Senior Mern Stack Developer

Job Title: Software Development Engineer – III (SDE-III)

Location: Sector 55, Gurugram (Onsite)

Work Timings: Regular day shift, 5 days working

About Master-O

Master-O is a next-generation sales enablement and microskill learning platform designed to empower frontline sales teams through gamification, AI-driven coaching, and just-in-time learning. We work closely with large enterprises to improve sales readiness, productivity, and on-ground performance at scale.

As we continue to build intelligent, scalable, and enterprise-ready products, we are looking for a seasoned SDE-III who can take ownership of complex modules, mentor engineers, and contribute to architectural decisions.

Role Overview

As an SDE-III at Master-O, you will play a critical role in designing, building, and scaling core product features used by large enterprises with high user volumes. You will work closely with Product, Design, and Customer Success teams to deliver robust, high-performance solutions while ensuring best engineering practices.

This is a hands-on role requiring strong technical depth, system thinking, and the ability to work in a fast-paced B2B SaaS environment.

Required Skills & Experience

• 4–5 years of full-time professional experience in software development
• Strong hands-on experience with:
• React.js
• Node.js & Express.js
• JavaScript
• MySQL
• AWS
• Prior experience working in B2B SaaS companies (preferred)
• Experience handling enterprise-level applications with high concurrent users
• Solid understanding of REST APIs, authentication, authorization, and backend architecture
• Strong problem-solving skills and ability to write clean, maintainable, and testable code
• Comfortable working in an onsite, collaborative team environment

Good to Have

• Experience working with or integrating LLMs, AI assistants, or Agentic AI systems
• Experience with cloud platforms and deployment workflows
• Prior experience in EdTech, Sales Enablement, or Enterprise Productivity tools

Why Join Master-O?

• Opportunity to build AI-first, enterprise-grade products from the ground up
• High ownership role with real impact on product direction and architecture
• Work on meaningful problems at the intersection of sales, learning, and AI
• Collaborative culture with fast decision-making and minimal bureaucracy
• Be part of a growing product company shaping the future of sales readiness

• Bring in a "can-do" attitude
• Passion towards technology and software engineering - open source, pet projects, conference talks, getting better at writing clean code.
• Participate in a highly fluid environment applying agile software development principles.
• Carry out unit tests and other quality control mechanisms to inform and validate the designs and code
• Work with product owner/BAs to bring an end to end perspective of the problem.
• Ability to ask the right questions and communicate your ideas with clarity.
• Ability to collaborate with various stakeholders and take complete ownership.
• Participate actively in building one of the most impactful organizations in retail technology.

• Quickly adapt to our startup environment which is both demanding and fast-paced (but is also a lot of fun).
• Eager in learning new concepts, technologies and be productive in short time.
• Convert a raw idea into usable real-life software products Write modular, readable and maintainable code.
• Good understanding and working knowledge of technologies worked.
• Demonstrate good problem solving skills
• Own and be able to manage a small to medium sized modules.
• Demonstrate ability to guide and coach a new team member or fresher.

FullStack Developer( Angular + Node) | Location: Remote

Key Responsibilities:

1) The incumbent will be responsible for

building microservices based on a leading

NodeJS API framework while also

contributing to a large open source

community where your work will be seen

and used by thousands of developers.

2) You will work with the tech team

council that is composed of senior

architects to work on technical definitions

of new microservices and will mentor junior

developers that integrate these services

into client projects.

3) Coding complex modules

4) Building a knowledge base of the latest

programming trends, best practices, and

methodologies

5) Customizations to existing open source or

custom built applications

6) Code review and enforcing best practices

Improve Application architecture

7)Constantly improve his/her own skill set

8) Impeccable written and verbal communication

skills with the ability to present, explain and

defend design concepts in team and stakeholder

meetings.

9) Experience representing work to a broader

product team and other leaders, clearly and

succinctly articulating the goals and concepts

10) Knowledge of Typescript and Loopback.io would

be an added advantage

Qualification:

1) B.Tech/ BCA/ MCA or M.Tech

2) Relevant Experience should be 3-6 years.

3) Experience in Javascript frameworks (Node.js,

Angular.js/Reactjs)

4) Node ( at least 2 years is mandatory with Angular)

Personal characteristics:

• Strong portfolio and excellent attitude
• Delivery oriented and able to work under strict deadlines.
• Ability to drive the project with the team
• Problem-solving and innovation skills are a must
• Detail oriented and ability to organize
• Must be self-confident to work in a team and individually
• Strong communication skills

We have multiple open positions for full-stack engineers to work with us on a cutting-edge eCommerce trade analysis platform.

I am looking for multiple full stack MERN developers

Must have experience with:

• Typescript
• NextJS
• Firebase / AWS services
• Experience working on SaaS applications with a large codebase

Nice to have

• Tailwind
• DynamoDB
• Chart libraries such as ChartJS

Position description:

We’re looking for a senior full stack developer (MERN) with a proven experience to design and create software. The responsibilities will include coding both on the front and back-end, writing APIs, and React components.  

Having an experience of web development using JavaScript, you should be able to create web applications from scratch. The ideal candidate should have experience of working in agile teams. 

Primary Responsibilities:

• Participating in the design and creation of scalable software
• Writing clean, functional code on the front- and back-end
• Writing unit tests and fixing bugs or other coding issues
• Develop and manage well-functioning databases and applications
• Write effective APIs and react components
• Perform peer code reviews

Reporting Team

• Reporting Designation: Full Stack Development (KH_PPLS_PE_SPD.Full Stack Development)
• Reporting Department: Software Product Development (KH_PPLS_PE_SPD)

Required Certification/s:

Required work experience

• Industry: IT
• Role: Web Development
• Years of experience: 3 to 6

Key Performance Indicators:

• 3-6 years of industry work experience 
• Proven experience as a Full Stack Developer or similar role 
• 1+ years of web application development with JavaScript as full stack 
• End-to-end full stack experience designing and building scalable applications 
• Excellent JavaScript / Typescript skills 
• Strong proficiency in React (hooks knowledge is plus) 
• Strong proficiency in Nodejs 
• Good HTML5 / CSS3 skills with expertise on responsive web design 
• Must have development experience in Micro services using NodeJS and TypeScript 
• Experience with NoSQL databases such as MongoDB, mongoose, aggregation framework and Redis 
• Experience with Web sockets and related frameworks (e.g. Socket.IO) 
• Experience in using and developing GraphQL APIs 
• Knowledge of code versioning tools such as Git, Mercurial or SVN. 
• Open minded to take up any challenge, research and provide solutions –  

Required Competencies:

• Great attention to detail 
• Testing libraries – jest, testing-library is plus 
• TDD / BDD experience is plus 
• Experience with AWS, K8S is plus 

• Familiar with SDLC methodologies like SCRUM, AGILE, Continuous Integration  

Required Skills:

ReactJS, Node.JS, HTML, CSS, Javascript, NoSQL 

Role: Full-Stack Lead Software Developer – Building Materials Start-up

Experience: 5+ Years preferred (3+ years mandatory)

Location: Hyderabad

About the Company: AndesInfra Solutions is a Hyderabad based Building materials start-up. The founders have over 20 years’ experience in the industry having worked with reputed clientele over these years. The start-up is re-defining how products and services are offered in the construction industry by focusing on driving better efficiencies. Powered by Technology and Innovative business models, the start-up is aiming to solve the root causes of project cost and time over runs, service delivery and quality assurance.

About the Industry: The real estate sector in India is expected to reach $1Trn by 2030 and contribute to ~13% of India’s GDP by then. The industry is heavily fragmented with most players struggling for efficiencies. There is a growing trend towards product modularization and service orientation leading to greater stress on efficiencies.

Overview of the role: As the full-stack lead developer, you are part of the organization’s senior management team leading the technology team. You will work with both internal and external members to build, test, deploy and maintain high quality software products/enhancements

Job Description:

• You are expected to write high quality code for applications, database integrations, interfaces and code enhancements
• You will lead the entire cycle of software development to delivery and maintenance. You must be comfortable working with agile, lean and continuous delivery practices
• You are expected to recommend, design and implement the optimal choices on technology, tools and architecture
• You will keep sanctity of the code and structure when working with external teams
• You must ensure the overall security of the applications and the data
• You are expected to lead code reviews, cloud deployments/Dev-Ops
• You are expected to build, coach and lead the technology team to successful deliveries
• You are expected to build a tech team for the company, that works under your leadership

Skills Required:

• 4+ years’ deep experience across All of MEAN Stack
• Must be well versed with Javascript, Typescript, HTML, CSS, Angular 12, Docker
• Must have expert level data modelling skills
• Must have been involved in the launch of IOS and Android Apps or Progressive Web Apps
• Must have built and/or managed and technology team in your previous organizations
• Must be able to work cross-functionally and demonstrate business acumen and judgement
• Having an appreciation/some background in construction industry is a plus

Salary Offer:

• Competitive salaries
• Generous equity
• Flexible work hours

• He/She will be a part of a very agile short-cycle development with continuous integration in a dynamic start-up environment
• He/She will elaborate on technical concepts and actively integrate your own ideas and visions into the product
• He/She will do code reviews and support your colleagues in the daily business.
• Should have done Minimum three projects using any of these following technologies: Angular 2+
• Should have scored 7.0+ CGPA.
• Experience with building the infrastructure for serving the front-end app and assets
• Deep knowledge of AngularJS practices and commonly used modules based on extensive work experience