
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.

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We are looking for a Automation Software Engineer to join the core team that is building our latest cloud security product - Prisma SaaS. This fast-growing cloud service provides next- generation security for enterprise SaaS applications such as Box, Dropbox, GitHub, Google Apps, Slack, Salesforce and many more. Prisma SaaS enables organizations to store terabytes of sensitive data in these applications while preventing any security threats to their cloud. This role will also give you a unique opportunity to collaborate with many of our supported SaaS vendors and build skills to influence every aspect of delivering an enterprise-class cloud security service.
Bring your backend java cloud engineering skills to work on the latest cloud software/web applications. Help us deploy and scale the next generation of cloud security utilizing big data. Keys to Success: Experience building Micro Service, REST API, Big Query, Elastic-search, and AWS SQS.
With a great fit having:
● Strong expertise with React
● Strong expertise with RSpec
● Strong experience with Python
● Experience in End to End Testing automation for UI
● Experience in Unit/Integration testing of APIs
● Strong expertise with MongoDB and ElasticSearch
● Working knowledge of Docker
● Strong experience with open source tooling
● Bachelor’s Degree and/or equivalent relevant experience in a technical field
Your Impact:
- Responsible for complete software development process including End-to-End Automation for UI
- Write clean, testable, readable, scalable and maintainable code that scales and performs well for thousands of customers.
- Participate actively and contribute to design and development discussions.
- Develop proven understanding and be able to explain advanced Cloud Computing and Cloud Security concepts to others
Your Experience:
● Strong expertise in latest UI technology
● Strong Experience in Python
● Collaborate with UX/UI designers and product designers to build user-friendly, immersive, reactive applications
● 5+ years of software data integration experience.
● 5+ years of Javascript, HTML, and CSS.
● 5+ Working knowledge of React, Angular or an equivalent MVC framework.
● 5+ Experience with the API toolset: REST, HTTP, GraphQL, JSON, XML, Postman, etc.
● Experience in SQL, MongoDB, ElasticSearch.
● Experience with Git, Continuous Integration, and Continuous Delivery mechanisms
● Experience with RSpec.
● Big Plus if you have CASB or general SaaS application experience.
● Big plus if you have experience with Data Security application.
The notice period is 30 days or less.
Position: Software Engineer / Senior Software Engineer
Experience: 4+ years
Job Location: Chennai
Position Type: Full time / Permanent
Qualification: Any graduate
Job Description :
We are looking for a Front-End Web Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.
Responsibilities :
- Develop new user-facing features
- Build reusable code and libraries for future use
- Ensure the technical feasibility of UI/UX designs
- Optimize application for maximum speed and scalability
- Assure that all user input is validated before submitting to back-end
- Collaborate with other team members and stakeholders
Skills :
* Proficient understanding of web markup, including HTML5, CSS3. * Good programming experience building .Net web application.
* Basic understanding of server-side CSS pre-processing platforms, such as LESS and SASS.
* Proficient understanding of client-side scripting and JavaScript frameworks, including jQuery.
* Good understanding of asynchronous request handling, partial page updates, and AJAX.
* Basic knowledge of image authoring tools, to be able to crop, resize, or perform small adjustments on an image.
* Familiarity with tools such as as Gimp or Photoshop is a plus.
* Proficient understanding of cross-browser compatibility issues and ways to work around them.
* Proficient understanding of code versioning tools, such as Git / Bitbucket.
* Good understanding of SEO principles and ensuring that application will adhere to them.
WE ARE GRAPHENE
Graphene is an award-winning AI company, developing customized insights and data solutions for corporate clients. With a focus on healthcare, consumer goods and financial services, our proprietary AI platform is disrupting market research with an approach that allows us to get into the mind of customers to a degree unprecedented in traditional market research.
Graphene was founded by corporate leaders from Microsoft and P&G and works closely with the Singapore Government & universities in creating cutting edge technology. We are gaining traction with many Fortune 500 companies globally.
Graphene has a 6-year track record of delivering financially sustainable growth and is one of the few start-ups which are self-funded, yet profitable and debt free.
We already have a strong bench strength of leaders in place. Now, we are looking to groom more talents for our expansion into the US. Join us and take both our growths to the next level!
WHAT WILL THE ENGINEER DO?
- Primary Purpose: As part of a highly productive and creative AI (NLP) analytics team, design and develop web applications and SPA’s i.e., UI/UX, and underlying backend – API’s, security framework, scalable microservices etc.
- Daily Grind: Interface with the product manager, project managers, and the engineering team to achieve sprint goals on the product roadmap.
- Career Progression: Senior Full Stack Engineer, Technical Architect
YOU CAN EXPECT TO
- Work in a product-development team capable of independently authoring software products.
- Guide junior programmers, set up the architecture, and follow modular development approaches.
- Design and develop code which is well documented.
- Optimize of the application for maximum speed and scalability
- Adhere to the best Information security and Devops practices.
- Research and develop new approaches to problems.
- Design and implement schemas and databases with respect to the AI application
- Cross-pollinated with other teams.
HARD AND SOFT SKILLS
Must Have
- Problem-solving abilities
- Extremely strong programming background – data structures and algorithm
- Angular/React, Strong UI/UX skills
- Very strong python background, TDD, CI/CD,
- Software design skills i.e., OOPs, design patterns
- SQL, NoSQL – design of schemas and databases
- Microservices architecture, Cloud native apps
Good to Have
- Enterprise Design Patterns
- Distributed Systems
- Exposure to ML and Data Science
- Docker, Kubernetes, AKS, Kafka, Graph databases
- Should have expert level knowledge to Design, Develop and test Web Apps with Angular versions 6 and above.
- Primary Skills – Angular6+, HTML, CSS3, JavaScript.
- Node JS as backend will be advantage
- Knowledge of Mongo, MySql will be advantage
- Highly skilled at front-end engineering using Object-Oriented JavaScript, TypeScript, various JavaScript,TypeScript patterns and frameworks.
- Should have experience in publishing and consuming Services using REST API
- Excellent time-management, multi-tasking, and communication skills. Capable of handling multiple projects and related complexities at the same time.
Responsibilities
• Translate business requirements and use cases into functional applications.
• Design, build and maintain efficient, reusable, and reliable Ruby and Golang code.
• Review, test, and verify code for adherence to quality and security standards.
• Ensure the best possible performance, quality, and responsiveness of the applications.
• Help maintain code quality and organization.
• Develop user-friendly web applications using React
• Build marketing-related features
Requirements
• You've got 4+ years of development experience.
• You've worked with frameworks like React, Redux, Webpack, etc.
• You're an expert in Ruby, Golang and Rails framework
• You're an expert in writing background tasks, test-driven development.
• Data-driven product development is kinda your thing.
• You're committed to quality, and your code solves more problems than it creates.
Job Summary
3-4 years of PHP, MySQL development experience
Minimum 1 year of Drupal 8 development experience
Experience in developing custom module and themes in Drupal 8
Good to have experience in panel-based theme development
Basic knowledge of Git
Basic knowledge of HTML5, JS and CSS
Basic knowledge of Linux system to deploy code on the test server








