Full Stack Developer - Mid Level at Legacies Techno · Chennai · 2 - 4 years · ₹7.5L - ₹10L / yr · Bootstrapped · Posted 22 Mar 2022
- 2-5 years relevant work experience in building multiple users software solutions
- 1-2 years hands on experience building cloud based web and mobile applications
- JavaScript, React, NodeJS, structured and unstructured store
- Strong Front End or Back end experience
- Hands on experience building Restful APIs
- Hands on experience building microservices based applications
- Understanding of DevOps / DevSecOps processes and related tools including, but not limited to, IaC (Terraform, CloudFormation), config management (Chef, Puppet), Git / Bitbucket, or Jenkins, etc.
- Hands on experience with multiple frontend or backend technologies (either) / frameworks / platforms supporting web and mobile applications – Such as: NodeJS, Python, Django, Flask, PHP, Laravel, jQuery, Bootstrap, Angular, Vue.js, ReactJS, Bootstrap, React-Native, Flutter, iOS SDK, or similar.
- Hands-on end to end experience of multiple application development frameworks, monitoring tools, and deployment methodologies
- Experience building and deploying with container technologies such as Docker and Kubernetes and leveraging them throughout the CICD process
- Understanding of practices regarding system security measures

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About the Role :
We are seeking a highly skilled Lead Software Developer with a strong background in SaaS product development and expertise in designing scalable, secure, and resilient systems. You will lead the technical architecture of our cloud-native platforms, manage cross-functional
engineering efforts, and implement best practices across backend, frontend, and infrastructure layers.
This is a leadership role based on-site in Jaipur and ideal for someone who enjoys solving complex system challenges and building high-impact software.
Key Responsibilities:
● Lead the design and implementation of scalable SaaS application architecture
● Architect and develop solutions using Laravel, NestJS, Node.js, and AWS
● Build and manage microservices and serverless infrastructure for high availability and maintainability
● Implement and manage asynchronous and parallel request handling for optimized system performance
● Design and scale load handling and queue management systems using BullMQ and Redis
● Develop and integrate real-time data workflows using webhooks and external APIs
● Configure and manage Node.js clusters for performance and fault tolerance
● Collaborate with frontend developers working on React and Vue.js to deliver seamless UI/backend integration
● Ensure code quality, observability, and maintainability across services
● Monitor, debug, and resolve issues in production using logs and performance tracking tools
● Drive CI/CD implementation, infrastructure automation, and DevOps practices
Required Skills & Qualifications:
● 5 - 7 years of experience in full-stack or backend software development
● Proven experience as a Lead Developer on SaaS products
● Proficient in Laravel, NestJS, and Node.js
● Deep understanding of BullMQ, Redis, and message/queue-based architectures
● Experience with asynchronous processing, parallel request handling, and load distribution
● Proficient in microservices and serverless architecture patterns
● Strong command of AWS (EC2, Lambda, RDS, S3, API Gateway, IAM, CloudWatch)
● Hands-on experience with webhooks, job queues, background tasks, and rate-limiting strategies
● Familiarity with Node.js cluster mode and scaling strategies
● Solid experience in debugging, tracing, and performance monitoring
● Frontend integration experience with React or Vue.js (please specify your exposure)
● Strong leadership, collaboration, and mentoring abilities
Preferred Skills (Nice to Have):
● Experience with Docker, Kubernetes, and CI/CD pipelines
● Exposure to event-driven architecture and multi-tenant SaaS platforms
● Familiarity with observability tools such as Grafana, Datadog, or New Relic
Role Overview
We are seeking a highly skilled and experienced Senior AI Engineer with deep expertise in computer vision and architectural design. The ideal candidate will lead the development of robust, scalable AI systems, drive architectural decisions, and contribute significantly to the deployment of real-time video analytics, multi-model systems, and intelligent automation
solutions.
Key Responsibilities
Design and lead the architecture of complex AI systems in the domain of computer vision and real-time inference.
Build and deploy models for object detection, image segmentation, classification, and tracking.
Mentor and guide junior engineers on deep learning best practices and scalable software engineering.
Drive end-to-end ML pipelines: from data ingestion and augmentation to training, deployment, and monitoring.
Work with YOLO-based and transformer-based models for industrial use-cases.
Lead integration of AI systems into production with hardware, backend, and DevOps teams.
Develop automated benchmarking, annotation, and evaluation tools.
Ensure maintainability, scalability, and reproducibility of models through version control, CI/CD, and containerization.
Required Skills
Advanced proficiency in Python and deep learning frameworks (PyTorch, TensorFlow).
Strong experience with YOLO, segmentation networks (UNet, Mask R-CNN), and
tracking (Deep SORT).
Sound understanding of real-time video analytics and inference optimization.
Hands-on experience designing model pipelines using Docker, Git, MLflow, or similar tools.
Familiarity with OpenCV, NumPy, and image processing techniques.
Proficiency in deploying models on Linux systems with GPU or edge devices (Jetson, Coral)
Good to Have
Experience with multi-model orchestration, streaming inference (DeepStream), or virtual camera inputs.
Exposure to production-level MLOps practices.
Knowledge of cloud-based deployment on AWS, GCP, or DigitalOcean.
Familiarity with synthetic data generation, augmentation libraries, and 3D modeling tools.
Publications, patents, or open-source contributions in the AI/ML space.
Qualifications
B.E./B.Tech/M.Tech in Computer Science, Electrical Engineering, or related field.
4+ years of proven experience in AI/ML with a focus on computer vision and system- level design.
Strong portfolio or demonstrable projects in production environments
Job Description
We are looking for a Full Stack Developer. 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.
Responsibilities
Work with development teams and product managers in agile methodology
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
Qualifications Skills
Proven experience as a Full Stack Developer or similar role.
Experience in developing web applications using Node.js, React.js, MySQL, AWS services.
Knowledge of multiple front-end languages and libraries (e. g. HTML/ CSS, JavaScript, XML, jQuery).
Knowledge of multiple JavaScript frameworks (e. g. React, Angular, Node.js ).
Familiarity with databases (e. g. MySQL, Mongo DB), web servers (e. g. Apache), and UI/UX design.
Excellent communication and teamwork skills.
Responsibilities:
- Writing and reviewing great quality code.
- Understanding functional requirements thoroughly and analysing the client's needs in the context of the project.
- Envisioning the overall solution for defined functional and non-functional requirements, and being able to define technologies, patterns and frameworks to realize it.
- Determining and implementing design methodologies and tool sets.
- Enabling application development by coordinating requirements, schedules, and activities.
- Being able to lead/support UAT and production roll outs.
- Creating, understanding and validating WBS and estimated effort for given module/task, and being able to justify it.
- Addressing issues promptly, responding positively to setbacks and challenges with a mindset of continuous improvement.
- Giving constructive feedback to the team members and setting clear expectations.
- Helping the team in troubleshooting and resolving of complex bugs.
- Coming up with solutions to any issue that is raised during code/design review and being able to justify the decision taken.
- Carrying out POCs to make sure that suggested design/technologies meet the requirements.
- Passionate about building great solutions.
- Mentoring the team members to meet the client's needs and holding them accountable for high standards of delivery.
- Being able to understand and relate technology integration scenarios and be able to apply these learnings in complex troubleshooting scenarios.
- Relevant expertise in C#, . Net framework/. Net core, Web Services/WCF/Web API, ASP. Net/MVC. JavaScript, OO JavaScript (ES6 onwards), HTML5/CSS, Angular/React/VueJS, OOA and OOD Concepts, Serverside JS: NodeJS/Express.
- Experience in Relational Database: SQL Server/MySQL/Oracle, Cloud Platform: Amazon/Azure/Google Cloud.
- Experience in Testing Frameworks (Web): MSTest/NUnit/Jasmine/Karma/Mocha, Repositories: Git/SVN/TFS, CI/CD Tools: Jenkins/Grunt/Gitlab/Azure DevOps, Container Ecosystem: Docker/Kubernetes/Anthos.
- NoSQL DB: MongoDB/Cassandra/CouchDB/HBase/MarkLogic, Cloud Database: CosmosDB/ IBM DB2/SAP HANA/Amazon Aurora/DynamoDB.
- Knowledge of high-quality professional software engineering practices for agile software development cycle, including coding standards, code reviews, source control management, build processes, testing, and deployment.
- Fundamental knowledge of design patterns.
- Experience in communicating effectively with users, other technical teams, and management to collect requirements, describe software product features, and technical designs.
- Languages: C#, JavaScript, OO JavaScript (ES6 onwards).
- App Framework: . Net Framework/. Net Core.
- Web Framework: ASP. Net/MVC.
- Markups: HTML5/CSS.
- CSS Framework: Bootstrap/Foundation/Bulma.
- Frontend Framework: Angular 6 ( ) /React/VueJS.
- API Framework: WebServices/WCF/WebAPI.
- Relational Database: SQL Server/MySQL/Oracle.
- Cloud Platform: Amazon/Azure/Google Cloud.
- Testing Frameworks (Web): MSTest/NUnit/Jasmine/Karma/Mocha.
- Repositories: Git/SVN/TFS.
We are looking for passionate NodeJS Developer responsible for the development of cloud-native Microservices driven systems. Skills in Angular, NodeJs and PostgreSQL. Knowledge of Azure will be an added advantage. Should have knowledge of Source Control.
The end-to-end, design to solution approach is what makes you a perfect fit for the role. Constant upgradation of systems based on user feedback, internal research, performance improvements and bug fixes will be your primary focus. Occasionally you will interact with stakeholders to take the system to the next level.
Your main duties will include creating micro services and components and coupling them together into a functional app. You will work in a self-sufficient team with widely experienced in developing & managing BFSI systems.
Responsibilities
- Develop solutions on NodeJS and Angular
- Debug & troubleshoot
- Maintain documentation
- Ensure quality of deliverables
Skill Sets
Must Have
- Strong development knowledge on JS - NodeJS, Angular
- PostgreSQL
- Postman
- JSON
Good to Have
- Knowledge of Agile
- Experience on Azure
- Type ORM
- API testing tools - chai & mocha
Eligibility
Qualification: BE / B. Tech. / BCA / MCA
Experience
Total software development experience of 3- 4 years with minimum 1 year on NodeJS
Skills
- PostgreSQL, Postman, JSON, NodeJS (Node.js) and Angular (2+)
- 8+ years of industry work experience
- Proven experience as a Full Stack Developer or similar role
- 3+ years of web application development with JavaScript as full stack
- Full stack experience designing and building scalable applications from end-to-end
- Excellent JavaScript / Typescript skills
- Strong proficiency in React (hooks knowledge is plus)
- Strong proficiency in Nodejs
- Good HTML5 / CSS3 skills with expertise on responsive web design
- Must have Design and development experience in Micro services using NodeJS and TypeScript
- Experience with NoSQL databases such as MongoDB, mongoose, aggregation framework and Redis
- Experience with Web sockets and related frameworks (e.g. Socket.IO)
- Experience in using and developing GraphQL APIs
- Experience in performance tuning
- Knowledge of code versioning tools such as Git, Mercurial or SVN.
- Open minded to take up any challenge, research and provide solutions Great attention to detail
- Testing libraries – jest, testing-library is plus
- TDD / BDD experience is plus
- Experience with AWS, K8S, CI/CD is plus
- Familiar with SDLC methodologies like SCRUM, AGILE, Continuous Integration
Roles & Responsibilities
- Design – Analyze, design & document the system / solution based on the business needs which is scalable, resilient and maintainable with low overhead for both client and server side
- Problem solving – Solve the challenges and problems faced by team by guiding and team with best practices
- Coordinate - Communicate system requirements to developers; explain system structure to them and provide assistance
-
- Code Reviews – Perform code reviews
-
- Planning – Plan and assign tasks to team members
Responsibilities:
- Development and Integration of user-facing design elements with server-side logic.
- Design and develop backend API services and databases to serve frontend applications.
- Code for multi-platform environments.
- Build reusable code and libraries for future use.
- Ensure responsiveness of applications.
- Optimization of the application for maximum speed and scalability.
Skills and Qualifications:
- Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3.
- Proficient in Angular JS or ReactJS, Node.js and JavaScript.
- Integration of multiple data sources and databases into one system.
- Management of hosting environment, including database administration and scaling an application to support load changes.
- Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform.
- Creating database schemas that represent and support business processes in one or more database technologies such as Mongo, MySQL etc.
- Implementing automated testing platforms and unit tests.
- Proficient knowledge of a back-end programming language. (Depending on the specific case, a developer should have the knowledge of one or more of Python, Ruby, JavaScript etc.)
- Proficient understanding of code versioning tools, such as Git.
Academic Qualifications:
- Engineering degree from a reputed institute
R E A D T H E J D C A R E F U L L Y B E F O R E A P P L Y I N G ! ! ! !
🤘 Who are we?
👌 The takeaway for you?
About the Learning curve in the Job role, the opportunities are plenty as Xongl is working on an inclusive deep tech in the field of distributed computing or storage on the cloud. Cloud will dominate to be the hotbed in India, with the double growth rate than globally in the cloud adoption, till 2030. As a full-stack developer, opportunities and growth in this field are extensive with one of the highest pay scales in IT. According to Nasscom, Cloud spending in India is estimated to grow at 30% p.a. to reach USD 7.1 – 7.2 Bn. in 2022.
ESOP will be provided.
👇 let's go through details.
In this scenario, this role demands to go through a critical six months duration of platform-specific training and learning sensitive server handling protocols on a close collaboration with the team. The candidate can develop the ability to institute a specific user-centric mindset and security concerned practices through this training period.
The candidate for this position will go through mandatory 6 months of training period with a base monthly salary ranged between ₹12K- ₹15K / Month
🤝 What are we expecting from you?
- Handling live server deployments.
- Managing cloud architecture.
- Developing front end architecture.
- Ensuring cross-platform optimization for mobile phones.
- Ensuring responsiveness of applications.
- Seeing through a project from conception to finished product.
- Designing and developing APIs.
Candiadate will have the option to join us at our Chennai office once situations become normal.











