Sr. Full-Stack Developer – MERN Stack + Python

Knowmax is a global B2B SaaS platform built to elevate customer experience through intelligent knowledge management. We enable customer-facing teams to access the right answers instantly—across contact centers, digital channels, and field support—driving consistency, efficiency, and satisfaction at scale.

Preferred Profile: Candidates with prior experience working on product development in a startup environment.

Core Backend Skills

• Node.js Mastery
• Deep understanding of event loop, async patterns (Promises, async/await).
• Experience with frameworks like Express, NestJS, Fastify.
• Writing scalable APIs (REST), middleware, and modular code.
• Database Expertise
• SQL/Postgres – schema design, complex joins, indexing, query optimization.
• Knowledge of transactions, isolation levels, and migrations.
• Basic familiarity with ORMs (Sequelize/TypeORM/Prisma) and raw queries.
• Architecture & Design
• Ability to design backend systems
• Good understanding of API versioning, caching strategies (Redis).

Frontend (Average Skill Expected)

• Comfortable with React (or Nuxt/Vue) for building and maintaining UIs.
• Basic understanding of state management (Redux, Vuex, Pinia).
• Familiarity with component-based architecture and UI libraries (Material UI, Tailwind).
• Can debug UI issues but not expected to be a design/UX expert.

Other Expectations

• Code Quality – Writing unit tests (Jest/Mocha), code reviews, and maintaining clean architecture.
• Problem-Solving – Strong data structures and algorithmic skills (not as intense as SD3/Architect).
• Collaboration – Able to mentor juniors, break down tasks, and work closely with product and QA.
• Performance & Security – Understands security best practices (OWASP) and performance profiling.

About us:

 We are not just an AD agency or a creative agency, we are a Communication Company. Founded in 2014, Moshi Moshi is a young, creative, gutsy and a committed communication company that wants its clients to always Expect the EXTRA from it.

Our primary clientele consists of Startups & Corporates like Ola, Zoomcar, Mercedes Benz, ITC, Aditya Birla Group, Colive, MTV, Toit, IHCL, Jaquar, Sobha, Simple Energy, and Godrej amongst others. We have a huge team of creative folks, marketers, learners, developers, coders and a puppy momo, who believe Moshi Moshi is an experience rather than a company.

Why Moshi Moshi? 

The learning curve at Moshi Moshi is very high when compared to the industry average and that's primarily because you get to work with Companies / Brand managers / Marketers of different sizes and thought processes who push you to think better and faster. So, Hop on to the ride we dearly call Moshi Moshi and let's Say hello to the world.

PS:- We are also very close to a lot of food joints and breweries, so in case your manager/boss gives you a lot of work or is Expecting the Extra, you can quickly grab a recharge and continue with your everyday life struggles. We can't do much about the manager!

What .............................. Are you a FULL STACK developer?

Yeah man I am Have you developed FULL STACK websites? Yeah I have done a few of these Oooo Mannnnn these are very poor Let me tell you one thing we are going to create the best website of your life together like these:- https://www.unisoindia.com/ https://www.florestagoa.in/ https://www.myhealthymunch.com/ https://www.moshimoshi.in/ 

Are you up for it? I am sure you are. We will take care of the design and you take care of the dev Here is JAY Calling out for His VIRU. Sachin calling out for his Sehwag. Ranveer calling for out his Deepika. Moshi Moshi & (Lucky you) Ps:- You can be the lucky one(Real JD is mentioned below)

A FULL STACK Developer is responsible for the coding, design, and layout of a website according to a company's specifications. As the role takes into consideration user experience and function, a certain level of both graphic design and computer programming is necessary. Handling the development of the website. Handling the tech side of the business and coordinating with the client. Team Management. Website Development.

Languages - React.JS, Redux, MySQL, Java Script, Microservices, Node.JS, MySQL, Mongo DB AWS server-side.

We are seeking a highly skilled and experienced MERN (MongoDB, Express.js, React, Node.js) Stack Developer to join our dynamic development team. As a MERN Stack Developer, you will be responsible for designing, developing, and maintaining scalable web applications using the MERN stack framework.

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Expertise in backend programming with Node.js and MongoDB.
• Experience with React.js and redux.
• Material UI and 3rd party libraries.
• Experience with clean code writing practices like avoiding callback hell like promises, async.
• Thorough understanding of Node.js and its core principles.
• Experience with popular React.js workflows (such as Flux or Redux).
• Familiarity with newer specifications of ECMAScript.
• Experience with data structure libraries (e.g., Immutable.js).
• Familiarity with RESTful APIs.
• Knowledge of modern authorization mechanisms, such as JSON Web Token.
• Familiarity with modern front-end builds pipelines and tools.
• A knack for benchmarking and optimization.
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial).

Responsibilities:

• Build Node.js APIs using microservices.
• Rewriting backend code with microservices architecture & Unit tests.
• Developing new user-facing features using React.js.
• Building reusable components and front-end libraries for future use.
• Translating designs and wireframes into high-quality code.
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers.
• 
  

If you are a passionate MERN Stack Developer looking for an exciting opportunity to work on challenging projects and be part of a talented team, we would love to hear from you. Please submit your application, including your resume and portfolio, highlighting your relevant experience and projects.

mavQ is seeking a motivated Lead FullStack Developer to join our team. You will be an integral member of the Professional Services team dedicated to work on the recently acquired mavQ’s Electronic Research Administration products built on a REST based Java platform running in Tomcat. The work is about 70% implementation and new development and 30% maintenance.

Skills Required:

• At least 7 years of experience with Frontend and Backend Technologies.
• Experience in Java, Spring, API Integration, Angular, Frontend Development.
• Ability to work with caching systems such as Redis.
• Good understanding of cloud computing & Distributed systems.
• Experience in people management.
• Capability of working within a budget of hours and completing projects by a deadline to appropriate quality standards
• Communicate clearly and ask clarification questions, dig deeper.
• Ability to work from visual and functional specifications
• Work with a positive attitude even when circumstances may be unfavorable
• Understand RESTful APIs, MVC concepts, and how to effectively use SVC systems
• Ability to work effectively in a team of developers and representatives of other functional groups, such as design
• ​​Good Experience in CI/CD, Kubernetes, Test suits, Docker.
• Good Understanding of the Command line.
• Good with client Interaction.

Roles & Responsibilities:

• Effective Problem Solving Skills. Assist the team with debugging & guidance when needed.
• Responsible for managing a team of 8-10 developers.
• Lead the product’s technical domain with full authority.
• Assist the product & project management teams with setting timelines & priorities for feature development.
• Drive good coding standards & development practices in the team. 
• Own the code review process for the team & ensure high quality work.
• Assist with system & architecture design & research into new technologies.
• Be involved with client communications when needed from a product sales perspective. 

What we offer:

• Group Medical Insurance (Family Floater Plan - Self + Spouse + 2 Dependent Children)
• Sum Insured: INR 5,00,000/- 
• Maternity cover upto two children
• Inclusive of COVID-19 Coverage
• Cashless & Reimbursement facility
• Access to free online doctor consultation

• Personal Accident Policy (Disability Insurance) -

• Sum Insured: INR. 25,00,000/- Per Employee
• Accidental Death and Permanent Total Disability is covered up to 100% of Sum Insured
• Permanent Partial Disability is covered as per the scale of benefits decided by the Insurer
• Temporary Total Disability is covered

• An option of Paytm Food Wallet (up to Rs. 2500) as a tax saver  benefit
• Monthly Internet Reimbursement of upto Rs. 1,000 
• Opportunity to pursue Executive Programs/ courses at top universities globally
• Professional Development opportunities through various MTX sponsored certifications on multiple technology stacks including Salesforce, Google Cloud, Amazon & others

***

3+ years

• Taking an active role in architecting the solutions we build
• Designing and implementing web applications using JavaScript and its frameworks (i.a. React, Vue, Angular), HTML5 and CSS3
• Working closely with the dispersed development team, client, and project manager in SCRUM methodology
• Ensuring that programming practices and code quality are respected
• Supporting other engineers with your expertise when needed (knowledge sharing)
• Leading your colleagues’ growth and development

• 2+ years Experience with React. Good to have working knowledge of React Native, Angular, VueJS
• Strong expertise with HTML, CSS, and writing cross-browser compatible code.
• Good understanding of AJAX and JavaScript DOM manipulation Techniques
• Experience with RESTful services
• Experience in JavaScript build tools like grunt or gulp
• Hands on and implements complex React modules
• Able to implement automated testing platforms and unit tests
• Understanding of fundamental design principles behind a scalable application
• Proficient understanding of code versioning tools (Git) 
• Critical thinker and problem-solving skills

• Experience with Angular2+ and Node
• Experience with AWS or GCP infrastructure
• Curiosity about new languages, libraries, frameworks
• Contributions to open-source projects

• Passionate about making an impact
• Self-driven & eager to learn new technologies
• Intellectually curious, interested to build complex systems
• Thrive in a highly independent, remote-first environment
• Keen to work with a globally diverse team

• Hybrid Work Option - Step out when you “want to” not when you “have to”
• Work from the comfort of your home or work at the office
• Support for setting up Home-office
• Flexible Work Hours -Work-life balance becomes a lot easier to maintain with the flexibility to plan your work hours 
• Flexible Leave policies
• Life needs a break - casual, parental, sick, or just random. To help you enjoy your leaves without guilt or excuses, we have a ‘no approval needed’ policy
• Health and Wellness - Constant encouragement to stay fit
• We encourage and support our team members to participate in memberships that promote team member health (physical, emotional, and psychological) and fitness
• Reimbursements for medical support
• Career ladder: the freedom to design your own path
• Well defined career ladders to grow, assess and explore your professional journey
• Learning opportunities
• In house learning platforms to partner with you in your growth story
• Wide range of courses and certifications

Technical knowledge

• Design and implement software components using up-to-date technologies and best practices.
• Comprehensive understanding of the REST architecture.
• Strong working experience in Angular,HTML5, CSS3
• Strong working experience in Container Orchestration Management on-premise and public cloud (Docker, Kubernetes or similar)
• Overall understanding of the Service Oriented Architecture
• Experience with widely used design patterns.
• Should possess prior experience in building distributed multi-tier applications with single sign-on.
• Continuous Integration (CI) and Automated Deployment on AWS/Azure
• Static and dynamic code quality analysis
• Should understand the dynamics of the full-stack development and guide junior team members.
• Experience in developing enterprise-scale software platforms
• Should have hands-on experience in managing releases.
• Build applications using Azure Services and deploy them on Azure Infrastructure.

What you need to have: