Senior Software Engineer

Job Title: Full Stack Developer (Java + React)

Location: Bangalore

Experience Level: 6–10 Years

Employment Type: Full-time

Job Summary-

Wissen Technology is looking for a skilled Full Stack Developer with strong experience in Java (backend) and React (frontend) to join our engineering team. You will be responsible for designing, developing, and maintaining scalable web applications, collaborating with cross-functional teams, and delivering high-quality software solutions.

Key Responsibilities

• Design, develop, and maintain robust, scalable, and secure web applications
• Build RESTful APIs using Java-based frameworks
• Develop responsive and dynamic user interfaces using React
• Collaborate with product managers, designers, and other developers to define and deliver features
• Write clean, maintainable, and efficient code following best practices
• Perform code reviews and mentor junior developers
• Troubleshoot, debug, and upgrade existing applications
• Ensure application performance, quality, and responsiveness
• Participate in Agile/Scrum development processes

Required Skills & Qualifications

• Strong proficiency in Java (8 or above) and backend frameworks such as Spring Boot
• Solid experience with React.js, including hooks, state management, and component lifecycle
• Experience building and consuming REST APIs
• Familiarity with frontend technologies: HTML5, CSS3, JavaScript (ES6+)
• Knowledge of databases such as MySQL, PostgreSQL, or MongoDB
• Experience with version control systems like Git
• Understanding of software development principles, design patterns, and data structures
• Familiarity with build tools like Maven or Gradle
• Basic understanding of cloud platforms (AWS, Azure, or GCP) is a plus

We are looking for, Java Full stack Developer / Java Developer

Relevant Experience (In years):4+

Job Location: Mumbai

Skill: Java 8+, Spring Boot, Spring, Junit, MySQL, JSP, Servlet, JPA/Hibernate, REST Web service, SOAP web service, JQuery, Ajax, HTML, JS, JSON.

Role Category: Software Development

Education: BE / BTech in Any Specialization, MCA, BSC (IT)

Desired Competencies (Technical / Behavioral Competency)

Has experience working on Frontend technologies CSS, HTML, and JavaScript / JQuery

Hands-on experience of MYSQL Database.

Good verbal and written communication and collaboration skills to effectively communicate with both business and technical teams.

Comfortable working in a fast-paced, result-oriented environment.

Able to understand the requirement quickly and efficiently, should be able to work independently.

Significant Java Programming experience (in J2EE).

Prefer to have experience work with Agile Sprint and Scrum methodology.

Should be able to understand the requirements clearly and document the same whenever required.

Able to write reusable and scalable components and to build product aligned to platform architecture.

Follow coding guidelines and write efficient code.

Perform unit testing and preparation of unit test cases effectively.

Explore new technologies and carryout POCs

Willingness to explore and innovate new ideas with team members and appreciate individual inputs/ strengths

Good communication skills.

To support product and team with positive attitude and full dedication.

Key Responsibilities

Develop and maintain scalable fullstack applications.

Collaborate with cross-functional teams to deliver innovative solutions.

Ensure performance optimization and adherence to best practices.

Provide technical leadership and mentorship to junior developers.

Required Skills

Proficiency in: Java, Spring Boot, MySQL, Hibernate, ReactJS

Knowledge of: NoSQL databases

Strong analytical and problem-solving skills

ROLES AND RESPONSIBILITIES:

·       Working with technical architects, able to convert the architecture into design and code in Java (Spring Boot), AngularJS, and NodeJS.

·       Able to generate LLD documents.

·       Ability to write Quality code with minimum defects.

·       Unit Test and following the coding standards.

·        

PREFERRED QUALIFICATION AND SKILLS:

·       5+ years strong programming and logical skills in Java (Spring Boot), AngularJS, Object Oriented Java script, NodeJS and HTML5

·       Hands on Experience on Java (Spring Boot), and MySQL is mandatory. Must have completed at least 2 full projects using Spring boot and AngularJS.

·       Excellent knowledge and experience in Spring JPA, RESTful webservices implementation.

·       NodeJS experience is value add

·       Should have participated in, and be familiar with, Agile (Scrum) project methodology and practices.

·       Must be able to mentor and guide junior technical resources.

·       One who is proactive and come forward with technology related initiatives. Motivated self-starter. 

·       Good Communication skills. English - Oral and Written.

• 2 to 5 years of experience (or equivalent understanding of software engineering)
• Familiar with one backend language (Node, Go, Java, Python)
• Familiar with Javascript/Typescript and a UI framework
• Willingness and interest in learning new tech/processes (Airflow, AWS, IaaS, etc.)

• Experienced in defining & realizing end-to-end Technical Architecture for large scale enterprise systems. Ability to identify and define non-functional requirements and design systems to meet the same.
• Strong experience in OOAD and in applying Design patterns
• At least 5 years’ hands-on experience in Java/ JEE technologies like Struts/JSF, Spring, EJB, JMS Experience only on front-end technologies like Struts, JSP, Servlets, HTML will not be sufficient.
• Experience in performance testing and optimization of JEE systems on any of the following application servers - WebLogic, WebSphere and JBoss. Deep expertise in any one of the application server is a
• Strong experience in at least one RDBMS (Oracle, MS-SQL, MySQL).
• Experience in creating and reviewing technical documents like Architecture blueprint, Design specifications, Deployment architecture, Workload modeling
• Excellent understanding of software development methodologies and
• Experience in either of these areas is a definite add-on - Infrastructure sizing, Capacity planning, Performance modeling, Cloud
• Working experience on Linux/Unix based OS system is a
• Working experience on any one of these open source technologies (LAMP stack, Node.js framework, ELK, Cassandra, MongoDB, Couch base NO-SQL databases).

Job Description

Desired Skills: Oops, Core Java/J2EE, Collections, Exception Handling, Multi-Threading, JDBC.

Key skills: 

• Should have good knowledge on object-oriented design, good adaptive skills.
• Good knowledge in designing and developing applications using Java EE platforms
• Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance

• Deep knowledge in one or more domains of the study required for the function.
• Capability to write clear and structured technical documents.
• Ability to participate in multi-lingual meetings, very good communication skills, and able to work in a team.
• The capability of working in an international/multicultural environment.
• Ability to apply high quality standard

• Good experience in Angular.
• Good experience & knowledge of latest trends in Java, J2EE, Spring framework, Oracle, SQL, HTML, XML, XSD.
• Good knowledge of web services (SOAP, REST).
• Good knowledge of Cloud Technologies and Micro Services is an asset
• Experience with the following tools/ frameworks: Maven, GIT
• Experience in PKI is an asset

• The methodology is Agile
• Reporting tools are JIRA and Confluence

• Provision of expert advice and assistance, technology watch, architectural considerations, applicable standards, solution patterns, and best practices in Angular,
• J2EE, Web services, and SSL/TLS technologies
• Providing solution options
• Development of applications (full stack) using the technologies/tools mentioned in the specific expertise
• Review of Information Systems Infrastructure Architectures
• Performing PoC in the requested technologies
• Participation in user, service, and project meetings
• Create / update documentation as part of knowledge management
• Strive for innovation and open to new trends