Sr. Javascript Developer / React.js

About Us:

We are a fast-growing startup building AI-powered solutions centered around intelligent agents. Our mission is to deliver seamless, intuitive interfaces that make advanced AI accessible to real users through modern, responsive web applications.

Role: Full Stack Developer Developer

We’re looking for a Full Stack Developer who can design and develop production-ready web applications with excellent frontend user experiences and robust backend systems. You’ll work closely with our AI, product, and design teams to build interactive platforms connecting users with intelligent AI agents.

Responsibilities:

• Develop, test, and maintain end-to-end web applications with modern frontend frameworks and scalable backends.
• Collaborate with AI engineers to integrate agent-driven APIs and real-time data into the UI.
• Design and implement RESTful/GraphQL APIs and efficient database structures.
• Optimize application performance, load times, and user responsiveness.
• Write clean, modular, and reusable code following software design principles.

Requirements:

• THE CANDIDATE MUST BE COMFORTABLE WITH FRONTEND DEVELOPMENT AND HAVE A STRONG UNDERSTANDING OF UI/UX DESIGN PRINCIPLES.
• Strong expertise in Frontend Technologies:React.js,HTML, CSS
• JavaScript,TypeScript, and DOM manipulation.
• State management (Redux, Zustand, Context API,Rest API).
• UI libraries like Material UI, Tailwind CSS, or Bootstrap.
• Proficiency in Node.js and Express.js for backend development.
• Strong understanding of database design (MongoDB, PostgreSQL, or MySQL).
• Knowledge of API design patterns, MVC architecture, and low-level OOP design.
• Hands-on experience with Git/GitHub, version control, and collaborative workflows.
• Awareness of real-time data handling (WebSockets), security, and performance optimization.
• Prior experience building or deploying production-grade web applications through past experience and internships.
• Exposure to AI-powered or multi-agent systems.
• Familiarity with Figma or other design collaboration tools.

What You’ll Gain:

• Hands-on experience building real-world AI-integrated full-stack applications.
• Opportunity to work on frontend architecture, design systems, and API integrations.
• Mentorship from experienced full-stack and AI engineers.
• Pathway for conversion to a full-time position based on performance.

About Job

HelloAR is actively seeking React JS developers with strong proficiency in Three.js to join our growing technical team.

Qualifications:

• Proficiency in modern JavaScript, including ES6 and promises.
• Previous experience with React.js in either a commercial setting or personal projects.
• Understanding of common browser APIs and recent HTTP protocol extensions relevant to frontend development.
• Familiarity with state management libraries such as Redux.
• Experience working with 3D libraries like Three.js.
• A problem solver who enjoys challenges and puzzles.

Responsibilities:

• Develop and maintain HelloAR's React applications.
• Create UI components based on provided designs.
• Produce reusable code and libraries for future use.
• Collaborate with team members and stakeholders.
• Contribute to team development and initiatives.

About HelloAR:

HelloAR is a Remote Presentation platform for physical products. Our platform empowers users to create immersive product catalogs, 3D product configurators, sales tools, e-commerce experiences, collaboration tools, and more. We offer well-designed APIs, a 3D design marketplace, a drag-and-drop admin tool, SDKs for various web and mobile platforms, SDKs for VR platforms, and out-of-the-box solutions that enable users to deliver exceptional product presentations to their customers.

Expectations for Our Engineers:

• Tackle challenging problems.
• Take pride in producing high-quality code.
• Display interest in Augmented Reality.
• Build simple yet powerful web applications.
• Embrace the unique challenges of working in a startup environment.
• Possess knowledge (or a willingness to learn) about 3D and computer graphics.
• Be open to experimentation, learning, and becoming experts in new languages and platforms.
• We are seeking developers who not only excel in programming but also have the ability to question specifications and propose better solutions for users.

About us:
At Priori Capital, we are building The financial SaaS for the Businesses operating with digital assets by empowering the teams to operate in an  effective, efficient and error-free manner by bringing all things finance on one platform. We aim to solve digital asset management for institutions offering cryptographic security, user management setup and secure access to the blockchain ecosystem.

We’re looking for someone passionate about driving innovation and solving exciting problems.

What are you joining: 

• We are currently in a fast-paced growth environment where the only constant is evolution!
• Our team includes individuals with experience in internationally known blockchain and fintech companies like Polygon (Matic), udaanCapital, Iris, Infosys, Cognizant etc.
• We are an early stage start-up with funding from founders of Polygon and a part of the Kira community.

What will you do:

• Design to simplify the complexity - Work with our designers to simplify the systems that are working across chains, protocols or existing financial systems.
• Build for the future of finance - Build, deploy and come back to the whiteboard with the core team to innovate, ideate and scale solutions.
• Own your ship - Be responsible to build framework components, own the development process and drive the development cycle to improve transparency and productivity across the team.

What are we looking for:

• 2+ years of experience in Frontend Engineering building scalable web applications: Experience in web3/fintech is not a mandate to apply. You learn as you go!
• You should be good at your game: Detailed oriented and have a thorough knowledge of JavaScript, HTML5 and CSS3 & hands-on experience with either of VueJS, Angular, React OR similar.
• You have a strong bias for action: You seek problems. If you see one, you find the solution. If you have one, you should be already building it. If it fails, you move to the next!
• You want to grow but together: You want to learn and master new skills by tackling new problems with the team

We are more excited if you have this:

• Knowledge of Git, GraphQL, Flux, Webpack, etc.
• Good at analytical problem solving, know-how of core computer science and algorithms.
• Interested in blockchain or finance.
• Experience in Fintech or Web3 Applications

• Learn from the best!
• Work from wherever
• Self-managed leave policy
• Focus on Work-life Balance
• Learning Budget to hone a skill or learn new ones
• Be a part of the fast-growing environment
• Competitive Salary

Why join SigNoz?
SigNoz helps developers monitor applications and troubleshoot problems in their deployed applications. SigNoz uses distributed tracing to gain visibility into your software stack.

• SigNoz is backed by YCombinator 
• We have taken up a big challenge to replace $B companies via the power of opensource and community. You will get a feel of what climbing an Everest feels like.
• Work with the founding team from IITD and IIMA
• Developers from all over the world are trying out SigNoz. Be a part of building a deep tech global OSS product from India

Why is the role fantastic?

• You will be a founding engineer (one of the early team members who get a stake in our company)
• Get a chance to work on some data intensive frontend projects
• Get a chance to work on real time graphs
• You will get an opportunity to build your profile as an evangelist and communicate will fellow developers in the community.
• Your code will be open sourced, hence code quality will be crucial. You will manage the repo and review PRs
• You get to learn other aspects of development and product, from deployment to discussing features.

Must have skills

• Past experience of working in a global user-facing product
• A strong grasp of libraries and frameworks such as React.js and Typescript will be integral to your success. You may need to tweak other OSS libraries
• Strong working knowledge of HTML, CSS
• Aggressive in building stuff

• Very good knowledge of material design components
• Angular CLI and CDK.
• Creating new Components
• String Interpolation and property binding.
• In depth knowledge on angular Core package
• Two way binding concept
• Use cases on Angular Life cycle methods
• Inbuilt directives and custom directive
• Creation of Custom events and Event binding between components.
• Communication between two custom components
• Local references and View child and Content Child options
• Services and Dependency Injection and its implementation in various use cases
• Angular Routers and routing
• Observables and their use and implementation
• Pipes to transform output Creating Http request ( API handling)Dynamic Components
• Good Knowledge of HTML5, CSS3, JQuery, Typescript
• Proficient understanding of code versioning tools, such as Git, SVN
• Adhering to best design practice
• Good Written and Verbal communications.

We're looking for a React Developer to join our growing frontend team.

As a React Developer, you will help develop the next generation of our apps using tools such as React.js, Redux, Saga, Thunk and Webpack. You should be familiar with React and its ecosystem. Past experience with a React codebase is a requirement.

We're looking for someone who is comfortable with a fast-moving environment and can learn quickly.

• Develop new components and features for our frontend app(s)
• Write, audit, and improve our test coverage
• Document and refactor our frontend codebase
• Profile and improve our frontend performance
• Write about your work and contribute back to open source

While these requirements are a guideline, feel free to apply even if you don't meet some of these.

• 3+ years’ experience working with a Javascript framework, preferably React
• In-depth understanding of Javascript, the DOM, and relevant concepts
• In-depth understanding of Redux/React Hooks/Saga/Thunk
• Proficiency with browser based debugging and performance testing
• Understanding of progressive web apps
• Experience with a testing framework (Jest/Mocha)
• Experience using Git
• Excellent communication skills, both written and verbal