatibility across various card platforms. They must write highly efficient code that meets strict security requirements, often performing extensive testing and debugging to prevent vulnerabilities. Collaboration with cross-functional teams—including hardware engineers, security analysts, and QA testers—is a regular part of the role. Success requires not only deep technical expertise, but also consistent adaptation to evolving security standards and certification requirements.

What are the key skills and qualifications needed to thrive in the Java Card position, and why are they important?

To thrive as a Java Card developer, you need strong proficiency in Java programming, smart card technologies, and a solid understanding of secure embedded systems, often supported by a degree in computer science or a related field. Familiarity with Java Card APIs, smart card readers, cryptographic libraries, and security certifications like CISSP or CEH is typically required. Attention to detail, problem-solving abilities, and effective communication are crucial soft skills for this role. These technical and interpersonal skills are key to developing secure, reliable smart card solutions and collaborating effectively with multi-disciplinary teams.

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Java Card jobs near you
Infographic showing various Java Card job openings in the United States as of August 2026, with employment types broken down into 7% Internship, 46% Full Time, 40% Part Time, and 7% Contract. Highlights an 100% In-person job distribution, with an average salary of $117,931 per year, or $56.7 per hour.

NFC System Software Validation Engineer - Entry Level

NXP Semiconductors N.V.

San Diego, CA • On-site

$83K - $115K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Re-posted 21 days ago

Job description

Enable possibilities with NFC: Near Field Communication (NFC) is a fast, intuitive technology that lets you interact securely with the world around you with a simple touch. NFC wireless proximity technology is available in billions of smartphones, tablets, consumer and industrial electronics-with new devices arriving almost daily.
NXP Semiconductors Netherlands B.V. is seeking a talented and motivated NFC System Software Validation Engineer in San Diego location to contribute to the design, development, and maintenance of high-performance software solutions for our cutting-edge embedded systems and semiconductor products.
Job Responsibilities
* Validation and verification of NFC components at System level in the role of a Validation engineer
* Implement tests for software features and enhancements according to product specifications and architectural guidelines.
* Develops, modifies, and executes software test plans, automated scripts and programs for testing
* Analyzes and writes test standards and procedures. Maintains documentation of test results to assist in debugging and modification of software.
* Work with debuggers, Logic analyzer, Multimeters, Oscilloscope, RF tracer and development tools such as RF Sniffers etc.
* Collaborate with hardware engineers, firmware developers, and other software teams to ensure seamless integration and optimal system performance.
* Troubleshoot and resolve software defects and issues in a timely manner.
* Stay up-to-date with emerging technologies and industry best practices in software development for embedded systems.
Job Qualifications
* Recent Bachelor's or Master's degree in Computer Science, Electrical Engineering, or a related technical field.
* Proven experience in software development, validation & testing of software, preferably in an embedded systems environment.
* Basic knowledge of fundamental concepts in Wireless Communications and Connectivity domain like Bluetooth, Wi-Fi, NFC, Zigbee and secure payments.
* Strong proficiency in one of programming languages like C, C++, Java or Python is a must
* Experience with lab equipment such as oscilloscopes, spectrum analyzers, logic analyzers, etc. is required
* Experience with embedded development tools (e.g., debuggers, compilers, version control systems like Git).
* Smart card Operating Systems / Java Card OS experience is a plus
* Secure coding practices and knowledge of cryptography are appreciated
* Exposure to Global Platform Standards and EMVco Standards is a plus
* Excellent problem-solving skills and a strong analytical mindset.
* Ability to work effectively both independently and as part of a collaborative team.
* Good communication skills, both written and verbal, in English.
The base salary range for this position is as mentioned below per year. We also provide competitive benefits, incentive compensation, and/or equity for certain roles.
Company benefits include health. dental, and vision insurance. 401(k), and paid leave. Please note that the base salary range (OR hourly rate) is a guideline, and individual total compensation may vary based on a number of factors such as qualifications, skill level, work location, and other business and organizational needs. This base pay range is specific to California and is not applicable to other locations. A reasonable estimate of the base salary range as of the date of this posting is:
$83,800 to $115,200 annually
More information about NXP in the United States...
NXP is an Equal Opportunity/Affirmative Action Employer regardless of age, color, national origin, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, marital status, status as a disabled veteran and/or veteran of the Vietnam Era or any other characteristic protected by federal, state or local law. In addition, NXP will provide reasonable accommodations for otherwise qualified disabled individuals.
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