MERN Stack Developer

Key Responsibilities

Develop and maintain scalable applications using MongoDB, MySQL/PostgreSQL, Node.js, Express.js, React.js, and TypeScript.

Design, develop, and optimize RESTful APIs and GraphQL services.

Lead and mentor a team of developers, ensuring best coding practices, performance, and security.

Collaborate with UI/UX designers, product managers, and DevOps teams to streamline development.

Contribute to AI-powered application development (if experienced in AI/ML).

Required Skills & Qualifications

✅ 2.5+ years of experience in MERN stack development.

✅ Expertise in React.js, TypeScript, Node.js, and Express.js.

✅ Strong database management skills with MongoDB, MySQL, or PostgreSQL.

✅ Proven experience in leading development teams and conducting code reviews.

✅ Excellent problem-solving and communication skills.

✅ Bonus: Experience in AI/ML-based applications is a plus.

Why Join Us?

🚀 Exciting Projects – Work on AI-driven and scalable web solutions.

🤝 Leadership Opportunity – Lead and mentor a talented team of developers.

💰 Competitive Compensation – ₹40K - ₹60K per month.

🏡 Dynamic Work Environment – Collaborative, innovation-driven workplace.

We are a Florida-based nonprofit organization seeking a full-time remote AI Programmer to support automation and AI-driven workflows.

Schedule:

42 hours per week

Flexible schedule overlap with EST preferred

Compensation:

$750 to $1,000 + bonus

Long-term contractor role

Responsibilities:

• Build and maintain AI-driven websites, apps, and automation systems
• Work with large language model APIs (OpenAI, Gemini, etc.)
• Improve prompt engineering and structured outputs
• Optimize performance and reliability

Requirements:

• Experience working with APIs (REST, JSON)
• Experience with PHP, React.js, and database systems.
• Familiarity with LLM models and prompt design
• Understanding of automation workflows
• Reliable high-speed internet
• Ability to communicate clearly in English

Preferred (not required):

• Experience with image generation APIs
• Experience with Google Sheets / Apps Script
• Experience deploying lightweight cloud functions

To apply, please reply with:

• Your resume
• Examples of relevant AI or automation work
• GitHub or portfolio (if available)
• Your current location and availability

Qualified applicants will receive a follow-up application link.

• Full-stack developer good at react.js and node.js. 
• Should be good at algorithms 
• Working experience in AWS is a plus

Role: Lead Java Developer

Work Location: Chennai, Pune

No of years’ experience: 8+ years

Hybrid (3 days office and 2 days home)

Type: Fulltime

Skill Set: Java + Spring Boot + Sql + Microservices + DevOps

Job Responsibilities:

Design, develop, and maintain high-quality software applications using Java and Spring Boot.

Develop and maintain RESTful APIs to support various business requirements.

Write and execute unit tests using TestNG to ensure code quality and reliability.

Work with NoSQL databases to design and implement data storage solutions.

Collaborate with cross-functional teams in an Agile environment to deliver high-quality software solutions.

Utilize Git for version control and collaborate with team members on code reviews and merge requests.

Troubleshoot and resolve software defects and issues in a timely manner.

Continuously improve software development processes and practices.

Description:

8 years of professional experience in backend development using Java and leading a team.

Strong expertise in Spring Boot, Apache Camel, Hibernate, JPA, and REST API design

Hands-on experience with PostgreSQL, MySQL, or other SQL-based databases

Working knowledge of AWS cloud services (EC2, S3, RDS, etc.)

Experience in DevOps activities.

Proficiency in using Docker for containerization and deployment.

Strong understanding of object-oriented programming, multithreading, and performance tuning

Self-driven and capable of working independently with minimal supervision

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 Description: Software Engineering –Sr. Software Engineer

Key Responsibilities - Responsible for design, problem solving, develop, modify, debug and/or maintain software system for one or more specific modules within a large software system scope

Must have:

React JS, Java script, Jquery, JSP, Struts, Java, Spring Framework, Database

Preferred Skills/Experience:

• 7+ years of hands-on software development experience in designing and implementing complex, distributed applications.

Knowledge on front end technology is must such as React JS / Angular

• Knowledge and real time experience in Designing, Development, and Maintenance of Scalable, Distributed applications.

• Strong experience in Java, Spring Boot-based application on RDBMS (SQL Server ).

• Hands on experience with frameworks like ReactJS, AngularJS, NodeJS and designing Microservice/Event-driven architecture.

• Experience with cloud migration (AWS or Azure) and managing the development of cloud-based applications and development of APIs, web services.

• Capable of troubleshooting errors, finding root causes, resolving failures in real time.

• knowledge of Relational Databases, SQL and ORM Technologies(Hibernate, JPA, Spring Data).

• Experience with version control and source code management tools such as Git, GitHub and Bitbucket.

• Thorough understanding of Java and J2EE Internals (Class Loading, Memory Management, Transaction Management.).

• Knowledge on creation of CI/CD pipelines using Jenkins, Groovy and GitHub actions workflows.

• Knowledge on working and leading Agile/Scrum development cycles.

• Implement test cases using Junit, Mockito, Cucumber, jest

you should be good in react node and javascript and able to build projects on the same. 

You will be the part of India Accelerator tech team, the best startup Accelerator of india. Great learning and growth opportunity

• Minimum 2 years of experience working as Software/Solution Architect
• In-depth knowledge of enterprise integration patterns
• Expertise to help developing advanced cloud-based solutions like AWS, Google or Microsoft. Ability
• to plan, design and scale AWS cloud based implementations using the best practises recommended
• by Amazon
• Experience in software development and coding in various platforms (like Java, Python, Node.js,
• Angular, Kotlin, React, Swift etc)
• Experience with relational and NoSQL databases
• Experience with enterprise service bus like Mule, Apache Camel is a plus
• Understanding of software quality assurance principles
• Outstanding communication and presentation abilities

• Leads development of solution architecture , preparation of technical plans, in liaison with business
• assurance and project staff
• Develop high-level product specifications with attention to system integration and feasibility
• Working proactively to maintain a stable, viable architecture and ensure consistency of design across
• projects within the programme
• Collaborate with other professionals to determine functional and non-functional requirements for
• new software or applications
• Ensures that technical strategies, policies, standards and practises are applied correctly working
• proactively to maintain
• Use tools and methodologies to create representations for functions and user interface of desired
• product
• Provides guidance on technical aspects of the solution development and integration
• Ensure software meets all requirements of quality, security, modifiability, extensibility etc.
• Ensures that appropriate tool and method are available, understood and employed in the
• architecture development

About the company:

CogniTensor is an analytical software company that brings data to the heart of decision-making. CogniTensor leverages its product, DeepOptics - an integrated platform  to implement 3A (Automation, Analytics and AI) at scale. 

Cognitensor has customers ranging in Finance, Energy, Commodity, Retail & Manufacturing. More details can be found on our website: https://www.cognitensor.com/">https://www.cognitensor.com/

Our strategic investors include Shell and CIIE.CO (IIM-A/Accenture).

Qualification & Experience:

• BE/B.Tech Degree in Computer Programming, Computer Science, or a related field.

• +2 years experience as a Software Developer.

• Hands on experience in developing finance applications is must

Roles & Responsibilities:

We are looking for a Full Stack Developer to produce scalable software solutions. 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. You should also be a team player with a knack for visual design and utility. Along with familiar with Agile methodologies and testing skills

• Work with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Write technical documentation
• Excellent communication and teamwork skills

Technical Skills:

Must Have

• React JS
• Git / Bitbucket, 
• Express JS, Python, HTML, CSS, Node JS
• CI/CD like CircleCI
• Postgres or any DB knowledge
• Familiarity with AWS  or Azure or both 

Good to Have

• Docker
• Redux
• Android development
• React Native
• Electron
• GraphQL
• Jira

What’s in for you:

• An opportunity to lead a business segment
• Extensive liaising with customers and partners
• A rewarding career progression

Preferred Location:

Delhi NCR

Job Description- React Developer

● Requirements-
● Experience: 2+
Having knowledge of React JS. Having knowledge of Node JS Having Knowledge of HTML,
CSS, and JavaScript. Knowledge of web services integration and writing. Need to have strong
R&D power Knowledge of GitHub and Jira. A bit of knowledge of code building and docker
activity.

Profile- NodeJs Developers
Overall Experience- 2+ Years minimum
Pure Node.js Experience- At 1 Years
● Required Skills:- A person who is superb in node.js first and foremost. Needs to understand
the intricacies of promises and the asynchronous programming paradigm.
● A close second is experience in Graphql. Understanding Queries, Mutations and Apollo.
● Tertiary is DynamoDb and Mysql Being able to pick up a non-standard ORM and being able to
program against it.
● Developers must have experience with AWS, and preferably AppSync, Serverless Framework,
Lambdas, Codebuild and Codepipeline
● Experience building Automated Testing Frameworks using selenium, phantomjs, etc. is
preferred