Java Full-Stack Developer - with Android Mobile Application DevelopmentCrystal Equation • Ridgefield Park, NJ

Java Full-Stack Developer - with Android Mobile Application Development

Crystal Equation • Ridgefield Park, NJ

[job_card.variable_days_ago]

[job_preview.job_type]

[job_card.full_time]

[job_card.job_description]

Java Full-Stack Developer - with Android Mobile Application Development

Summary :

This role primarily focuses on Java-based Full-Stack application development , while also requiring the ability to support, maintain, and modify existing Android Mobile Applications .

The ideal candidate is a senior Java Full-Stack developer who can understand Android mobile application codebases and perform basic modification, build, and deployment tasks to ensure service continuity and operational stability.

Key Responsibilities :

Primary Responsibilities – Java Full-Stack Development

Lead and perform Java Full-Stack application development as the primary responsibility
Design, develop, and enhance backend services using Java, Spring / Spring Boot
Implement and maintain frontend components using HTML, CSS, JavaScript and modern frameworks
Support existing Java-based services and develop future enhancements based on business requirements

Secondary Responsibilities – Android Mobile App Support

Provide operational support and maintenance for existing Android Mobile Applications

Understand Android application architecture and source code

Perform minor code changes, bug fixes, build, and deployment for Android applications

Support incident handling and troubleshooting related to Android mobile services

Operations & Service Stability

Provide application-level operational support for both Java and Android systems

Participate in incident response, root cause analysis, and corrective actions

Ensure system stability, service continuity, and reduced operational risk

Knowledge Continuity & Collaboration

Maintain technical documentation and support knowledge transfer

Collaborate with cross-functional teams to ensure smooth operations and enhancement delivery

Required Qualifications :

Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience)

9+ years of professional experience in Java Full-Stack application development

Strong expertise in : Java, Spring / Spring Boot Web technologies (HTML, CSS, JavaScript, React / Angular or equivalent) RESTful API design and database integration

Experience in application operations, maintenance, and incident support

Android Experience Requirements (Support-Oriented)

Ability to understand existing Android Mobile App source code

Experience or capability to : Modify existing Android code (Kotlin and / or Java) Build and package Android applications Perform deployment and operational support tasks

Senior-level Android development experience is NOT required

Junior-level Android skills are acceptable , as long as the candidate can independently support maintenance, build, and deployment

Preferred Qualifications :

Experience supporting enterprise-scale or production-critical systems

Familiarity with DevOps practices, CI / CD pipelines, and monitoring tools

Experience working in cloud or hybrid infrastructure environments

Background in both development-focused and operations-focused roles

Key Competencies :

Strong ownership mindset for application stability and service continuity

Effective problem-solving and incident response skills

Clear communication with technical and non-technical stakeholders

Ability to prioritize Java Full-Stack development while handling Android support needs

Pay range is $50 - $55 per hour with full benefits available, including paid time off, medical / dental / vision / life insurance, 401K, parental leave, and more. Our compensation reflects the cost of labor across several US geographic markets. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience.

THE PROMISES WE MAKE :

At Crystal Equation, we empower people and advance technology initiatives by building trust. Your recruiter will prep you for the interview, obtain feedback, guide you through any necessary paperwork and provide everything you need for a successful start. We will serve to empower you along the way and provide the path for your professional journey.

For more information regarding our Privacy Policy, please visit

[job_alerts.create_a_job]

Java Fullstack Developer • Ridgefield Park, NJ

[internal_linking.similar_jobs]

Mobile developer - Android - Full-time

Two95 International Inc. • New York, NY, US

[job_card.full_time]

[filters_job_card.quick_apply]

Bachelors Degree or military experience.At least 3 years of experience in software development.At least 2 years of mobile development for native Android applications. At least 2 years of experience ...[show_more]

[last_updated.last_updated_30]

Full Stack Java Developer

Seven Seven Software • New York, NY, United States

[job_card.full_time]

The resource will work with BE team on a mobile dev.Minimum 6+ years' experience in Java development.Must have a minimum of 6 years exp.[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Full Stack Java Developer

Zone IT Solutions • New York, NY, US

[job_card.full_time] +1

[filters_job_card.quick_apply]

We are looking for Full Stack Java Developers for a large-scale project.This is a permanent role with a global IT service leader. Applicants should be capable of developing, integrating, and maintai...[show_more]

[last_updated.last_updated_30]

Java Full Stack Developer

Purple Drive • New York, NY, United States

[job_card.full_time]

The Senior Full-Stack Developer is responsible for designing, developing, and maintaining enterprise-level applications.This role requires extensive expertise in Java for back-end development, Angu...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Java / Full-Stack Developer - Remote

SynergisticIT • Jersey City, NJ, United States

[filters.remote]

[job_card.full_time]

Since 2010 Synergisticit has helped Jobseekers differentiate themselves by providing candidates the requisite skills and experience to outperform at interviews and clients.Here at SynergisticIT We ...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Sr Principal Java Architect Developer | Portware EMS | 250k+ Hybrid

Living Talent • Jersey City, NJ, US

[job_card.full_time]

[filters_job_card.quick_apply]

Implement automation strategies to improve trading workflows (Equities, Futures, FX, Options).Compensation : 200k - 230k base + bonus. Architect, Design and Develop customizations and interfaces in P...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Full Stack Java Developer

Yantran LLC • Jersey City, NJ, United States

[job_card.full_time]

At • • • ( • • • | Connected World, Connected Experiences), we live the philosophy of connected world and connected experiences. We thrive on change that is powered by the intelligent symphony of technol...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Full Stack Java Developer

Jobs via Dice • New York, NY, United States

[job_card.full_time]

Job Title : Full Stack Java Developer.We are looking for a talented and experienced Full Stack Java Developer to join our engineering team. The ideal candidate will have strong expertise in Java-base...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Full Stack Java Developer

Omni Inclusive • Jersey City, NJ, United States

[job_card.full_time]

Full Stack Java Developer with DevOps, React.The Full Stack Developer will be responsible for developing and maintaining DevOps solutions, as well as working with React. They will participate in the...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Java Full Stack Developer

Diverse Lynx • New York, NY, United States

[job_card.full_time]

Role : Java Full Stack Developer.The ideal candidate will have hands-on experience designing and implementing.Experience deploying applications on. At least 4 years strong hands-on experience in Java...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Full Stack Java Developer

VirtualVocations • Bronx, New York, United States

[job_card.full_time]

A company is looking for a Full Stack Java Developer to join their innovative team.Key Responsibilities Research, design, develop, and test new software programs to meet project requirements Cre...[show_more]

[last_updated.last_updated_30] • [promoted]

Sr Java Full Stack Developer

E-Solutions • New York, NY, United States

[job_card.full_time]

Experience in Software development with a deep understanding of Core Java,.Strong hands-on experience in Java.Extensive backend development experience. Frontend developer with UI Design experience.A...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Java Full Stack Developer

Zencon Group • New York, NY, United States

[job_card.full_time]

Secondary (combined with primary),React, Angular, Python).They use both onprem and AWS cloud.They are open for relocation candidates. Design, develop, test, and deploy full stack solutions using Jav...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Java Full Stack Developer

Spruce Infotech • New York, NY, United States

[job_card.full_time]

Role : Java Full stack Developer.Location : New York City - Hybrid min 3days / week.We are looking for a strong full-stack hands-on Technologist with extensive experience in designing, developing and ...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Java Full Stack Developer

Sunrise Systems • Jersey City, New Jersey, United States

[job_card.temporary]

[filters_job_card.quick_apply]

Job Title : Full Stack Developer.Duration : 3 Months Contract to Hire.Primary Location : Whitehouse Station, NJ.Secondary Location : Jersey City, NJ. Interview Process : Virtual / In-person.We are seekin...[show_more]

[last_updated.last_updated_30]

Sr. Java Full Stack Developer

eTeam • Jersey City, NJ, United States

[job_card.full_time]

Location : Jersey City, NJ Onsite.Duration : 6 Months of Contract.We are seeking an experienced Java Full Stack Developer with a strong focus on backend development to join our team.This is a replace...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Full Stack Java

Omni Inclusive • New York, NY, United States

[job_card.full_time]

Java, Spring boot, Microservices.Hands-on developer who writes high quality, secure code that is modular, functional and testable. Create or introduce, test, and deploy new technology to optimize th...[show_more]

[last_updated.last_updated_variable_days] • [promoted]

Java Fulstack - Java - Bangalore, India

Photon • New York, NY, United States

[job_card.full_time]

We are seeking a talented Fullstack Java Developer to join our development team.The ideal candidate will be proficient in both front-end and back-end technologies, with a strong understanding of Ja...[show_more]

[last_updated.last_updated_variable_days] • [promoted]