Senior Mern Stack Developer

Position Overview:

We are seeking a highly skilled and experienced Senior Software Developer with a strong background in front end development to join our team. The ideal candidate will have over 6 years of experience in developing web and mobile applications using React JS, React Native, Angular, and other modern technologies. You will be responsible for leading complex projects, interacting with clients, and working in a team-oriented environment.

Key Responsibilities:

• Develop and maintain mobile and web applications using React JS and React Native. • Handle DevOps tasks using tools such as Filezilla and PuTTY. • Collaborate with clients to understand their requirements and translate them into technical solutions. • Lead the design, development, testing, and deployment of applications. • Integrate third-party services such as Google Maps, Firebase, and payment gateways. • Ensure responsive UI design and integration of RESTful APIs. • Work on hybrid mobile application development for both Android and iOS platforms. • Manage system design and development, including error handling, exception management, and logging. • Perform code reviews, testing, and release management. • Utilize tools like Git, Azure DevOps, and various IDEs for development and project management.

Required Qualifications:

• Primary Skills: React JS, React Native, Angular (4+ years of experience). • Experience with iOS (Xcode) and Android (Android Studio). • Programming Languages: JavaScript, TypeScript, HTML, CSS, PHP. • Frameworks and Libraries: Redux, jQuery, Ionic (3/4), AJAX. • Databases: MS SQL Server, MySQL. • Development Tools: Sublime, Dreamweaver, Visual Studio, Xcode. • Experience with design patterns, code reviews, and testing. • Domain booking, hosting, domain migration, cPanel, PhpMyAdmin. • Familiarity with Git and Azure DevOps. • Proven track record of working on complex projects and delivering high-quality solutions. • Experience in integrating third-party APIs and handling DevOps tasks. • Strong understanding of responsive UI design and lifecycle management.

Role Description

This is a full-time on-site role for a Python Full Stack Developer located in Pune. You will be responsible for end-to-end development of scalable, AI-driven web applications. Day-to-day tasks involve architecting asynchronous backend services using Python and FastAPI, building dynamic user interfaces with ReactJS, and managing cloud infrastructure on AWS. You will collaborate with data scientists and product teams to integrate AI models into enterprise solutions while ensuring high performance and reliability.

Key Responsibilities

1.      Design and develop high-performance asynchronous APIs using Python and FastAPI.

2.      Build responsive, interactive frontends using ReactJS, HTML, CSS, and Tailwind CSS.

3.      Implement distributed task queues and caching mechanisms using Celery and Redis.

4.      Architect and optimize databases, managing both structured (PostgreSQL) and unstructured (MongoDB) data.

5.      Deploy and manage infrastructure on AWS (EC2, Lambda, S3) and maintain CI/CD pipelines for automated deployment.

6.      Integrate AI/ML models into production workflows and optimize system performance for scalability.

7.      Ensure application security, data privacy, and code quality through best practices and regular testing.

Required Skills & Qualifications

1.      3–5 years of experience in full-stack development with a strong focus on Python.

2.      Proficiency in FastAPI and deep understanding of asynchronous programming (asyncio).

3.      Solid experience with ReactJS, HTML, CSS, JavaScript, and Tailwind CSS.

4.      Hands-on experience with Celery and Redis for background task processing.

5.      Working knowledge of AWS services and containerization tools like Docker.

6.      Proficiency in database management using PostgreSQL and MongoDB.

7.      Experience setting up CI/CD pipelines (Jenkins, GitHub Actions, etc.) and version control (Git).

8.      Strong understanding of RESTful API design, microservices, and security best practices.

Design and develop scalable web applications using MEAN/MERN stack.

Build & optimize AI/LLM workflows using LangChain or LangGraph.

Implement vector storage & semantic search using FAISS / Pinecone / Chroma / Milvus.

Build APIs, microservices, and integration layers.

Optimize application performance and ensure code quality.

Collaborate with cross-functional teams (product, design, backend, DevOps).

Must-Have Skills

• Strong experience in Node.js, Express.js, MongoDB, and Angular/React.
• Hands-on experience in LLM apps, RAG pipelines, Vector Databases.
• Practical knowledge of LangChain / LangGraph.
• Experience with REST APIs, authentication, and integrations.
• Solid understanding of Git, CI/CD, and cloud platforms (AWS/Azure/GCP).

Position: Full Stack Developer

Location: Baner, Pune

Experience: 2+ Years

If you are an analytical problem solver with strong Web Development knowledge and a passion for teamwork and innovation, we have the perfect job for you! We are looking for a Full Stack Developer to join our award-winning, talented team, building global software products for the automation of drones for various commercial applications.

About FlytBase

At FlytBase, we’re not just creating a product—we’re on a zero-to-one journey, building a whole new global category that’s never existed before.

‍

What does that mean? We’re on a mission to unlock the world’s third dimension with fully autonomous drones. It’s the first of its kind. Therefore, everything we do requires first-principle thinking, bold experimentation, and a willingness to push boundaries.

If you’re bored of cookie-cutter playbooks and ready for something fresh, exciting (and yes, involving drones), this is your place.

‍

Don’t believe it? Challenge us—We’d be more than happy to tell you why we’re so confident in what we’re building!

Role and Responsibilities:

• Work as part of an agile team developing applications, designing sprints, and leading the team in ensuring deliveries are met.
• Design and implementation of low-latency, high-availability, and high-performance applications.
• Ensure code modularity with micro-services architecture. 
• Ensure best practices in Web application development.
• Participate in the complete software development lifecycle and write code that is maintainable, clear, and concise.
• Manage application deployment in AWS, considering security, scalability, and reliability.
• Manage/evolve automated testing setup for the backend and frontend for faster bug reporting and fixing.
• Contribute to team and organizational improvements in process and infrastructure.
• Learn about the domain and competitors to propose new features and help in product improvement.

Best suited for candidates who

• Experienced as a MEAN/MERN Stack developer.
• Strong expertise with Angular 2+ / ReactJS, NodeJS, ExpressJS, Socket.io.
• Understanding of fundamental design principles behind a secured, scalable, production-ready application development and deployment.
• Great interpersonal and communication skills.
• Understanding of Git, and CI/CD practices.

Our Client is focused on democratizing Insurance through technology. It is a cloud-based platform connecting distributors to the Insurance Ecosystem to sell and manage Insurance programs. They are creating a middleware connecting consumers, traditional insurance institutions, intermediaries, and service partners on a single platform. Basically, give distributors the ability access to the entire Insurance ecosystem via 1 API / 1 platform.

Their goal is simple - Provide a new way to do Insurance, which is secure, easy, and focuses on the consumer while staying compliant with the frameworks laid down by the regulator.

Description

This is a mission-critical role. They are a small, diverse, agile and high-performance, engineering team. They are looking for versatile developers who will:

• Innovate their existing product and work on creating tools that crunch integration times and time to market
• Improve through peer-learning and transmit them to the firm's dev ecosystem.
• Take ownership and get the job done.

They are clear. They need role shapers, not role takers.

Key Responsibilities

• You will be responsible for design, development and delivery our web-based application in an agile manner built on Java Spring Boot, React, My SQL and Mongo DB.
• You will be expected to write code on day-to-day basis while testing it on real world use cases
• You will be an independent owner of your feature on the platform.
• You will be a part of the core software development team and are expected to participate in all development cycles.
• You will be responsible for closure of business requirements end-to-end by working cross-functionally and will be expected to mentor and drive other members of the team.

Requirements

• Bachelor's degree or higher in Computer / Technology domain.
• 4-7 years of relevant work experience, preferably in a start-up environment/ building SaaS products.
• Excellent coding skills with ability to deliver in a hyper growth phase.
• Hands on experience in JAVA and practical experience in developing and designing scalable software solutions.
• Excellent Problem-solving skills & understanding of data structures in a complex environment.
• Extensive experience in Spring, Hibernate and SpringBoot
• Experience in building REST Services
• Experience in integrating third party APIs (Payment gateways, SMS gateways, Accounting software APIs, APIs of CRM tools etc.) into web applications
• Experience in working with SQL and no SQL DBs (Preferably Mongo DB)
• Working knowledge of Kubernetes and Docker is a plus
• Knowledge of how insurance processes and past experience in working on insurance applications is a plus.

Your Day-to-Day Role:

• Design and implement web applications from initial concept, architecture design, to completed, operational software.
• Lead complex engineering tasks where you’ll act as the technical authority.
• Contribute to code reviews and continuous integration.
• Adapt and apply cutting edge technologies.
• Collaborate with other engineers, designers, and product owners to define elegant customer solutions.
• Ensure robustness by writing automation tests for your code.

What Are We Looking For:

At least 3 years of professional experience in Fullstack development.

Mandatory Technical Skills

• Robust experience in MERN Stack (MongoDB, ExpressJS, ReactJS, NodeJS). Expertise in ReactJS, Redux, HTML, CSS.
• Proficiency in Javascript (ES6) and TypeScript.
• Hands-on experience in Socket Implementation.
• Solid understanding of GIT and its workflows.

Good to Have Skills (Optional)

• Familiarity with Material UI.
• Experience with HTML Canvas APIs (Ex: KonvaJS for canvas drawing).
• Basic understanding of AWS services (S3, Redis, Lambda, Messaging services, etc.). 

Skills Required

• 8+ years of industry work experience
• Proven experience as a Full Stack Developer or similar role
• 3+ years of web application development with JavaScript as full stack
• Full stack experience designing and building scalable applications from end-to-end 
• 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 Design and 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
• Experience in performance tuning
• Knowledge of code versioning tools such as Git, Mercurial or SVN.
• Open minded to take up any challenge, research and provide solutions 
• Great attention to detail
• Testing libraries – jest, testing-library is plus
• TDD / BDD experience is plus
• Experience with AWS, K8S, CI/CD is plus
• Familiar with SDLC methodologies like SCRUM, AGILE, Continuous Integration

• Design – Analyze, design & document the system / solution based on the business needs which is scalable, resilient and maintainable with low overhead for both client and server side
• Problem solving – Solve the challenges and problems faced by team by guiding and team with best practices
• Coordinate - Communicate system requirements to developers; explain system structure to them and provide assistance
• Code Reviews – Perform code reviews 
• Planning – Plan and assign tasks to team members
• Develop – Develop micro services and micro frontends

Work Environment Details:

Founded in 2011 and trusted by companies across 70 countries and more, KnowledgeHut is the skills solutions provider that organizations and individuals the world over count on to innovate faster and create progress.
We help technologists master their craft and take control of their careers. We empower businesses everywhere to build adaptable teams, speed up release cycles and become scalable, reliable, and secure.  
Our mission to democratize technology skills is what drives us, and our values are at the helm of how we work together. We thrive in an environment with creativity around every corner, challenges that keep us on our toes, and peers who inspire us to be the best we can be.  
If you have the development skills required and are excited to come to work every day knowing you’re helping our customers build the skills that power innovation, we want to hear from you!

Job Description:

In this role, you will:

• Be responsible for building APIs, coding, documenting and maintaining scalable web/mobile applications in a fast-paced environment
• Be involved in conceptualization of IOT product features & AI Model Integrations, designing, development and debugging in the real-time environment
• Collaborate with multiple stakeholders to deliver products in an agile environment
• Continuous Integration and Continuous Deployment

Required Skills :

• Good understanding of Data Structures &Algorithms with strong analytical skills.
• Deep understanding of javascript and web fundamentals like HTML, CSS3, Boostrap 3, SDKs, cookies, Sockets,
• Experience in programming languages: nodejs, python, java, Angular/React JS,
• Knowledge of Relational and Non-relational Databases and Cache like MySQL, Mongo, Elasticsearch, Redis etc
• Knowledge of RESTful paradigms and to experience building/consuming APIs, microservices & system design architecture
• Experience in client side technologies like JavaScript, jQuery, Typescript and React JS.
• Good in Building UI/UX of web application and integration of backend and frontend
• Capable of hosting AI model on AWS cloud by developing APIs

Desired Skills:

• Ability to break complex projects into modules and propose effective solutions in view of capabilities of existing platforms and infrastructure.
• Experience in managing build/deployment pipelines for continuous integration and continuous delivery to improve the quality and availability of products & services.
• Understanding of cloud architecture and cloud deployments - AWS SQS, Lambda, EC2, S 3, Azure, other cloud technologies

Our ideal candidate is comfortable collaborating with Product Owners, UX and UI Designers, Data Scientists and senior technical team members to build sound solutions to complex business challenges. A Self-starter and problem-solver will thrive in this position.

You should be strong JavaScript developer comfortable in all areas of the software development lifecycle and have experience with React, Node, Mongo, MySQL and Express in a scalable production environment. Some Python and familiarity with AWS would be welcomed.

Focus Areas and Core Responsibilities

Accountable for day-to-day implementation and launch of product roadmap features and updates.

Collaborate with Data Science, Tech and UX teams to create systems design and information architecture based off of user stories and requirements. Ensure test cases are properly written.

Maintain and work on the continuous improvement and development of company tools.

Coordinate with dev ops and QA to ensure continuous integration and deployment of production ready code.

Skillset, Qualifications, and Experience

• 5+ years of web application development experience including strong working knowledge of JavaScript, ReactJS, NodeJS, Mongo and Express.
• Familiar with asynchronous programming and object-oriented programming best practices. Must have prior experience with MVC design pattern
• Experience with node and linux commands necessary for debugging installations and deployment locally and on cloud services such as AWS
• Strong familiarity with a variety of APIs and RESTful interfaces
• Familiar with various methods for performance optimization
• Ability to work with UX/UI team to create a frictionless user experience and pixel perfect web components and data visualizations
• Experience integrating security best practices into the SDLC
• Expert level Git, including branching and best practices to resolve merge conflicts
• 1+ years of Agile development experience
• Experience manipulating and working with data in a variety of forms: csv, xml, json, structured and unstructured
• Excellent communicator who can work independently and be a team player
• Passion for Technology: excitement for new technology, bleeding edge applications, and a positive attitude towards solving real world challenges