Full Stack JavaScript Developer - React.js/Redux/Node.js

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.

Position: Senior Backend Developer (Python + FastAPI + GCP)

Engagement Type: Remote

Location: Remote

Position Overview:

Seeking a Senior Backend Developer with 6–8 years of experience to design, build, and maintain scalable backend systems using Python and FastAPI on Google Cloud Platform, ensuring high performance, reliability, and secure deployments.

Key Responsibilities:

• Design and build scalable, high-performance backend systems using Python (FastAPI) with clean architecture and modular design principles.

• Architect and implement microservices and RESTful APIs ensuring reliability, security, and optimal response times.

• Own end-to-end system design from schema definition to deployment with focus on high availability, fault tolerance, and cost efficiency.

• Manage DevOps pipelines for CI/CD, containerization, and infrastructure automation using Docker, Terraform, and GitHub Actions.

• Deploy, monitor, and optimize cloud infrastructure on Google Cloud Platform (GCP) including Compute Engine, Cloud Run, Pub/Sub, and Cloud Storage.

• Collaborate with frontend, AI, and data engineering teams to define robust API contracts and efficient data flows.

• Implement observability practices including logging, tracing, and alerting using Stackdriver, Prometheus, or Grafana.

• Conduct code reviews, system design sessions, and performance tuning for production-grade deployments.

Required Skills:

• Strong expertise in Python with a focus on FastAPI.

• Solid understanding of software architecture and design patterns.

• Experience with API design and authentication (OAuth2, JWT).

• Deep knowledge of Google Cloud Platform (GCP) services including Compute Engine, Pub/Sub, Cloud SQL, Cloud Storage, and IAM policies.

• Proficiency in containerization (Docker) and CI/CD pipelines.

• Familiarity with infrastructure-as-code tools such as Terraform or Cloud Build.

• Hands-on experience with databases like PostgreSQL, MySQL, or Firestore and ORM frameworks such as SQLAlchemy or Tortoise ORM.

• Knowledge of system monitoring, alerting, and logging in distributed systems.

Preferred (Bonus) Skills:

• Experience with API Gateway, Redis, or Celery for async processing.

• Familiarity with message queues like Kafka or RabbitMQ.

• Exposure to event-driven architecture and cloud cost optimization strategies.

• Understanding of DevSecOps and cloud security best practices.

• Experience working with cross-functional product and data teams.

Job Title: Backend Developer

Experience: 2–7 Years

Location: On-site – Bangalore

Employment Type: Full-Time

Company: Pepsales AI (Multiplicity Technologies Inc.)

About Pepsales

Pepsales AI is a real-time sales enablement and conversation intelligence platform built for B2B SaaS sales teams. It empowers sellers across every stage of the sales cycle—before, during, and after discovery calls—by providing actionable insights that move deals forward. 

• For Account Executives: Pepsales AI transforms the discovery process, ensuring objective deal qualification and frictionless handoffs to solution engineers—enabling AEs to focus on winning, not chasing.
• For Solution Engineers and Consultants: It elevates demo experiences by delivering real-time buyer context and actionable insights, ensuring every interaction is highly personalized and impactful.
• For Sales Leaders: It provides enterprise-grade intelligence across forecasting, pipeline health, team performance, coaching, and the authentic voice of the customer—empowering data-driven decision-making at scale.

With Pepsales AI, sales teams run sharper meetings, accelerate deal cycles, and close with confidence.

Role Overview

We’re seeking a passionate Backend Developer to join our fast-paced team in Bangalore and help build and scale the core systems powering Pepsales. In this full-time, on-site role, you’ll work on high-impact features that directly influence product innovation, customer success, and business growth. 

You’ll collaborate closely with the founding team and leadership, gaining end-to-end ownership and the chance to bring bold, innovative ideas to life in a rapidly scaling startup environment

Key Responsibilities

• Design, develop, and maintain scalable backend systems and microservices.
• Write clean, efficient, and well-documented code in Python.
• Build and optimize RESTful APIs and WebSocket services for high performance.
• Manage and optimize MongoDB databases for speed and scalability.
• Deploy and maintain containerized applications using Docker.
• Work extensively with AWS services (EC2, ALB, S3, Route 53) for robust cloud infrastructure.
• Implement and maintain CI/CD pipelines for smooth and automated deployments.
• Collaborate closely with frontend engineers, product managers, and leadership on architecture and feature planning.
• Participate in sprint planning, technical discussions, and code reviews.
• Take full ownership of features, embracing uncertainty with a problem-solving mindset.

Required Skills & Qualifications

• 2–7 years of backend development experience with a proven track record of building scalable systems.
• Strong proficiency in Python and its ecosystem.
• Hands-on experience with MongoDB, Docker, and Microservice Architecture.
• Practical experience with AWS services (EC2, ALB, S3, Route 53).
• Familiarity with CI/CD tools and deployment best practices.
• Strong understanding of REST API design principles and WebSocket communication.
• Excellent knowledge of data structures, algorithms, and performance optimization.
• Strong communication skills and ability to work in a collaborative, fast-paced environment.

What We Value

• Excitement to work on cutting-edge technology and platforms , helping redefine how businesses engage and convert customers.
• Thrives in a dynamic startup environment that values diversity, rapid innovation, and a growth mindset—adapting to change, challenging the status quo, and making a real impact.
• Passion for ownership beyond coding, contributing to product strategy and innovation.

Why Join Pepsales?

• Direct access to founders and a voice in high-impact decisions.
• Opportunity to shape a next-gen AI SaaS product transforming sales worldwide.
• Exposure to cutting-edge technologies in a rapidly growing startup.
• Ownership-driven culture with fast career growth and learning opportunities.
• A collaborative, innovation-driven environment that values creativity and problem-solving.

Job Title: .NET Developer

Location: Pan India (Hybrid)

Employment Type: Full-Time

Join Date: Immediate / Within 15 Days

Experience: 4+ Years

Deqode is looking for a skilled and passionate Senior .NET Developer to join our growing tech team. The ideal candidate is an expert in building scalable web applications and has hands-on experience with cloud platforms and modern front-end technologies.

Key Responsibilities:

• Design, develop, and maintain scalable web applications using .NET Core.
• Work on RESTful APIs and integrate third-party services.
• Collaborate with UI/UX designers and front-end developers using Angular or React.
• Deploy, monitor, and maintain applications on AWS or Azure.
• Participate in code reviews, technical discussions, and architecture planning.
• Write clean, well-structured, and testable code following best practices.

Must-Have Skills:

• 4+ years of experience in software development using .NET Core.
• Proficiency with Angular or React for front-end development.
• Strong working knowledge of AWS or Microsoft Azure.
• Experience with SQL/NoSQL databases.
• Excellent communication and team collaboration skills.

Education:

• Bachelor’s/Master’s degree in Computer Science, Information Technology, or a related field.

Remote position

Full-stack developer | .NET Core + Angular

Are you...

• Interested in working at a successful, well-funded scale-up where every team member can make a huge contribution?
• Keen to make software that people will use every single day to make their lives easier?
• Excited to work on greenfield projects with responsibility and independence?
• Ready to develop and use your skills across our frontend, backend and mobile offerings?
• Meticulous about quality, and gifted with a strong desire to write beautiful code?

About the company

KeyNest solves the key exchange problem for Airbnb users. Our worldwide network of over 4,000 shops store keys so that Airbnb guests / cleaners / contractors can pick them up whenever is convenient for them. As a global partner of Airbnb we’ve checked-in over 2 million guests.

Why we need you

As the entire Airbnb ecosystem increasingly relies on KeyNest, our customers expect us to integrate additional features without reducing the ease of use that our customers love. This is why we continue to invest in beautiful, intuitive user interfaces that integrate with every tool and are used by our customers, their guests and staff, as well as our own staff.

A product manager, a team lead, two full-stack developers, one mobile developer, and a UX designer make up our product team. Who will serve as your mentor. We are looking for a developer who cares about how their code affects users so that we can work together.

With a genuine passion for high quality work, attention to detail and readiness to own your own projects, you will be looking for a new and exciting challenge which allows you to use your experience to drive change and maintain the high standards of our organisation.

Our Tech Stack

• C# MVC modern tech stack
• .Net Core
• Front end web in TypeScript & Angular
• Test Driven Development (TDD) and follow SOLID design principles.
• EF 6.0
• SQL Server 2017
• Agile experience (Scrum, Kanban)
• TFS
• Cloud hosted in Azure with micro-services architecture

Your qualities

• 5+ years experience in C#
• Experience with .NET core
• Front-end web experience in Angular and CSS
• Track record of building great products
• You’ll love the idea of being a big part of a small team. Current team size is 5.
• Motivation and ambition to succeed in a fast-paced environment
• Not afraid to take on responsibilities

What we offer

• Crucial role in a funded, dynamic & fast-growing scale-up shaking up the sharing economy
• Competitive salary based on relevant experience
• Flexible working for our most committed staff
• Unparalleled opportunities to develop your career as the company develops rapidly

If you want to join the KeyNest team, please get in touch – we look forward to meeting you.

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

Job Description :

We are looking for a Full Stack Developer specializing in Angular JS, NodeJS, and React Native, who is extremely hands-on and can take charge of the complete Web Development process to deliver unique & customer-centric web applications.

Skills :

- PRIMARY SKILLS NEEDED: NodeJS, AngularJS, React JS

- MySQL and NoSQL DB (like MongoDB/Cassandra) - MUST HAVE.

- jQuery, JSON, AJAX, web services/REST, SQL.

- JavaScript frameworks like NodeJS, AngularJS, ReactJS, Jasmine or Ember, etc., or JS-based build tools like Grunt, Gulp, and Bower.

- Working knowledge of Apollo, GraphQL, and Moment.js is an advantage.

- UX or UI designing experience is an advantage.

Experience :

- 3+ years of Full Stack Application development experience is a must.

- Deep understanding of client-side development, coding in HTML5, CSS3, JavaScript ES6, and jQuery.

- Strong experience using a client-side MVC framework such as NodeJS, React JS, NextJS, Redux, and AngularJS.

- Topnotch programming skills and writing code for robust software design.

- Experience in responsive design, cross-browser compatibility, and website performance.

- Experience in object-oriented design skills.

- Aggressive problem diagnosis and creative problem-solving skills.

- Experience with Git.

- Experience with handling Services, RESTful, and APIs.

- Knowledge of frontend CSS frameworks like Bootstrap, Material UI, and preprocessors like SASS and LESS.

Responsibilities :

- To work with a cross-functional software development team on highly visible strategic projects as an expert-level individual contributor to the coding tasks assigned.

- Responsible for the development of highly responsive, web-based UI in a flexible and well-structured front-end architecture.

- Experience working with remote data via REST and JSON

- Experience with third-party libraries and APIs (Google APIs etc.)

- Produce well-designed efficient code in a timely manner to meet delivery timescales/milestones.

- Mentor other developers on software best practices and technical guidance and help grow their software development skill sets.

- To proactively stay plugged into emerging technologies/industry trends and apply them to operations and activities.

- Should demonstrate the ability to handle multiple projects simultaneously, manage priorities and communicate progress effectively.

Company Profile:

Saffron Tech Private Limited

Saffron Tech is a result driven digital transformation company in New Jersey (NJ) & New Delhi. We are known for transforming businesses to digitization. We are providing development services and IT solutions to its clients across the globe. Being in the field of IT for more than 10 years now, the company has successfully executed over 1500 projects for its clients. Saffron Tech Pvt Ltd is a multi-faceted IT firm adept at providing Web and Mobile Application Development, IT Offshore Staffing and Digital Marketing Services.

We are servicing over 500 clients from across the globe. We are a strong 150+ member family at the moment working from state of the art office premises close to Saket, South Delhi. Our primary operational markets are USA, UK, APAC and Middle East. To know more about us and our brands please visit http://www.saffrontech.net/" target="_blank">http://www.saffrontech.net/

• Collaborate well with engineers, researchers, and data implementation specialists to design and create advanced, elegant and efficient systems
• Good experience as a MEAN Stack Developer.
• In depth experience in  NodeJS, ExpressJS, Angular, Mongo DB, JavaScript.
  
• Experience implementing applications using Angular 1 or React
• 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 one-year experience with MEAN Fullstack paradigm.

Key Responsibilities:

· You’ll be actively involved with development of server backend that support mobile apps.

· You’ll be architecting and implementing best-in-class complex ‘real time’ web software and/or messaging systems to power highly scalable apps for users.

· Translate high level business problems into scalable design and code. Create libraries & Utilities for larger consumption.

· Work closely with UI/UX designers to create exciting user experiences and ensure delivery of graphic assets as per modern web standards.

· You’ll be continuously keeping an eye on the latest cutting-edge technologies and leveraging these in one’s own and the team’s work as necessary.

· Care about the business results of what you build, not just the elegance of the technology you build.

· Work on the end to end stack (Platforms, UI, distributed systems, databases) rather than specialize in one area.

· And of course, get hands dirty by writing server-side code for mobile-based applications, create robust high-volume production applications, and develop prototypes quickly.

Eligibility

Desired Candidates Profile:

• 5+ years of experience on Node.js based web applications and systems development.
• Strong knowledge of MEAN, Linux/UNIX based development & client-side JavaScript/jQuery.
• Knowledgeable on ORMs, their utility and limitations.
• Knowledge of web services and serialization techniques like REST, SOAP, XML & JSON.
• Knowledgeable about caching mechanisms & tools like memcache, CDNs, nginx.
• Scripting experience in using Shell/Python for creating quick technology solutions to problems.
• Prior expertise of working with AWS Cloud, CDNs and other PAAS based services.
• A strong penchant for Object-Oriented Design.
• Experience of working with version control, bug tracking, continuous integration and other productivity enhancement software like SVN, Bugzilla, Jira etc.
• Prior experience in implementing Agile software methodologies.
• Passionate about software development & modern-day web technologies like:
• Server-Side JavaScript – Node.js, Backbone.js
• Web Sockets
• NoSQL based databases like MongoDB/Couchbase/Redis
• Big Data
• Taking responsibility and ownership in the team’s work.

Additional Requirements:

• B-Tech/BS/BE/BS/MS/M.Tech/MS in Electronics or Computer Science from a premier institute in India (IITs, BITS, NITs etc) or abroad.