Sr. Frontend Developer

This role is for our client, who are reimagining video security for the modern world. Their cloud-native platform uses computer vision and AI to help businesses stay safe, make smarter decisions, and move faster; from real-time alerts to seamless clip sharing and multi-site visibility.

You’ll be joining an ambitious, fast-moving team that values clarity, craftsmanship, and impact. Every person there has a voice, ships meaningful work, and helps shape how AI can make the world safer and more connected.

Responsibilities

• Architect and scale high-performance React and TypeScript applications built for real-time surveillance operations.
• Build UI components for video playback, timeline scrubbing, and multi-camera grid management.
• Optimize client-side rendering, network bandwidth, and browser memory usage when streaming high-frequency data.
• Partner closely with Product, Design, and Machine Learning engineers to transform complex AI detection capabilities into simple user experiences.
• Establish frontend architecture patterns, maintain testing standards, and mentor team members.

Skills And Qualifications

• Experience building production web applications in React and TypeScript
• Deep understanding of frontend performance profiling, browser memory management, and client-side optimization
• Hands-on experience working with real-time data streams (WebSockets, SSE, or WebRTC)
• Strong software engineering fundamentals, including modular architecture, state management, and automated testing
• High bar for UI detail, usability, and web accessibility is a plus
• Experience with video technologies on the web (HLS, WebRTC, MSE, or Canvas/WebGL video rendering) is a plus
• Experience building spatial or location-aware dashboards using mapping tools (e.g., Mapbox, Leaflet) is a plus
• Prior experience in fast-paced startup environments or developer-centric B2B SaaS platforms is a plus

What We Offer

• Competitive compensation package
• Early-stage equity in a rapidly growing company
• Referral bonuses
• Team dinners and regular team off-sites
• The latest Apple products and unlimited tech stack

The company is on a mission to transform a $50B+ legacy industry by bringing the power of cutting-edge multimodal LLMs and computer vision to real-world security and operations. From firearm detection to intelligent access control, our AI-native platform turns every camera and sensor into a smart system that enhances safety, efficiency, and awareness.

Role Summary

The Senior Front-end Developer builds and maintains client-facing interfaces per UI/UX designs and product requirements, owns front-end architecture and code-review standards, and mentors the Junior Front-end Developer. This is a specialized front-end role, not a full-stack position.

Key Responsibilities

•   Own front-end architecture decisions, including framework, state management, and tooling choices.

•   Set and enforce code-review, testing, and performance/accessibility standards for the pod.

•   Lead implementation of complex, high-visibility features.

•   Troubleshoot and resolve complex front-end performance or technical issues.

•   Mentor the Junior Front-end Developer, including code review and skill development.

•   Partner closely with UI/UX to ensure design fidelity and flag implementation constraints early.

•   Evaluate and recommend front-end tooling or library upgrades.

Required Skills & Technical Competencies

•   Deep expertise in a modern front-end framework (React strongly preferred) and associated ecosystem.

•   Strong understanding of front-end performance optimization and accessibility standards.

•   Experience owning front-end architecture for a production application.

Targeted Qualifications

•   5–8 years of front-end development experience.

•   Deep expertise in a modern framework (React preferred) and front-end architecture patterns.

•   Experience owning performance and accessibility standards.

•   Bachelor's degree in Computer Science or related field.

Preferred / Nice-to-Have

•   Experience with data-dense or real-time dashboard interfaces (relevant to IoT products).

•   Experience mentoring junior developers formally.

We are on a mission for Building experiences and influencing change through delivering digital consulting services that drive innovation, efficiency, and growth for businesses globally, with a vision to be the world's most valued technology company, driving innovation, and making a positive impact on the world. Our goal is to achieve unicorn status (valuation of $1 billion) by 2030

Job Description: .

As the Lead React/Next.js Developer, you will spearhead the development and enhancement of our web-based eCommerce platform using JavaScript, ensuring compliance with coding standards, best practices, and project requirements. You will work closely with product managers, designers, and other stakeholders to gather requirements and translate them into technical specifications.

Key Responsibilities:

• Architect and design scalable and efficient JavaScript applications that power our platform, with a focus on React and Next.js.
• Lead the integration and management of Strapi as the back-end CMS, ensuring smooth API connections and content management workflows.
• Write clean, maintainable, and well-documented code to ensure high-quality deliverables.
• Conduct thorough code reviews to ensure code quality and provide constructive feedback to team members.
• Stay up-to-date with the latest trends and advancements in JavaScript, Next.js, and Strapi development, and share knowledge with the team.
• Troubleshoot and resolve technical issues and bugs in a timely manner to ensure a seamless experience for end-users.
• Collaborate with the QA team to develop and execute comprehensive test plans, ensuring a stable and reliable platform..

Desired Skills:

• Bachelor's or Master's degree in a related field.
• Minimum of 5 years of professional experience as a JavaScript developer.
• Strong proficiency in JavaScript, including ES6+ features.
• Extensive experience with Next.js and React for building complex web applications.
• Hands-on experience with Strapi or similar headless CMS platforms.
• Solid understanding of front-end development principles, including responsive design and cross-browser compatibility.
• Strong problem-solving and analytical skills, with an ability to think creatively.
• Deep understanding of the eCommerce industry trends, technology, and customer needs.

Why Join Gravity:

• Embark on a journey with a forward-thinking and innovative IT technology consulting company.
• Competitive compensation package, featuring performance-based incentives.
• Prospects for career advancement within a rapidly expanding global organization.

Gravity is an equal-opportunity employer. We celebrate diversity and remain committed to establishing an inclusive environment for all employees.

About the Role

We are seeking motivated and enthusiastic Frontend Developer Interns to join our team remotely for a 3-month internship. This role offers an excellent opportunity to gain hands-on experience in web development, work on live projects, and strengthen your portfolio. While this is an unpaid internship, interns who successfully complete the program will receive a Completion Certificate and a Letter of Recommendation.

Responsibilities

• Build and maintain user-facing features with HTML, CSS, and JavaScript/TypeScript.
• Assist in developing web applications using frameworks like React, Vue, or Angular.
• Translate UI/UX wireframes into responsive and interactive web pages.
• Ensure performance, accessibility, and cross-browser compatibility.
• Debug and troubleshoot frontend issues.
• Collaborate with mentors, designers, and backend developers.
• Document code and contribute to team discussions.

Requirements

• Knowledge of HTML5, CSS3, and JavaScript (ES6+).
• Familiarity with at least one frontend framework (React preferred).
• Understanding of responsive and mobile-first design.
• Basic experience with Git/GitHub.
• Good problem-solving, communication, and teamwork skills.
• Self-motivated and able to work independently in a remote environment.

What You’ll Gain

• Real-world project experience to add to your portfolio.
• Mentorship and guidance from experienced developers.
• Completion Certificate after the internship.
• Letter of Recommendation based on performance.
• Potential for consideration in future paid opportunities.

Internship Details

• Duration: 3 months
• Type: Remote (Work from Home)
• Stipend: Unpaid
• Perks: Certificate of Completion + Letter of Recommendation

NEED TO HAVE :

1) Have some knowledge of front end like React.JS

2) HTML, CSS

3) Strong in JavaScript concepts

4) Good communication skills

5) Loves to code

GOOD TO HAVE :

1) Experience with type script will be a plus

2) Experience with Nest.JS framework will be a plus

3) Strong hold on ES6 principles.

4) Familiar with TDD ( Test Driven Development ) will be a plus.

5) Familiar with working in CI / CD will be a plus

6) Micro-Service architecture knowledge will be an added benefit.

You can contact me on this WhatsApp number: Nine three one six one two zero one three two