MERN stack developer

About Us

21 Knots is a design, engineering, and consulting firm providing services to the global maritime and oil & gas industry. In an industry constantly evolving due to dynamic regulations, economic fluctuations, and climate change mandates, we strive to deliver cutting-edge solutions with an unwavering commitment to excellence. Our comprehensive services are designed to create value for our esteemed clients while enabling them to achieve their business goals.

The Role

We’re looking for a skilled and motivated Software Developer to join our team at 21 Knots. Someone with backend development with a working knowledge of frontend technologies. The ideal candidate will have a strong command of backend frameworks such as Django, FastAPI, or Flask, and familiarity with frontend tools like HTML, CSS, JavaScript, and optionally React, Angular, or Vue. You will play a key role in building, maintaining, and optimizing scalable software solutions while collaborating with a team

Responsibilities

• Develop,test, and maintain backend services using Django, FastAPI, or Flask.
• Design and implement RESTful APIs for web and internal tools.
• Work with relational and non-relational databases such as PostgreSQL, MySQL, or MongoDB.
• Optimize application performance and implement backend security best practices.
• Collaborate with frontend developers, designers, and cross-functional teams to deliver high-quality solutions.
• Write clean, maintainable, and well-documented code.
• Support basic frontend development tasks using HTML, CSS, and JavaScript.
• Work with modern frontend frameworks like React.js, Angular, or Vue (good to have).

What You’ll Need

Experience:

• 1–4 years of hands-on experience in backend development.
• Exposure to full-stack development environments.
• Experience working with RESTful APIs, databases, and cloud integration is a plus.

Education:

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

Tools & Software Proficiency:

• Proficiency in Django, FastAPI, or Flask.
• Familiarity with PostgreSQL, MySQL, or MongoDB.
• Basic knowledge of frontend technologies: HTML, CSS, JavaScript.
• Exposure to Bootstrap or Tailwind CSS for responsive UI design.
• Good to have: experience with React, Angular, or Vue.
• Familiarity with cloud platforms (AWS, Azure, or GCP) and Agile/Scrum methodologies is an added advantage.

Skills & Competencies:

• Strong problem-solving and debugging skills.
• Understanding of RESTful architecture and secure coding practices.
• Ability to collaborate in a cross-functional environment.
• Good verbal and written communication skills.

Job Summary:

As a MERN Stack Developer, you will be responsible for designing, developing, and maintaining robust full-stack applications using MongoDB, Express.js, React.js, and Node.js. With 5+ years of experience, you’ll work closely with cross-functional teams to deliver secure, performant, and user-friendly solutions.

Key Responsibilities:

• Build end-to-end web applications using the MERN stack
• Write clean, maintainable, and efficient code
• Integrate RESTful APIs and third-party services
• Optimize applications for maximum performance and scalability
• Collaborate with product, QA, and DevOps teams throughout the SDLC
• Participate in code reviews, troubleshooting, and improvement initiatives

Required Skills & Qualifications:

• 5+ years of experience in full-stack development with MongoDB, Express, React, and Node.js
• Strong JavaScript/TypeScript skills (ES6+)
• Solid understanding of RESTful APIs, MVC architecture, and microservices
• Experience with Git and Agile methodologies
• Familiarity with responsive UI/UX best practices

Preferred Skills:

• Exposure to cloud platforms like AWS or Azure
• Experience with CI/CD pipelines and testing frameworks like Jest or Mocha
• Familiarity with containerization tools like Docker/Kubernetes

Job Description :

● Designation : Full Stack Developer

● Industry : Software Development

● Role category : Software Developer

● Education : Graduate

● Total Experience years : 3-5 Years

● Relevant Experience years : 3-5 Years

● Main skill require: : Python, Django, Javascript, react.js

● Gender : Male / Female

● Salary range : 6L to 12 L Per annum

● Job location : Navi Mumbai / Bangalore

● Office time : 11 AM to 8 PM

Hiring Process:

Following are some guidelines for the hiring process. It lists out the

expected experience and skill set required for the position. In terms of

the hiring procedure, our first step involves arranging a video

interview with the candidates who have been shortlisted.

Subsequently, we will proceed to schedule an in-office interview.

Resume Requirements

● Detailed Technical Skillset

● Detailed description of the Project

● Description of the modules/system which the developer was directly

involved in the Development.

Additional Attributes, if available

● Description of Technical Challenges faced and It’s implementation

● Link to their Code Repository (github, bitbucket etc)

● Link to the project

Full Stack Developer

Experience Requirement :

3-5 years of experience in Javascript, ReactJS and Python/Django

Technical skills Frontend:

● Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

● Thorough understanding of React.js and its core principles, React

Hooks, Context, High Order Components

● Prior experience with popular React.js workflows (such as Flux or

Redux)

● Familiarity with more current specifications of EcmaScript

● Prior experience with data structure libraries (e.g., Immutable.js)

● Familiarity with RESTful APIs

● Familiarity with HTML / CSS

● Experience with common front-end development tools such as Babel, Webpack, NPM, Etc.

Additional Skills – Not Compulsory -

● GIT experience is a plus

● Knowledge of isomorphic React is a plus

● Knowledge of modern authorization mechanisms, such as JSON Web Token

● Familiarity with modern front-end build pipelines and tools

● Ability to understand business requirements and translate them into technical requirements

● A knack for benchmarking and optimization

Technical skills Backend:

We are looking for a Python/Django developer who is well versed in Python language as well as in use of the Django framework. Knowledge of other python web frameworks is an advantage.

Skills needed

● Good understanding of Python language(3 + years experience)

● Proficient in Django Development Framework

● Good understanding of REST Architecture

● Good understanding and experience in writing of regular Expressions

● Familiarity with some ORM (Object Relational Mapper) libraries

● Hands on Experience with deployment of application

● Knowledge of user authentication and authorisation between multiple systems, servers and environments

● Understanding of fundamental design principles behind a scalable & distributed application

The company has been widely recognized as an industry innovator in the Data Privacy, Security space and is being built by proven Cybersecurity executives who have successfully built and scaled high growth Security companies and built Privacy programs as executives.

We are seeking an experienced Senior React Developer with Node Engineer to join our team. The ideal candidate should have at least 7+ years of experience in building scalable web applications using NodeJS and a solid understanding of AWS services. The candidate should also have experience in designing and building large-scale distributed systems.

Responsibilities:

• Design and develop high-quality, scalable, and performant software solutions using NodeJS and AWS services.
• Collaborate with cross-functional teams, including product managers, designers, and other engineers, to identify and solve complex business problems.
• Design and develop large-scale distributed systems that are reliable, resilient, and fault-tolerant.
• Write clean, well-designed, and maintainable code that is easy to understand and debug.
• Participate in code reviews and ensure that all code is of high quality and adheres to best practices.
• Troubleshoot and debug production issues and work with the team to develop and implement solutions.
• Stay up-to-date with new technologies and best practices in software engineering and cloud computing.

Requirements:

• Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.
• At least 5 years of professional experience in building web-based applications using ReactJS and NodeJS.
• Strong experience with React frameworks, including Ant Design.
• Strong understanding of JavaScript, and experience with libraries such as Redux.
• Experience with HTML and CSS, and the ability to create responsive web applications.
• Experience with server-side frameworks such as Express and NestJS.
• Strong understanding of software engineering best practices, including agile development, TDD, and continuous integration and deployment.
• Excellent problem-solving and analytical skills, with the ability to identify and solve complex technical problems.
• Strong communication and collaboration skills, with the ability to work effectively in a team environment.

Title: Full Stack Developer: MERN/MEAN 
Experience:3 - 6 years 

Location: Gurgaon / Hyderabad 

Salary: Competitive as per Industry Standard

We are searching for a talented and experienced web application developer to join a highly agile/scrum development team to develop our next-generation data analytics applications. This is a senior technical role and the successful candidate must demonstrate a proven track record of developing enterprise-grade web front-end using technologies such as MEAN stack, JavaScript, Ajax, and JSON.

Primary responsibilities include:

• Lead and develop web applications and data visualizations for our big data analytics platform. 
• Develop Proof-of-Concept and prototype applications using new technologies and frameworks. In addition to collaborating with internal teams and clients to create innovative solutions. 
• Help establish GUI best practices and JavaScript frameworks for web development
• Provide technology and implementation expertise to domains, projects, or clients 
• Maintain leading-edge knowledge in emerging technologies and frameworks; participate in knowledge sharing and lessons learned sessions from project experiences 

What you need for this position: 

• 3+ Years of relevant experience. 
• Hands-on Expertise in javascript-based frameworks and technologies such as ExpressJS, Angular (all versions), and NodeJS. 
• Experience in building high-performance multi-user web-scale applications and portals. ● Familiarity with visualization libraries like D3 JS, Kibana, etc. 
• Proven experience in developing software using the Agile/SCRUM development methodology. 
• command of web standards, CSS-based design, and cross-browser compatibility. 
• Attention to detail, Dedication, and Problem Solving skills. 
• Knowledge of Elasticsearch, Neo4j / VoltDB / MongoDB / Redis is good to have. 
• Good understanding of developer tools and DevOps such as Git, Ansible, cloud platforms such as AWS, Docker, etc is good to have. 
• Preferred, not mandatory - Prior experience in mobile development (Hybrid app- Ionic/Cordova, React Native)

Our perfect candidate is someone who:

•  Is proactive and an independent problem solver
•  Is a constant learner. We are a fast-growing company. We want you to grow with us!
•  Is a team player and a good communicator

• Experience range – 8 to 12 years

• Good understanding of software engineering practices, SDLC.

• Ability to provide elegant and efficient design solutions
• Strong knowledge on design patterns
• Effective interpersonal skills and collaborative management style to include teamwork and team building ability
• Should have knowledge on API integration mulesoft, Apache Camel tools
• Strong knowledge on providing microservices architecture

ROLES & RESPONSIBILITIES:

• Research, programs, plans, designs, and administers building projects for clients by applying knowledge of architectural design and building materials.
• Produces conceptual plans, renderings, and documents.
• Assists in research and coordination of materials and products for project specifications

Skills Required:

Primary Skills:

• Java, Spring Boot/ Node.js- Backend
• HTML, CSS, JS, React/ Angular- Frontend
• SQL
• Mobile Application Development

Secondary Skills:

• Microservices, Design Patterns
• Cloud- AWS, Azure, GCP
• DevOps tools- Jenkins, GIT Pipeline, etc.- Anyone should be fine
• Maven

We are looking for a highly skilled computer programmer who is comfortable with both front and back end programming. Full Stack Developers are responsible for developing and designing front end web architecture, ensuring the responsiveness of applications, and working alongside graphic designers for web design features, among other duties.

Full Stack Developers will be required to see out a project from conception to final product, requiring good organizational skills and attention to detail.

Full Stack Developer Responsibilities:

• Developing front end website architecture.
• Designing user interactions on web pages.
• Developing back-end website applications.
• 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.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

Full Stack Developer Requirements:

• BE / BTech / MCA / BCA Degree in Computer Science or equivalent.
• Strong organizational and project management skills.
• Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
• Familiarity with JavaScript frameworks such as Angular JS, React, Vue and Amber.
• Proficiency with server-side languages such as Node, Java, PHP, Python and Ruby.
• Familiarity with database technology such as MySQL, Oracle, and MongoDB.
• Excellent verbal communication skills.
• Good problem-solving skills.
• Attention to detail.

• Developer with 3-5 years of well-proven experience in Web UI & middleware REST API development using NodeJS and ReactJS
• Must be well versed with using anonymous functions, Prototypes, Call-back functions, promises in Node JS
• Experience in ReactJS component lifecycle and Redux
• Must be able to create and consume data from REST services.
• Experience in Babel and Webpack
• Must be familiar with Github and GitLab
• Must have strong experience in MYSQL, Postgres relational databases and MongoDB.
• Experience in HTML5, CSS3, SASS, LESS is an added advantage
• Experience in GCP, Azure, AWS cloud technologies is an added advantage
• Familiarity with continuous integration