SDE-1

About Wissen Technology

Wissen Technology, established in 2015 and part of the Wissen Group (founded in 2000), is a specialized technology consulting company. We pride ourselves on delivering high-quality solutions for global organizations across Banking & Finance, Telecom, and Healthcare domains.

For more details:

Website: www.wissen.com

Wissen Thought leadership : https://www.wissen.com/articles/

LinkedIn: Wissen Technology

Role: Java Backend Developer with AWS

Key Responsibilities

● Design & Development: Build robust, scalable, and maintainable backend services using Java 17+ and the Spring Boot ecosystem.

● API Design: Develop and document RESTful for consumption by web and mobile frontends.

● Database Management: Optimize complex queries and design schemas for relational (PostgreSQL, MySQL) and/or NoSQL (MongoDB, DynamoDB) databases.

● Microservices Architecture: Contribute to the migration or maintenance of microservices, ensuring high availability and low latency.

● Code Quality: Perform thorough code reviews and write comprehensive unit, integration, and functional tests (JUnit, Mockito).

● Cloud & DevOps: Deploy and manage applications in AWS using Docker and Kubernetes.

● Collaboration: Work closely with Frontend Developers, Product Managers to translate business requirements into technical specifications.

Required Technical Skills

● Java Mastery: Deep understanding of Core Java, Multithreading, and Stream API.

● Frameworks: Extensive experience with Spring Boot, Spring Security, and Spring Data JPA/Hibernate.

● Cloud Experience: Proficiency with cloud-native services (e.g., AWS Lambda, S3, RDS, or SQS).

● Messaging: Experience with message brokers like Apache Kafka for asynchronous processing.

● CI/CD: Hands-on experience with Jenkins, GitLab CI, or GitHub Actions.

● Version Control: Expert-level knowledge of Git and branching strategies.

Qualifications & Soft Skills

● Experience: 5+ years of professional experience in backend development.

● Problem Solving: Ability to debug complex production issues and performance bottlenecks.

● Communication: Excellent verbal and written communication skills—vital for a remote/hybrid contractor setup.

● Adaptability: Proven ability to quickly learn new codebases and business domains.

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

About You

We are looking for passionate, enthusiastic, and proactive people that want to build their future with us, growing as we grow.

Dot Net candidate with a minimum of 4 years' experience, you are excited by the rare opportunity to work with the latest Microsoft technologies, rebuilding existing proprietary systems from the ground up.

You are a great communicator who makes a positive contribution working within a team to deliver excellent outcomes for Stake Holders.

If this, is you, come and join one of INDIAs fastest growing companies and enjoy both a flexible working environment and a great team culture.

Role/Core Competencies

• Familiarity with architecture styles And Expertise in Design Principles, Design Patterns, OOPS
• Solid knowledge of C#/.NET Framework knowledge,
• Hands on experience in .NET MVC, LINQ, AJAX, XML, Entity Framework Code First Approach
• Strong Experience in designing and developing the services using Web API.
• Experience in CSS, jQuery, Java Script, HTML5, Bootstrap
• Demonstrated ability to incorporate new technologies and techniques.
• Experience in working with Source Control System like TFS.
• Strong and effective inter-personal and communication skills (verbal and written).
• Knowledge of agile/scrum development processes.
• Working experience in Sql Server.

Responsibility includes:

• Participation in all stages of a project's SDLC including requirements gathering and documenting, high-level and low-level design, coding, testing, and deploying.
• Execute development tasks on projects and will test to guarantee the technical quality of the solution and handle security vulnerabilities.
• Transforms high-level statements of product feature into software design and implement it.
• Able to perform well in a team and as an individual and must have knowledge of SDLC process with documentation.
• Participation in all stages of a project's SDLC including requirements gathering and documenting, high-level and low-level design, coding, testing, and deploying.
• GUI and User Experience design and implementation in Web based applications with exposure to RESTful Service.
• On the need basis, estimates work efforts to support overall product planning & tracking activity.
• You will execute development tasks on projects and will test to guarantee the technical quality of the solution and handle security vulnerabilities.

Nice to have

• Understanding of Agile
• If you are good in preparing test cases & executing test plans

3.6 Years in Java experience mandatory.

Looking for immediate joiners

Role Description

This is a full-time on-site role for a Java Software Engineer located in Pune. As a Java Software Engineer, you will be responsible for software development, microservices, programming, Spring Framework, and Java. Your day-to-day tasks will include designing and implementing software solutions, debugging and testing code, developing and maintaining technical documentation, and collaborating with cross-functional teams to deliver high-quality solutions.

Qualifications

• Proficiency in Software Development and Programming
• Experience with Microservices Architecture and Spring Framework
• Expertise in Java programming language
• Excellent problem-solving skills and attention to detail
• Bachelor's or Master’s degree in Computer Science, Computer Engineering, or a related field
• Experience in agile development methodologies is a plus
• Experience with cloud technologies such as AWS or Azure is a plus

Job Description

We are looking for a great Java Developer who is passionate about working in the Microsoft tech stack using Java. Your primary focus will be on developing common reusable components and implementing them following well-known best practices. You will ensure that these components and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Thus, a commitment to collaborative problem solving and an attitude to learn is essential. 

Job Responsibilities: 

• Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance.
• Contribute in all phases of the development lifecycle.
• Write well designed, testable, efficient code.
• Prepare and produce releases of software components.
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review.
• Design and develop dockerised microservices for cloud 

Required skills and experience include:

• BS in Computer Science or other field of study and applicable work experience.
• Most likely 3-5 years of experience on Java Web Development.
• Experience in developing Microservices for cloud (Azure/AWS/GCP) is preferred
• Experience in Spring Framework (Spring boot, spring Batch), Spring MVC, Microservice model, RESTful web services
• Experience in databases like SQL Server, Oracle, PostgreSQL, MySQL, MongoDB is desired.
• Should have hands-on experience on Hibernate, JPA or MyBatis or any other persistence framework.
• Must have strong teamwork orientation and the ability to foster collaboration within and across teams 
• Knowledge of Maven/gradle
• Knowledge of Docker, Kubernetes 
• Good Communication skills ( English)

Primary Skills(Mandatory)

Core and Advanace Java 1.8 , Web and Microservice development using java (Jsp, Servlet, Spring boot, Spring MVC), Restful Web Services, Spring framework, RDBMS (Postgres, Mssql server), Hibernate 

Secondary Skills

Java script, Frontend web development - (Angular,nodejs) ( Not mandatory)

Additional Information

• Should have experience of working in any previous IT Software company 
• Any additional certification will be a plus
• Comfortable working from Office.

Rajasthan Studio is looking for young and bright minds for its upcoming innovative, never-experienced-before app platform for virtual art experiences.

We are looking for programmers with problem-solving skills and critical thinking abilities for the position of Back End developer. Back End developers are responsible for creating a bridge between customers and business logic, optimizing applications for maximum efficiency, creating dashboards for internal teams, and maintaining brand consistency across the application, among other duties.

Backend Web Developers are responsible for managing the interchange of data between the server and the users. The role's 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. A basic understanding of front-end technologies is necessary as well.

Responsibilities -

• Creating RESTful API/GraphQL to be consumed by Flutter developers
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Implementation of security and data protection
• Design and implementation of data storage solutions
• Participate in the entire application lifecycle, focusing on coding and debugging
• Write clean code to develop functional web applications
• Troubleshoot and debug applications
• Provide training and support to internal teams

Skill & Qualifications -

• Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3
• Understanding accessibility and security compliances
• User authentication and authorization between multiple systems, servers, and environments
• Integration of multiple data sources and databases into one system
• Management of hosting environment, including database administration and scaling an application to support load changes
• Data migration, transformation, and scripting
• Setup and administration of backups
• Outputting data in different formats
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Proficient understanding of code versioning tools, such as Git
• Proficient understanding of OWASP security principles
• Understanding of “session management” in a distributed server environment
• Knowledge of Yii framework - version 2 (preferred)