
● Strong knowledge of data structures and designing for performance, scalability and availability.
● Solid understanding of multithreading, MVC, and strong OO skills.
● Good understanding of micro services architecture.
● Good understanding of development tools and processes.
● Good knowledge of cloud environment GCP, AWS
● Code, develop, design and architect the product.
● Design, implement and maintain highly scalable, multi-tier, distributed server software applications.
● Deliver across the entire product life cycle, design, build, deploy, test, release and support.
● Working directly with developers and product managers to conceptualize, build, test and release
products

About JSW One Platforms
About
Connect with the team
Similar jobs
Job Title: Senior Java Developer
Location: Mumbai (On-site)
Notice Period: Immediate Joiners Preferred / 15 Days or Less
Job Description:
We are seeking a highly skilled and experienced Senior Java Developer with 5+ years of hands-on experience in Java-based application development. The ideal candidate should be adept at designing scalable systems, optimizing performance, and leading development efforts in collaboration with cross-functional teams. This is a full-time, on-site position for candidates currently residing in Mumbai and available to join within 15 days.
Key Responsibilities:
- Lead end-to-end design, development, and deployment of Java applications
- Translate functional and technical requirements into detailed design
- Build scalable, secure, and high-performing applications
- Develop and consume RESTful APIs and ensure seamless integration
- Implement microservices architecture and containerized deployments
- Write clean, efficient, and well-documented code
- Perform code reviews, debugging, and performance tuning
- Collaborate with DevOps for CI/CD and production deployments
- Guide junior developers and conduct knowledge-sharing sessions
- Stay updated on new technologies and industry trends
Required Technical Skills:
- Languages & Frameworks:
- Core Java, J2EE
- Spring Framework (Spring Boot, Spring MVC, Spring Security)
- Hibernate / JPA
- Apache Maven / Gradle
- API Development & Integration:
- RESTful APIs, JSON, Swagger/OpenAPI
- Databases:
- MySQL, PostgreSQL, Oracle
- MongoDB, Redis (preferred)
- Frontend Exposure (Optional but Preferred):
- HTML, CSS, JavaScript, jQuery
- Angular / React
- Tools & Platforms:
- Git, GitHub / GitLab / Bitbucket
- Jenkins, Docker, Kubernetes (basic knowledge)
- SonarQube, Log4j, ELK stack (preferred)
- Cloud & DevOps (Good to Have):
- AWS (EC2, S3, Lambda, RDS), Azure or GCP
- CI/CD pipeline setup
- Architecture & Patterns:
- Microservices, MVC, Design Patterns
- Event-driven architecture (Kafka/RabbitMQ is a plus)
- Testing:
- JUnit, Mockito
- Postman, REST Assured
Soft Skills:
- Excellent problem-solving and debugging skills
- Strong communication and collaboration abilities
- Ability to lead and mentor a team
- Time management and task prioritization
- Adaptable and quick learner
Qualifications:
- Bachelor’s/Master’s degree in Computer Science, Engineering, or related field
- 5+ years of relevant software development experience
- Relevant certifications (Oracle Java, AWS, PMP) are a plus
Eligibility Criteria:
- Must be currently residing in Mumbai
- Must be able to join within 15 days or less
- Immediate joiners preferred
Job Description:
Look for candidates who are preferably immediate joiners and have stability in career
Skills - DS Algorithms, Oops Concept,
Job Brief-
· Understand product requirements and come up with solution approaches
· Build and enhance large scale domain centric applications
· Deploy high quality deliverables into production adhering to the security, compliance and SDLC guidelines
Role and Responsibilities |
|
Required Skills |
|


subjective homework by choosing from a question bank. It also gamifies
homework for students.
It helps teachers evaluate homework/assignments 10x faster and captures
100x more data points than any other existing system.
While the app automates the teacher’s job, it fundamentally disrupts education by
replacing marks/grades with data-driven analysis. It is a free mobile homework app.
JD For Node (backend):
Hands-on technologists, who will help us architect and design large-scale, multi-tiered, microservice based distributed software systems and services using object-oriented design, distributed programming, PHP, NodeJS, Python etc.
Responsibilities:
Collaborate with cross functional teams, gathering business and functional requirements, to solve complex problems by building high volume transactional systems that handle massive data and high traffic.
Be a part of the full development life cycle, end-to-end from scoping, effort estimation, risk identification, implementation and testing, while meeting project schedules and timelines.
Work on (and recommend) the best technologies, components on server side tech. Proactively identify architectural weaknesses, design issues, performance and scalability issues, and recommend solutions.
Complete ownership of problem-free execution of owned modules and solutions, with focus on code optimisation, code quality, maintainability etc.
Balance short-term versus long-term actions, strategic versus tactical requirements, while continuing to move forward towards the strategic vision.
Requirements:
BE/B.Tech in computer science or equivalent experience from top college, with 3-6 years of hands-on experience in design/development of building massively large scale, microservice based, high traffic Node.js applications (including Socket.io and Express or similar)
Excellent data structure & algorithm and problem solving skills, full-stack knowledge and (preferred) application architectural experience and/or understanding
Proficiency in multiple programming languages, both dynamic and strongly typed object oriented languages. Knowledge of one or more of: PHP, Python, Couchbase, DynamoDB, NoSQL, Terraform, Cassandra, Redis, AWS etc.
End user-focused, react well to changes, work with teams and be able to multitask while enjoying challenging assignments in a high-energy, fast growing and start-up workplace.
Familiarity with Agile development, Scrums, continuous integration, and test driven development processes.
Prior startup experience of large scale B2C product company background is preferred.
- Proven hands-on Software Development experience
- Proven working experience in Java development
- Hands on experience in designing and developing applications using Java EE platforms
- Object Oriented analysis and design using common design patterns.
- Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc)
- Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring Framework
- Experience as a Sun Certified Java Developer
Job ID : LK0601
Java Developer JD;
- 2-7 years of Experience
- Java 8
- Spring boot
- API development
- MVC architecture
- web services
- OOPS

Our mission is to make e-commerce easy and accessible for everyone. We believe that all businesses should have the equal playing field in terms of resources to build and grow their online business. With our eCommerce tools and comprehensive platform, business owners can better understand, analyze and grow their business. Starting a business and making products is hard enough; selling products and growing the business shouldn’t be.
We’re a small team looking for passionate, execution-focused, self-starters to help us build the next generation eCommerce platform and equal the playing field for all. Our success depends on building teams who can challenge each other's assumptions with fresh perspectives. To that end, we don’t just accept differences – we celebrate them. If that sounds exciting to you, let’s talk!
We are expanding our Engineering team to India and building a stellar and diverse team composed of owners. We are looking for a backend engineer with a demonstrated track record of developing and maintaining production services, innovative thinking, and technical excellence. As a backend engineer, you will be responsible for building out the service layer that powers our frontend applications. You should have a solid understanding of software development lifecycle and software design principles. This is a great opportunity if you are looking for a huge impact at a small start-up with immense growth potential
What you will do?
Create technical plans of projects assigned to you.
Come up with well-structured solutions to ambiguous problems and implement them.
Ship high-quality, well-tested, secure, and maintainable backend code.
Provide technical direction on our various products and upcoming projects.
Champion reliability and quality by using best practices in software engineering and modular design.
Ensure all components are scalable, maintainable, and have in-built metrics instrumentation and monitoring
Deliver an exceptional user experience to our customers. Put the customer first and have quality in mind.
Own the full release cycle from development to deployment
What you will need?
3+ Years of experience as a software engineer working on backend applications.
Advanced knowledge of Python (preferably, the Django framework) and relational databases.
Experience with agile, test-driven development, continuous integration, and automated testing.
Experience with building, modifying, and extending API endpoints (REST or GraphQL) for data retrieval and persistence.
Experience with the full software development life cycle, including requirements collection, design, implementation, testing, and operational support.
Excellent verbal and written communication, teamwork, decision making and influencing skills.
Experience with scrum or other agile software development methodology.
Hustle. Thrives in an evolving, fast paced, ambiguous work environment
Bonus if you have
Experience working in the eCommerce domain.
Experience with AWS technologies like Elastic Beanstalk, Amplify, etc.
¡ Solid Design and Architecture skills. Experience in the designing, development, and deployment of large-scale enterprise applications with multiple tiers. |
¡ Ensure agile test-driven development for robustness, usability, reliability, security and performance. |
¡ Expert in Core JAVA and Spring Boot and other Spring libraries, Eureka, Hystrix etc. |
¡ Experience creating architecture or developing web services to integrate applications with databases such as Oracle, MySQL, MongoDB, or Cassandra |
¡ Solid understanding of OOPS, algorithms and data structures. |
¡ Experience on Kafka / Scala / Storm / Elastic Search and Web Services like RESTful / SOAP. |
¡ Extensive experience with version control systems (Git is preferred) and issue tracking systems (JIRA is preferred) |

We are looking for a Node.js Developer who is proficient with writing API's, working with data, using AWS and capable of applying algorithms mainly machine learning-based to solve problems and create/modify features for our students. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.
Responsibilities
- Integration of user-facing elements developed by front-end developers with server-side logic
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Implementation of security and data protection
- Use of algorithms to drive data analytics and features.
- Ability to use AWS to solve scale issues.
Apply if you can only arrive for a face to face interview in Bangalore.
ColorTokens - Java Developer
Location: Bangalore
Years of Experience : 4 to 9 years
ColorTokens is a Silicon Valley company located in Santa Clara that is redefining Enterprise and Cloud Security. We are a product company in the Network and Cyber Security space. We are building a product team in India that rivals the best minds in the world and deliver products that are Novel, Refreshing and Insightful (NRI).
It is backed by legendary investors and advisors who have helped structure the IT industry over last 30+ years. ColorTokens core team represents deep industry experience across hardware, software and cloud technologies.
An enterprise class technology takes time bring to market. During this time, we do not want to expose our product and approach to competitors, experts, analysts and the world at large. Our mission is to deliver the next generation Cyber Security platform. Do you want to participate in this paradigm shift?
Who You Are
u Someone with a zeal to contribute to the success of the company as a individual contributor
u Good problem solving skill
u A proactive, self driven individual with a passion for innovation
u A ethical professional with a dedication and determination to make game changing impact on our product
Eligibility Criteria :
u At least 4+ years industry experience in Java
u Good in Data Structures and algorithms
Exposure and flair expected:
u Familiar with various design and architectural patterns
u Knack for writing clean, readable code
u Ability to drive high standards of product quality

