Senior ReactJS Developer- LOCALS TO MARYLAND ONLY
International Software Systems, Inc.Role Overview
International Software Systems, Inc. is hiring a Senior ReactJS Developer- LOCALS TO MARYLAND ONLY. This is a contract role in Baltimore. Part of International Software Systems, Inc.'s Lifecycle hiring, posted 3 weeks ago. Full responsibilities, required qualifications, and the apply link are listed in the description below.
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Job Description
100% on site and LOCALS ONLY
We are seeking a highly skilled Senior ReactJS Developer with strong experience in Node.js and modern front-end architecture to join our growing development team. The ideal candidate will have hands-on expertise building scalable enterprise applications using React, Flux/MobX architecture patterns, and RESTful APIs in fast-paced Agile environments.
Key Responsibilities
- Design, develop, and maintain scalable web applications using ReactJS and Node.js
- Build reusable, modular, and high-performance UI components
- Develop responsive and user-friendly interfaces for enterprise applications
- Implement state management solutions using Flux and/or MobX
- Create and integrate RESTful APIs and backend services using Node.js and Express.js
- Collaborate with UI/UX designers, backend developers, QA teams, and business stakeholders
- Optimize application performance, scalability, and security
- Write clean, maintainable, and well-documented code following best practices
- Participate in architecture discussions, code reviews, and technical design sessions
- Troubleshoot production issues and provide timely resolutions
- Work within Agile/Scrum teams and participate in sprint planning, standups, and retrospectives
- Mentor junior developers and provide technical leadership when needed
- Ensure cross-browser compatibility and mobile responsiveness
- Integrate third-party APIs, authentication services, and cloud-based solutions
Required Skills & Qualifications
- 7+ years of software development experience
- Strong hands-on experience with ReactJS
- Extensive experience with JavaScript (ES6+), TypeScript, HTML5, and CSS3
- Strong experience with Node.js and Express.js
- Experience implementing state management using Flux and/or MobX
- Experience with Redux is highly preferred
- Strong understanding of component-based architecture and React lifecycle methods/hooks
- Experience consuming and building RESTful APIs
- Proficiency with Git and version control systems
Frequently Asked Questions
How do I apply for the Senior ReactJS Developer- LOCALS TO MARYLAND ONLY position at International Software Systems, Inc.?
Use the Apply button above to submit your application directly to International Software Systems, Inc.. Most applications take less than 5 minutes if your resume and contact details are ready, and you'll be routed to the employer's official application system to finish.
Where is the Senior ReactJS Developer- LOCALS TO MARYLAND ONLY position at International Software Systems, Inc. located?
This position is based in Baltimore. International Software Systems, Inc. has not indicated remote or hybrid options for this role, so candidates should plan for on-site work.
What does a Senior ReactJS Developer- LOCALS TO MARYLAND ONLY at International Software Systems, Inc. earn?
International Software Systems, Inc. has not disclosed a salary range in this posting. Many employers share specifics later in the interview process; you can also ask during a recruiter screen if compensation transparency is important to you.
When was the Senior ReactJS Developer- LOCALS TO MARYLAND ONLY role at International Software Systems, Inc. posted?
This role was posted on May 14, 2026 (25 days ago). It's still listed as actively hiring; we re-confirm openings against the source system multiple times per day and remove closed roles.
How much experience does the Senior ReactJS Developer- LOCALS TO MARYLAND ONLY role at International Software Systems, Inc. require?
This is a senior-level position. Most senior roles call for 5+ years of directly relevant experience. International Software Systems, Inc. lists their specific requirements in the description below, so review the must-have qualifications closely before applying.
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