Fullstack Developer

Job Title : Senior Java Developer

Experience : 5+ Years

Location : Bangalore

Job Type : Contract / Contract-to-Hire

Shift : U.K. Shift (01:30 PM IST to 10:30 PM IST)

Job Summary :

We are looking for a highly skilled Senior Full Stack Java Developer to join our dynamic team. The ideal candidate will have strong expertise in both backend and frontend development, with proven experience in building scalable enterprise applications. This role requires proficiency in Java, Spring Boot, JSP, MySQL, HTML, CSS, JavaScript, jQuery, and Bootstrap, along with excellent communication skills to collaborate with global teams in a U.K. shift.

Mandatory Skills : Java, Spring Boot, JSP, MySQL, HTML, CSS, JavaScript, jQuery, Bootstrap, Software Design Patterns, Debugging & Performance Optimization.

Key Responsibilities :

• Design, develop, and maintain scalable full-stack applications.
• Build robust backend services using Java, Spring Boot, JSP, and MySQL.
• Develop responsive and user-friendly UI components with HTML, CSS, JavaScript, jQuery, and Bootstrap.
• Optimize database queries and ensure application performance and scalability.
• Apply best practices and design patterns for maintainable, clean, and efficient code.
• Collaborate with cross-functional teams across geographies to deliver quality solutions.
• Conduct code reviews, debugging, testing, and deployment activities.
• Support international clients by working in the U.K. shift.

Must-Have Skills :

• Strong expertise in Java (Core & Advanced) and Spring Boot.
• Hands-on experience with JSP, MySQL, and backend service development.
• Proficiency in HTML, CSS, JavaScript, jQuery, and Bootstrap.
• Solid understanding of software design patterns and architecture.
• Strong skills in debugging, problem-solving, and performance optimization.
• Excellent communication and collaboration abilities.

Role Overview:

We are looking for a Lead Software Engineer with 7-10 years of experience to join our team in Bangalore. The ideal candidate should have strong expertise in financial services, databases, microservices. This role requires a mix of hands-on technical skills, leadership capabilities, and client engagement experience.

Looking for candidates from IIT/NIT/BITS/VIT

Investment Banking Domain Preferred

Key Responsibilities:

• Technical Leadership: Lead a team of developers, perform code reviews, and ensure high-quality software delivery.
• Microservices & Databases: Design, develop, and optimize microservices architecture with robust database integrations.
• Solution Delivery: Drive end-to-end software development, from design to deployment, ensuring on-time and high-quality project completion.
• Team Collaboration: Mentor junior engineers, provide technical guidance, and foster a culture of innovation and continuous improvement.

Required Skills & Experience:

• 7-10 years of experience in software development & leadership
• Expertise in financial services domain.
• Strong knowledge of databases (SQL, NoSQL) and microservices architecture
• Excellent client communication skills and ability to manage stakeholder expectations
• Hands-on experience in designing, building, and deploying scalable enterprise solutions

Why Join Wissen Technology?

• Work on cutting-edge projects for Fortune 500 financial institutions
• Be part of an innovation-driven team that values technical excellence and leadership
• Opportunity to work directly with business and technology leaders
• Competitive compensation and a dynamic work environment

A back-end developer is a web developer or engineer who works with at the back end of a website or application. In this sense, will work on Java code for application development comprehending what users want from the finished product, developing design documentation for the application, debugging and repairing code, and testing the softwares.

SKILLS:

• Core Java: Collections, Generics, data structures, Oops concepts, Exception handling, Design patterns, Data Structure.
• Mysql,C++
• Knowledge of Angular
• Candidate should have working knowledge on web services
• Hands on experience on Kubernetes, Docker, Python, AWS, Springboot.
• Proven hands -on experience in software and app development using Java Platforms
• Telecom industry experience is a must

COMPETENCIES:

• Plan and Organize: Plan and organize activities in a clear and accurate manner
• Achievement Orientation: Meets predetermined standards
• Meticulous attention to detail: Recognizes obvious information
• Teamwork: Collaborates with others to get the work done and achieve team goals

MINIMUM QUALIFICATION:

•  B.E/ B.Tech/ MCA

REQUIRES EXPERIENCE:

•  3 -13 years of relevant experience in Java development

Role/ Responsibilities

• Lead a team of hard working backend developers. 
• Design APIs, DB, Queues, monitoring for micro services. 
• Writing, deploying and managing micro services. 
• Migrate existing components into distributed micro service architecture. 
• AWS Cloud / Google Cloud Platform (Manage Infrastructure). 
• API integration with 3rd parties. 
• Unit test cases, automation. 
• Database optimisation. 
• Design of highly concurrent backend architecture. 
• Handling high traffic data. 

Experience required: 

• Sound fundamentails in software design. 
• Must have worked on distributed and micro service architecture. 
• Sound fundamentals on scale/ performance/ memory optimisation. 
• Sound fundamentals of authentication, authorization, payment processes, data security. 
• Must have experience in Spring / Spring boot. 
• Good to have experience in Kafka / JMS / RabbitMQ / AWS Elastic queue. 
• Good to have experience in Junit / mockito unit test cases. 
• Good to have knowledge in Mysql (or any RDBMS). 

Job Title : Sr Java Developer

Job Description 

We are seeking a well experienced full stack Java developer for our product. As a member of the software engineering division, you will assist in defining and developing software for tasks associated with the developing, debugging or designing of software applications or operating systems. Provide technical leadership to other software developers. Specify, design and implement modest changes to existing software architecture to meet changing needs. 
  Roles and responsibilities? 

• Design, develop and implement software programming applications.
• Build highly scalable product.
• Participate in gathering business requirements and assessing existing architectures and resources.
• Work with application development team in delivering the project and deliverable within time and with good quality.
• Perform unit testing, oversee quality assurance of applications through system testing.
• Establishes processes for performance and conducts code review.
• Manage and mentor junior members of the team on good coding practice

Skills and experiences would I bring into this role? 

1. E/ B.Tech / MCA in computer science or a related field
2. 4+ Years of Java/J2EE work experience.
3. Object-Oriented design, patterns, algorithms, data structures
4. Well knowledge about Spring Hibernate framework.
5. Exposure to React JS / Angular JS.
6. Experience with SQL/No-SQL database technologies – MySQL, Mongo dB, Cassandra, Redis, PostgreSQL, etc.
7. Experience in Web services (REST or SOAP)
8. End to end web development experience is highly preferred
9. Good understanding of unit testing methodologies.
10. Good analytical and communication skills
11. Startup work culture mindset.

• IMMEDIATE JOINEE
  BA/BS degree in Computer Science or related technical field or equivalent work experience. MS degree is preferred.
• 9+ years development experience in JAVA (using OO Design and Analysis, Design Patterns, etc.)
• High experience in Java 8 with hands on coding Required.
• 4+ years’ experience building highly scalable, distributed and reliable Restful Web Services using Spring, Jersey, etc.
• Should have knowledge on Cloud applications preferably on AWS.
• Knowledge on building Front end applications using JavaScript, AngularJS, HTML5, CSS3.
• Experience with relational DBs like MySQL and NoSQL Database like MongoDB, Solr/Lucene will be a plus.
• Experience with Tomcat, Jax-RS, REST, JPA, IntelliJ, Groovy, Hibernate is must.
• Experience with build technologies like Gradle, Jenkins will be a plus.
• Experience with Test Driven Development using TestNG/Junit testing frameworks.
• Experience working with version control like GIT.
• 8+ years (or more) experience shipping quality code
• 4+ years’ experience with leading frontend frameworks like Angular 1 to 8 or ReactJS, etc.
• Experience on Ionic Framework, Cardova
• Experience contributing front-end code to a publicly available, consumer-focused web application.
• Solid experience and understanding of HTML5, CSS3, and Javascript (vanilla JS and popular libraries like Underscore.js and jQuery)
• Experience with REST-based APIs
•