1002 Javascript jobs in Delhi

Company Description
At Januscaler, our mission is to democratize WebRTC and enable developers of all backgrounds to harness its potential. We believe that the power of WebRTC should be accessible to everyone, not just a select few. Our aim is to foster a vibrant community of creators and innovators who can push the boundaries of what's possible on the web.

Role Description
This is a full-time remote role for a JavaScript Developer. You will play a key role in building generic and scalable front-end UI components and libraries with Nuxt 4, , TypeScript, and Pinia to complement backend services. Alongside this, you will also be responsible for developing and maintaining REST APIs to ensure seamless communication between client and server.

Daily tasks will include:

Designing and developing scalable, reusable front-end UI components and libraries

Building and maintaining back-end REST APIs

Collaborating with cross-functional teams to integrate front-end and back-end systems

Ensuring high performance, responsiveness, and scalability of applications

Writing maintainable, testable, and clean code

Qualifications
Strong proficiency in Nuxt 4, , TypeScript, and JavaScript

Experience with state management systems such as Pinia

Hands-on experience in back-end REST API creation

Solid understanding of scalable front-end and back-end web development

Excellent problem-solving abilities and attention to detail

Ability to work independently and remotely

WebRTC experience is a plus

Bachelor's degree in Computer Science, Engineering, or related field

Nice to Have
Experience with UI frameworks like Tailwind CSS or Vuetify

Familiarity with GraphQL and API design best practices

Knowledge of testing frameworks (Jest, Vitest, Cypress, etc.)

Experience with CI/CD pipelines (GitHub Actions, GitLab CI, etc.)

Understanding of cloud platforms (AWS, GCP, Azure, or similar)

Contribution to open-source projects or personal portfolio work

Perks
Compensation starting from ₹25,000 per month, negotiable based on skillset and experience

Opportunity to learn cutting-edge technologies and scalable strategies around WebRTC

Flexible remote work culture

Saturdays off (5-day work week)

Be part of a fast-growing startup with opportunities for career growth

As a JavaScript engineer, you will use those superpowers to build and maintain SDKs and This is majorly CLI tools. Our client have a CLI tool built in Javascript/Typescript. Someone who has built CLI applications and hands on experience on Javascript/Typescript is our ideal candidate. Node.js experience good to have. Looking for an experienced software engineer across JavaScript (Browser & Node)

You will be working in a cross-functional team alongside the developer evangelist, onboarding, growth, dashboard, community, tooling, and SDK teams to provide the best developer experience for the technologies you own. The most important qualifications for this position are software engineering expertise, empathy, and self-direction.

Key Skills:

• Good hands on experience on JavaScript (preferably React on frontend and Node.js on backend)
• Worked on SDKs
• Contributed to open source community/Github (Good to have)

You will be:

• Developing client libraries that allow users to integrate seamlessly.
• Writing, curating, editing developer resources: tutorials, examples, guides, and documentation.
• Directly shaping and developing our open source SDKs
• Owning the code samples and implementation guidance.
• Championing by engaging directly with the community.
• Gathering and channel user feedback within the company to improve the experience for developers.
• The go-to-expert in the company, internally and externally, providing domain knowledge and reviews in these technologies.
• Sharing your technical expertise at conferences and other tech events.
• Developing our libraries that allow users to integrate seamlessly.
• Working on our Quickstart guides to delight our developers.
• Troubleshooting and fixing issues with our libraries.

You'd be a great fit if you:

• 5+ years of expertise in JavaScript
• Have developed libraries or SDKs to be consumed by other developers
• Have a good understanding of JavaScript and the ecosystem, including writing code for frontend and backend (Node)
• Have working knowledge of JavaScript frameworks such as React, Vue, Angular, or Next.js
• Have created applications that have seen the light of day
• You are able to work in a team environment, have good communication skills and understand the value of collaboration
• Understanding of CI platforms such as GitHub Actions or CircleCI
• A deep understanding of writing, running, maintaining and debugging applications.
• The ability to communicate effectively in person and in writing as a presenter, documenter.
• Excellent written and verbal communication skills: presenting, documenting, troubleshooting.
• Demonstrable experience authoring developer documentation (tutorials, blog posts, docs).
• The ability to be self-directed and be effective working independently, yet feel equally comfortable contributing in a global team environment.

Bonus points if you have:

• Experience working in distributed teams and work environments.
• Created open-source material or have contributed to open-source projects.
• Your own technical blog or published articles on popular JavaScript sites.
• Knowledge in the identity and access management space.

As a JavaScript engineer, you will use those superpowers to build and maintain SDKs and This is majorly CLI tools. Our client have a CLI tool built in Javascript/Typescript. Someone who has built CLI applications and hands on experience on Javascript/Typescript is our ideal candidate. Node.js experience good to have. Looking for an experienced software engineer across JavaScript (Browser & Node)

You will be working in a cross-functional team alongside the developer evangelist, onboarding, growth, dashboard, community, tooling, and SDK teams to provide the best developer experience for the technologies you own. The most important qualifications for this position are software engineering expertise, empathy, and self-direction.

Key Skills:

• Good hands on experience on JavaScript (preferably React on frontend and Node.js on backend)
• Worked on SDKs
• Contributed to open source community/Github (Good to have)

You will be:

• Developing client libraries that allow users to integrate seamlessly.
• Writing, curating, editing developer resources: tutorials, examples, guides, and documentation.
• Directly shaping and developing our open source SDKs
• Owning the code samples and implementation guidance.
• Championing by engaging directly with the community.
• Gathering and channel user feedback within the company to improve the experience for developers.
• The go-to-expert in the company, internally and externally, providing domain knowledge and reviews in these technologies.
• Sharing your technical expertise at conferences and other tech events.
• Developing our libraries that allow users to integrate seamlessly.
• Working on our Quickstart guides to delight our developers.
• Troubleshooting and fixing issues with our libraries.

You'd be a great fit if you:

• 5+ years of expertise in JavaScript
• Have developed libraries or SDKs to be consumed by other developers
• Have a good understanding of JavaScript and the ecosystem, including writing code for frontend and backend (Node)
• Have working knowledge of JavaScript frameworks such as React, Vue, Angular, or Next.js
• Have created applications that have seen the light of day
• You are able to work in a team environment, have good communication skills and understand the value of collaboration
• Understanding of CI platforms such as GitHub Actions or CircleCI
• A deep understanding of writing, running, maintaining and debugging applications.
• The ability to communicate effectively in person and in writing as a presenter, documenter.
• Excellent written and verbal communication skills: presenting, documenting, troubleshooting.
• Demonstrable experience authoring developer documentation (tutorials, blog posts, docs).
• The ability to be self-directed and be effective working independently, yet feel equally comfortable contributing in a global team environment.

Bonus points if you have:

• Experience working in distributed teams and work environments.
• Created open-source material or have contributed to open-source projects.
• Your own technical blog or published articles on popular JavaScript sites.
• Knowledge in the identity and access management space.

As a JavaScript engineer, you will use those superpowers to build and maintain SDKs and This is majorly CLI tools. Our client have a CLI tool built in Javascript/Typescript. Someone who has built CLI applications and hands on experience on Javascript/Typescript is our ideal candidate. Node.js experience good to have. Looking for an experienced software engineer across JavaScript (Browser & Node)

You will be working in a cross-functional team alongside the developer evangelist, onboarding, growth, dashboard, community, tooling, and SDK teams to provide the best developer experience for the technologies you own. The most important qualifications for this position are software engineering expertise, empathy, and self-direction.

Key Skills:

• Good hands on experience on JavaScript (preferably React on frontend and Node.js on backend)
• Worked on SDKs
• Contributed to open source community/Github (Good to have)

You will be:

• Developing client libraries that allow users to integrate seamlessly.
• Writing, curating, editing developer resources: tutorials, examples, guides, and documentation.
• Directly shaping and developing our open source SDKs
• Owning the code samples and implementation guidance.
• Championing by engaging directly with the community.
• Gathering and channel user feedback within the company to improve the experience for developers.
• The go-to-expert in the company, internally and externally, providing domain knowledge and reviews in these technologies.
• Sharing your technical expertise at conferences and other tech events.
• Developing our libraries that allow users to integrate seamlessly.
• Working on our Quickstart guides to delight our developers.
• Troubleshooting and fixing issues with our libraries.

You'd be a great fit if you:

• 5+ years of expertise in JavaScript
• Have developed libraries or SDKs to be consumed by other developers
• Have a good understanding of JavaScript and the ecosystem, including writing code for frontend and backend (Node)
• Have working knowledge of JavaScript frameworks such as React, Vue, Angular, or Next.js
• Have created applications that have seen the light of day
• You are able to work in a team environment, have good communication skills and understand the value of collaboration
• Understanding of CI platforms such as GitHub Actions or CircleCI
• A deep understanding of writing, running, maintaining and debugging applications.
• The ability to communicate effectively in person and in writing as a presenter, documenter.
• Excellent written and verbal communication skills: presenting, documenting, troubleshooting.
• Demonstrable experience authoring developer documentation (tutorials, blog posts, docs).
• The ability to be self-directed and be effective working independently, yet feel equally comfortable contributing in a global team environment.

Bonus points if you have:

• Experience working in distributed teams and work environments.
• Created open-source material or have contributed to open-source projects.
• Your own technical blog or published articles on popular JavaScript sites.
• Knowledge in the identity and access management space.

Role Overview:

The Code Reasoning / Code Benchmarks role involves designing algorithmically rich coding problems and evaluation systems that test reasoning, correctness, and performance. You will develop robust code, clear technical specifications, and comprehensive test suites across areas like data structures, graph algorithms, and number theory. The role requires strong software engineering skills, a deep understanding of algorithmic complexity, and experience with benchmarking or test automation. Ideal candidates are detail-oriented, creative problem solvers with 5+ years of engineering experience.

Requirements:

• 5+ years of experience in software engineering, algorithm design, or systems-level programming.
• Strong proficiency in JavaScript with at least 4+ years of experience
• Proven ability to write clear, concise, and technically challenging algorithmic code.
• Strong understanding of algorithmic complexity, performance optimization, and computational constraints.
• Experience with test automation, benchmark creation, or complex systems evaluation is a strong plus.
• Familiarity with modern software data formats (e.g., JSON, YAML) and version-controlled codebases.

• Domains of Expertise: Successful candidates will demonstrate deep fluency in at least four of the following areas:

• Core Data Structures: Trie, Segment Tree, Union Find

• Algorithmic Paradigms: Dynamic Programming, Greedy Algorithms, Bitmasking
• Graph Algorithms: Shortest Paths, Network Flow, Topological Sorting
• Mathematics & Number Theory: Geometry, Probability, Modular Arithmetic
• String Processing: Suffix Trees, Rolling Hashing, Pattern Matching
• Advanced Topics: 2-SAT, Fast Fourier Transform (FFT), Linear Programming

Evaluation Process (approximately 90 mins) :

• Two rounds of interviews (60 min technical + 30 min technical & cultural discussion)

Vacancies: 150+
Job Type: Remote
Role: Contract (6 months) – Extension based on performance
Location: India
Compensation (Negotiable): ₹75,000 -  ₹80,000 / month 

• Secure long-term opportunities with Hiredoer
• Work on multiple projects alongside your current job
• Enhance your earning potential with additional income streams

We are partnering with a U.S.-based AI innovation company to hire skilled Front-End Developers who can bridge the gap between AI-driven solutions and high-quality web experiences. You will be responsible for enhancing AI-generated web applications by refining, optimizing, and implementing advanced front-end functionalities.

• Develop and refine AI-generated web pages using HTML, CSS, and JavaScript
• Write effective AI prompts to guide models in producing accurate webpage code
• Evaluate and rank AI-generated outputs for accuracy, usability, and design fidelity
• Improve AI learning by providing technical feedback and logic explanations
• Implement missing or incorrect front-end functionality when required
• Conduct peer code reviews and ensure high-quality, maintainable code
• Collaborate with engineers and product teams to enhance AI-generated content

• Experience: 5+ years in front-end development (HTML, CSS, JavaScript)
• Education: Bachelor’s/Master’s in Engineering, Computer Science, or equivalent experience
• Skills:
  • Strong UI/UX knowledge and responsive design expertise
  • Intermediate Python knowledge is a plus
  • Solid understanding of algorithms, system design, and best coding practices
• Soft Skills:
  • Critical thinking and problem-solving abilities
  • Strong English communication for documentation and team collaboration

Apply Now:

The Role

We're seeking a skilled Full Stack JavaScript Developer to build robust, scalable solutions that power our legal tech platform. You'll work on everything from real-time lawyer matching systems to AI-powered legal assistants, directly impacting how millions access legal services.

What You'll Do

• Develop and maintain web applications using and
• Build responsive, high-performance frontend interfaces with React
• Design and implement RESTful APIs and microservices
• Work with databases (MongoDB, PostgreSQL) to manage legal data
• Integrate third-party APIs and payment gateways
• Implement real-time features for our 24/7 legal helpline (LOTS)
• Collaborate on our AI legal assistant (LAILA) integration
• Optimize applications for speed, scalability, and security
• Write clean, maintainable code with proper testing

What We're Looking For

• 3+ years of full stack JavaScript development experience
• Strong proficiency in and
• Expert knowledge of React and
• Experience with MongoDB and/or PostgreSQL
• Understanding of RESTful API design and development
• Knowledge of version control (Git) and deployment processes
• Experience with cloud platforms (AWS/Google Cloud preferred)
• Understanding of authentication, security, and data protection

Nice to Have

• Experience with TypeScript
• Knowledge of Docker and containerization
• Real-time systems experience (WebSocket, )
• Experience with legal tech, fintech, or compliance-heavy applications
• Mobile app development experience (React Native)
• AI/ML integration experience
• Understanding of Indian payment systems and KYC processes

Tech Stack You'll Work With

• Frontend: React, , TypeScript, Tailwind CSS
• Backend: , , MongoDB, PostgreSQL
• Cloud: AWS/Google Cloud, Docker
• Tools: Git, Figma, Postman, Jest
• Integrations: Payment gateways, SMS/WhatsApp APIs, AI services

What We Offer

• Work on technology that democratizes access to justice
• Opportunity to build systems serving millions of users
• Flexible hybrid work environment
• Latest tech stack and development tools
• Professional development and conference opportunities
• Health benefits and performance bonuses
• Fast-track career growth in a scaling startup