Java React Developer | FSTONE Technologies | New York City, NY

Fstone Technologies; New York (NY); On-site; USD 120,000 - 180,000; Full time

Job summary

FTONE Technologies in New York City is seeking an elite Java React Developer with 10+ years of web development to drive frontend system design, modernization, and end-to-end web application engineering.

You will build scalable UI with React and TypeScript, collaborate with backend Java and DevOps, work in Agile/Scrum, and participate in face-to-face interviews in NYC.

Qualifications

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related technical discipline.
• 10+ years of professional web development and software engineering experience.
• Strong expertise and hands‑on proficiency in HTML, CSS, JavaScript, React, and TypeScript.
• Deep understanding of responsive design principles, mobile web best practices, and modern frontend architectures.
• Proven professional experience in frontend system design and building/maintaining shared or common UI modules.
• Working knowledge and practical experience with Git and Bitbucket version control workflows.
• Solid understanding and practical implementation of Agile and Scrum software development methodologies.
• Demonstrated ability and willingness to work across backend Java, DevOps, and diverse enterprise codebases.
• Must be available for required face-to-face interviews in New York City.

Responsibilities

• Design, develop, test, and deploy robust web applications and shared UI modules utilizing modern React and TypeScript.
• Spearhead frontend system design, architectural changes, and responsive web development best practices.
• Write clean, maintainable, and highly scalable code across HTML, CSS, JavaScript, React, and TypeScript.
• Collaborate seamlessly across backend Java services, DevOps toolchains, and auxiliary codebases as project needs demand.
• Manage version control, code branching strategies, and pull request reviews using Git and Bitbucket.
• Participate actively in Agile/Scrum ceremonies, sprint planning, daily stand-ups, and retrospectives.
• Troubleshoot, debug, and resolve complex performance issues and cross-browser compatibility challenges.
• Maintain comprehensive technical documentation for frontend components, API integrations, and release architectures.

Skills

React

TypeScript

Java

HTML/CSS/JS

Frontend architecture

Agile/Scrum

DevOps collaboration

Face-to-face interviews

Education

Bachelor’s degree in Computer Science or related

Master’s degree (nice to have)

Tools

Git

Bitbucket

JIRA

Job description

Position Summary

We are seeking an elite and seasoned Java React Developer with 10+ years of professional web development experience to join FSTONE Technologies in New York City, NY. In this high-impact full-stack role requiring face-to-face interviews, you will drive frontend system design, architectural modernization, and end-to-end web application engineering. You will leverage your deep expertise in HTML, CSS, JavaScript, React, TypeScript, and enterprise Java to build scalable, responsive web architectures. If you possess a robust software engineering background and the ability to work independently across frontend, backend, and DevOps codebases, we invite you to apply.

Detailed Job Description

As a Java React Developer at FSTONE Technologies in New York City, you will take total ownership of designing, building, and maintaining robust web applications and shared UI modules. Your daily responsibilities will span crafting responsive user interfaces with React and TypeScript, executing frontend system design and architectural changes, and collaborating across backend Java services and DevOps pipelines when required. Operating in a fast-paced Agile/Scrum environment, you will work closely with cross-functional product teams, QA engineers, and stakeholders to deliver high-performance digital solutions. Furthermore, you will manage version control using Git and Bitbucket, troubleshoot complex technical bottlenecks, and drive continuous improvement across all software engineering workflows.

Key Responsibilities

• Design, develop, test, and deploy robust web applications and shared UI modules utilizing modern React and TypeScript.
• Spearhead frontend system design, architectural changes, and responsive web development best practices.
• Write clean, maintainable, and highly scalable code across HTML, CSS, JavaScript, React, and TypeScript.
• Collaborate seamlessly across backend Java services, DevOps toolchains, and auxiliary codebases as project needs demand.
• Manage version control, code branching strategies, and pull request reviews using Git and Bitbucket.
• Participate actively in Agile/Scrum ceremonies, sprint planning, daily stand-ups, and retrospectives.
• Troubleshoot, debug, and resolve complex performance issues and cross-browser compatibility challenges.
• Maintain comprehensive technical documentation for frontend components, API integrations, and release architectures.

Required Qualifications & Skills

• Bachelor’s degree in Computer Science, Software Engineering, Information Technology, or a related technical discipline.
• Minimum of 10+ years of professional web development and software engineering experience.
• Strong expertise and hands‑on proficiency in HTML, CSS, JavaScript, React, and TypeScript.
• Deep understanding of responsive design principles, mobile web best practices, and modern frontend architectures.
• Proven professional experience in frontend system design and building/maintaining shared or common UI modules.
• Working knowledge and practical experience with Git and Bitbucket version control workflows.
• Solid understanding and practical implementation of Agile and Scrum software development methodologies.
• Demonstrated ability and willingness to work across backend Java, DevOps, and diverse enterprise codebases.
• Must be available for required face-to-face interviews in New York City.

Nice-to-Have Skills

• Master’s degree in Computer Science or a related technical field.
• Advanced backend engineering experience with Java, Spring Boot, and RESTful microservices.
• Familiarity with cloud platforms (AWS, Azure, GCP) and containerization tools (Docker, Kubernetes).
• Experience implementing automated testing frameworks (Jest, Cypress, Selenium) for frontend validation.
• Prior professional experience working within the financial services or tech consulting sectors in New York.

Application Information

• Recruiter: FSTONE Technologies Recruitment Team
• Contact Name: Aman Solanki
• Email: [e-mail]
• Phone: Unspecified
• Application URL: Unspecified
• Salary/Rate: Competitive senior developer compensation package commensurate with experience
• Deadline: Immediate / Open until filled
• Notice Period: Immediate to 30 days preferred
• Contract Duration: Permanent Full-Time (Face-to-face interview required in NYC)

Recruitment Pro Tip

When applying for senior full-stack roles in New York City, ensure your resume explicitly highlights your architectural frontend design projects, TypeScript/React expertise, and your readiness for face-to-face interview rounds.