
Build v1 of a revolutionary Enterprise SaaS product for Telecom eSIM connectivity & SaaS spend management. Looking for engineers who are driven by the love for building an Enterprise SaaS product from MVP to Vx. The person will architect and develop the enterprise SaaS platform, Mobile app and Analytics products.
Spenza enables enterprises to procure, provision and manage SaaS and communication services. Spenza is a spend management wizard for SaaS enabling enterprises to build the tech stack that works.
Spenza has been selected for incubation at NSRCEL, IIM Bangalore.
Founded by Vinaychandra Bharadwaj, a tech/product executive with 20+ years of experience in companies like Tejas Networks, Subex, GigSky and Money View.

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About the Role
We are hiring an experienced MERN Stack Developer who can independently build and scale full-stack applications from scratch. The ideal candidate must have strong skills in TypeScript, React.js, Node.js, Redux, and REST APIs, along with a solid understanding of microservices architecture, mobile API integrations, and responsive design.
Experience with LLMs, RAG architecture, Kafka, Redis, webhooks, and database systems like PostgreSQL, MySQL, and MongoDB is essential. You’ll be working on scalable systems, enterprise-grade platforms, and AI-integrated products.
Key Responsibilities
- Develop and maintain full-stack web applications using React.js (with TypeScript) and Node.js (Express/NestJS)
- Build and document robust RESTful APIs and mobile-ready endpoints
- Implement and consume webhooks for third-party integrations and internal event-based workflows
- Ensure responsive design principles across devices and screen sizes
- Integrate with mobile applications via secure and scalable APIs
- Work with databases including PostgreSQL, MySQL, and MongoDB
- Integrate Large Language Models (LLMs) and Retrieval-Augmented Generation (RAG) pipelines
- Build and deploy microservices architecture using Kafka, Redis, Docker, etc.
- Manage application state using Redux or Redux Toolkit
- Write test cases using Mocha, Chai, Jest, or similar frameworks
- Participate in system design, architecture discussions, and scalability planning
- Follow Agile practices, perform code reviews, and contribute to CI/CD pipelines
- Collaborate with cross-functional teams including UI/UX, DevOps, QA, and Product Management
Required Skills & Experience
- Minimum 4 years of hands-on experience with the MERN stack
- Strong proficiency in TypeScript, React.js, Node.js, and Redux
- Proven experience in building and consuming REST APIs and webhooks
- Deep knowledge of responsive UI/UX development
- Hands-on experience with mobile-first API design and integrations
- Strong knowledge of PostgreSQL, MySQL, and MongoDB
- Experience with Kafka, Redis, Docker, and microservices
- Exposure to LLM, GPT, RAG, or similar AI models
- Solid understanding of software architecture and ability to build systems from the ground up
- Working knowledge of API security, JWT, OAuth, and rate-limiting
- Familiar with test-driven development and QA practices
- Familiarity with Git, version control, and collaborative workflows good to Have
- Experience with GraphQL and gRPC
- Experience in building SaaS or AI-integrated platforms
- Familiarity with ElasticSearch or RabbitMQ
- Experience with AWS, GCP, or Azure
- Understanding of serverless and event-driven architectures
Benefits
- Competitive compensation with performance-based hikes
- Flexible remote or hybrid work options
- Opportunity to work on cutting-edge technologies including AI and scalable SaaS platforms
- Strong leadership and learning-driven environment
- Learning budget for courses, certifications, and conferences
Profile - Mean Stack Developer
Experience - 2+ - 8Years
Location - Indore | Full Time | Onsite
Job Description -
- Building interactive consumer data from multiple systems and RESTfully abstract to the UI through a Node.js backend
- Define code architecture decisions to support a high-performance and scalable product with a minimal footprint
- Address and improve any technical issues
- Collaborate well with engineers, researchers, and data implementation specialists to design and create advanced, elegant and efficient systems
Job Requirements -
- Previous working experience as a MEAN Stack Developer for 3+ years
- B tech degree in Computer Science or similar relevant field
- In-depth knowledge of NodeJS, ExpressJS
- Experience implementing applications using Angular 2+ versions
- Experience creating front end applications using HTML5, Angular, LESS/SASS
- Hands-on experience with JavaScript Development on both client and server-side
- Experience with modern frameworks and design patterns, minimum three-year experience with MEAN Fullstack paradigm
- Knowledge of the following will be considered as an advantage:
- Consumer Web Development Experience for High-Traffic, Public Facing web applications
- Experience with cloud technologies also a plus
- Creating secure RESTful-based web services in XML and JSON, Javascript, JQuery
- Continuous integration (Jenkins/Hudson) and version control (SVN, Git)
Skills - Nodejs, Angular Js, Mongo DB
Responsibilities
Design, implementation and delivery of solutions.
Solving new problems and address any issues regarding the architecture and performance.
Focused on understanding customer needs and anticipate the changing business and technology landscape.
Collaborate with teams from various verticals within and outside the company.
Qualifications
2-5 years of Software Engineering experience in Node.js and React.
Proven experience in architecting performant, complex application on web or mobile applications.
Knowledge of end to end Software development life cycle.
Ability to work individually or in teams and mentor new developers to the team.
Strong knowledge of computer science, algorithms and design patterns.
A degree in Computer Science or related field, or equivalent industry experience.
Ability to translate Wireframes and PSD Designs into functional web apps using HTML5, AngularJS, Reactjs , Node.js, Typescript and Mongodb
Binding of UI elements to JavaScript object models
Creating RESTful services with Node.js
Python or PHP knowledge will be good
Architect scalable web architectures
Work in a cross-functional team to deliver a complete user experience
Create Unit and Integration tests to ensure the quality of code
Be responsive to change requests and feature requests
Write code that is cross-platform and cross-device compatible
Ability to wear many hats and learn new technologies quickly
Qualification and Work Experience
Qualification: B.E./B. Tech/BCA/MCA
Work experience: 1- 8 years
Minimum 1-8 years of experience in Designs, develops and implementation of web-based Java applications to support business requirements and projects.
Hands-on experience in Java and J2EE Ecosystem.
Hands-on experience in Spring boot, Hibernate and/or Struts frameworks.
Good familiarity with Object-Oriented Programming, Web services, REST, HTTP.
Strong experience with databases and MySQL.
Experience in Agile Development/Project Management, DevOps CI/CD process is a big plus.
1-6 years minimum in creating complex HTML based solutions
Detail oriented experience as a Web Developer creating Angular/React/Vue based solutions
1-6 years with Node.js and Express js
Ability to work both independently and in collaborative teams to communicate design and build ideas effectively
Experience using asynchronous RESTful services (JSON)
Knowledge and Hands-on experience on ASP.Net, C#, MS SQL Server, Restful, C# 3.5/4.0, MVC
Desirable Skills: Excellent written and verbal communication skills. Excellent analytical and troubleshooting abilities.
Solid understanding of best practices in web application development.
Knowledge and Hands-on experience on Java,
Exceptional attention to detail and design.
Requirements
Fluent knowledge of the latest HTML/CSS standards and best practices
Working knowledge of JavaScript, Typescript, ReactJS and Angular Working knowledge of Node.js and Express js
Solid Understanding of HTTP protocol and how server-side code is processed on the client
Understanding the nature of asynchronous programming and its quirks and workarounds Excellent hands-on experience with MongoDB , Mongo aggregation, MySQL, Ability to build REST services, Authentications, MVC applications
Excellent Object-Oriented Programming skills and ability to write modular, secure, scalable and maintainable code
Experience with Elastic search, Redis.
Some experience with Photoshop or Sketch is a plus (creating sprites, optimizing, cutting or adjusting images)
Working knowledge of front end optimization and performance techniques
Obsession with lean, clean and organized front-end code
Cross-browser development and troubleshooting
Experience building Responsive websites for web, tablet and mobile devices
Eye for details is crucial
Able to handle multiple projects and competing deadlines
Good understanding of overall web design including basic usability, accessibility, industry standards, architecture, and navigation
Passionate about learning new technologies, take pride in code quality and a self-starter.
Exposure to AngularJS, jQuery is a plus
Experience of Groovy & Grails is a big plus.
Exposure to NoSQL databases like MongoDB is a big plus.
Experience in AWS is a big plus.
Desired Skills:
Experience with Microservices and DevOps.
Benefits :
Opportunity to work on highly challenging international projects.
Opportunity to travel & work with International clients.
Flexible and friendly work environment
Great organizational culture, focus on employee's well-being.
Work-life balance.
Be part of the best place to work for certified company
- You will be responsible for the delivery of the application/ feature/ module your team will be working on.
- Write/Review Code every day in addition to pairing with team members on functional and non-functional requirements and spread design philosophy, goals, and improvements to code quality across the team
- Work with development teams and product managers to ideate software solutions
- 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
- Ensure all code is thoroughly covered by automated tests and that all features meet quality checks before deployment.
- Contributing to the constant improvement of practices and processes in the team.
- Building and managing automated build/test/deployment environments
- Coordinate with cross-functional teams (Sales, Marketing, Product, Mobile, DevOps, UX, Data Science, Data Engineering, QA, etc.) to define and execute the feature roadmap.
- Research new technologies and tools and share your learning with the rest of the team.
- Provides mentoring and guidance to other team members, including new hires.
What makes you a great fit for our team:
- 5-8 years of overall experience with at least 2+ years of full-stack experience.
- Proven experience as a Full Stack Developer or similar role
- Experience developing desktop and mobile applications
- Familiarity with common stacks
- Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)
- Experience in NodeJS for at least two years and exposure to Python, Go, etc will be a huge plus and JavaScript frameworks (e.g. Angular, ReactJs(preferred), VueJs)
- Familiarity with databases (e.g. MySQL, MongoDB) and UI/UX design
- Experience and knowledge of open source tools & frameworks, broader cutting edge technologies around server-side development.
- Data modeling experience in both Relational and NoSQL databases.
- Experience in building microservices-based architectures
- Knowledge of or experience with at least one or more of PaaS environments - AWS, Google App Engine, Windows Azure Cloud Services or similar
- Ability to deliver in a global team environment with members working remotely in various time zones and locations
- You are a problem solver with exceptional analytical skills and high attention to detail
- Good knowledge of data structures(list, graphs, maps) and their advantages or disadvantages.
- You thrive in a fast-paced environment, successfully handle ambiguity, and have experience working with Agile methodologies, TDD and Test Engineering and Automation
- You have excellent written and oral communication skills, with an ability to handle both executive-level discussions as well as technical deep dives
- Excellent understanding of interactive application development paradigm, memory management, performance/resource optimizations, database interactions, concurrency and multithreading, fault tolerance, monitoring, security, operability, and scalability of systems.
- Able to occasionally travel to our USA headquarters in Redwood Shores, CA
Education:
- Bachelors - (Preferably from Tier-1 College)
Keywords:
- Node, NodeJS, AWS, Full Stack, Serverless, Amazon Web Services, Lambda, REST APIs, Webservices, Microservices, ReactJs, VueJs, AngularJs
- Develop a deep understanding of the start-up ecosystem.
- Build customer facing technology product for global customers.
- Own the Product's frontend and backend development, building reusable, testable, and scalable code.
- Research, evaluate, analyse and implement technical requirements.
- Collaborate with product management teams to define and implement innovative solutions for the product direction, visuals and experience.
- Mentor Junior members of the team.
Requirements :
- 3 to 5 yrs of experience building scalable products, distributed applications product/services in JavaScript and one of angular/react.
- Min 2+ experience working on Node.js and its frameworks.
- Knowledge of both SQL and NoSQL database services and related tools with the expertise to create efficient schemas.
- Strong coding and problem solving skills.
- Understanding of multiple delivery platforms, such as mobile vs. web and developing responsive UI.
- Ability to own end-to-end deliveries, right from requirements till release.
- Excellent coding skills and ability to produce high quality, bug free and testable production grade code.
- Designing unit test cases, integrated test cases using Selenium and Protractor.
- Experience working in an Agile/Scrum development process.
-Ability to mentor junior members of the team.
- Ability to review code and continuously push for higher standards of development.

