Technical Lead

Job Description: Full Stack Developer 

Role Overview

We are seeking a skilled Full Stack Developer with a minimum of 3+ years of hands-on experience in building modern web and mobile applications. The ideal candidate will have strong expertise in React and/or Flutter on the frontend, backed by Java based backend development, and the ability to work across the full software delivery lifecycle.

This role requires a pragmatic engineer who can translate business requirements into scalable, maintainable solutions while collaborating effectively with product, QA, and DevOps teams.

Key Responsibilities

• Design, develop, and maintain full-stack applications with responsive web and/or cross platform mobile interfaces
• Build and optimize frontend components using React and/or Flutter with a focus on performance and usability
• Develop backend services and APIs using Java (Spring / Spring Boot preferred)
• Integrate frontend applications with backend services via RESTful APIs
• Write clean, well structured, and testable code following best practices
• Participate in architecture discussions, code reviews, and technical decision-making
• Debug, troubleshoot, and resolve application issues across the stack
• Collaborate closely with designers, product managers, and other engineers
• Support deployments and work with DevOps pipelines where required

Required Skills & Experience

• Minimum 3 years of professional experience as a Full Stack Developer
• Strong experience with React and/or Flutter
• Solid backend development experience using Java
• Experience building REST APIs and integrating frontend with backend services
• Working knowledge of HTML, CSS, JavaScript, and modern frontend tooling
• Familiarity with relational databases (PostgreSQL/MySQL) and basic query optimization
• Experience with Git and collaborative development workflows
• Understanding of application security, authentication, and authorization concepts

Preferred Skills

• Experience with Spring Boot, Hibernate/JPA
• Exposure to Node.js or Angular
• Experience with cloud platforms (AWS preferred)
• Familiarity with CI/CD pipelines and containerization (Docker)
• Experience building offline capable or mobile first applications
• Prior work in enterprise or product based environments

Soft Skills

• Strong problem solving and analytical abilities
• Good communication skills and ability to work in cross functional teams
• Ownership mindset with attention to code quality and maintainability
• Ability to adapt quickly in a fast paced development environment

Experience Level

• 3+ years of relevant full stack development experience

Educational Qualification

• Bachelor’s degree in Computer Science, Information Technology, or a related field
• A Master’s degree or equivalent exper

Key Responsibilities

Develop and maintain scalable fullstack applications.

Collaborate with cross-functional teams to deliver innovative solutions.

Ensure performance optimization and adherence to best practices.

Provide technical leadership and mentorship to junior developers.

Required Skills

Proficiency in: Java, Spring Boot, MySQL, Hibernate, ReactJS

Knowledge of: NoSQL databases

Strong analytical and problem-solving skills

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.

We're Hiring - Java Full Stack Developer !

Job Details:

Location: Bangalore, Mumbai, Pune

Role: Java Full stack Developer

Experience: 5 to 10 Years

Notice Period: Immediate to 15 Days

Work Mode: Hybrid

Skills Required:

Strong knowledge of Java, Core Java, SQL

Expertise in Spring Boot, Angular/ React

Proficiency in OOPS, Design Patterns, Data Structures, and Algorithms

Experience with Multithreading and Microservices

Good experience in cloud platform, AWS preferred.

Experience with RESTful services and APIs

We're looking to hire expert Laravel developers with strong command over database concepts and preferably, ability to work as a full stack developer utilising Angular/Laravel or Vue as a frontend tech stack. Minimum 4 years experience is required.

As a senior software developer, we expect the following qualifications:

• Has a longer IT technical training in computer science or similar
• Have proven experience JavaScript
• Have proven experience of developing REST-based services
• Have proven experience in PHP and JAVA
• Have proven experience in Laravel, Symfony, and Composer
• Have proven experience with CSS, SASS, and HTML
• Proven experience with Vue.js, Angular or React

Personal qualifications:

• You are quick to put you into new tasks and get an overview.
• As a person manages to get support for your suggestions and solutions.
• Your efforts are focused and you take pride in having completed your tasks, which include seen by you adhere to deadlines.
• Your work is characterised by being both structured and systematic which for example is seen in your documentation.

• Solid background and proven experience in the Java Tech Stacks
• Expertise in Java and in JavaScript based framework
• Expertise in multiple front-end languages and libraries (e.g., HTML/ CSS, JavaScript, XML, jQuery)
• Familiarity with databases (e.g., MySQL, MongoDB), web servers (e.g., Apache) and UI/UX design
• Experience developing desktop and mobile applications
• Familiarity with common stacks
• Excellent communication and teamwork skills
• Great attention to detail and problem-solving skills