Web Application Developers

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.

Tech Lead

 Key goals and responsibilities

· Building reusable components and front-end libraries for future use

· Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache

· Ensure best coding practices to build efficiencies and scalability of the tech stack; to be implemented by the team.

· Ensure defect-free software deployment and maintenance thereof.

· Focus on critical trouble shooting issues; be obstacle remover for the team.

· Create and maintain project documentation and tech specs.

· Review the code periodically from technical and security point of view with due recommendations.

· Track team on performance and task management to deliver to timelines and quality.

· Thorough understanding of React.js, Vue Js and its core principles

· Familiarity with modern front-end build pipelines and tools

· A knack of benchmarking and optimization

· Familiarity with code versioning tools such as Git, SVN, and Mercurial

· Good understanding of quality JavaScript code (Object oriented and commonly used design patterns )

· Capable of debugging complex issues in JavaScript

· Understanding of JS debug tools and chrome dev tools

Your key qualifications & competencies:

· Understanding of web markup, including HTML5 and CSS3

· Familiarity with RESTful APIs

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

· Experience with data structure libraries (e.g., Immutable.js)

· At least 5+ years of hands on coding experience

· Strong understanding of OOPS Concepts and data structure

· Have practical knowledge/experience in JAVA , Microservices , Springboot , hibernate and MySQL database

· Have prior experience in scrum and agile methodologies

· Should have 5+ years of experience in modern JavaScript frameworks such as React.js /Vue/AngularJS /Knockout

· Must have experience on AWS, or Google cloud. Must have knowledge of GIT.

· Should have sound understanding of http and REST. Be a proponent of strict code quality standards using JSLint etc.

· Should have atleast 3+ years of leading teams and proven record of adherence to ambitious deadlines.

· Should have strong understanding of object oriented and functional programming in JavaScript.

About

Blend-ed, the brainchild of a team of educationalists and technologists who believe in science-backed learning, is an innovative and technology-rich platform that steps early into the futuristic blended learning system, envisioning a fundamental change in the prevailing conventional teaching and learning cultures. Working with us will be your contribution towards rewriting the history of education and to building the future of learning.

We are looking for a Senior Full Stack Developer to build scalable software solutions in the Ed-tech SaaS domain. In this role, you’ll have the sole responsibility 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 stack, development frameworks and third-party libraries.

Requirement : Technical Lead - Senior Full Stack Engineer.

Location : Bangalore, India.

Work Model : Hybrid

Experience : Preferably 3+ years in a similar role.

Joining Date : Immediate

 Salary : Rs 12,00,000 LPA - Rs 20,00,000 LPA (negotiable) 

Role Expectations & Responsibilities

• Work with product manager/s to ideate software solutions.
• lead the project from conception through implementation.
• Design client-side and server-side architecture.
• Build the front-end of applications through appealing visual design.
• Develop and manage well-functioning databases and applications.
• Write effective APIs.
• Test, Troubleshoot, debug and upgrade software.
• Create security and data protection settings.
• Write technical documentation.
• Strong organizational and mentoring skills.

Required Experience & Skills

• Proven experience as a Full Stack Developer or similar role.
• Experience developing web and mobile applications.
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, React etc.)
• Knowledge of back-end languages (e.g. Python/ NodeJS etc.).
• Familiarity with databases (e.g. PostgreSQL, MySQL, MongoDB), web servers (e.g. Apache, Nginx)

Desirable Experience & Skills

• Experience with Python web frameworks, specifically Django.
• Experience with React is a plus.
• AWS skills with knowledge of EC2, VPC, S3 etc.
• Experience in containerization (Docker) and container orchestration (Kubernetes).

Why Join Us:

At Blend-ed, we are committed to create a diverse work environment with a range of opportunities for professional and personal development of all our employees. We make learning easier, more efficient, more user-friendly and far more accessible, for all sorts of people, all across the world. As a member of team Blend-ed, you will work on most innovative projects that will revolutionise the learning ecosystem and make a real difference in millions of people’s learning experience.

Work Culture: With a task-driven office culture, we believe that optimal productivity is rooted in each individual's pace and strength, rather than rigid timelines. We follow a flexible work culture along with mutual understanding and support.

Growth at a personal level: Each member of our team gets the best nourishment in terms of opportunities, mental and moral support and a stage for their existing and enhancing skills, ensuring your personal growth alongside the company.

Creativity and Innovation: We root for creativity and innovation at work and this is a fixed formula to keep things interesting. You are welcome to lay your craziest ideas on the table or board for us to have conversations and coffee over.

Work Environment: Situated at Calicut, a bustling commercial centre in Kerala, which is emerged as one of the best cities to live in India in terms of education, health, entertainment, and the environment, our workspace in HiLite Business Park, flanked by the mall and residential areas, offers an environment of networking, convenience and class, which promotes an undeniably better life quality & experience.

Our Values For All Times:

Innovate, Always: We are committed to creativity and novelty because anything remarkable ever was born out of those.

Science-driven: We base the technological developments on theories and findings in cognitive science, making learning a richer experience.

Love it? Learn it! At Blend- Ed, learning is limited only by the amount of inquisitiveness and passion for exploring. We believe in unlimited exploration and pride in seeking knowledge at any cost.

Taller, Together: Growth is a teamwork at Blend- Ed. We work towards growing together, packing in the personal growth of each team member into the company's growth, mutual respect, motivation and inspiration ingrained into our conduct.

Better Tomorrows: Along with our dreams and goals of transforming the education system, we envision a better tomorrow for the world. The very idea of a better future is rooted in hope and we nurture it.

Ethics Uncompromised: Our work culture is founded in a code of ethics that preserves smooth relationships within the company and outside it, in order to meet our goals and other values.

 Responsibilities

• Integration of user-facing elements developed by front-end developers
• Build efficient, testable, and reusable PHP modules
• Solve complex performance problems and architectural challenges
• Integration of data storage solutions.

• Strong knowledge of PHP web frameworks (such as Laravel, Yii, CodeIgniter)
• Understanding the fully synchronous behavior of PHP
• Understanding of MVC design patterns
• Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
• Knowledge of object - oriented PHP programming

• At least 2+ years of product development experience with expertise in designing and implementing high-performance java enterprise applications
• Extensive knowledge in Object-Oriented Programming and Design
• Extensive knowledge of Java, Spring, Spring MVC, Spring Boot, Hibernate, Struts
• Exposure to or experience with Git, Bitbucket, Jira, Jenkins etc.
• Experience with HTML/XHTML, CSS, Javascript, AJAX, DOM, Reactjs
• Extensive knowledge in creating and consuming RESTful API
• Extensive knowledge in automated unit testing using JUnit
• Experience in AWS infrastructure
• Knowledge in writing SQL queries and interacting with database systems such as Oracle, SQL Server,
• Thorough orientation towards Code reviews, Coding standards, Design Standards, and Code Documentation
• Knowledge in design patterns
• Knowledge of Data modeling in RDBMS or NoSQL databases
• A proactive approach to identify alternatives for a given problem statement
• Should have worked on enterprise-class applications
• Should have worked in an Agile environment
• Excellent oral and written communication skills