Principal Engineer - Java at Ninjacart · Bengaluru (Bangalore) · 5 - 10 years · ₹14L - ₹35L / yr · Raised funding · Posted 6 Jul 2023
Design, code and integrate n-tier applications with different application components
Have a passion for delivering zero defect code.
Effectively communicate status, issues, and risks in a precise and timely manner
Work in Agile/Scrum teams and follow the guidelines
What you will need to have | Requirements
5 - 10 years of relevant experience with software design, architecture and development life cycle.
Bachelor or Master Degree in Computer Science or related engineering discipline.
Full Stack Software Development experience in large scale mission critical applications.
Solid experience in frameworks like Spring or Spring Boot, Sprint MVC, Hibernate , Microservices.
Expertise with DBMS systems like MySQL, Mongo, Cassandra.
Experience working on UI/Web development using Angular/React, JavaScript, JQuery, and HTML/CSS technologies is required. (Optional)
Proficient in Web Services/API Development using SOAP or REST, JSON and XML.
Proficient in GIT/Stash, Maven, Jenkins etc.

About Ninjacart
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Job Description:
We are looking for a highly skilled Full Stack Developer with a strong background in Angular, Java, Angular, and Cloud Server to join our dynamic team. The ideal candidate will have 4-8 years of professional experience in developing, enhancing, and maintaining scalable web applications and enterprise solutions.
Key Responsibilities:
- Design, develop, and maintain high-quality, scalable, and secure web applications using Angular and Java.
- Work on front-end development using Angular to create responsive and user-friendly interfaces.
- Implement back-end functionalities using Java and Struts frameworks.
- Develop, manage, and optimize SQL Server databases.
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- Ensure code quality through code reviews, testing, and adherence to coding standards.
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Required Skills:
- Proficiency in Angular for front-end development.
- Strong experience with Java and Struts for back-end development.
- Expertise in working with cloud and SQL Server for database management.
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- Strong problem-solving skills and attention to detail.
- Excellent communication and teamwork abilities.
Preferred Skills:
- Knowledge of Agile development methodologies.
- Experience with version control tools like Git.
- Familiarity with CI/CD pipelines and deployment strategies.
- Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.
If you are passionate about technology and thrive in a fast-paced environment, we’d love to hear from you!
Java Full Stack Developer
Experience
5–8 Years (can be adjusted based on requirement)
Required Skills
Backend (40%)
- Strong experience in Java 8/11/17
- Hands-on experience with Spring Boot
- Good knowledge of Microservices Architecture
- Experience in developing and consuming REST APIs
- Familiarity with Spring Data JPA/Hibernate
- Understanding of authentication mechanisms such as JWT/OAuth
- Experience with SQL databases (MySQL, PostgreSQL, Oracle, etc.)
- Knowledge of Git, Maven/Gradle, and CI/CD practices is preferred
Frontend (60%)
- Strong experience in Angular (v10 or above preferred)
- Proficiency in TypeScript, HTML5, CSS3, JavaScript
- Experience with Angular Components, Services, Routing, RxJS, Forms, and State Management
- Knowledge of responsive UI development and REST API integration
- Experience with Angular Material or Bootstrap is an advantage
Responsibilities
- Develop and maintain scalable web applications using Java and Angular.
- Design and implement RESTful APIs using Spring Boot and Microservices.
- Build responsive and user-friendly interfaces using Angular.
- Collaborate with cross-functional teams to design, develop, test, and deploy applications.
- Troubleshoot, optimize, and enhance application performance.
- Participate in code reviews and follow coding standards and best practices.
Preferred Skills
- Experience with Docker and Kubernetes.
- Exposure to cloud platforms such as AWS, Azure, or GCP.
- Knowledge of Agile/Scrum methodologies.
- Familiarity with SonarQube, Jenkins, or other DevOps tools.
Skill Split
- Java, Spring Boot & Microservices: 40%
- Angular: 60%
Required Skills
Backend (40%)
- Strong experience in Java 8/11/17
- Hands-on experience with Spring Boot
- Good knowledge of Microservices Architecture
- Experience in developing and consuming REST APIs
- Familiarity with Spring Data JPA/Hibernate
- Understanding of authentication mechanisms such as JWT/OAuth
- Experience with SQL databases (MySQL, PostgreSQL, Oracle, etc.)
- Knowledge of Git, Maven/Gradle, and CI/CD practices is preferred
Frontend (60%)
- Strong experience in Angular (v10 or above preferred)
- Proficiency in TypeScript, HTML5, CSS3, JavaScript
- Experience with Angular Components, Services, Routing, RxJS, Forms, and State Management
- Knowledge of responsive UI development and REST API integration
- Experience with Angular Material or Bootstrap is an advantage
Responsibilities
- Develop and maintain scalable web applications using Java and Angular.
- Design and implement RESTful APIs using Spring Boot and Microservices.
- Build responsive and user-friendly interfaces using Angular.
- Collaborate with cross-functional teams to design, develop, test, and deploy applications.
- Troubleshoot, optimize, and enhance application performance.
- Participate in code reviews and follow coding standards and best practices.
Preferred Skills
- Experience with Docker and Kubernetes.
- Exposure to cloud platforms such as AWS, Azure, or GCP.
- Knowledge of Agile/Scrum methodologies.
- Familiarity with SonarQube, Jenkins, or other DevOps tools.
Skill Split
- Java, Spring Boot & Microservices: 40%
- Angular: 60%
We are looking for Java Full Stack Developers with strong experience in development using Java, Spring Boot, and REST APIs, along with exposure to front-end technologies such as Angular or React.
Required Skills:
- Strong proficiency in Java and Spring Boot framework.
- Hands-on experience in developing REST APIs and microservices architecture.
- Experience with Kafka.
- Experience with Spring Batch processing.
- Knowledge of Swagger/OpenAPI.
- Hands-on experience with OpenShift or container orchestration platforms.
- Strong understanding of JPA/Hibernate ORM frameworks.
- Experience working with relational and/or NoSQL databases.
- Proficiency in Git version control systems.
- Experience with CI/CD tools and deployment pipelines.
- Testing knowledge using JUnit.
- Experience with functional and API testing tools such as Postman.
- Front-end development experience with Angular or React.
Cognizant is seeking a highly skilled Senior Java Full Stack Developer with strong expertise in Core Java, enterprise application development, and modern web technologies. The ideal candidate should possess exceptional analytical and problem-solving abilities, demonstrate strong coding proficiency, and have extensive hands-on experience developing and maintaining enterprise-grade applications using Spring MVC, Hibernate, Oracle, Kafka, and React JS.
The successful candidate will be responsible for designing, developing, optimizing, and supporting mission-critical business applications while collaborating with cross-functional teams in a fast-paced Agile environment.
Key Responsibilities
• Design, develop, enhance, and maintain scalable, high-performance Java-based enterprise applications.
• Analyse complex business requirements and translate them into efficient, maintainable, and scalable technical solutions.
• Write clean, optimized, reusable, and well-documented code following industry best practices and coding standards.
• Troubleshoot, debug, and resolve complex application issues while ensuring system stability and performance.
• Perform code reviews and mentor junior developers to ensure high-quality software delivery.
• Optimize application performance through code refactoring, tuning, and continuous improvement initiatives.
• Develop and maintain RESTful services and backend components.
• Work extensively with Oracle databases, including query optimization and performance tuning.
• Collaborate with business analysts, QA teams, architects, and stakeholders throughout the software development lifecycle.
• Contribute to frontend development using React JS and modern JavaScript frameworks.
• Participate actively in Agile ceremonies including sprint planning, reviews, retrospectives, and daily stand-ups.
Mandatory Technical Skills
Core Java Expertise
• Strong hands-on experience in Core Java development.
• Ability to independently solve complex coding and algorithmic problems.
• Deep understanding of:
o String Handling & Immutability
o Collection Framework
o Concurrency & multi-threading
o Object-Oriented Programming (OOP)
o Exception Handling
o JVM Internals
o Design Patterns
Backend Development
• Spring MVC
• Hibernate / JPA
• REST API Development
• Apache Kafka
• Oracle Database
• SQL, Query Optimization, and Database Performance Tuning
Frontend Development
• React JS
• JavaScript (ES6+)
• HTML5
• CSS3
Essential Competencies
• Strong analytical thinking and problem-solving capabilities.
• Ability to explain technical decisions, trade-offs, and implementation approaches.
• Experience in application debugging, code optimization, and performance tuning.
• Strong communication and stakeholder interaction skills.
Good-to-Have Skills
• Spring Boot
• Microservices Architecture
• AWS Cloud Services
• CI/CD Tools and DevOps Practices
• Agile/Scrum Methodologies
• Containerization technologies such as Docker and Kubernetes
Desired Candidate Profile
• 8–12 years of hands-on software development experience.
• Proven track record of delivering enterprise-scale applications.
• Strong understanding of software engineering principles and best practices.
• Ability to work independently and collaborate effectively within distributed teams.
• Passion for developing high-quality, scalable, and maintainable software solutions.
• Strong ownership mindset with the ability to drive technical discussions and solution design.
Preferred Notice Period: Immediate to 30 Days
Work Experience: 4.5+ years
Work Location: Bangalore and Hyderabad
Mode of Employment: Permanent
Work Mode: Hybrid
Education Qualification required: Any Degree
Job Description:
We are looking for an experienced Java Full Stack Developer with strong hands-on expertise in Java, Spring Boot, React, and REST APIs. The ideal candidate should be capable of developing scalable backend services and responsive frontend applications.
Key Responsibilities:
- Design, develop, and maintain applications using Java and Spring Boot.
- Build responsive and reusable UI components using React.js.
- Develop and integrate RESTful APIs and backend services.
- Work with databases and write efficient SQL queries.
- Participate in application design, development, testing, debugging, and deployment.
- Troubleshoot application issues and perform performance optimization.
Mandatory Skills:
- Strong hands-on experience in Java 8/11/17+
- Spring Boot / Spring Framework
- React.js
- REST API / Microservices
Job Description
We are looking for a Java Full Stack Developer with strong experience in backend development using Java and Spring Boot, along with modern frontend technologies.
Responsibilities
- Develop and maintain scalable web applications using Java and Spring Boot.
- Design and develop RESTful APIs and microservices.
- Build responsive user interfaces using React.js or Angular.
- Work with databases such as Oracle, MySQL, or PostgreSQL.
- Perform unit testing, debugging, and code reviews.
- Integrate applications with third-party services and APIs.
- Participate in CI/CD, deployment, and production support activities.
- Troubleshoot application issues and perform root-cause analysis.
- Collaborate with cross-functional teams in an Agile environment.
Primary Skills
- Java 8/11/17+
- Spring Boot
- Microservices
- REST APIs
- React.js / Angular
- JavaScript / TypeScript
- HTML / CSS
- SQL
Secondary Skills
- Hibernate / JPA
- Kafka
- Docker / Kubernetes
- Git
- Jenkins / CI/CD
- AWS / Azure
- JUnit / Mockito
- Agile / Scrum
Job Summary : Java Full Stack Developer
Position: Java Full Stack Developer – Angular + React
Experience: 5 + Years
Location: Hyderabad / Bangalore
Key Skills:
Strong experience in Java, Spring Boot & REST APIs
Hands-on experience with React and/or Angular
Good knowledge of SQL/Database concepts
Experience with Microservices & Full Stack Development
Good understanding of API integration and web application development
Good problem-solving and debugging skills
Experience with Git/GitHub
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
Job Description – Java Full Stack Developer
Experience: 8–12 Years
Location: Bangalore
Role Overview
We are looking for an experienced Java Full Stack Developer with strong hands-on expertise in Java, modern web development, AI/Generative AI, APIs, workflow orchestration, CI/CD, observability, and production support.
Key Responsibilities
- Design, develop, and maintain scalable full-stack applications using Java and modern web technologies.
- Develop backend services and microservices using Java, Spring Boot, and REST APIs.
- Build and integrate modern frontend applications using React, Angular, or similar technologies.
- Integrate AI / Generative AI / LLM capabilities into enterprise applications.
- Develop and manage workflow orchestration and process automation solutions.
- Design and integrate APIs with internal and external systems.
- Implement and maintain CI/CD pipelines for automated build, testing, and deployment.
- Implement observability through monitoring, logging, metrics, and tracing.
- Identify and remediate security vulnerabilities across applications and dependencies.
- Troubleshoot issues and provide production support, including root-cause analysis and resolution.
- Participate in code reviews and ensure adherence to engineering, security, and development best practices.
Mandatory Skills
- Strong hands-on experience in Java & Spring Boot
- Full Stack Development with React / Angular or similar
- Microservices & REST APIs
- AI / Generative AI / LLM integration
- Workflow orchestration / process automation
- CI/CD
- Application observability & monitoring
- Vulnerability remediation & secure coding
- Production support & troubleshooting
- Strong understanding of software development lifecycle and design patterns
Experience: 8–12 Years | Location: Bangalore | Joining: Immediate
Job Description
We are hiring a Java Full Stack Developer with 6 years of experience in building scalable web applications. The ideal candidate should have strong expertise in Java backend development along with React for frontend development.
Mandatory Skills
- Java
- Spring Boot
- Microservices
- React
- REST APIs
- SQL/Relational Databases
- Strong understanding of Object-Oriented Programming (OOP)
Responsibilities
- Design, develop, and maintain full-stack applications
- Build and enhance RESTful APIs using Spring Boot and Microservices
- Develop responsive UI components using React
- Collaborate with cross-functional teams to deliver high-quality solutions
- Troubleshoot, debug, and optimize application performance
Requirements
- 6 years of relevant experience in Java Full Stack Development
- Strong hands-on experience with Java, Spring Boot, Microservices, and React
- Good analytical, problem-solving, and communication skills






