Sr. Java Developer

Job Title: Java Developer (Full-time)

Location: Pune (Onsite)

Experience Required: 3+ Years

Working Days: 5 Days (Mon to Fri)

Key Responsibilities:

• Design, develop, and deploy scalable microservices using Java and Spring Boot.
•  Implement RESTful APIs and integrate with external systems and databases.
• Build and manage services on AWS Cloud using components like ECS, Lambda, S3, RDS,
• and API Gateway.
• Collaborate with DevOps to integrate CI/CD pipelines for automated builds, tests, and
• deployments.
• Ensure application performance, reliability, and security in a cloud-native environment.
• Participate in code reviews, troubleshooting, and performance optimization.
• Work closely with architecture, QA, and product teams to deliver high-quality solutions.

Required Skills & Experience:

• Strong proficiency in Java, Spring Boot, and microservice architecture. 
• Hands-on experience with AWS Cloud services (ECS, EKS, Lambda, RDS, CloudWatch,etc.).
•  Knowledge of Docker, Kubernetes, and CI/CD tools (Jenkins, GitLab, or AWS
• CodePipeline).
• Experience with REST APIs, JSON, and message brokers (Kafka, RabbitMQ, or SNS/SQS).
• Proficiency in SQL and experience with relational databases (Oracle, MySQL, or
• PostgreSQL).
•  Familiarity with security best practices, monitoring, and logging in the cloud.

JOB DESCRIPTION

Experience: 5-8 years

Location-Mumbai

Wissen Technology is now hiring for a Java Developer - Mumbai with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the industry and need talented software engineers to join our mission and be a part of a global software development team. A brilliant opportunity to become a part of a highly motivated and expert team which has made a mark as a high-end technical consulting. 

Required Skills:

• Exp. - 5-8 years
• Experience in Core Java and Spring Boot.
• Extensive experience in developing enterprise-scale applications and systems. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should have the ability to analyze, design, develop and test complex, low-latency client- facing applications.
• Good development experience with RDBMS.
• Good knowledge of multi-threading and high-performance server-side development.
• Basic working knowledge of Unix/Linux.
• Excellent problem solving and coding skills.
• Strong interpersonal, communication and analytical skills.
• Should have the ability to express their design ideas and thoughts

Required Skills and Experience:

Proficient in Java (Java 8 and above), with a strong understanding of object-oriented programming.

Knowledge in the trading domain, including familiarity with trading systems and protocols.

Strong skills in SQL and PL/SQL for database management and query optimization.

Hands-on experience with Linux and Windows operating systems for application deployment and maintenance.

Proficiency in scripting languages (e.g., Bash, PowerShell, or similar).

Knowledge of Python programming for auxiliary development and analytics tasks.

Familiarity with multithreading, concurrency, and low-latency application development.

Experience with CI/CD pipelines, version control systems (e.g., Git), and deployment workflows.

Key roles:

·       Develop backend application with clean code practices foe the application

·       Collaborate with frontend developers to integrate user-facing elements with server side logic

·       Troubleshoot and debug application

·       Gather and address technical and design requirements

·       Build reusable code and libraries for future user-facing

·       Communicate with other third-party team for collaborations

Skillset:

·       Core Java - Hands on experience with Jdk 11 and above

·       Experience with code hosting and collaboration tools like Bitbucket/Github/GitLab

·       Microservice architecture - Rest API calls, inter-service exception handling

·       Non-relational DB - MongoDB basic DB commands to insert, update, delete, find records and Indexing

·       Springboot framework - Spring Data JPA, ORM

·       Event driven architecture - Kafka

·       Tools like Postman, Jenkins, Doppler, IDE, MongoDB atlas

Qualifications:

·       UG: B.Tech/B.E. in Any Specialization, B.Sc in Any Specialization, BCA in Any Specialization

·       PG: Any Postgraduate

• To support and maintain existing Java code base, debug the application 
• To analyse user and business requirements and design and implement appropriate solutions 
• To design and code programs following in-house standards and good design principles 
• To ensure that all programs are documented to the company standards 
• To create unit test plans and perform unit testing of the programs
• To provide advice and guidance to other members of the team

• Hands on experience in designing and developing applications using Java EE platforms 
• Object Oriented analysis and design using common design patterns 
• Good knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate) 
• Experience in the Spring Framework 
• Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC) 
• Experience in RESTFul webservices
• Experience with test-driven development 
• Exposure to portal/mobility development - Desired
• Exposure to any of middleware solutions like MQ, Oracle fusion middleware(WebLogic), WebSphere, Open Source

Java

Mandatory:

1. Strong expertize in Java/J2EE(4-7 years of experience)
2. Strong  expertize in Microservices, SpringBoot
3. Java including multithreading and concurrency

Preferred skills :

1. Experience in  Virtualization, SDN, NFV, Yang, Netconf
2. Good Knowledge on Networking
3. Multithreading and concurrency

Job Role & Responsibility:

VMWare NSBU HCX team is looking for passionate engineers with a startup mindset and ready to solve business problems by applying technical engineering knowledge. You will be a part of enterprise class HCX cloud mobility platform to help customers solve datacenter evacuation, consolidation and hybrid cloud use cases. You’ll be part of a dynamic engineering team where a passion for innovation is a key to address technical problems, improve performance and scalability and focus on continuous improvement is of paramount importance. You will be a part of R&D development team focused on various aspects of HCX ranging from workload mobility to networking in the context of hybrid cloud paradigm. As part of the job, you will work with senior architects and other engineers of the team to deliver world class enterprise class product.

Required Skills:

• Background with Computer Science fundamentals (based on a BS or MS in CS or related field) with 4+ years of substantial professional experience
• Strong programming skills in Java/Go/Python
• Knowledge of distributed systems
• Understanding of Micro Services architecture, REST APIs Design and Development 
• Understanding of Kubernetes, Kafka, No-sql, Java/Sprint, Client MVC
• Exposure to one or more UI technologies
• Organized and passionate about details; able to effectively perform multiple/concurrent tasks within deadlines in a dynamic environment

Preferred Skills:

• Strong knowledge about virtualization, and/or container technologies
• Experience in SDN/Networking/Network Management domain is added plus
• Exposure to AWS, Azure is added plus

• Development & maintenance of Cleartrip’s product lines
• Involved in entire lifecycle including analysis, development, fixing, and monitoring of issues on the assigned Cleartrip product lines
• Unit test cases – Review and writing

• 2+ years of Product Development experience
• Java, Spring Framework preferred
• Solid experience with databases (Oracle/MySQL) – a must
• Excellent OO and design skills
• Experience with Test Driven Development within a continuous Integration environment (Lunt, CruiseControl, etc)

• BE/B.Tech Computer Science Personality Traits/Attributes:
• Excellent communication skills
• Excellent interpersonal skills – team player & desires to works closely with teammates, QA & product teams
• Problem-solving skills – Ability to research, analyze & find solutions independently.