MERN Stack Developer

A full stack developer job description for MERN stack developers centers on designing, developing, and maintaining robust web applications using MongoDB, Express.js, React, and Node.js as core technologies.

Responsibilities

• Develop and maintain scalable web applications using the MERN stack.
• Build interactive and responsive user interfaces with React.
• Implement server-side APIs and business logic using Node.js and Express.js.
• Design, model, and manage databases with MongoDB to ensure efficient data storage and retrieval.
• Integrate front-end with back-end systems and third-party services.
• Optimize applications for speed and scalability, troubleshoot and debug code, and ensure reliability.
• Collaborate with other developers, designers, and stakeholders in an agile environment to clarify requirements and deliver solutions.
• Implement security best practices and protect sensitive data.
• Participate in code reviews and mentor junior developers.

Requirements

• Proven experience with the MERN stack (MongoDB, Express.js, React, Node.js).
• Strong skills in JavaScript, HTML5, and CSS3.
• Familiarity with RESTful API design, version control systems (Git), and front-end frameworks like Bootstrap or Material-UI.
• Understanding of database design, schema management, and NoSQL principles.
• Problem-solving ability and communication skills.
• Bachelor's degree in computer science or related field (preferred).
• Experience working collaboratively in a team-oriented environment.

Key Skills

• JavaScript, React.js, Node.js, Express.js, MongoDB.
• HTML/CSS, RESTful APIs, Git.
• Familiarity with agile methodologies and UI/UX best practices.
• Testing, debugging, code optimization, and deployment.

Procedure is hiring for WorkHero.

Across the U.S., thousands of small HVAC businesses are drowning in admin. WorkHero pairs seasoned office managers with AI workflows to free up their time, unlock growth, and modernize the trades. We handle everything that touches the back office of a small HVAC operation: billing, rebates, permits, warranties, marketing, and more. Our customers save dozens of hours every week, allowing them to focus on growing their business.

We are building at the intersection of Human and AI automation, and that’s where you come in!

How you will help us achieve it

As an Applied AI Engineer, you will collaborate with the company founders, product team, and office managers to develop agentic workflows for many of their daily processes. You will ideate, design, implement, and maintain the software side of the product. You will design the UX, develop the front end interfaces, build backend routes and design database models. The bulk of this role is interacting with office managers to understand their workflows and then creating and managing AI agents & workflows to make them more efficient.

In your day to day, you will:

• Partner with our frontline staff to understand their work so you can automate it with AI and save them time
• Live on the cutting edge of Human & AI interactions, keeping up to date with the latest patterns and how they apply to WorkHero and our workflows
• Contribute to exceptional code quality and performance of the code base
• Mentor young engineer(s) to be great at their craft, as our team grows

Key Details

• You can work remotely from anywhere with an overlap of at least four hours with the product team (6 pm to 10 pm IST)
• This role involves participating in calls with US-based stakeholders
• The compensation comes with a salary and an equity component
• Location - Remote
• YOE - 5 to 10 years
• NP - Immediate to 30 days

You’ll thrive if you

• Care about your craft and the mission of the software you are developing
• Are enterprising and can figure out how to convert workflows/playbooks to AI agents
• Work with cutting-edge AI tools and APIs
• Don’t just complete tickets that are assigned to you; you think deeply about the product and how you can make it great, then put that into action
• Enjoy developing 0-1 software products iteratively
• Are proficient in the Typescript ecosystem, including monorepos.
• Are skilled in React and Express (Koa is a plus) or similar tech
• Are pragmatic and understand trade-offs in software engineering

Requirements

• 4+ years of experience in building software products
• Have created applications using AI and LLMs. Can understand when to prompt, use RAG, create agents or fine-tune an LLM
• Have solid experience with the MERN stack
• Ability to debug and optimize complex systems
• Excellent communication and collaboration skills

Bonus points if you have

• Experience in mentoring junior team members. Better if they had gone to replace you in your team, allowing you to take up a more meaningful role
• Familiarity with our tech stack (React, Koa, Mongo, AWS, React Native)
• A good understanding of UX best practices for SaaS based interfaces & AI
• Built apps using React Native
• A deep understanding of infrastructure and can optimize for cost
• Set up evaluation frameworks for agentic workflows
• Contributed to open-source projects

Your First Six Months

• You will be working on creating AI Agents/Workflows based on the playbooks for some of the crucial workflows of HVAC office managers
• You will work on building the frontend, APIs and apply AI knowledge to add features to the office manager and admin portal, as well as the mobile app
• You will be using Vercel AI SDK to create abstracted AI agents and workflows with the capability of falling back to different providers
• You will demo the agentic workflows to US-based stakeholders—small HVAC business owners, product team and office managers
• You will monitor and manage the AI Workflows, ensuring quality and accuracy, improving them over time

About engineering at WorkHero

We value:

• High ownership and fast iteration
• Deep understanding our tools and systems
• Continuous improvement, both technically and interpersonal

Our technology stack:

• Full Stack TypeScript (React, React Native, KoaJS Backend, CRXJS Browser Extension)
• NX Monorepo with shared typing & libraries
• Infrastructure:
• AWS (ECS, Hosted RMQ)
• MongoDB Atlas
• Firebase & GCP services
• AI Tooling (Anthropic, OpenAI, Gemini, Deepgram)

Our team

• The Company is funded by Workshop Ventures Partners, a US-based venture studio focused on building great companies in Climate Tech
• The team consists of founding members from Harvard Business School and the Workshop Ventures team — Kyler, Furman, Chad, Jason, and Ulhas

Interview Process:

• Screening: Review of your open source contributions and past projects.
• First Round of Technical Evaluation: Assessing your problem-solving and AI integration skills.
• Technical Evaluation + Cultural Fit: Understanding your alignment with our team.

Job Summary:

We are seeking a motivated and skilled Founding Engineer to join our innovative team in Mumbai. This role offers a unique opportunity to help shape our technology and product direction, leveraging your expertise in full-stack development using React.js, Node.js, and MySQL.

Key Responsibilities:

• Design and implement user-friendly frontend applications using React to enhance user experience.
• Develop robust server-side applications and APIs with Node.js to support our business logic and data processing needs.
• Manage and optimize MySQL databases, ensuring data integrity and performance while querying and updating data.
• Collaborate closely with cross-functional teams including product management and UX/UI to deliver cohesive product features.
• Participate in code reviews and ensure adherence to best practices in software development, maintaining high-quality code.
• Assist in troubleshooting and debugging issues across the stack, ensuring a smooth operation of our applications.
• Contribute to the architecture and roadmap of our technology platform, helping to define future iterations based on user feedback.

Requirements:

• Bachelor's degree in Computer Science, Engineering, or a related field.
• 1 to 4 years of experience in full-stack development with a focus on React.js, Node.js, and MySQL.
• Strong understanding of web technologies, including HTML, CSS, and JavaScript frameworks.
• Proficient in database management and design, particularly in MySQL.
• Excellent problem-solving skills and the ability to work in a fast-paced startup environment.
• Demonstrated ability to work collaboratively in a team and communicate technical concepts clearly.
• Passion for building innovative and scalable applications that meet user needs.

We are seeking an experienced Lead Full Stack Developer with a strong background in the MERN stack and serverless technologies. The ideal candidate will have a minimum of 6 years of experience in software development, with significant expertise in both relational (RDBMS) and NoSQL databases. You will lead a team in designing and developing scalable, high-quality solutions while ensuring best practices are followed throughout the development lifecycle.

Responsibilities:

• Develop and maintain scalable backend services using Node.js and serverless technologies such as AWS Lambda, Google Cloud Functions, or Azure Functions.
• Architect and implement front-end solutions using React.js, ensuring seamless integration with backend services.
• Design, implement, and optimise both relational (PostgreSQL, MySQL) and NoSQL (MongoDB) databases.
• Translate business requirements into robust, efficient technical solutions.
• Conduct code reviews to maintain high standards of code quality, performance, and maintainability.
• Stay updated with the latest trends and advancements in the MERN stack, serverless architectures, and cloud platforms.
• Lead and mentor a team of developers, providing technical guidance and fostering a collaborative environment.
• 
  

Requirements:

• Minimum of 6 years of professional experience in software development, with at least 6 years specifically in the MERN stack.
• Proven leadership experience in managing and mentoring development teams.
• Proficiency in Node.js, Express.js, React.js, and MongoDB.
• Hands-on experience with serverless architectures, including AWS Lambda, Google Cloud Functions, or Azure Functions.
• Strong understanding of RDBMS (PostgreSQL, MySQL) and NoSQL databases (MongoDB).
• Solid understanding of RESTful APIs, microservices architecture, and cloud platforms.
• Excellent problem-solving, debugging, and collaboration

Additional Skills:

• Experience with GraphQL, Docker, and Kubernetes is a plus.
• Contributions to open-source projects are highly valued.
• Understanding of DevOps practices and CI/CD pipelines.

About the platform: We are solving an interesting problem and changing the way healthcare businesses in the US communicate with their patients.

Requirements:

• Bachelor's/Masters or Ph.D. degree in Computer Science, Data Science, Statistics or related discipline is NOT MANDATORY. Skills and passion to build products that people love are mandatory. :)
• Minimum 3 years of working experience.
• Firm grasp of the JavaScript language and its nuances, including ES6+ syntax
• Full-stack experience working with backend programming languages as we believe engineers can do anything and everything and so everyone at Emitrr works full-stack.
• Knowledge of Node.js and frameworks available for it (such as Express, StrongLoop, etc depending on your technology stack)
• Good understanding of React.js and its core principles with experience with working on popular React.js workflows (such as Flux or Redux)
• Experience in building performant mobile apps in iOS or Android on react native is a plus

Job Description 

We are looking for a Full Stack Developer to produce scalable software. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment.

As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. With problem-solving approaches and rigorous thinking abilities, we are looking for learners who may not know all the answers but are obsessive about finding them and know exactly where to look for them.

“If you’re also familiar with Agile methodologies, we’d like to meet you.”

Responsibilities 

• Writing code for both the front end and the back end using MERN stack [MongoDB, Express.js, React.js and Node. js]
• Creating RESTful API with Node.js
• Maintaining all the required documents for your project.
• Constantly coming up with new ideas and also implementing them to improve the app’s performance.
• Writing code for the app logic as well as the business logic using Reducers, Actions and Redux framework.
• Create Unit and Integration tests to ensure the quality of code

Requirements 

• At iDC, we value your skills more than your background and some certificates. Attempting the assignment will be your door to the opportunity.
• Knowledge of the database and familiarity with the schema design in NoSQL (i.e MongoDB) 
• A good understanding of the Software Development Lifecycle
• Knowledge of API design and development using REST
• Good understanding of object-oriented programming(OOP) and OOP patterns.
• Again, You don’t have to know it all in-depth but you should know how to dig the internet for finding the solutions.

Senior Fullstack (MERN) Developer - Tribe

We’re looking for a Full Stack developer who will take a key role on our team. Our Full Stack developer must have knowledge in all stages of software development. You’ll be working alongside other engineers and developers, collaborating on the various layers of the infrastructure for our platform

• Quick Learner and good at problem solving
• 2 - 5 years of experience in developing backend and frontend applications
• Good understanding and strong in data structures and algorithms
• Design overall architecture of application including frontend and backend.
• Maintain quality and ensure responsiveness of applications.
• Developing front end website architecture.
• Developing back-end website applications including designing and developing APIs.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Staying abreast of developments in web applications and programming languages.
• Collaborate with the rest of the engineering team to design and launch new features.
• Maintain code integrity and organization.
• Understanding and implementation of security and data protection.
• Highly experienced with back-end programming languages (Ex: Python, Java, JavaScript etc)
• Proficient experience using (Ex: advanced JavaScript libraries and frameworks such as ReactJS, AngularJS etc.).
• Experience with cloud message APIs and usage of push notifications at large scale.
• Knowledge of code versioning tools such at Git
• Good to have experience in MERN

Who should not apply for this job

• If you are looking for a 100% hike in your salary but can't commit to what value you will bring on the table
• If you never read books
• If you jump companies every 11-12 months
• If you are not comfortable working on Saturdays
• If you have less than 2 years of experience
• If you have more than 4 years of experience

At this position you will:

• Get solid experience with high-load distributed architecture using REST and High load services.
• Work with automated CI/CD processes, AWS cloud, and VoIP.
• Implement and support microservices based on Elasticsearch, Mongo, and frontend.

Key-Skills Required:

Node.js  | Express  | REST Api   | Javascript  | Redux-Saga |   MongoDB | Web security TLS/SSL | Web Sockets |   Promises & Call-backs | Database & Data structures |   Redis | Elasticseach | React.Js

Key Deliverables: 

• New feature design and implementation, Bug fixing, testing and performance tuning.
• Work on the API and Engines.
• Code deployment on cloud & maintenance of the same.
• Take complete ownership of a product/feature from setup to deployment.
• Time-bound feature delivery & updating.
• Cost-saving using efficient & effective technologies

Role and Responsibilities: 

• Work on back-end (+ frontend integration) development of core scripts using NodeJS / MongoDB /Express /Redux, and Redis.
• Manage Key-value based databases like Redis.
• Active participation in the development of a sophisticated platform as one of the leading developers.
• Document code consistently throughout the development process by listing a description of the program, special instructions, and any changes made in database tables on procedural, modular, and database level.
• Respond promptly and professionally to bug reports. 
• Knowledge of bluebird.js (Promises), Async, etc will be of advantage.
• Coding and programming using Object-Oriented Programming, Data Structure and Algorithms, architecture/ design and build RESTful API.
• Passionate about building products and features and build the product from scratch with thrust on Web security, TLS/SSL, web sockets, etc
• Knows one or more of Wireframes/ Prototyping/ Functional Documentation of business.

4-10 LPA based on experience and on performance in the interview round (70% Fixed - 30% Variable Incentive based on performance/delivery schedule)

(We do ZERO deductions since the salary will be paid from US/Singapore)

Qrata is currently searching for MERN stack developer for Omani start up Delivery Company.

Who are we?

The company begin its life in June 2018 as Oman’s first online delivery mobile application, in the capital city Muscat. The application allows customers in Muscat to place an order from a choice of restaurant or food outlet and get it delivered within the comforts of their home. The application allows services on Android and IOS both.

It’s envisions itself as the ideal delivery and discovery platform for everything under the sky. With customer satisfaction on top of our priority list ,it ensures that customers receive the best of both the worlds. A wide range of products and fast efficient delivery are the areas where the company constantly wants to excel.

Role – MERN Stack Dev.

1. 3+ years of experience in MERN (Node, React.JS)
2. Algorithms & Data structure concepts
3. B2C App / Product Company Experience
4. BE and BTECH in Computer, Computer Science, IT