
Key Responsibilities:
- Develop and maintain both front-end and back-end components of web applications.
- Collaborate with product managers, designers, and other developers to build user-friendly features.
- Write clean, maintainable, and efficient code that adheres to coding standards and best practices.
- Build reusable code and libraries for future use.
- Optimize applications for maximum speed and scalability.
- Implement responsive design to ensure consistent user experience across all devices.
- Work with databases (SQL/NoSQL) and integrate with third-party services and APIs.
- Troubleshoot, debug, and optimize application performance.
- Participate in code reviews, ensuring code quality and consistency across the team.
- Stay updated on the latest industry trends and best practices in full-stack development.
- Contribute to an agile development process, attending sprints, standups, and retrospectives.
Required Skills and Qualifications:
- Proven experience as a Full Stack Developer or similar role.
- Proficiency in front-end technologies such as HTML, CSS, JavaScript, and modern frameworks (React.js, Next.js, Angular, or Vue.js).
- Strong experience in back-end technologies such as Node.js, Python, Ruby, Java, or PHP.
- Familiarity with database technologies (e.g., MySQL, PostgreSQL, MongoDB).
- Experience with version control systems, particularly Git.
- Knowledge of RESTful API design and integration.
- Familiarity with cloud platforms like AWS, Azure, or Google Cloud is a plus.
- Experience in microservices based architecture is a plus.
- Strong problem-solving skills and attention to detail.
- Ability to work independently as well as part of a team.
- Excellent communication skills, both verbal and written.

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About Us
We turn customer challenges into growth opportunities.
Material is a global strategy partner to the world’s most recognizable brands and innovative companies. Our people around the globe thrive by helping organizations design and deliver rewarding customer experiences.
We use deep human insights, design innovation and data to create experiences powered by modern technology. Our approaches speed engagement and growth for the companies we work with and transform relationships between businesses and the people they serve.
Srijan, a Material company, is a renowned global digital engineering firm with a reputation for solving complex technology problems using their deep technology expertise and leveraging strategic partnerships with top-tier technology partners.
Role- Senior Full Stack Developer - Python and React
Experience – 5+ years
Senior/Lead Software Developer
- Design, develop, and maintain robust, scalable components using Python, React, and TypeScript.
- Take ownership of full-stack development tasks, from backend services to modern front-end interfaces, ensuring high performance, security, and code quality.
- Collaborate with Product Owners, Business Analysts, and cross-functional Agile teams to translate complex business requirements into technical solutions.
- Mentor junior developers, conduct code reviews, and enforce best practices in coding, testing, CI/CD, and architectural design.
- Troubleshoot performance issues, identify areas for improvement, and contribute to system optimization and refactoring efforts.
- Stay current with industry trends and bring innovative ideas to enhance the product's scalability, maintainability, and user experience.
Frontend Technology Stack (Developers)
- Framework: React 18+ with TypeScript, Next.js
- State Management: Redux Toolkit with RTK Query for efficient data fetching
- UI Components: Material-UI v5 with custom enterprise design system
- Visualization: D3.js, Chart.js, and Plotly for advanced analytics dashboards
- Accessibility: WCAG 2.1 AA compliance with automated testing
Backend Technology Stack (Developers)
- Microservices: Python, Node.js ( latest) with Express.js and TypeScript
- API Gateway: API Gateway with rate limiting and authentication
- Message Queuing: Apache Kafka for real-time data streaming
- Caching: Redis Cluster for high-performance caching layer
- Search Engine: Elasticsearch for full-text search and analytics
- Authentication: OAuth 2.0 / OpenID Connect with enterprise SSO integration
We are seeking a skilled Senior Software Development Engineer (SDE-3) proficient in MERN stack technologies to join our dynamic team.
Responsibilities:
- Design, develop, and maintain scalable web applications and services using MERN stack technologies (MongoDB, Express.js, React.js, Node.js) and Nest.js.
- Implement frontend components and user interfaces using React.js and Next.js.
- Develop and integrate server-side logic using Node.js, Express.js, and Nest.js.
- Utilize MongoDB and SQL databases to manage and optimize data storage solutions.
- Implement real-time communication and event-driven architectures using technologies like Socket.io.
- Deploy applications on AWS cloud infrastructure, leveraging services such as EC2, S3, Lambda, DynamoDB, and others as required.
- Ensure code quality, performance, and adherence to best practices through code reviews and automated tests.
- Collaborate effectively with cross-functional teams including product managers, designers, and other developers.
- Stay updated with emerging technologies and industry trends to continuously improve development practices and tools.
Requirements:
- Bachelor’s degree in Computer Science, Engineering, or a related field (preferred).
- 5+ years of experience in software development with expertise in MERN stack technologies.
- Proficiency in Node.js, Next.js, React.js, Express.js, Nest.js, JavaScript, and TypeScript.
- Strong understanding of MongoDB and SQL databases, including database design and optimization.
- Experience building and deploying applications on AWS cloud infrastructure (EC2, S3, Lambda, DynamoDB).
- Familiarity with real-time web applications and event-driven architectures using technologies like Socket.io.
- Solid understanding of software development principles, design patterns, and best practices.
- Excellent problem-solving skills and ability to troubleshoot complex issues.
- Effective communication and collaboration skills, with the ability to work both independently and as part of a team in a fast-paced environment.
- 2 years of strong development background building complex applications.
- Proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Experience building applications using NodeJS and frameworks such as Express.
- Thorough understanding of React.js and NodeJS including its core principles.
- Ability to understand business requirements and translate them into technical requirements.
- Familiarity with code versioning tools (such as Git, SVN, and Mercurial).
- Understanding the nature of asynchronous programming and its quirks and workarounds
- Strong experience with MongoDB, Postgres
- Developing new user-facing features using React.js
- Thorough understanding of React.js & popular Workflows (such as Flux or Redux)
- Building reusable components and front-end libraries for future use
About the Company-:
SISL is a young IT Services organization with focus on Managed Services & Systems Integration. Professionally managed, we offer end to end solutions which are designed to resolve business challenges and adapt to the dynamic needs of Industry. SISL has grown rapidly in last 5+ years with its offices in Delhi, Gurgaon, Chandigarh, Mumbai and Bangalore. With an employee strength of 3000(approx), both on-roll and of-roll.
Since inception, we have won & retained over 100+ customers across Industry verticals like: IT & ITES, BFSI, Pharma, Telecommunications, Media, Retail, Hospitality, Manufacturing, FMCG, Government and PSU.
At SISL we believe that our experience and value proposition gives tremendous benefits to clients. These are:
- Integrated Multi-OEM management:
- SISL is long associated as a service partner with almost all OEM's who provide Network equipment- s, Operating Systems & Applications, High End /Servers, Desktops etc. This makes us a single source for all and any type of services required by customers.
About the Client-:
Vlink India Private Limited is a Private incorporated on 19 January 2010. Vlink is well known for delivering the highest quality and cost-efficient IT services and workforce management solutions to our clients. Our consultant base has extensive expertise in virtually every specialization within the IT value chain. Our team can quickly access your company's specific requirements and work with you to deliver a tailored and cost-effective solution. Our clients includes, : IT & ITES, BFSI, Pharma, Telecommunications, Media, Retail, Hospitality, Manufacturing, FMCG, Government and PSU.
Responsibility-:
- You will a part of the consumer tech team responsible for the development and maintenance of consumer products such as responsive websites, backend APIs, property search engines, user experience to name a few. Your primary focus will be driving user conversion by developing tech solutions that help our consumer find their dream home.
- We take pride in solving complex problems for our users and aimed to be their trusted advisor, so having strong consumer empathy is a must-have. You will be working alongside other engineers and developers working on different layers of the complicated system, hence a commitment to collaborative problem solving, sophisticated design, and the creation of quality products are essential.
Requirements-:
- Understanding business requirement
- Design a React JS and Node JS Application
- Should have worked on React JS in frontend and Node JS in backend
- Experience of building a application from scratch
- Ability to write well-documented and clean code
- Experience in automated test suites
- Able to diagnose and fix bugs and performance bottlenecks
- Understanding of REST APIs and JSON
- Client interaction
Who should not apply for this job
- If you are looking for a 100% hike in your salary but can't commit to what value you will bring on the table
- If you never read books
- If you jump companies every 11-12 months
- If you are not comfortable working on Saturdays
- If you have less than 2 years of experience
- If you have more than 4 years of experience
At this position you will:
- Get solid experience with high-load distributed architecture using REST and High load services.
- Work with automated CI/CD processes, AWS cloud, and VoIP.
- Implement and support microservices based on Elasticsearch, Mongo, and frontend.
Key-Skills Required:
Node.js | Express | REST Api | Javascript | Redux-Saga | MongoDB | Web security TLS/SSL | Web Sockets | Promises & Call-backs | Database & Data structures | Redis | Elasticseach | React.Js
Key Deliverables:
- New feature design and implementation, Bug fixing, testing and performance tuning.
- Work on the API and Engines.
- Code deployment on cloud & maintenance of the same.
- Take complete ownership of a product/feature from setup to deployment.
- Time-bound feature delivery & updating.
- Cost-saving using efficient & effective technologies
Role and Responsibilities:
- Work on back-end (+ frontend integration) development of core scripts using NodeJS / MongoDB /Express /Redux, and Redis.
- Manage Key-value based databases like Redis.
- Active participation in the development of a sophisticated platform as one of the leading developers.
- Document code consistently throughout the development process by listing a description of the program, special instructions, and any changes made in database tables on procedural, modular, and database level.
- Respond promptly and professionally to bug reports.
- Knowledge of bluebird.js (Promises), Async, etc will be of advantage.
- Coding and programming using Object-Oriented Programming, Data Structure and Algorithms, architecture/ design and build RESTful API.
- Passionate about building products and features and build the product from scratch with thrust on Web security, TLS/SSL, web sockets, etc
- Knows one or more of Wireframes/ Prototyping/ Functional Documentation of business.
4-10 LPA based on experience and on performance in the interview round (70% Fixed - 30% Variable Incentive based on performance/delivery schedule)
(We do ZERO deductions since the salary will be paid from US/Singapore)
Full Stack Developer with excellent and strong experience in the design and development of secure and high performing applications/products using MEAN Stack on Cloud-based architecture using DevOps processes.
Roles and Responsibilities
- Developing front end website architecture
- Designing user interactions on web pages
- Developing back end website applications
- Creating servers and databases for functionality
- Ensuring cross-platform optimization for mobile phones.
- Ensuring responsiveness of applications
- Working alongside graphic designers for web design features
- Seeing through a project from conception to finished product.
- Designing and developing APIs
- Meeting both technical and consumer needs
- Staying abreast of developments in web applications and programming languages.
Technical Experience/skills & Qualifications required:
- Degree in Computer Science
- 6 to 8 years of experience in Information Technology with at least 4+ years in MEAN stack development
- Highly experienced with back-end programming languages Ex: Python, Ruby, Java, .NET, JavaScript etc
- Proficient experience using advanced JavaScript libraries and frameworks such as AngularJS, ReactJS, Node JS, KnockoutJS, BackboneJS, etc.
- Development experience for both mobile and desktop.
- Understanding of server-side languages including such-as Jade, EJS, Jinja, etc.
- Experience with cloud message APIs and usage of push notifications
- Experience in development using the DevOps tools like Kubernetes, GitHub, Jenkins
- Experience in developing applications on the cloud platform especially AWS
- Familiarity with database technology such as MySQL, Oracle, and MongoDB
- Understanding and implementation of security and data protection.
- Experience working with JIRA and Gitlab
- Maintain code integrity and organization
- Experience working with graphic designers and converting designs to visual elements.
Other Generic and Behavioural Skills
- Experience in Healthcare domain and HIPAA compliance awareness would be a big plus
- Strong team player and ability to adapt to a dynamic and agile environment
- Design thinking and ability to deliver innovative solutions
- Strong organizational and project management skills
- Excellent verbal communication skills.
- Good problem-solving skills.
- Attention to details
Why should you apply:
- Great opportunity to be a part of booming Healthcare sector and ride the wave
- Big opportunity to work with the leadership team which promotes and encourages innovation-driven thought process and execution
- Opportunity to work with young minds using the latest technologies
- Ability to work in an environment that will enable you to realize ownership with the freedom to learn and deliver a great product
- Fantastic opportunity to grow with the company and achieve great heights of success.
Ability to interact with team members and stakeholders from different cultures within and outside India
Responsibilities:
Building Scalable Application from ground-up.
Design and Implementation of Data Storage / Schema
Building reusable code and libraries for future use.
Skills And Qualifications:
Experience with MongoDB, AWS, NodeJS, Express, React.js
User authentication and authorization between multiple systems, servers, and
environments 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
Data migration, transformation, and scripting Creating database schemas that represent and support business processes Proficient knowledge of a back-end programming language (NodeJS,) Proficient understanding of code versioning tools, such as Git, Understanding of “session management”.








