
Building web application front end & backend
React
Spring Core, Spring MVC
Spring Boot
Spring Webflux/Reactive
Mongo DB/Cassandra
HTML, CSS, Javascript,
Cloud Basics (AWS/GCP/Azure)
Cloud Functions (AWS/GCP/Azure)

About Kloud9 Technologies
About
Kloud9 was founded with the vision of enabling our customers to transform into an intelligent enterprise with our “AI-First” approach. We help our customers in their data transformation and insights transformation journeys and enable them to make smart business decisions.
At Kloud9, we know AI & ML is one of the key technologies that can help organizations to significantly improve their customer experiences and transform their business operations to enable them to survive & thrive in this global competitive market.
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About us
At Basal, we focus on building intelligent AI products for real-world business problems. Our product, Desible.ai, is an AI Voice Agent that talks, thinks, and acts like humans - automating conversations across voice, WhatsApp, email, and SMS. Desible.ai helps enterprises handle millions of calls every month, from lead qualification to reminders to follow-ups.
We’re a growing, high-impact team of engineers, designers, and AI specialists combining speech tech, large language models, and real-time infrastructure to power intelligent voice automation at scale.
What You’ll Do
- Build and scale Desible.ai’s internal and client-facing web platforms end-to-end
- Design APIs and data pipelines integrating with real-time voice and communication systems
- Implement modular, well-tested frontend and backend features using modern frameworks
- Collaborate closely with AI, infra, and product teams to build reliable, usable tools
- Ensure high performance and fault tolerance for live conversational workloads
- Contribute to deployment and DevOps pipelines (CI/CD, cloud setup, monitoring)
What We’re Looking For
- 3–5 years of strong full-stack development experience
- Hands-on experience with Node.js, React, Next.js, MongoDB, PostgreSQL/MySQL
- Strong understanding of APIs, Websockets, cloud deployments (AWS/GCP/Azure)
- Good grasp of system design, scalability, and microservices
- Comfortable owning complete features — from backend logic to frontend delivery
- Bonus: experience in real-time communication, telephony, or AI-driven systems
Why Join Us
- Build real products that talk to thousands of people daily
- Be part of a small, high-ownership engineering team where ideas ship fast
- Work directly with founders and the core AI team - your code will define Desible.ai
- Competitive pay, flexible work setup, and genuine scope for growth
Minimum 7 years experience : Individual Contributor ( Back-end plus Cloud- Infra)
Banking/Payments Domain : Worked on projects from scratch and scaled
Experience with Payment Gateway Companies is a plus
Tech Stack
Java SpringBoot,AWS,GCP,REST
Worked on CI/CD (Manage and setup )
Different SQL and NO-SQL Databases -,PostgreSQL,MongoDB
Responsibilities:
End to end coding ; from software architecture to managing scaling,of high throughput(100000)RPS high volume transactions.
DIscuss business requirements and timelines with management and create a task plan for junior members.
Manage the day to day activities of all team members and report their work progress
Mentoring the team on best coding practices and making sure modules are Live
on time.
Management of security vulnerabilities.
Be a full individual contributor which means can work in a team as well as alone.
Attitude:
Passion for tech innovation and solve problems
GoGetter Attitude
Extremely humble and polite
Experience in Product companies and Managing small teams is a plus
We are looking for a Node.js Lead Developer responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
As a MERN Stack Developer / Software Architect, you will play a crucial role in the architecture, development, and leadership of our digital products. You will collaborate closely with cross-functional teams to create exceptional user experiences, while also ensuring the scalability, security, and performance of our applications.
Responsibilities:
- Architecture and Technical Leadership: Design and develop the architectural roadmap for the website and mobile app. Lead and mentor a team of 8-9 MERN Stack developers, providing technical guidance, code reviews, and best practices to ensure high-quality solutions.
- Full Stack Development: Hands-on contribution to the development of complex features and functionalities using the MERN (MongoDB, Express.js, React, Node.js ) stack. Implement robust and maintainable code that aligns with industry standards.
- Scalability and Performance: Collaborate with the team to optimize application performance, ensuring that the platform can handle increased traffic and usage while maintaining a seamless user experience.
- Code Quality and Best Practices: Enforce coding standards, conduct regular code reviews, and implement best practices for software development. Ensure that the team follows coding, testing, and documentation standards consistently.
- Technical Evaluation: Evaluate and adopt new technologies, tools, and frameworks that can enhance the development process and overall product quality.
- Collaboration: Work closely with Product Managers, Designers, and other stakeholders to translate business requirements into technical solutions. Collaborate effectively with cross-functional teams to deliver on time and within scope.
- Problem Solving: Troubleshoot complex technical issues and provide innovative solutions to challenges that may arise during the development lifecycle.
- Continuous Learning: Stay updated with the latest trends, technologies, and best practices in the MERN stack and software architecture domain. Share knowledge and promote a culture of learning within the team.
Requirements:
- Bachelor's degree in Computer Science, Engineering, or related field. Master's degree is a plus.
- 7-10 years of professional experience in software development, with a strong focus on MERN stack development.
- Proven experience in designing and implementing scalable, high-performance web applications and mobile apps.
- Solid understanding of software architecture principles and design patterns.
- Previous experience in a leadership or technical mentorship role.
- Strong proficiency in MongoDB, Express.js, React, and Node.js .
- Experience with cloud platforms (e. g., AWS, Azure) and DevOps practices.
- Excellent problem-solving skills and a proactive attitude towards addressing challenges.
- Effective communication and collaboration skills.
- Prior experience in the health and wellness industry is a plus.
AI/ML Development: Build models using open-source frameworks (e.g., PyTorch, TensorFlow). ● Zero-Cost Full-Stack Engineering: Build across the stack using cost-free tools and infrastructure. ● Security & Auth: Implement secure authentication/authorization systems using free solutions. ● AI-Augmented Coding: Utilize tools like GitHub Copilot, Cody, and Workik to 10x productivity. ● UI/UX Focus: Build clean, engaging, and fast interfaces. ● Rapid Iteration: Ship MVPs, test quickly, and improve constantly. ● Lean Infrastructure: Avoid paid services; build with open-source and free-tier tools.
Are you a champion in your domain, driven by a passion for development, eager to kickstart your career in Full Stack Engineer, and hungry for a new and exciting challenge? Look no further! At Argon-Quber, we are on a mission to revolutionize the tech industry, and we are seeking exceptional Full Stack Engineer Inters like you to join our elite team.
We pride ourselves on being a hub of innovation, where cutting-edge technologies and groundbreaking ideas converge. As a Full Stack Engineer Intern, you will be at the forefront of this revolution, pushing the boundaries of what is possible and shaping the future of software development.
Job Description:
We are seeking a highly skilled and motivated Full Stack Engineer Intern with 0-1 years of experience to join our dynamic team. As a Full Stack Engineer Intern, you will be responsible for learning, developing and maintaining both front-end and back-end applications. You will collaborate with cross-functional teams to design, develop, and implement cutting-edge solutions.
What You Will Do:
- Collaborate with stakeholders and end-users to gather feedback and iterate on product features to ensure an exceptional user experience.
- Design, develop, and deploy scalable and secure full stack applications.
- Collaborate with UI/UX designers and product managers to translate wireframes and prototypes into functional web applications.
- Develop and maintain server-side logic using modern programming languages and frameworks.
- Build efficient and reusable front-end components and libraries.
- Implement responsive and mobile-friendly user interfaces.
- Integrate third-party APIs and services to enhance application functionality.
- Ensure high-performance and availability of applications through code optimization and thorough testing.
- Debug and resolve technical issues reported by clients or stakeholders.
- Stay up-to-date with emerging technologies, industry trends, and best practices in web development.
- Participate in code reviews and provide constructive feedback to peers.
- Collaborate with a diverse team of developers, designers, and product managers to create innovative and user-friendly web applications.
- Participate in the entire software development lifecycle, from requirements gathering and design to development, testing, and deployment.
- Contribute to the architecture and technical decisions of our projects, leveraging your expertise to drive technical excellence.
- Continuously improve your skills and stay updated on the latest technologies, frameworks, and best practices in full stack development.
- Embrace agile methodologies and actively participate in sprint planning, stand-ups, and retrospectives to ensure successful project delivery.
- Take ownership of your work and deliver high-quality code that is scalable, efficient, and maintainable.
- Be a problem solver and find creative solutions to overcome challenges encountered during the development process.
What we're looking for:
- Bachelor's degree in Computer Science, Software Engineering, or a related field.
- 0-1 years of professional experience as a Full Stack Developer.
- Proficiency in front-end development technologies such as HTML, CSS, JavaScript (ES6+), and modern front-end frameworks like React, Angular, or Vue.js.
- Strong understanding of server-side languages like Node.js, Python, or Ruby, and related frameworks such as Express, Django, or Ruby on Rails.
- Experience with relational databases (e.g., MySQL, PostgreSQL) and NoSQL databases (e.g., MongoDB, Redis).
- Familiarity with version control systems (e.g., Git) and Agile development methodologies.
- Knowledge of cloud platforms such as AWS, Azure, or Google Cloud.
- Solid understanding of RESTful APIs and the ability to integrate them into applications.
- Experience with testing frameworks (e.g., Jest, Jasmine, PyTest) and writing unit tests.
- Strong problem-solving and analytical skills.
- Excellent communication and collaboration skills to work effectively in a team environment.
- Ability to handle multiple projects and prioritize tasks effectively.
- Preferred candidate is to be in Bangalore location.
- Experience with containerization technologies (e.g., Docker, Kubernetes).
- Knowledge of serverless architecture and deployment (e.g., AWS Lambda, Azure Functions).
- Familiarity with DevOps practices and CI/CD pipelines.
- Understanding of GraphQL and related frameworks (e.g., Apollo).
- Knowledge of TypeScript for both front-end and back-end development.
Duration:
This is a paid internship position for a duration of 6 months. The starting date will be determined based on the availability of the selected candidate.
Here's why Argon-Quber is the ultimate destination for top-tier Engineers:
- Innovation is Our DNA: At Argon-Quber, we thrive on innovation and embrace disruptive technologies. Join our team and be a part of our relentless pursuit of groundbreaking solutions that redefine industry standards.
- Empowerment and Autonomy: We believe in empowering our developers to take ownership of their work. At Argon-Quber, you will have the autonomy to make strategic decisions, influence the architectural direction, and unleash your full potential.
- World-Class Team: Join forces with a team of brilliant minds, industry experts, and thought leaders who share a common goal: to create exceptional software solutions. Collaborate, learn from each other, and be inspired by the collective brilliance that surrounds you.
- Unparalleled Growth Opportunities: We are committed to your professional growth. Whether you aspire to become a technical guru, a team lead, or even venture into management, Argon-Quber provides you with the resources, mentorship, and support needed to climb the career ladder.
- Impact at Scale: Your work at Argon-Quber will reach millions of users, transforming industries and improving lives. You will have the opportunity to create solutions that leave a lasting impact, disrupt markets, and shape the digital landscape.
- Culture of Excellence: At Argon-Quber, we foster a culture of excellence where only the best is accepted. We celebrate achievements, recognize exceptional talent, and create an environment where your brilliance is acknowledged and rewarded.
- Work Hard, Party Harder: We believe that a healthy work-life balance leads to increased creativity and productivity. Enjoy a flexible work environment, social events, team outings, and a supportive atmosphere that values your well-being.
Location:
This position is based in Bangalore, India. Please only apply if you are currently residing in or willing to relocate to Bangalore.
If you are ready to unleash your true potential, work on game-changing projects, and be a part of Argon-Quber, an organization that will empower you to achieve greatness, then look no further.
- Join us in shaping the future of technology and revolutionizing the way the world experiences software. Apply now and embark on an extraordinary journey at Argon-Quber where your skills will be honed, your creativity will thrive, and your impact will be unmatched. Let's build the future together!
Technical and Professional Requirements-
3+ years of relevant experience as a Full Stack Developer.
Job Brief:
We are looking for a Full Stack Developer to produce scalable software solutions. You'll be part of a cross-functional team that's responsible for the full software development life cycle, from conception to deployment.
As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks, and third-party libraries. You should also be a team player with a knack for visual design and utility.
If you're also familiar with Agile methodologies, wed like to meet you.
Requirements
• Proven experience as a Full Stack Developer or similar role
• Experience developing desktop and mobile applications
• Familiarity with common stacks
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
• Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• An analytical mind.
• Expert level in Java and OOP concepts
• Expert level with REST APIs
• Intermediate level with Spring
• Intermediate level with SQL programming in SQL Server
• Beginner to Intermediate level with UI development and JS frameworks like React or Angular.
• Good knowledge of Design Patterns, Algorithms, and Data Types, and Open-Source libraries
• Strong analytical and reasoning skills
• Strong communication skills
Nice to Haves:
• Familiarity with NoSQL/BigData frameworks like ElasticSearch, MongoDB, Redis.
• Familiarity with Python
• Familiarity with Docker
• Familiarity with Shell scripting
Responsibilities
• Work with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Test software to ensure responsiveness and efficiency
• Troubleshoot, debug and upgrade software
• Create security and data protection settings
• Build features and applications with a mobile responsive design
• Write technical documentation
• Work with data scientists and analysts to improve software
systems that will meet business needs.
The software architect’s responsibilities include gathering requirements and functional
specifications,
assessing the current software systems in place in order to identify areas in need of
improvement, and overseeing development teams.
Strong follower of Agile methodologies.
Responsibilities:
• Building and integrating information systems to meet the company’s needs.
• Assessing the systems architecture currently in place and working with technical staff
to recommend solutions to improve it.
• Resolving technical problems as they arise.
• Providing supervision and guidance to development teams.
• Informing various stakeholders about any problems with the current technical
solutions being implemented.
• Providing updates to stakeholders on product development processes, costs, and
budgets.
• Troubleshooting and resolving issues with coding or design.
• Ensuring that you and the team adhere to development schedules and deadlines.
• Presenting regular progress reports and setting goals.
• Testing the final product to ensure it is completely functional and meets
requirements.
• Updating software solutions as required
Requirements:
• Minimum of 10 – 12 years of experience in Software Development and managed at-
least 6 team members.
• Bachelor’s degree in information technology, software engineering, computer
science, or related field.
• Proven experience in engineering and software architecture design.
• Ability to work under indirect supervision.
• Previous project management experience is advantageous.
• In-depth understanding of coding languages (React, Nodejs, Golang, DevOps, AWS,
Kubernetes, UI/UX).
• Should be proficient in Microservice Architecture and Devops.
• Strong knowledge on various operating systems and databases.
• Efficient communication skills.
• Strong organizational and leadership skills.
Quattr is an innovative and fast-growing AI based platform trusted by the worlds top brands for faster growth from organic and paid presence on search engines. Our technology has demonstrated strong results irrespective of the size and span of the websites. From global top 50 brands to startups, Quattr is helping each one move closer to their desired digital goals and so much more. We believe that people are our biggest asset, and we are committed in building top notch teams by servant leadership. Quattr is also committed to each of our engineers career growth by providing them equal opportunities in learning, mentorship and trainings.
As a Staff Full Stack Engineer, you will be responsible for the design and implementation of browser-based applications and APIs. You will be working as a member of a software team with Data Engineers to generate working software within a sprint cycle. You must have a passion for taking projects from concept and design state through production stage and make modifications as necessary. You will be working with internal teams and external resources to obtain and communicate data relative to engineering requirements. You must have a passion for data visualization and building top notch user experience.
In this role, you will play a key part in building, scaling & maintaining the front end of our AI & Analytics platform to help out clients in achieving better digital presence. You will be working in fast pace environment where solving business problem is the highest priority. Your efforts to show meaningful data on our web application will impact nearly every employee & client and will be highly visible across the organization. If working on cutting edge technology, solving business problems and making a difference excites you, this is the job for you!!
Basic Qualifications
- 7+ years of experience as a Full Stack Engineer or in a similar role
- 5+ years of industry experience in software development, UX design, Web or API development
- 5+ years of experience in JavaScript, React JS, Node JS, Next JS & RESTful APIs
- 5+ years of experience working with SQL and No SQL databases
- Bachelor's degree in computer science, engineering or a related technical discipline
- Good knowledge and understanding of DOM, HTML, CSS and JavaScript OOP, MVC, Responsive and Working knowledge of Object-Oriented JavaScript and Functional JavaScript
- Extensive real-world experience with cross-browser, cross-platform, and design constraints on the web and developing responsive web applications.
- Proven track record of solving complex business problem with high quality & automated testing in agile environment.
- Excellent communication & analytics skills
- Proven experience of working with cross functional teams
- Experience of leading team through complex design and architecture
Preferred Qualifications
- Expert in working with React JS & Next JS
- Expert in developing RESTful API with Node JS
- Good working knowledge in SQL
- Good working knowledge of AWS or other Cloud Technologies
- Good working knowledge of CI / CD
- Familiarity with event-driven programming in NodeJS
- Good understanding of asynchronous request handling, partial page updates
- Have good exposure on frameworks like Bootstrap
- Expert in writing reusable, testable, and efficient code
- Experience with integration of user-facing elements with server-side logic
- Experience in integrating with OKTA & other single sign on tools
- You will be responsible for the delivery of the application/ feature/ module your team will be working on.
- Write/Review Code every day in addition to pairing with team members on functional and non-functional requirements and spread design philosophy, goals, and improvements to code quality across the team
- Work with development teams and product managers to ideate software solutions
- Design client-side and server-side architecture
- Build the front-end of applications through appealing visual design
- Develop and manage well-functioning databases and applications
- Write effective APIs
- Ensure all code is thoroughly covered by automated tests and that all features meet quality checks before deployment.
- Contributing to the constant improvement of practices and processes in the team.
- Building and managing automated build/test/deployment environments
- Coordinate with cross-functional teams (Sales, Marketing, Product, Mobile, DevOps, UX, Data Science, Data Engineering, QA, etc.) to define and execute the feature roadmap.
- Research new technologies and tools and share your learning with the rest of the team.
- Provides mentoring and guidance to other team members, including new hires.
What makes you a great fit for our team:
- 5-8 years of overall experience with at least 2+ years of full-stack experience.
- Proven experience as a Full Stack Developer or similar role
- Experience developing desktop and mobile applications
- Familiarity with common stacks
- Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
- Experience in NodeJS for at least two years and exposure to Python, Go, etc will be a huge plus and JavaScript frameworks (e.g. Angular, ReactJs(preferred), VueJs)
- Familiarity with databases (e.g. MySQL, MongoDB) and UI/UX design
- Experience and knowledge of open source tools & frameworks, broader cutting edge technologies around server-side development.
- Data modeling experience in both Relational and NoSQL databases.
- Experience in building microservices-based architectures
- Knowledge of or experience with at least one or more of PaaS environments - AWS, Google App Engine, Windows Azure Cloud Services or similar
- Ability to deliver in a global team environment with members working remotely in various time zones and locations
- You are a problem solver with exceptional analytical skills and high attention to detail
- Good knowledge of data structures(list, graphs, maps) and their advantages or disadvantages.
- You thrive in a fast-paced environment, successfully handle ambiguity, and have experience working with Agile methodologies, TDD and Test Engineering and Automation
- You have excellent written and oral communication skills, with an ability to handle both executive-level discussions as well as technical deep dives
- Excellent understanding of interactive application development paradigm, memory management, performance/resource optimizations, database interactions, concurrency and multithreading, fault tolerance, monitoring, security, operability, and scalability of systems.
- Able to occasionally travel to our USA headquarters in Redwood Shores, CA
Education:
- Bachelors - (Preferably from Tier-1 College)
Keywords:
- Node, NodeJS, AWS, Full Stack, Serverless, Amazon Web Services, Lambda, REST APIs, Webservices, Microservices, ReactJs, VueJs, AngularJs












