Senior Java Developer

About the job

Location: Bangalore, India

Job Type: Full-Time | On-Site

Job Description

We are looking for a highly skilled and motivated Python Backend Developer to join our growing team in Bangalore. The ideal candidate will have a strong background in backend development with Python, deep expertise in relational databases like MySQL, and hands-on experience with AWS cloud infrastructure.

Key Responsibilities

• Design, develop, and maintain scalable backend systems using Python.
• Architect and optimize relational databases (MySQL), including complex queries and indexing.
• Manage and deploy applications on AWS cloud services (EC2, S3, RDS, DynamoDB, API Gateway, Lambda).
• Automate cloud infrastructure using CloudFormation or Terraform.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Mentor junior developers and contribute to a culture of technical excellence.
• Proactively identify issues and provide solutions to challenging backend problems.

Mandatory Requirements

• Minimum 3 years of professional experience in Python backend development.
• Expert-level knowledge in MySQL database creation, optimization, and query writing.
• Strong experience with AWS services, particularly EC2, S3, RDS, DynamoDB, API Gateway, and Lambda.
• Hands-on experience with infrastructure as code using CloudFormation or Terraform.
• Proven problem-solving skills and the ability to work independently.
• Demonstrated leadership abilities and team collaboration skills.
• Excellent verbal and written communication.

Hiring for the position of Full Stack Developer  / Senior Full Stack Developer responsible for managing back-end services and the interchange of data between the server and the users.

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 frontend elements built by your co-workers into the application. Therefore, a basic understanding of frontend technologies is necessary as well.

We are looking to recruit a candidate for a role that will require:

• Create and consume restful APIs
• Design, develop, and maintain internal and external applications
• Build efficient, testable, and reusable modules
• Write high quality, structured application/interface code and documentation
• Identify solutions through research and collaboration that resolves the root of problems as they arise
• Define functional and technical requirements for application software to develop skills and knowledge
• Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality
• Contribute in all phases of the development lifecycle

Requirement

∙ Proficient in Node.JS and ReactJS development stack

∙ 2+ years’ experience designing, querying, and updating databases in MySQL/nosql

∙ Basic understanding of web technologies including HTML, CSS, JavaScript, AJAX etc.

∙ Passion for best design and coding practices and a desire to develop new bold ideas

∙ Good to have knowledge of AWS, Redis, ElasticSearch

Education: Min. Graduate in related discipline

Work experience: 2 years relevant experience

Job Title - Cloud Fullstack Engineer

Experience Required - 5 Years

Location - Mumbai

Immediate joiners are preferred.

About the Job

As a Cloud Fullstack Engineer you will design, develop, and maintain end-to-end solutions for cloud-based applications. The Cloud Fullstack Engineer will be responsible for building both frontend and backend components, integrating them seamlessly, and ensuring they work efficiently within a cloud infrastructure.

What You’ll Be Doing

• Frontend Development
• Design and implement user-friendly and responsive web interfaces using modern frontend technologies (e.g., React, Angular, Vue.js).
• Ensure cross-browser compatibility and mobile responsiveness of web applications.
• Collaborate with UX/UI designers to translate design specifications into functional and visually appealing interfaces.
• Backend Development
• Develop scalable and high-performance backend services and APIs to support frontend functionalities.
• Design and manage cloud-based databases and data storage solutions.
• Implement authentication, authorization, and security best practices in backend services.
• Cloud Integration
• Build and deploy cloud-native applications using platforms such as AWS, Google Cloud Platform (GCP), or Azure.
• Leverage cloud services for computing, storage, and networking to enhance application performance and scalability.
• Implement and manage CI/CD pipelines for seamless deployment of applications and updates.
• End-to-End Solution Development
• Architect and develop fullstack applications that integrate frontend and backend components efficiently.
• Ensure data flow between frontend and backend is seamless and secure.
• Troubleshoot and resolve issues across the stack, from UI bugs to backend performance problems.
• Performance Optimization
• Monitor and optimize application performance, including frontend load times and backend response times.
• Implement caching strategies, load balancing, and other performance-enhancing techniques.
• Conduct performance testing and address bottlenecks and scalability issues.
• Security and Compliance
• Implement security best practices for both frontend and backend components to protect against vulnerabilities.
• Ensure compliance with relevant data protection regulations and industry standards.
• Conduct regular security assessments and audits to maintain application integrity.
• Collaboration and Communication
• Work closely with cross-functional teams, including product managers, designers, and other engineers, to deliver high-quality solutions.
• Participate in code reviews, technical discussions, and project planning sessions.
• Document code, processes, and architecture to facilitate knowledge sharing and maintainability.
• Continuous Improvement
• Stay updated with the latest trends and advancements in frontend and backend development, as well as cloud technologies.
• Contribute to the development of best practices and standards for fullstack development within the team.
• Participate in knowledge-sharing sessions and provide mentorship to junior engineers.

What We Need To See

• Strong experience in both frontend and backend development, as well as expertise in cloud technologies and services.
• Experience in fullstack development, with a strong focus on both frontend and backend technologies.
• Proven experience with cloud platforms (AWS, GCP, Azure) and cloud-native application development.
• Experience with modern frontend frameworks (e.g., React, Angular, Vue.js) and backend technologies (e.g., Node.js, Java, Python).

• Technical Expertise:

1. FrontEnd

• Handon Experience with HTML5, CSS, JavaScript, ReactJs, Next.js, redux, JQuery

2. Proficiency in Backend Development

• Strong experience with backend programming languages such as Node.js, Python
• Expertise in working with frameworks such as NestJS, Express.js, or Django.

3. Microservices Architecture

• Experience designing and implementing microservices architectures.
• Knowledge of service discovery, API gateways, and distributed tracing.

4. API Development

• Proficiency in designing, building, and maintaining RESTful and GraphQL APIs.
• Experience with API security, rate limiting, and authentication mechanisms (e.g., JWT, OAuth).

5. Database Management

• Strong knowledge of relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g. MongoDB).
• Experience in database schema design, optimization, and management.

6. Cloud Services

• Hands-on experience with cloud platforms such as Azure,AWS or Google Cloud.
• Security: Knowledge of security best practices and experience implementing secure coding practices.
• Soft Skills:
• Strong problem-solving skills and attention to detail.
• Excellent communication and collaboration skills, with the ability to work effectively in a team environment.
• Ability to manage multiple priorities and work in a fast-paced, dynamic environment.

· Salary Package: As per Company Standards

Job Description:

Technologies/Frameworks –

·        Core Java, J2EE,

·        Spring Core and Spring MVC, Sprint Boot, Spring Security,

·        JDBC, Hibernate, RESTful APIs, SOAP WebServices

·        Knowledge of JavaScript, JQuery, AJAX, HTML5, and CSS3, Angular is added advantage

·        Junit or Mockito frameworks

·        Maven, Git

·        Knowledge Data Structures,

·        SQL, MySQL

·        Designing relational database schemas                                                                                                                                                

·        Basics of AWS, Cloud, Microservices

Must have strong knowledge and experience in Agile based software development methodologies. Knowledge of an Agile tool like Jira.

Strong knowledge of working in Integrations of 3rd party APIs and creating the new APIs.

Must have good knowledge of creating Flow diagrams, UMLs and all the required documentations.

Must have Team Lead exposure

Domain Preference

• JEE, WebSphere App Server, Tomcat/jboss, development background
• Oracle DB/MySQL/Sybase/PostgreSQL
• Performance tuning in application connection pool, application server
• Basic Unix command and shell programming
• Thread dump, heap dump analyzing knowledge, tool used in thread dump

and heap dump

• Production issue troubleshooting
• Connection pool, application server configuration, JVM parameter configuration
• Good to have back base/flex cube technology hands on
• Technical Lead, Developer background

About Kloud9:

Kloud9 exists with the sole purpose of providing cloud expertise to the retail industry. Our team of cloud architects, engineers and developers help retailers launch a successful cloud initiative so you can quickly realise the benefits of cloud technology. Our standardised, proven cloud adoption methodologies reduce the cloud adoption time and effort so you can directly benefit from lower migration costs.

Kloud9 was founded with the vision of bridging the gap between E-commerce and cloud. The E-commerce of any industry is limiting and poses a huge challenge in terms of the finances spent on physical data structures.

At Kloud9, we know migrating to the cloud is the single most significant technology shift your company faces today. We are your trusted advisors in transformation and are determined to build a deep partnership along the way. Our cloud and retail experts will ease your transition to the cloud.

Our sole focus is to provide cloud expertise to retail industry giving our clients the empowerment that will take their business to the next level. Our team of proficient architects, engineers and developers have been designing, building and implementing solutions for retailers for an average of more than 20 years.

We are a cloud vendor that is both platform and technology independent. Our vendor independence not just provides us with a unique perspective into the cloud market but also ensures that we deliver the cloud solutions available that best meet our clients' requirements.

What we are looking for:

●  Overall 8+ Years of Experience in Web Application development.

●  5+ Years of development experience with JAVA8 , Springboot, Microservices and middleware

●  3+ Years of Designing Middleware using Node JS platform.

●  Good to have 2+ Years of Experience in using NodeJS along with AWS Serverless platform.

●  Good Experience with Javascript / TypeScript, Event Loops, ExpressJS, GraphQL, SQL DB (MySQLDB), NoSQL DB(MongoDB) and YAML templates.

●  Good Experience with TDD Driven Development and Automated Unit Testing.

●  Good Experience with exposing and consuming Rest APIs in Java 8, Springboot platform and Swagger API contracts.

●  Good Experience in building NodeJS middleware performing Transformations, Routing, Aggregation, Orchestration and

Authentication(JWT/OAUTH).

●  Experience supporting and working with cross-functional teams in a dynamic environment.

●  Experience working in Agile Scrum Methodology.

●  Very good Problem-Solving Skills.

●  Very good learner and passion for technology.

●  Excellent verbal and written communication skills in English

●  Ability to communicate effectively with team members and business stakeholders

Why Explore a Career at Kloud9:

With job opportunities in prime locations of US, London, Poland and Bengaluru, we help build your career paths in cutting edge technologies of AI, Machine Learning and Data Science. Be part of an inclusive and diverse workforce that's changing the face of retail technology with their creativity and innovative solutions. Our vested interest in our employees translates to delivering the best products and solutions to our customers.

Will be developing mobile and web applications using latest technology. Should be good in analysing requirements and translate into applications. Good in understanding application flows.

Tech Skills –

MEAN (MongoDB, Express, Angular/React, Node.js) – Expert level - at least 2-3 full sized projects

Cloud technology – Familiar with using cloud technology (AWS, GCP etc) – Intermediate – Should be able to interact with the services from cloud (e.g. firebase etc)

HTML, CSS, Bootstrap, Java script – Intermediate level - Good understanding of concepts and should be able to realize application screens based on the UI provided by designers

Mobile technology – Hybrid (ionic, Cordova, capacitor, flutter), Native (Android, iOS) – Beginner – Should have understanding of concepts, good with basics