Java Developer

JOB DESCRIPTION

Experience: 5-8 years

Location: Mumbai

Wissen Technology is now hiring for a Java Developer - Bangalore 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.

About Us:

At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.

Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality. 

We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more. 

Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results. 

Today, Wissen Technology has a global footprint with 2000+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.

Website : www.wissen.com 

We are looking for an experienced Java Support Engineer with 4+ years of hands-on experience in supporting and maintaining Java/Spring Boot-based applications. The ideal candidate will be responsible for production support, debugging issues, and ensuring smooth application performance.

Key Responsibilities:

• Provide L2/L3 support for Java/Spring Boot applications in production and non-production environments.
• Perform incident analysis, root cause identification, and apply quick fixes or permanent solutions.
• Handle application deployments, environment monitoring, and performance tuning.
• Collaborate with development, DevOps, and database teams to resolve technical issues.
• Write and debug SQL queries, manage data fixes, and ensure database integrity.
• Use monitoring tools like Splunk, Kibana, or ELK Stack for issue investigation.
• Prepare documentation for recurring issues and maintain knowledge base.

Technical Skills:

• Strong in Core Java, Spring Boot, RESTful APIs
• Good knowledge of SQL / PL-SQL (Oracle / MySQL / PostgreSQL)
• Familiar with Linux/Unix commands and Shell scripting
• Exposure to microservices architecture and CI/CD tools (Jenkins, Maven)
• Hands-on experience with application monitoring and log analysis tools
• Knowledge of cloud (AWS / Azure) environments is a plus

Soft Skills:

• Strong problem-solving and analytical mindset
• Good communication and teamwork skills
• Ability to work under pressure and handle on-call support if required

Technical Requirement:

• At least 5 years of experience in Java, J2EE technologies.
• Expertise in doing development using Java, Spring Boot, Spring modules (Spring Security, Spring MVC, Spring Data JPA, etc.), Hibernate, Web Services
• Worked on REST web services.
• Worked on application server : Tomcat
• Worked on Eclipse IDE
• Knowledge of Swagger, Postman
• Worked on Database like MySQL
• Worked on Git, Maven, CI/CD pipelines
• Good to have knowledge of using Docker and Mongo DB

Job Description

Job Summary

• BS/BE/BCA/MSC/MCA degree in Computer Science, Engineering or a related subject
• Hands on experience is preferable in designing and developing applications using Java EE platforms
• Object oriented analysis and design using common design patterns.
• Profound insight of Java and J2EE internals
• Excellent knowledge of Relational Databases and SQL
• Experience in developing web applications using at least one popular web framework (JSF, HTML5, MVC)
• Knowledge on Micro services, Containers / Docker would be added advantage.
• Knowledge on data science would be preferred.
• Exposure to building API, rest service and webservices.
• Exposure to open source like Tensor flow, NIFI, Stream pipes etc.,
• Experience with test-driven development
• Good communication skills and client-oriented attitude
• Organized and detail-oriented person
• Problem solving skills, analytical mind and positive attitude
• Results oriented and focused on meeting deliverable timelines
• Availability to travel, if needed
• Fluency in English is a must

Responsibilities and Duties

• Design and develop features and modules for mission-critical applications
• Build modules on MES products like (SAP, Apriso, Rockwell etc.,)
• Contribute in all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs are in compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies

Required Experience, Skills and Qualifications
2 - 5 years of hands-on Software Development experience using the below mentioned Technologies

• Java / J2EE
• EJB, JSF, Servlets
• HTML, HTML5
• SQL server / Oracle
• Json, webservice and etc.

Benefits

• Candidate would be Trained on SAP modules.
• Industry best pay.

Job Type: Full-time

Microsoft Azure Data Integration Engineer

Job Description: 

Microsoft Azure Data Integration Developer who will design and build cutting-edge user experiences for our client’s consumer-facing desktop application. The Senior Software Developer will work closely with product owners, UX designers, front-end, and back-end developers to help build the next-generation platform. 

Key Skills:

• 3+ years of experience in an enterprise or consumer software development environment using C# and designing and supporting Azure environments
• Expert level programming skills in creating MVC and Microservices architecture
• Experience with modern frameworks and design patterns like .Net core
• Strong knowledge of C# language
• Hands-on experience using the Azure administration portal and iPaaS
• Demonstrable experience deploying enterprise workloads to Azure
• Hands-on experience in Azure function apps, app service, logic apps and storage, Azure Key vault integration, and Azure Sql database.
• Solid understanding of object-oriented programming.
• Experience developing user interfaces and customizing UI controls/components

·      Microsoft Azure Certification, Business Continuity, or Disaster Recovery planning experience is a plus

Responsibilities:

• Architect, design & build a modern web application for consumers
• Explore configuring hybrid connectivity between on-premises environments and Azure, and how to monitor network performance to comply with service-level agreements.
• Collaborate with UI/UX teams to deliver high-performing and easy-to-use applications
• Participate in code reviews with staff as necessary to ensure a high-quality, performant product
• Develop a deep understanding of client goals and objectives, and articulate how your solutions address their needs
• Unit testing/test-driven development
• Integration testing
• Deploying Azure VMs (Windows Server) in a highly available environment
• Regularly reviewing existing systems and making recommendations for improvements.
• Maintenance
• Post-deployment production support and troubleshooting

Technical Expertise and Familiarity:

• Cloud Technologies: Azure, iPaaS
• Microsoft: .NET Core, ASP.NET, MVC, C#
• Frameworks/Technologies: MVC, Microservices, Web Services, REST API, Java Script, JQuery, CSS, Testing Frameworks
• IDEs: Visual Studio, VS Code
• Databases: MS SQL Server, Azure SQL
• Familiarity with Agile software development methodologies.
• Advanced knowledge of using Git source control system.
• Azure, AWS, and GCP certifications preferred.

Job Role: Java SpringBoot Developer

Job Description:

• Should have expertise in Core Java, Java & J2ee
• Built MVC based Web Application Using JSP/Struts framework
• Hands on experience of OOPS concepts, Hibernate and Spring version 3.x 1, Spring Boot
• Hands on experience of Application Servers like Tomcat and WebLogic.
• Hands on experience of Restful services and Web services
• Experience in deploying Spring boot in Micro services
• Good verbal and written communication
• Excellent team player, ability to work in a global team and follow through on deadlines

Primary Skills:

• Core Java, Java & J2ee
• Spring Boot

Qualification & Experience:

• Bachelor of Engineering, preferably in Computer Science/or related fields or Masters, from a premier college
• 2 to 6 years overall software development experience
• Proven hands-on Software Development experience
• Ability to work with an agile mindset
• Having a polyglot mindset to think beyond one programming language/framework to choose the right tech stack for the right problem and exhibit learnability to pick up new technologies
• Proven working experience in Java development/Python development with reasonable exposure to Python/Java respectively or willingness to learn Python/Java
• Hands on experience in designing and developing applications using Java EE platforms/Python Frameworks
• Object Oriented analysis and design using common design patterns
• Good Understanding of Data Structures & Algorithms
• Hands on multi-threading
• Experience in the Relational Databases, SQL and ORM technologies (e.g. JDBC, JPA2, Hibernate, Django ORM)
• Experience with test-driven development