Senior Full Stack Software Engineer (react.js & Node.js) - Remote Eligible

Senior Full Stack Software Engineer (React.js & Node.js)

Tech9 is shaking up a 20-year-old industry, and we're not slowing down. Recognized by Inc. 5000 as one of the nation's fastest-growing companies, we are dedicated to building innovative, highly complex web applications. Our team is passionate about delivering quality software that meets the highest standards. We offer a 100% remote working environment with a collaborative and supportive team, allowing you to focus on what you do best.

We are looking for an experienced Senior Full Stack Software Engineer to join our team in India. In this role, you will design, develop, and optimize web applications across the full stack with a primary focus on React.js (frontend) and Node.js (backend). You will collaborate with cross-functional teams, contribute to architectural decisions, and ensure delivery of secure, scalable, and high-performing software solutions.

Responsibilities

• Design and Development: Collaborate with project managers, designers, and engineers to architect and implement solutions that meet business and technical requirements.
• Frontend Development: Build responsive, user-friendly web applications using React.js, ensuring seamless experiences across devices and browsers.
• Backend Development: Design, build, and maintain scalable and efficient server-side applications using Node.js, following best practices for security and maintainability.
• API Development: Create and maintain RESTful APIs for communication between systems, ensuring robust security and performance.
• Database Management: Work with MySQL and MongoDB to design schemas, optimize queries, and ensure data integrity.
• Code Reviews & QA: Participate in code reviews, maintain coding standards, and conduct unit/integration testing to ensure quality.
• Performance Optimization: Identify and resolve frontend and backend bottlenecks to improve speed and efficiency.
• Security: Implement best practices to safeguard against vulnerabilities (e.g., XSS, SQL injection).
• Documentation: Maintain architectural diagrams, API docs, and technical documentation.
• Version Control: Use Git for collaboration, branching, and pull requests.
• Mentorship: Guide junior developers, promote best practices, and foster knowledge sharing.
• Technology Research: Stay current with industry trends, tools, and frameworks, evaluating their impact on projects.
• Troubleshooting: Investigate and resolve complex technical issues quickly and effectively.
• Project Management: Manage tasks independently, estimate efforts, and deliver on deadlines.
• Performance Monitoring: Track and optimize application performance metrics.
• Code Refactoring: Improve maintainability and reduce technical debt through regular refactoring.
• Cross-Functional Collaboration: Partner with product managers, UX designers, and QA engineers to deliver successful projects.

Minimum Qualifications

• Candidate must be located in India.
• Notice period of 45 days or less, or ability to join within 45 days (Tech9 will support buyouts if permitted by your current employer).
• 7+ years of professional experience as a Full Stack Software Engineer.
• Strong expertise in React.js (component-based architecture, state management).
• In-depth knowledge of Node.js and its ecosystem (e.g., Express.js).
• Proficiency in JavaScript (ES6+).
• Strong experience with MySQL and MongoDB for schema design, optimization, and query performance.
• Experience with RESTful API development, including secure authentication and authorization.
• Excellent communication and collaboration skills to work effectively across teams.

Preferred Qualifications

• Strong experience with cloud technologies (AWS, Azure, or GCP).
• Master's degree in Computer Science or a related field.

Interview Process Overview

Below you'll find an outline of the interview plan for our Fullstack Positions. Please note that this is what we expect the process to look like; we may ask you for supplemental information or require an additional step before making a final decision.

1. 30-minute on-demand HireVue screening, where you'll respond to situational and behavioral questions to help us understand your ownership mindset, adaptability, and approach to collaboration.
2. 10-minute virtual Q&A session with our recruiter to clarify the role and answer any questions you may have. This is not an interview, just a conversation to ensure alignment.
3. 60-90-minute live technical interview with one of our Senior Engineers and the Hiring manager.

Why Join Us?

• Challenging Problems: Solve complex, high-impact technical challenges.
• Flexibility: 100% remote role based in India with flexible working hours.
• Collaboration: Work with talented engineers and cross-functional teams worldwide.
• Growth: Opportunities to develop expertise in cloud, full-stack engineering, and emerging technologies.

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