MERN Stack Developer

Position Name : Senior Software Architect

📍 Location : UB City, Bengaluru (Hybrid – 3 days in office)

🕒 Experience : 11 to 18 Years

📅 Notice Period : Immediate to 1 month

👥 Open Positions : 2

Role Overview :

• We are looking for a Senior Software Architect to design, build, and scale high-performance SaaS B2B applications.
• The ideal candidate will have deep expertise in MERN stack (MongoDB, Express.js, React.js, Node.js), AWS, and microservices-based architectures.
• This role requires at least 3 Years of experience in an Architect position, with a strong background in building scalable products and handling daily releases.

Key Responsibilities :

• Architect and develop scalable SaaS B2B products using React, Node.js, GraphQL, Elasticsearch, and Micro Frontend Architecture (MFE).
• Design and implement microservices-based distributed systems and RESTful APIs.
• Optimize frontend interfaces using React, Redux, Next.js, HTML, and CSS.
• Develop robust backend APIs using Node.js, Express.js, and MongoDB/PostgreSQL.
• Utilize AWS services (EC2, S3, SQS, SNS, DocumentDB, OpenSearch) and containerization (Docker, Kubernetes).
• Implement scalable database schemas and ensure optimal performance.
• Work with GraphQL for efficient data querying and manipulation.
• Ensure security, reliability, and high availability of the platform.
• Lead and mentor development teams, conduct code reviews, and enforce best practices.
• Collaborate with cross-functional teams to deliver business-driven software solutions.

Required Skills & Experience :

✅ 3+ Years as a Software Architect and currently in an Architect role.

✅ 5+ Years of experience in full-stack development with the MERN Stack.

✅ Strong knowledge of scalable architectures, microservices, and cloud-native SaaS products.

✅ Experience in AWS deployment, cloud infrastructure, and DevOps.

✅ Hands-on experience with Micro Frontends (MFE).

✅ Experience in handling everyday releases and working in Agile environments.

✅ Strong problem-solving skills, logical thinking, and architectural decision-making.

✅ Bachelor’s or Master’s degree in Computer Science or related field.

Preferred :

• Experience in B2B SaaS product development.
• Background in product-based companies.
• No prior experience in Walmart or similar large enterprises.
• Candidates should be based in Bengaluru (Outstation candidates will not be processed).

Key Responsibilities:

• Design, develop, and maintain robust and scalable web applications using the MERN stack​
• Build reusable components and front-end libraries for future use
• Integrate RESTful APIs and third-party services
• Work with UI/UX designers to implement modern, user-friendly interfaces
• Optimize components for maximum performance across a vast array of web-capable devices and browsers
• Write clean, maintainable, and well-documented code
• Collaborate with product managers, designers, and other developers to deliver high-quality products
• Troubleshoot and debug application issues and ensure the security and performance of the application

​Requirements:

• ​Strong proficiency in MongoDB, Express.js, React.js, and Node.js
• Good understanding of JavaScript 
• Experience with RESTful APIs and JSON
• Knowledge of Redux, React Hooks, and modern front-end workflows
• Familiarity with unit testing and debugging tools
• Excellent problem-solving skills and a keen attention to detail
• Familiarity with API testing tools like Postman or Swagger
• Understanding of basic DevOps processes and deployment pipelines

You will be responsible for architecting and developing features on the application end to end. You will work closely with the Product Managers and the Technical architect to develop high-quality, resilient, and highly performant applications.

• Design and develop SaaS-based applications based on microservices architecture.
• Work on the core backend and ensure it meets the performance benchmarks.
• Work on the front end with ReactJS.
• Designing and developing APIs for the front end to consume.
• Constantly improve the architecture of the application by clearing the technical backlog.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

An enthusiastic individual with the following skills. Please do not hesitate to apply if you do not match all of them. We are open to promising candidates who are passionate about their work and are team players.

• Education - BE/MCA or equivalent.
• Overall 4+ years of experience.
• Agnostic/Polyglot with multiple tech stacks.
• Worked on open source technologies – NodeJS, ReactJS, MySQL, NoSQL, MongoDB, DynamoDB.
• Good experience with Front-end technologies like JavaScript frameworks, ReactJS, and AngularJS.
• Backend exposure – good knowledge of building API.
• Worked on serverless technologies.
• Efficient in building microservices in combining server & front-end.
• Knowledge of cloud architecture.
• Should have sound working experience with relational and columnar DB.
• Should be innovative and communicative in approach.
• Will be responsible for functional/technical track of a project.

‍

You will closely work with the engineering team and support the Product Team of Plum.

A wholesome opportunity in a fast-paced environment that will enable you to juggle between concepts, yet maintain the quality of content, interact, and share your ideas and have loads of learning while at work. Work with a team of highly talented young professionals and enjoy the benefits of being at this company

It  is a rapidly growing fintech SaaS firm that propels business growth while focusing on human motivation. Backed by Giift and Apis Partners Growth Fund II, Company offers a suite of three products - Plum, Empuls, and Compass. works with more than 2000 clients across 10+ countries and over 2.5 million users. Headquartered in Bengaluru, It  is a 300+ strong team with four global offices in San Francisco, Dublin, Singapore, New Delhi.

We look forward to connecting with you. As you may take time to review this opportunity, we will wait for a reasonable time of around 3-5 days before we screen the collected applications and start lining up job discussions with the hiring manager. We however assure you that we will attempt to maintain a reasonable time window for successfully closing this requirement. The candidates will be kept informed and updated on the feedback and application status.

Job Description: Full Stack Developer – RattanIndia Technologies Private Limited

Based at: New Delhi

Overview:

Required Full Stack developer with 3 to 6 years of experience with competencies in development of web applications in financial services domain on salesforce development platform and shall be responsible for requirement analysis, design, coding, testing and implementation of web applications.

Key Accountabilities:

• Working closely with business teams on the analysis to understand the requirements.
• Shall be responsible for designing, coding, testing and implementation of web application.
• Will be responsible for system design and application development of web applications.
• Work closely with the product managers and other team members to build features, functionality, and application.
• Design and implementation of low-latency, high-availability, and high performance applications.
• Implementation of security and data protection.
• Demonstrate creativity and sound analytical skills in identifying effective approaches to develop solutions independently.
• Deliver features with high quality, on-time as per project plans and delivery commitments.
• Delivering status updates to the management and stakeholders regularly.
• Demonstrate creativity and sound analytical skills in identifying effective approaches to develop solutions independently.

Academic Qualification:

• Tech Computer Science/MCA from Top Tier Institutes.

Skillset Requirements:

• Expertise with Node.JS and associated technologies such as React and Express.
• Fluent in HTML5, CSS3, and JavaScript
• Experience with SQL (Postgres) data models
• Extensive experience developing and working with REST APIs.
• Experience working in a DevOps environment and using tools like Travis, Jenkins.
• Solid experience with containerization using Docker and Kubernetes.
• Proficiency with source control and team collaboration tools (GitHub, Asana, Jira, Slack)
• Experience with data interchange formats such as XML or JSON.
• Solid Experience with AWS, Heroku and Salesforce.

About RattanIndia ltd.

For Details visit: http://www.rattanindia.com">www.rattanindia.com

https://rattanindia.in/">https://rattanindia.in/

Job description

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Responsibilities:

• Developing all server-side logic, definition, and maintenance of the central database(s), and ensuring high performance and responsiveness to requests from the front-end & Back-end.
• Addressing architectural problems like scalability, availability, etc., and providing solutions for them.
• Developing Database models, APIs, and processes.
• Developing ideas for new programs, products, or features by monitoring industry developments and trends.
• Understand business requirements and translate them into technical requirements.
• Implement user interface components for JavaScript-based web and mobile applications using the React.js open-source library ecosystem.
• Code debugging and performance testing.
• Dealing with clients associated with different projects.
• Developing new user-facing features using React.js.
• Writing reusable, testable, and efficient code.
• Translating designs and wireframes into high-quality code.
• Optimizing components for maximum performance and responsiveness across all devices and browsers.
• Dealing with clients associated with different projects.
• Developing new user-facing features using React.js & Node.js.
• Writing reusable, testable, and efficient code.
• Translating designs and wireframes into high-quality code.
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
• Implement user interface components for JavaScript-based web and mobile applications using the React.js & Node.js open source library ecosystem.
• Code debugging and performance testing.

Required Skills:

• Good Experience with Node.js backend development platforms & MongoDB
• Good Experience with JavaScript frameworks and tools such as React.js, Redux, Amber, Web pack, Enzyme, and Flux.
• Understanding of accessibility and security compliance.
• Handling of Asynchronous tasks in frontend and backend both.
• Good to have experience in creating and using Image APIs.
• Prior experience with deployment on AWS and Heroku servers.
• Have good knowledge of Version Control Tools.
• Experience with RESTful APIs
• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Bootstrap, HTML & CSS is a must to know.
• Having an understanding of React.js and its core principles is an added advantage.
• Experience with popular React.js workflows (such as Flux or Redux) is an added advantage
• Experience with handling data structures.
• Experience with React.js frontend development platforms.

What we offer:

• A dynamic and collaborative team.
• Tech start-up environment to develop and shape an ambitious business
• Competitive success-oriented remuneration package

What you need to have:

Qualifications for Ruby

Time Zone EST Overlap of 3-4 hours/day

• Proficient in Ruby, and one of the Javascript UI frameworks like React, Ember, Angular, etc.
• Experience working with MySQL, BigQuery, and Snowflake.
• Experience in UI frameworks like React, Ember, Angular, etc.
• Experience building and deploying applications in an Amazon Web Services (AWS) ecosystem. 
• 5+ years of software engineering experience developing scalable production software incorporating testing, evaluation, and monitoring.
• Full-stack development experience
• Strong knowledge of CS fundamentals and code organization best practices
• Bachelor's degree in Computer Science or equivalent practical experience.
• Built systems that make use of complex job queues and offline processing
• Experience with Docker/ECS/AWS
• Experience with testing and writing test cases
• Experience with Jest, Enzyme, and RSpec