Senior Software Engineer

Job Title: Full-Stack MERN Developer (5–8 Years Experience)

Location: Borivali, Mumbai (Onsite)

Experience: 6–8 Years

Joining: Immediate Joiners

Employment Type: Full-time

Job Overview

We are looking for an experienced Full-Stack MERN Developer to join our engineering team in Borivali, Mumbai. The ideal candidate should have strong hands-on experience building scalable web applications using React, Node.js, Express, and MongoDB, with a solid understanding of REST APIs, microservices architecture, performance optimization, and cloud infrastructure.

You will work on consumer-facing applications, handle large datasets, and contribute to building reliable, high-performance systems.

Key Responsibilities

• Design, develop, and maintain full-stack web applications using MERN stack
• Build scalable and secure RESTful APIs and backend services using Node.js & Express
• Develop reusable and high-performance React components with proper state management
• Implement microservices-based architecture and inter-service communication
• Optimize application performance at both frontend and backend levels
• Work with MongoDB for data modeling, indexing, and performance tuning
• Handle large datasets efficiently and ensure system reliability
• Implement logging, tracing, and monitoring for production-ready applications
• Collaborate with product, frontend, backend, and DevOps teams
• Write clean, maintainable, and well-documented code

Technical Requirements

Backend

• Strong hands-on experience with Node.js & Express.js
• Expertise in building REST APIs and backend business logic
• Strong understanding of async programming (Callbacks, Promises, Async/Await)
• Experience with microservices architecture
• Hands-on experience with MongoDB (Expert level)
• Working knowledge of PostgreSQL / MySQL
• Experience with Kafka or other message queue systems
• Familiarity with Bull / job schedulers

Frontend

• Strong experience with React.js
• Hands-on experience with state management (Redux, Context API, or similar)
• Good understanding of HTML, CSS, AJAX
• Experience with performance optimization techniques in React

Infrastructure & Cloud

• Experience with Docker and Kubernetes (K8s)
• Hands-on exposure to AWS services such as EC2, S3, ELB, AutoScaling, CloudFront
• Understanding of CI/CD pipelines is a plus

Core Computer Science

• Good understanding of Data Structures & Algorithms
• Solid knowledge of Operating Systems fundamentals

Good to Have

• Experience with Redis for caching
• Exposure to Vue.js
• Experience working on consumer-facing web or app products
• Strong debugging and problem-solving skills
• Familiarity with application monitoring tools (logs, metrics, tracing)

What We’re Looking For

• Strong problem-solving mindset and ownership attitude
• Ability to learn new tools and technologies quickly
• Comfortable working in fast-paced, production-driven environments
• Immediate or short-notice joiners preferred

DocNexus is revolutionizing the global medical affairs & commercial ecosystem with search. We provide a next-generation data platform that simplifies searching through millions of insights, publications, clinical trials, payments, and social media data within seconds to identify healthcare professionals (HCPs), products, manufacturers, and healthcare systems. Leveraging AI-powered Knowledge Graphs, DocNexus assists life science organizations in finding the right key opinion leaders (KOL/DOLs) who play a crucial role in developing and bringing life-saving pharmaceutical products and medical devices to market. Backed by industry leaders such as Techstars, JP Morgan, Mass Challenge, and recognized as one of the Top 200 Most Innovative Startups by TechCrunch Disrupt, we are committed to transforming healthcare insights. We are seeking a skilled and passionate DevOps Engineer to join our dynamic team and contribute to the efficient development, deployment, and maintenance of our platform.

We are looking for a visionary Sr. Full Stack Engineering Lead who is passionate about building and leading our technology department. The ideal candidate will have a solid technical background and experience in leading a team to drive innovation and growth. As Engineering Lead, you will oversee the development and dissemination of technology for external customers, vendors, and other clients to help improve and increase business.

Leadership and Strategy:

• Lead the engineering team and make strategic decisions regarding the technology stack, project management, and resource allocation.
• Establish the company’s technical vision and lead all aspects of technological development.

Development:

• Develop and maintain the front-end and back-end of web applications.
• Ensure the performance, quality, and responsiveness of applications.
• Collaborate with a team to define, design, and ship new features.

Maintenance and Optimization:

• Maintain code integrity and organization.
• Identify and correct bottlenecks and fix bugs.
• Continually work on optimizing the performance of different applications.

Security: Ensure the security of the web applications by integrating security best practices.

• Regularly update the system to protect against vulnerabilities.

Innovation:

• Research and implement new technologies and frameworks that can improve the performance and user experience of the platform.
• Stay informed on emerging technologies and trends that can potentially impact the company's products and services.

Collaboration and Communication:

• Work closely with other departments to understand their needs and translate them into technical solutions.
• Communicate technology strategy to partners, management, investors, and employees.

Project Management:

• Oversee and support project planning, deadlines, and progress.
• Ensure that the technology standards and best practices are maintained across the organization.

Mentoring and Team Building:

• Foster a culture of innovation and excellence within the technology team.
• Mentor and guide the professional and technical development of team members.

Front-End Development:

• HTML/CSS: For structuring and styling the web pages.
• JavaScript/TypeScript: Core scripting language, along with frameworks like Angular, React, or Vue.js for dynamic and responsive user interfaces.

Back-End Development:

• Python: Using frameworks like Django or Flask for server-side logic.
• Node.js: JavaScript runtime environment for building scalable network applications.
• Ruby on Rails: A server-side web application framework written in Ruby.

Database Management:

• SQL Databases: MySQL, PostgreSQL for structured data storage.
• NoSQL Databases: MongoDB, Cassandra for unstructured data or specific use cases.

Server Management:

• Nginx or Apache: For server and reverse proxy functionalities.
• Docker: For containerizing applications and ensuring consistency across multiple development and release cycles.
• Kubernetes: For automating deployment, scaling, and operations of application containers.

DevOps and Continuous Integration/Continuous Deployment (CI/CD):

• Git: For version control.
• Jenkins, Travis CI, or CircleCI: For continuous integration and deployment.
• Ansible, Chef, or Puppet: For configuration management.

Cloud Services:

• AWS: For various cloud services like computing, database storage, content delivery, etc.
• Serverless Frameworks: Such as AWS Lambda or Google Cloud Functions for running code without provisioning or managing servers.

Security:

• OAuth, JWT: For secure authentication mechanisms.
• SSL/TLS: For secure data transmission.
• Various Encryption Techniques: To safeguard sensitive data.

Performance Monitoring and Testing:

• Selenium, Jest, or Mocha: For automated testing.
• New Relic or Datadog: For performance monitoring.

Data Science and Analytics:

• Python Libraries: NumPy, Pandas, or SciPy for data manipulation and analysis.
• Machine Learning Frameworks: TensorFlow, PyTorch for implementing machine learning models.

Other Technologies:

• GraphQL: For querying and manipulating data efficiently.
• WebSockets: For real-time bi-directional communication between web clients and servers.

Full Stack Engineer Role

🏘 Why Propacity?

In a country like India where every Indian aspires to have a home which provides both emotional & financial stability. Typically, real estate brokers are responsible for closing transaction for buyers, and sellers. In fact, the data suggests > 90% transactions occur via 1.5 million real estate brokers.

Unfortunately, real estate brokers are having a painful time managing their business on their own. This is leading to awful customer experience for buyers, and sellers.

Propacity is creating a platform which empowers real estate brokers to create trustworthy experience for Indians customers looking to invest their life savings.

🏚 What does Propacity Platform do?

• Solve for lead generation, lead management, market insights, growth opportunities, and more
  
  
• The platform makes the broker more efficient, more data informed, increases his income, and enables him to engage better with customer.

💛  Team Propacity

Started in 2020, we are of one of India's fastest-growing PropTech startup. We are a team of startup heroes, technology enthusiasts, product makers and business operators who want to create trustworthy real estate experience for Indians investing their lifesavings in the real estate.

Currently, working with over 200+ real estate brokers in 20+ Indian Cities.

Our team is super passionate, customer obsessed and extremely supportive of each other.

🚀 Why join us?

As a Full Stack Founding Engineer, you will be responsible for the technical implementation of Propacity Platform with other A+ Engineers

We are redefining the real estate industry. It will be hard and there are a ton of challenges facing us. However, with the right mindset, strategy, and the world-class team that we’re building, we know we can push the world forward, and build the biggest business imaginable.

 👩🏽‍💻👨‍💻 YOUR ROLE 

• Develop code for the Propacity Platform
• Collaborate with the product & design team for making decisions based on your codebase expertise
• Own the development process from the architecture stage till the product is shipped
• Promote code quality, new technologies, and architectural design within the company
• Work and develop a team of engineers who can ship fast
• Have fun collaborating with your team, and communicate as much as you can

✅  Should Have Expertise:

• Experience: You have 3+ years of professional product development experience with MERN Stack :  building server applications in Node.js along with JS Frameworks, system design.

• Server expertise: Good experience with deploying applications on AWS & devops

• Databases: You have in-depth knowledge of RDMS as well as no-sql databases and are capable of designing scalable database models based on the product and security requirements. You have also experience with in-memory databases such as Redis and queuing frameworks for running tasks asynchronously.

• Front end expertise: Good understanding of React.js, frameworks, and libraries

• CS Fundamentals: You possess strong computer science fundamentals: data structures, algorithms, API’s, micro-services, distributed systems, and information retrieval.

• 3rd Party API integrations: API Integrations for fb, Instagram, google ads & more into our product

• Github: You have some JS projects/products on GitHub Repository that are worthy of public view.

• Product focused: You take pride in building innovative and shipping fast

• Problem solver: You excel at understanding and solving complex problems. You have great attention to detail.

• Quality communicator: You can break down tricky topics in writing and work with the team together

• Feedback: You are humble, kind, and are open to product feedback

• Location: Remote/New Delhi

✅  Good to Have:

• Automated Tests: Automated Tests to test the Restful API’s

• Design Basics: Basic understanding of the Figma Tool

• Mobile Applications: Basic Understanding of app. development via React Native 

 🤙  OUR HIRING PROCESS

Yes, we make sure every candidate who joins Propacity brings in the right DNA, has growth mindset, maximises peer-to-peer learning, ownership oriented and enjoys building tech products. 

Step 1: You apply for the job at Propacity

Step 2: Short Intro Call with the Founder(s)

Step 3: Technical Interview Round(s)

Step 4: Evaluation of your Technical Expertise

Step 5: Founder Round for DNA Check

Step 6: Job offer rollout

Step 7: Join the Team Propacity & start building

🎁  PROPACITY BENEFITS 

🕰 Generous Office Timings 

• Flexible working hours
• Flexible Leave Policy

✍️ Investing in Your Growth 

• Mentoring by top industry talent
• Working Directly with the Founders
• Shared Learning with Super Smart Team Members
• Ownership to build products and teams

💰 Financial Success 

• Company ESOPS
• Expected CTC : 18 - 25 Lakhs per annum

• Knowledge in .NET language C# ,VB .NET & HTML5/CSS3
• Knowledge on MVC architecture
• Exp. in developing desktop application
• Hands on experience in REST API/SAP OData integration
• Exp. in end to end implementation
• Knowledge in handling hardware interfaces like RFID readers/sensors/traffic signals etc
• Exp in GIT, Code handling tools
• Good communication/Client facing experience
• Ability to work with in tight project timeline/Flexibility
• Ready to travel to onsite immediately

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+)

• At least 2+ years of product development experience with expertise in designing and implementing high-performance java enterprise applications
• Extensive knowledge in Object-Oriented Programming and Design
• Extensive knowledge of Java, Spring, Spring MVC, Spring Boot, Hibernate, Struts
• Exposure to or experience with Git, Bitbucket, Jira, Jenkins etc.
• Experience with HTML/XHTML, CSS, Javascript, AJAX, DOM, Reactjs
• Extensive knowledge in creating and consuming RESTful API
• Extensive knowledge in automated unit testing using JUnit
• Experience in AWS infrastructure
• Knowledge in writing SQL queries and interacting with database systems such as Oracle, SQL Server,
• Thorough orientation towards Code reviews, Coding standards, Design Standards, and Code Documentation
• Knowledge in design patterns
• Knowledge of Data modeling in RDBMS or NoSQL databases
• A proactive approach to identify alternatives for a given problem statement
• Should have worked on enterprise-class applications
• Should have worked in an Agile environment
• Excellent oral and written communication skills