Senior Backend (Node.js) Engineer

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.

Professional development experience, working the Full stack on large scale B2B, SaaS products. • Expertise with learning new technologies and strong experience with our tech stack AngularJS, JavaScript, Node.js, Go, React.js and Postgres. • Bachelor’sin Computer Scienceorsolid knowledgeof CS fundamentals(OOP, designpatterns, algorithms, etc...) • Experience and adesire towork in a fast-paced environment. • We are a leading cloud-based open platform used by some of the most prestigious companies around • You will get to work with some of the most complex technologies on the market today • You will have an opportunity to work at all levels of the organization.

• Key Result Areas

1. End to end ownership in the consumer facing B2C tech team and deliver solutions to solve business problems.

1. Advanced Javascript, CSS, HTML 5, D/XHTML, XML, JSON, DOM Concepts

1. Must have worked on a SPA framework: ReactJS, Node JS, AngularJS or InfernoJS

1. Own the development methodology. Align with the executive team to improve the development process, prioritize projects and manage multiple work streams

1. Extensive Work with open-source technologies and built services architecture as this will prove to be an invaluable asset in building solutions.

1. Lead a team of Software Developers, Server Engineers and QA Engineers, establishing development practices and standards

1. Extensive skill on React JS, Node JS

1. Experience on various PHP frameworks like Cakephp, Laravel, CI etc would be plus

1. Work with scrum teams and product managers using agile methodologies to deliver high quality solutions on time
2. Jumping on a call with clients to understand the requirement and profile them the right solution, helping formulate an effective solution and turning it into a working application
3. Conducting website performance and unit tests
4. Heavy involvement in the requirements gathering, development and operational stages of new projects
5. Troubleshoot and debug related application defects with existing and new applications
6. Work collaboratively with the frontend team and other team members, train other members and get trained if required

We’re looking for a Full Stack developer who will take on a key role on our team. This Full Stack developer must have knowledge in all stages of software development.

You’ll be working alongside other engineers and developers, collaborating on the various layers of the infrastructure for our client.

Full Stack Developer Skills and Expertise 

Below is a list of several skills and responsibilities of Full Stack developers.

• Design overall architecture of the web application.
• Maintain quality and ensure responsiveness of applications.
• Collaborate with the rest of the engineering team to design and launch new features.
• Maintain code integrity and organization.
• Understanding and implementation of security and data protection.
• Experienced with PHP, MYSQL,
• Proficient experience using advanced JavaScript libraries and frameworks such as AngularJS, KnockoutJS, BackboneJS, ReactJS Etc..
• Development experience for both mobile and desktop.
• Understanding of client-Server Architecture.
• Understanding of AWS Management console & its different services like EC2, RDS, Route53 Etc..
• Experience with cloud message APIs and usage of push notifications.
• Knowledge of code versioning tools such as Git, Bitbucket or SVN.
• Must be good understanding in HTML5 & CSS3.
• Must be good understanding at running command via SSH using CLI
• Experience working with graphic designers and converting designs to visual elements.
• Must have good understanding about MVC architecture.
• Having knowledge on CMS like WordPress, Magento, Shopify will be additive advantage.

• Producing clean, efficient code based on specifications.
• Fixing and improving existing software
• Integrate software components and third-party programs
• Verify and deploy programs and systems
• Troubleshoot, debug and upgrade existing software
• Gather and evaluate user feedback
• Recommend and execute improvements
• Create technical documentation for reference and reporting

• Must have good experience on Asp.Net, MCV, C#, Java script, Jquery etc.
• Familiarity with Agile development methodologies
• Experience with software design and development in a test-driven environment
• Knowledge of coding languages (e.g. C#,VB, JavaScript) and frameworks/systems (e.g. AngularJS, Git)
• Experience with databases and Object-Relational Mapping (ORM)
• Ability to learn new languages and technologies
• Excellent communication skills

Web Developer:

Company Name: 9Roads

Job Location: Khairatabad, Hyderabad

Date of joining: Immediate

Salary Range: INR 16,000 to 20,000

- Immediate Requirement:

   Ideal candidate possesses expertise in making UI changes, Adding new features on web page, Mobile App.

   Prior work experience is not mandatory, expertise in the below technologies is mandatory.

- Must have: CSS, AJAX, JQuery, PHP, IONIC framework.

- Good to have: Node Js, AWS.

- Able to work in fast paced environment.

- Resource should be able to work independently and deliver from Day1.

- Learning curve - You will get an opportunity to pick skills in AWS, Node Js and Python.

• Responsible for design and architecture of functional prototypes and production ready systems
• Uses open source frameworks as appropriate Django Preferred
• Develops Python and JavaScript code as necessary
• Python development to support middleware for REST API
• Communicate technical concepts with trade offs, risks, and benefits
• Evaluate and resolve product related issues

• Demonstrable experience writing clean, thoughtfully crafted Python or PHP that scales
• Strong understanding of JavaScript, HTML, and CSS3
• Good understanding of REST API's and experience in building them.
• Experience on asynchronous request handling, partial page updates, and AJAX
• Proficient understanding of cross browser compatibility issues and ways to work around such issues
• Proficient understanding of code versioning tools, such as Git / Mercurial / SVN
• Good understanding of browser rendering behaviour and performance