React.js Developer

Position: Front-end developer ( Mobile App)

Location: Bangalore

About us

RockED is a fast-growing EdTech company building a microlearning platform that delivers byte-sized, engaging content to learners on their mobile devices. Headquartered in Florida, with our R&D team based in Bangalore, we are focused on creating intuitive, learner-first experiences through thoughtful design and strong engineering.

Your Impact

We are looking for a skilled Frontend Developer to join our Engineering team in Bangalore. You’ll be responsible for building high-quality, scalable, and user-friendly interfaces for our mobile-first platform using JavaScript and React Native.

• Develop and maintain scalable, high-performance frontend applications using JavaScript and React Native
• Translate product requirements and UI/UX designs into clean, efficient, and reusable code
• Collaborate closely with product managers, designers, and backend engineers
• Optimize applications for performance, reliability, and responsiveness
• Write well-structured, testable, and maintainable code
• Participate in code reviews and contribute to engineering best practices
• Stay updated with evolving AI technologies and encourage the team to leverage AI tools effectively to improve development efficiency and innovation.

What skills do you need?

• Hands-on experience in frontend mobile application development
• Strong proficiency in JavaScript and React Native
• Experience building and shipping mobile applications (Android/iOS)
• Solid understanding of frontend architecture, performance optimization, and state management
• Familiarity with REST APIs and integration with backend services
• Experience working in an Agile/Scrum development environment
• Ability to think strategically when designing systems—not just how to build, but why

Why choose a career at RockED?

• Build from Day One: Work in small, fast-moving teams solving real problems and building
• products from the ground up.
• Learn from Industry Leaders: Collaborate directly with leaders who’ve held senior roles at global
• Companies like Adobe, Microsoft, Walmart, and more.
• AI Expoure: We encourage engineers to leverage AI tools and emerging technologies to improve
• productivity, experimentation, and innovation.
• Global Exposure: Be part of a diverse, high-calibre team working closely across the US and India.
• People-First Benefits: Health insurance coverage for you and your family—fully sponsored by RockED.

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 directly WhatsApp us on nine three one six one two zero one three two

Job ID : 0001

About Us

Suntek.ai is a technology-driven startup delivering AI-powered and e-commerce solutions that help brands build, scale, and optimize their digital presence. We partner with fast-growing businesses to design intelligent, high-performance solutions that drive measurable growth.

About the Role

We are looking for a front-end developer with strong TypeScript skills and a solid understanding of

web fundamentals (JavaScript, HTML, CSS, browser APIs). You will focus on building responsive,

performant, and user-friendly web applications using SvelteKit, collaborating closely with designers

and backend engineers to deliver seamless experiences.

Key Responsibilities

● Build and maintain applications using SvelteKit.

● Write clean, strongly typed TypeScript code with best practices.

● Apply web fundamentals (HTML, CSS, JavaScript, DOM, browser APIs) to deliver responsive and

accessible UIs.

● Integrate REST/GraphQL APIs and manage application state.

● Optimize applications for speed, SEO, and mobile performance.

● Collaborate with designers to implement pixel-perfect UI/UX.

● Debug, test, and ensure cross-browser compatibility.

Requirements

● Strong knowledge of TypeScript and modern JavaScript.

● Solid understanding of HTML5, CSS3, responsive design, and browser behavior.

● Hands-on experience with Svelte.

● Experience with API integration (REST/GraphQL).

● Familiarity with Git and build tools (Vite, Rollup).

● Ability to write scalable, maintainable, and reusable frontend code.

● Strong debugging and problem-solving skills.

Nice to Have

● Experience with testing frameworks (Vitest, Playwright, Cypress).

● Knowledge of performance optimization and web accessibility.

● Familiarity with hosting platforms (Vercel, Netlify, Fly.io).

● Exposure to Node.js or backend development.

Pls fill this form for further interview process:

https://forms.gle/xqaHCrccJ1L6HCDo8

Job Title: Senior React.js Developer

Experience: 5+ Years

Location: Pune

Employment Type: Full-Time

Job Summary:

We are looking for a skilled React.js Developer with 5+ years of experience to join our team. You’ll build scalable, high-performance web and mobile applications, work closely with designers and backend developers, and ensure responsive and user-friendly UI/UX across platforms.

Key Responsibilities:

• Develop dynamic, reusable components using React.js, JavaScript, HTML5, and CSS3
• Integrate wireframes and UI/UX designs into functional front-end interfaces
• Ensure cross-browser/platform compatibility and responsive design
• Optimize apps for speed and scalability
• Implement and maintain unit and E2E tests (Jest, Playwright, Puppeteer)
• Integrate with RESTful APIs and backend services
• Maintain code quality and performance standards
• Collaborate with designers, product managers, and backend engineers
• Mentor junior developers and contribute to best practices

Required Skills:

• 5+ years in front-end/UI development
• Strong in React.js, JavaScript (ES6+), HTML5, CSS3
• Experience with Redux, SASS/LESS, REST APIs
• Familiarity with performance optimization tools
• Solid understanding of UI/UX design principles
• Excellent communication and team collaboration skills
• Bachelor’s degree in Computer Science or related field

As a Frontend Developer, your responsibilities will include:

• Developing new user-facing features using React.js and integrating with backend services.
• Building reusable components and front-end libraries for future use.
• Translating designs and wireframes into high-quality code.
• Optimizing components for maximum performance across a broad spectrum of web-capable devices and browsers.

Key Performance Indicators:

• Efficiency and quality of the code developed.
• Adherence to project timelines and delivery milestones.
• Positive stakeholder feedback on usability and design.
• Continuous improvement and adoption of best practices in frontend development.

Prior Experience Required:

• Minimum 3+ years of experience in frontend web development.
• Proficient in JavaScript, including DOM manipulation and the JavaScript object model.
• Extensive experience with React.js and its core principles.
• Strong proficiency in HTML5, CSS3, and modern frontend development tools.
• Experience with popular React.js workflows (such as Redux).
• Familiarity with newer specifications of EcmaScript.
• Experience with data structure libraries (e.g., Immutable.js).
• Good understanding of RESTful APIs and modern authorization mechanisms (e.g., JSON Web Token).
• Good to have: Experience with TypeScript and Next.js.

Location:

Hyderabad

Collaboration:

The role involves working closely with backend developers, UI/UX designers, and project managers to deliver seamless, high-quality web applications.

Salary:

Competitive, based on experience and market standards.

Education:

• Bachelor's degree in Computer Science, Information Technology, or a related field.

Language Skills:

• Strong command of Business English, both verbal and written, is required.

Other Skills:

• Excellent problem-solving skills.
• Looking for perfection in development
• Taking Ownership and Accountability in a fast-paced environment.
• Proficiency in code versioning tools, such as Git.
• Knowledge of modern frontend build pipelines and tools.
• Experience with responsive and adaptive design.

Additional Requirements:

• Portfolio of previous projects that demonstrates expertise in frontend development.
• Familiarity with agile methodologies.
• Strong teamwork skills, with the ability to collaborate effectively with colleagues and clients across diverse teams.

Employer:

About RaptorX

RaptorX is a fintech startup focused on redefining fraud detection and prevention in real time for banks, financial institutions, and digital platforms. Backed by top-tier investors, including senior technology leaders from Google, Microsoft, and Peak XV Partners, RaptorX leverages advanced AI models for anomaly detection, and high-throughput architecture to stay ahead of sophisticated fraud patterns.

ABOUT UNRAVEL CARBON

Unravel Carbon enables companies to assess their carbon footprint by tracking their digital financial footprint with its proprietary carbon emission factor model; making it easy, fast and convenient to become climate positive.

We aim to accelerate the participation of all companies, big and small, in the global fight against climate change. And we want to do it the 21st century way—autonomous, painless, and beautiful.

Unravel Carbon consists of a team of software engineers, data scientists, founders and climate experts with a passion to solve the world’s most pressing issue—climate change. Collectively, our leadership team has launched and invested in multiple companies, and are now combining their experience and knowledge here at Unravel.

We are backed by some of the world’s best funds and investors and are part of Y Combinator’s W22 batch. 

Unravel Carbon was founded in 2021 with headquarters in Singapore.

Unravel Carbon on LinkedIn: https://www.linkedin.com/company/unravelcarbon/

ABOUT THE ROLE

We are looking for early members of our India team. You will be part of the team that establishes our India product development team. We are looking for candidates who have high potential, are excited about tackling the climate change problem and are excited to grow in a high-growth environment while working with the Singapore HQ.

A junior/mid-level React developer. Must be comfortable to work in a small development team and have the initiative to work alone on smaller problem sets.

• Build frontend features using React & typescript
• Collaborate with the backend team on API requirements and contracts
• Analyse processes and code to troubleshoot problems and identify areas of improvement.
• Participating in continuing education and training to remain current on best practices, learn new technologies, and better assist other team members.
• Take lead on projects, as needed.

ABOUT YOU

• Willingness to learn, be a self-starter, and thrive in uncertainty; you would be one of the first few employees at an early stage startup, be prepared to venture into unknown territory, collaborate and learn
• Meticulous and detail-oriented
• Required skills:
• React, 
• Typescript,
• React-query, 
• GraphQL
• Charts & visualisations libraries
• Any ui components library skills
• Bonus skills:
• Next.js
• Server components
• CSS-in-Js

YOUR WORK STYLE

• An understanding of agile product development
• Self exploration and self learning of the latest technologies and applying them to solving the technical challenges our team face
• Self­-starter (proactive and independent) with an ability to prioritise different assignments and tasks to meet deadlines
• Comfortable working in a collaborative environment
• Eager to think outside of the box and creatively problem-solve

YOUR PREFERRED BACKGROUND

A Bachelor’s Degree in Computer Science, IT, or related discipline AND 1+ years working experience in the IT industry. 

WHAT WE OFFER YOU

We offer an exciting challenge for a purpose-driven person who thoroughly enjoys learning and takes up responsibilities in a multi-cultural, primarily virtual, and pioneering organisation.  

We nurture a culture that allows you to thrive, where your skills can be honed and your ideas will be heard, and where collaboration across teams and with global partners is the default.

Responsibilities

Develop high quality, secure, stable code for use in products and solutions for

customers, making it easier for other developers to maintain, enhance, reuse,

and localize

Work with Product Owner and/or Product Manager/Team to understand and help

refine functional requirements for new products

Develop and outline architecture and relationships between subsystems and

participates in review of those designs

Investigate and, if necessary, prototype technologies and algorithms relating to

the task

Break down a large problem into smaller components and provide a clear

solution for each piece

Ensure new code, feature or software product meets performance goals/metrics

Research external best practices and emerging technologies for possible

incorporation into company products and methodologies

Write and maintain the code following Test-Driven-Design principles

Minimum Qualifications

Bachelor’s degree in any Engineering discipline from reputed engineering

college

5 to 7 years of strong programming skills in Web and Cloud Technologies

Should have a very strong foundation in JavaScript, and must have a clear

understanding of basic web fundamentals such as prototype based inheritance,

scopes, Event Loop, Memory Management in JS, etc

Should be good at developing modular front-end applications and is expected to

have the knowledge to create good abstractions that can be reused . Should also

have in-depth understanding of latest ES6 standards such as spread operators,

arrow functions, etc

Should have strong programming skills in Web and Cloud Technologies

Should be strong in OOAD Concepts

Should have a strong hands-on in React, Typescript

Should have Hands-on experience in any of the backend language.

Should understand latest paradigms in Front End Development such as Pub-Sub

Pattern, Redux, RxJS, Service Workers, Client Caching, Lazy Loading, Dynamic

Injection, Bundle Optimisation, etc

Should have very good hands-on knowledge of CSS3 & HTML5

Should have good knowledge of Postman API Platform

Should have experience with Amazon web services – ECS, Lambda, S3, SQS, etc

Should have Hands-on experience of developing RESTful web services and

integrating the same with heterogeneous clients

Should have Hands-on experience with Relational or NoSQL Database’s

Should have a very clear understanding of TDD is expected and should have

good exposure to writing UT's and designing UI components with testability in

mind

Should have Strong Communication and Analytical skills

Flexibility under changing conditions and the ability to multi-task between

projects

Preferred Qualifications

Hands-on experience with C++

Nice to have experience with Python

Nice to have experience with CI/CD tools like Docker, Jenkins, etc

Nice to have a hands-on & Understanding of CSS Pre-processors such as SASS,

LESS, etc