MERN Stack Developer at Zentosys Solutions Pvt Ltd · Pune · 2 - 6 years · ₹6L - ₹15L / yr · Bootstrapped · Posted 24 Mar 2025

About Us
Zentosys Solutions Pvt. Ltd. is a technology-driven IT services company specializing in modern web and mobile application development. We empower businesses worldwide with innovative, scalable, and efficient software solutions. Be a part of our dynamic team and contribute to building impactful digital products.
Responsibilities
- Develop, maintain, and optimize full-stack applications using modern technologies.
- Implement backend logic using Node.js, TypeScript, and frameworks like Express.js or NestJS.
- Build intuitive, responsive, and high-performance frontend applications using React.js, Next.js, or similar frameworks.
- Design and integrate RESTful APIs and ensure seamless communication between front-end and back-end systems.
- Utilize CI/CD pipelines for automated deployment and continuous integration.
- Manage and optimize cloud infrastructure using AWS services.
- Debug, troubleshoot, and ensure application reliability and performance across the stack.
- Design database schemas and manage MongoDB for efficient data handling.
- Collaborate with cross-functional teams, including DevOps, designers, and product managers, to deliver high-quality solutions.
- Stay updated with the latest technologies, frameworks, and best practices in software development.
Requirements
- Experience: 2+ years in full-stack development.
- Strong expertise in Node.js, TypeScript, and backend frameworks like Express.js, NestJS, or Fastify.
- Proficiency in frontend technologies like React.js, Next.js, HTML5, CSS3, and JavaScript (ES6+).
- Hands-on experience with CI/CD pipelines and tools such as Jenkins, GitHub Actions, GitLab CI, or similar.
- Practical knowledge of AWS services, including EC2, S3, RDS, Lambda, and IAM.
- Experience with database schema design and management using MongoDB.
- Strong problem-solving skills with a logical and analytical approach to challenges.
- Familiarity with Git for version control and collaboration in a team environment.
- Excellent communication and teamwork skills to contribute effectively in a collaborative setting.
Preferred Skills
- Exposure to GraphQL for API development.
- Knowledge of Docker and container orchestration.
- Familiarity with Serverless Framework for deploying cloud-native applications.
- Experience with testing frameworks like Jest, Mocha, or Cypress.
- Understanding of state management libraries like Redux, Zustand, or similar.
- Hands-on experience with Terraform or other infrastructure-as-code tools.
What We Value
- Problem Solvers: Professionals who can tackle challenges with creativity and precision.
- Team Players: Individuals who thrive in a collaborative, dynamic environment.
- Growth Mindset: Developers who are eager to learn, adapt, and grow with the organization.
What We Offer
- Competitive salary in the range of ₹6 LPA to ₹15 LPA based on skills and experience.
- Work on diverse and impactful projects for a global clientele.
- A culture that encourages innovation, professional growth, and skill enhancement.
- Flexible working hours and a healthy work-life balance.
- Exposure to cutting-edge technologies and tools.
Job Type: Full-time
Pay: ₹600,000.00 - ₹1,500,000.00 per year
Benefits:
- Provident Fund
Schedule:
- Monday to Friday
Education:
- Bachelor's (Required)
Experience:
- Full-stack development: 2 years (Required)
Work Location: In person
Expected Start Date: 05/02/2025

About Zentosys Solutions Pvt Ltd
About
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About the role(s):
Software development and platform engineering has driven our success and growth of our platform & data businesses. We are now looking for more developers to join our team and help us build the best financial inclusion platform in the world. You'll be an integral part of product development team working collaboratively with cross functional team of business heads, product managers, credit risk experts, data scientists and technologists to iteratively design and build fintech products. You'll be constantly be challenged and you'll have the freedom to discover and advocate new technologies.
Requirements:
We are looking for people who are truly full stack, and are as comfortable working on javascript front end as they are debugging database interactions, or improving their CloudFormation templates. While we are open to any degree and colleges, we are look for people who prides in being a coder and have demonstrable (3+ years) experience in software development. In particular we look for people who can:
- Code backend services, ideally using Node.js or Java, or other server side compiled language.
- Design and develop Rest API with integrations to lots of external systems. Experience of GraphQL is an advantage
- Develop modern and secure web front ends, ideally using React, Express and Redux.
- Interface with No-SQL/ MongoDB or SQL based data bases (PortgresSQL).
- Deploy their code into the cloud and support it there, ideally on AWS and GitHub. Experience with kubernetes and serverless is an advantage.
- Deliver in agile manner while coding cleanly, automating testing and clean coding, simple solutions, automated testing and continuous deployment.
- Takes ownership of a feature from the original idea through to live.
Attractive salary compensation including employee stock options, 10% time free to pursue own project, paid training and education support.
We truly practice flexible time with focus on output and core hours for team collaboration. While we are mostly working remotely at Fundfina and are open to applications across India, we will prefer that you are open to commuting to Mumbai or Bangalore or Delhi offices when required.
By submitting your application, you agree that Fundfina may collect your personal data for recruitment purposes.
A niche, specialist position in an interdisciplinary team focused on end-to-end solutions. Nature of projects range from proof-of-concept innovative applications, parallel implementations per end user requests, scaling up and continuous monitoring for improvements. Majority of the projects will be focused on providing automation solutions via both custom solutions and adapting machine learning generic standards to specific use cases/domains.
Clientele includes major publishers from the US and Europe, pharmaceutical bigwigs and government funded projects.
As a Senior Fullstack Developer, you will be responsible for designing, building, and maintaining scalable and performant web applications using modern technologies. You will work with cutting-edge tools and cloud infrastructure (primarily Google Cloud) and implement robust back-end services with React JS with Typescript, Koa.js, MongoDB, and Redis, while ensuring reliable and efficient monitoring with OpenTelemetry and logging with Bunyan. Your expertise in CI/CD pipelines and modern testing frameworks will be key to maintaining a smooth and efficient software development lifecycle.
Key Responsibilities:
- Fullstack Development: Design, develop, and maintain web applications using JavaScript (Node.js for back-end and React.js with Typescript for front-end).
- Cloud Infrastructure: Leverage Google Cloud services (like Compute Engine, Cloud Storage, Pub/Sub, etc.) to build scalable and resilient cloud solutions.
- API Development: Implement RESTful APIs and microservices with Koa.js, ensuring high performance, security, and scalability.
- Database Management: Manage MongoDB databases for storing and retrieving application data, and use Redis for caching and session management.
- Logging and Monitoring: Utilize Bunyan for structured logging and OpenTelemetry for distributed tracing and monitoring to ensure system health and performance.
- CI/CD: Design, implement, and maintain efficient CI/CD pipelines for continuous integration and deployment, ensuring fast and reliable code delivery.
- Testing & Quality Assurance: Write unit and integration tests using Jest, Mocha, and React Testing Library to ensure code reliability and maintainability.
- Collaboration: Work closely with front-end and back-end engineers to deliver high-quality software solutions, following agile development practices.
- Optimization & Scaling: Identify performance bottlenecks, troubleshoot production issues, and scale the system as needed.
- Code Reviews & Mentorship: Conduct peer code reviews, share best practices, and mentor junior developers to improve team efficiency and code quality.
Must-Have Skills:
- Google Cloud (GCP): Hands-on experience with various Google Cloud services (Compute Engine, Cloud Storage, Pub/Sub, Firestore, etc.) for building scalable applications.
- React.js: Strong experience in building modern, responsive user interfaces with React.js and Typescript
- Koa.js: Strong experience in building web servers and APIs with Koa.js.
- MongoDB & Redis: Proficiency in working with MongoDB (NoSQL databases) and Redis for caching and session management.
- Bunyan: Experience using Bunyan for structured logging and tracking application events.
- OpenTelemetry Ecosystem: Hands-on experience with the OpenTelemetry ecosystem for monitoring and distributed tracing.
- CI/CD: Proficient in setting up CI/CD pipelines using tools like CircleCI, Jenkins, or GitLab CI.
- Testing Frameworks: Solid understanding and experience with Jest, Mocha, and React Testing Library for testing both back-end and front-end applications.
- JavaScript & Node.js: Strong proficiency in JavaScript (ES6+), and experience working with Node.js for back-end services.
Desired Skills & Experience:
- Experience with other cloud platforms (AWS, Azure).
- Familiarity with containerization and orchestration tools like Docker and Kubernetes.
- Experience working with TypeScript.
- Knowledge of other logging and monitoring tools.
- Familiarity with agile methodologies and project management tools (JIRA, Trello, etc.).
Qualifications:
- Bachelor's or Master's degree in Computer Science, Engineering, or a related field.
- 5-10 years of hands-on experience as a Fullstack Developer.
- Strong problem-solving skills and ability to debug complex systems.
- Excellent communication skills and ability to work in a team-oriented, collaborative environment.
Job Description :
● Designation : Full Stack Developer
● Industry : Software Development
● Role category : Software Developer
● Education : Graduate
● Total Experience years : 3-5 Years
● Relevant Experience years : 3-5 Years
● Main skill require: : Python, Django, Javascript, react.js
● Gender : Male / Female
● Salary range : 6L to 12 L Per annum
● Job location : Navi Mumbai / Bangalore
● Office time : 11 AM to 8 PM
Hiring Process:
Following are some guidelines for the hiring process. It lists out the
expected experience and skill set required for the position. In terms of
the hiring procedure, our first step involves arranging a video
interview with the candidates who have been shortlisted.
Subsequently, we will proceed to schedule an in-office interview.
Resume Requirements
● Detailed Technical Skillset
● Detailed description of the Project
● Description of the modules/system which the developer was directly
involved in the Development.
Additional Attributes, if available
● Description of Technical Challenges faced and It’s implementation
● Link to their Code Repository (github, bitbucket etc)
● Link to the project
Full Stack Developer
Experience Requirement :
3-5 years of experience in Javascript, ReactJS and Python/Django
Technical skills Frontend:
● Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
● Thorough understanding of React.js and its core principles, React
Hooks, Context, High Order Components
● Prior experience with popular React.js workflows (such as Flux or
Redux)
● Familiarity with more current specifications of EcmaScript
● Prior experience with data structure libraries (e.g., Immutable.js)
● Familiarity with RESTful APIs
● Familiarity with HTML / CSS
● Experience with common front-end development tools such as Babel, Webpack, NPM, Etc.
Additional Skills – Not Compulsory -
● GIT experience is a plus
● Knowledge of isomorphic React is a plus
● Knowledge of modern authorization mechanisms, such as JSON Web Token
● Familiarity with modern front-end build pipelines and tools
● Ability to understand business requirements and translate them into technical requirements
● A knack for benchmarking and optimization
Technical skills Backend:
We are looking for a Python/Django developer who is well versed in Python language as well as in use of the Django framework. Knowledge of other python web frameworks is an advantage.
Skills needed
● Good understanding of Python language(3 + years experience)
● Proficient in Django Development Framework
● Good understanding of REST Architecture
● Good understanding and experience in writing of regular Expressions
● Familiarity with some ORM (Object Relational Mapper) libraries
● Hands on Experience with deployment of application
● Knowledge of user authentication and authorisation between multiple systems, servers and environments
● Understanding of fundamental design principles behind a scalable & distributed application
We are looking out for a technically driven "Fullstack Developer" for one of our premium client
COMPANY DESCRIPTION:
Experience: 2-7 years of experience into Fullstack developement wit Java/Python for backend and Javascript, HTML, CSS along with any front-end framework such as Angular/React/Backbone etc,,.
Key Tasks & Accountability:
- Collaborate with development teams and product managers to create innovative software solutions.
- Able to develop entire architecture, responsive design, user interaction, and user experience.
- The ability to use databases, proxies, APIs, version control systems, and third-party applications.
- Keep track of new development-related tools, frameworks, methods, and architectures.
- The developer is in charge of creating APIs depending on the architecture of the production application.
- Keeping up with the latest advancements in programming languages and server apps.
Skills:
- Comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries.
- Knowledge of React, Redux and API Integration.
- Experience with backend technology like NodeJs, Microservices, MVC Framework and Data Base connection.
- Knowledge on SQL/NoSQL such as MySql, mongoDB.
- Knowledge of cloud such as AWS.
- Team player with a knack for visual design and utility.
About Plum
We are making health insurance - simple, accessible and affordable. Hundreds of businesses of all sizes from startups to large corporates trust Plum for their employee's health protection.
Healthcare in India is seeing a phenomenal shift. Healthcare cost is seeing an inflation that is three times the general inflation. Treatments of diseases including Covid-19 can wipe out entire household savings. Majority of Indians won't be able to afford a health insurance on their own. As many as 600mn Indians would depend on employer-sponsored insurance.
Enter Plum. Plum is re-imagining the health insurance stack, and accelerating the penetration of health insurance in India to 100%. Plum has forged new underwriting and fraud detection algorithms to enable companies as small as 2 to benefit from a group insurance. The platform enables realtime insurance design & pricing to enable companies to buy insurance in 3-clicks. And offers employees a hassle-free claims experience through an integrated digital process.
Plum is backed by leading global investors including Tiger Global, Sequoia Capital, Tanglin Ventures and Incubate Fund (read more https://www.plumhq.com/blog/plum-series-a-funding">here)
About the role
Having found exceptional product/market fit, we’re in the midst of transitioning from 'start-up' to ‘scale-up’, and looking for a full stack engineer to help us scale Plum.
You will have a direct impact on the customer experience through the design and implementation of new features and functionalities in our product. You'll work as part of a small but rapidly growing high-energy team delivering incredible, creative improvements to our product. You'll be in charge of reviewing the implementation of applications following code standards and style guides.
Roles and Responsibilities:
- Spec, build, test, and deliver new features while improving the performance and quality of the product.
- Run test-harness to guarantee the structure, integrity, and design of the application.
- Solve complex CSS, HTML, and User Interface compatibility issues across browsers.
- Optimize JavaScript implementations to ensure that code remains performant.
- Implement front-end development workflows: build systems, dependency management, quality checkers (linting), etc.
- Push things over the line, ship awesome features, and delight customers.
Experience and Qualifications:
- 4+ years of hands-on experience building web applications with Nodejs, React.
- Comfortable with Responsive Web Design and Development and weave out beautiful code in React.
- Strong product and design sensibilities and has an obsessive attention to detail.
- Write testable, maintainable code that's easy to understand.
- Understand complex problems and break them down into smaller tasks.
- Strong sense of ownership and integrity demonstrated through clear communication and collaboration.
We have divided this into the following two sections
#1 Working on features as a backend or front-end engineer (roughly 50% of the time)
Some of the responsibilities here will be:
- Depending on your skills you will be contributing to the codebase as a front-end or
backend developer
- You will be responsible to understand specifications created by the business division,
clarify on it, design and develop according to the specifications using ruby on rails or
react JS.
- Review code of other engineers
- Deploy and maintain production applications
- Work on fixing bugs
- Work on fixing technical debt
#2 Assistance in Development management
- communication with stakeholders (Development unit, Business Unit)
- Help in managing timeline, resource allocation, development plan, participate in
weekly product meetings along with the VP of Engineering
- Help to convert and discuss business specifications with engineers in English
- Communicate task progress to the business division promptly
- Work closely with the VP of Engineering on getting a strategy map created and
execution of the same
- Help in the hiring process
- Help in QA and release management
Our technology stack is:
● React for client applications
● Ruby on Rails as a Back End API
● PostgreSQL database
● Elasticsearch
● Amazon Web Services
● Stripe for payment handling
● Github for version control
● Slack for communication
● Figma for design
● Confluence and JIRA
Requirements
● At least 3 years of industry experience in software development
● At least 2 years of experience in working on Ruby on Rails projects or React
JS
● Strong communication skills in both English and Japanese
Requirements
Required: Technical Skills
- Python
- Angular
- Node
- Postgres DB
- Google Script
- gCloud Deployment
- Front-end/Back-end development
Non-Technical Skills
- Communications - real fast, crisp and clear comms
- Context switching - able to jump between projects, priorities
- Speed
Preferred Skills
- Please share links to your Github repo, Code competitions
Nice to Haves or Optional
- JavaScript
- TypeScript






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