220 Javascript jobs in Kochi

About Company

Our client is a trusted global innovator of IT and business services. We help clients transform through consulting, industry solutions, business process services, digital & IT modernisation and managed services. Our client enables them, as well as society, to move confidently into the digital future. We are committed to our clients’ long-term success and combine global reach with local client attention to serve them in over 50 countries around the globe.

Job Title: JavaScript Developer

Location: Pan India

Experience: 5+ yrs

Job Type : Contract to hire

Notice Period:- Immediate joiner

Mandatory Skills

· Hands-on experience with JavaScript Developer.

● 5+ years of experience in software engineering, algorithm design, or systems-level programming.

● Strong proficiency in JavaScript Developer 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

Responsibilities

• Writing clean, high-quality, high-performance, maintainable
• code Develop and support software including applications, database integration, interfaces, and new functionality enhancements Coordinate cross-functionally to insure project meets business objectives and compliance standards Support test and deployment of new products and
• features Participate in code reviews.

Qualifications

• Bachelor's degree in Computer Science (or related field)

About Kilwar

Kilwar is an AI-first software development studio  specializing in composable platforms for eCommerce, blockchain, and cloud infrastructure. We build scalable systems that integrate intelligent automation with real-world business needs, delivering performance, flexibility, and long-term value.

Role Description

We are looking for a Node.js Developer  who thrives on building and optimizing APIs that power complex platforms. This is not a cookie-cutter role — we need someone who can think out of the box , design elegant solutions, and push the limits of scalable backend engineering.

Key Responsibilities

• Design, build, and maintain RESTful and GraphQL APIs  used across eCommerce and automation platforms.
• Architect and optimize microservices  for performance, resilience, and scalability.
• Collaborate with front-end, AI, and infrastructure teams to integrate services seamlessly.
• Ensure APIs are secure, well-documented, and developer-friendly.
• Debug, monitor, and improve existing API endpoints to reduce latency and improve throughput.
• Explore innovative solutions for system bottlenecks, data flow, and third-party integrations.

Qualifications

• Strong proficiency in Node.js (ES6+)  and back-end JavaScript/TypeScript.
• Solid experience building and scaling APIs (REST, GraphQL).
• Familiarity with databases  (SQL and NoSQL) and ORMs.
• Understanding of authentication/authorization protocols (OAuth, JWT).
• Knowledge of microservices architecture  and event-driven design.
• Strong problem-solving skills and ability to think creatively about system design.
• Bachelor’s degree in Computer Science, Engineering, or related field.

Nice to Have

• Experience with API gateways  (Kong, Apigee, AWS API Gateway).
• Knowledge of DevOps tools  (Docker, Kubernetes, CI/CD).
• Familiarity with AI/automation integrations .
• Background in eCommerce or payment systems.

Why Kilwar?

• Work on cutting-edge API platforms  at the intersection of eCommerce, blockchain, and AI.
• Be part of an AI-first culture  where innovation is encouraged.
• Competitive compensation and growth opportunities.
• Collaborative, startup-style environment that rewards creative problem-solving.

About Kilwar

Kilwar is an AI-first software development studio  specializing in composable platforms for eCommerce, blockchain, and cloud infrastructure. We build scalable systems that integrate intelligent automation with real-world business needs, delivering performance, flexibility, and long-term value.

Role Description

We are looking for a Node.js Developer  who thrives on building and optimizing APIs that power complex platforms. This is not a cookie-cutter role — we need someone who can think out of the box , design elegant solutions, and push the limits of scalable backend engineering.

Key Responsibilities

• Design, build, and maintain RESTful and GraphQL APIs  used across eCommerce and automation platforms.
• Architect and optimize microservices  for performance, resilience, and scalability.
• Collaborate with front-end, AI, and infrastructure teams to integrate services seamlessly.
• Ensure APIs are secure, well-documented, and developer-friendly.
• Debug, monitor, and improve existing API endpoints to reduce latency and improve throughput.
• Explore innovative solutions for system bottlenecks, data flow, and third-party integrations.

Qualifications

• Strong proficiency in Node.js (ES6+)  and back-end JavaScript/TypeScript.
• Solid experience building and scaling APIs (REST, GraphQL).
• Familiarity with databases  (SQL and NoSQL) and ORMs.
• Understanding of authentication/authorization protocols (OAuth, JWT).
• Knowledge of microservices architecture  and event-driven design.
• Strong problem-solving skills and ability to think creatively about system design.
• Bachelor’s degree in Computer Science, Engineering, or related field.

Nice to Have

• Experience with API gateways  (Kong, Apigee, AWS API Gateway).
• Knowledge of DevOps tools  (Docker, Kubernetes, CI/CD).
• Familiarity with AI/automation integrations .
• Background in eCommerce or payment systems.

Why Kilwar?

• Work on cutting-edge API platforms  at the intersection of eCommerce, blockchain, and AI.
• Be part of an AI-first culture  where innovation is encouraged.
• Competitive compensation and growth opportunities.
• Collaborative, startup-style environment that rewards creative problem-solving.

We are seeking a highly skilled and motivated Full Stack Engineer – JavaScript to join our dynamic development team. You will be responsible for building robust, scalable, and modern web applications using a cutting-edge tech stack that includes Next.js, Supabase, and PostgreSQL. You should be comfortable working across the entire stack and contributing to all phases of the development lifecycle.

Responsibilities

• Design, develop, and maintain full-stack web applications using Next.js and Supabase.
• Work with PostgreSQL to model and manage relational data effectively.
• Build modular frontend components and backend API endpoints.
• Ensure code quality through unit testing, code reviews, and adherence to best practices.
• Collaborate with designers, product managers, and other engineers to deliver seamless user experiences.
• Optimize applications for performance, scalability, and reliability.
• Utilize GitHub for version control and follow structured workflows, including feature branching and pull requests.
• Stay current with evolving technologies and apply new knowledge to solve real-world development challenges.

Requirements

• 3–6 years of hands-on experience in full-stack web development using JavaScript.
• Strong command of JavaScript/TypeScript, ES6+, and modern frontend development practices.
• Proficient in React.js and Next.js, including server-side rendering and API development.
• Experience working with Supabase or similar backend-as-a-service platforms.
• Solid understanding of PostgreSQL, including data modeling, performance tuning, and SQL.
• Familiarity with real-time application features (e.g., subscriptions, WebSockets).
• Experience with Git-based version control and collaborative development processes.
• Comfortable working with CI/CD tools and cloud platforms like Vercel.
• Strong problem-solving skills and a proactive, quality-first mindset.

Good to Have

• Experience creating and maintaining shared component libraries (e.g., private NPM packages).
• Exposure to AI/ML integrations within modern web applications.
• Understanding of accessibility and web performance optimization.

We are seeking a highly skilled and motivated Full Stack Engineer – JavaScript to join our dynamic development team. You will be responsible for building robust, scalable, and modern web applications using a cutting-edge tech stack that includes Next.js, Supabase, and PostgreSQL. You should be comfortable working across the entire stack and contributing to all phases of the development lifecycle.

Responsibilities

• Design, develop, and maintain full-stack web applications using Next.js and Supabase.
• Work with PostgreSQL to model and manage relational data effectively.
• Build modular frontend components and backend API endpoints.
• Ensure code quality through unit testing, code reviews, and adherence to best practices.
• Collaborate with designers, product managers, and other engineers to deliver seamless user experiences.
• Optimize applications for performance, scalability, and reliability.
• Utilize GitHub for version control and follow structured workflows, including feature branching and pull requests.
• Stay current with evolving technologies and apply new knowledge to solve real-world development challenges.

Requirements

• 3–6 years of hands-on experience in full-stack web development using JavaScript.
• Strong command of JavaScript/TypeScript, ES6+, and modern frontend development practices.
• Proficient in React.js and Next.js, including server-side rendering and API development.
• Experience working with Supabase or similar backend-as-a-service platforms.
• Solid understanding of PostgreSQL, including data modeling, performance tuning, and SQL.
• Familiarity with real-time application features (e.g., subscriptions, WebSockets).
• Experience with Git-based version control and collaborative development processes.
• Comfortable working with CI/CD tools and cloud platforms like Vercel.
• Strong problem-solving skills and a proactive, quality-first mindset.

Good to Have

• Experience creating and maintaining shared component libraries (e.g., private NPM packages).
• Exposure to AI/ML integrations within modern web applications.
• Understanding of accessibility and web performance optimization.