Java Developer

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.

Job Description: Full Stack Developer 

Role Overview

We are seeking a skilled Full Stack Developer with a minimum of 3+ years of hands-on experience in building modern web and mobile applications. The ideal candidate will have strong expertise in React and/or Flutter on the frontend, backed by Java based backend development, and the ability to work across the full software delivery lifecycle.

This role requires a pragmatic engineer who can translate business requirements into scalable, maintainable solutions while collaborating effectively with product, QA, and DevOps teams.

Key Responsibilities

• Design, develop, and maintain full-stack applications with responsive web and/or cross platform mobile interfaces
• Build and optimize frontend components using React and/or Flutter with a focus on performance and usability
• Develop backend services and APIs using Java (Spring / Spring Boot preferred)
• Integrate frontend applications with backend services via RESTful APIs
• Write clean, well structured, and testable code following best practices
• Participate in architecture discussions, code reviews, and technical decision-making
• Debug, troubleshoot, and resolve application issues across the stack
• Collaborate closely with designers, product managers, and other engineers
• Support deployments and work with DevOps pipelines where required

Required Skills & Experience

• Minimum 3 years of professional experience as a Full Stack Developer
• Strong experience with React and/or Flutter
• Solid backend development experience using Java
• Experience building REST APIs and integrating frontend with backend services
• Working knowledge of HTML, CSS, JavaScript, and modern frontend tooling
• Familiarity with relational databases (PostgreSQL/MySQL) and basic query optimization
• Experience with Git and collaborative development workflows
• Understanding of application security, authentication, and authorization concepts

Preferred Skills

• Experience with Spring Boot, Hibernate/JPA
• Exposure to Node.js or Angular
• Experience with cloud platforms (AWS preferred)
• Familiarity with CI/CD pipelines and containerization (Docker)
• Experience building offline capable or mobile first applications
• Prior work in enterprise or product based environments

Soft Skills

• Strong problem solving and analytical abilities
• Good communication skills and ability to work in cross functional teams
• Ownership mindset with attention to code quality and maintainability
• Ability to adapt quickly in a fast paced development environment

Experience Level

• 3+ years of relevant full stack development experience

Educational Qualification

• Bachelor’s degree in Computer Science, Information Technology, or a related field
• A Master’s degree or equivalent exper

Required Skill Set

Software Engineer/Senior Software Engineer/Lead Engineer-Java

· Experience in Core Java 5.0 and above, Angular, Data Structures, OOPS, Multithreading, Algorithms, Collections, Unix/Linux

· 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 volume server side development

Basic working knowledge of Unix/Linux

· Excellent problem solving and coding skills in Java

· Strong interpersonal, communication and analytical skills.

· Should have the ability to express their design ideas and thoughts.

Job Brief-

·        Understand product requirements and come up with solution approaches

·        Build and enhance large scale domain centric applications

·        Deploy high quality deliverables into production adhering to the security, compliance and SDLC guidelines

Java Fullstack Developer – Job Description

We are solving complex technical problems in the financial 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.

Experience: 5+ years

Location: Bangalore

Job Description:



• Experience in Core Java, Spring Boot.

• Experience in microservices.

• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.

• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.

• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2

• Good knowledge of multi-threading

• Basic working knowledge of Unix/Linux

• Excellent problem solving and coding skills in Java

• Strong interpersonal, communication and analytical skills.

• Should be able to express their design ideas and thoughts.

About Wissen Technology:

Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen hassuccessfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals. Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’. Our team consists of 1200+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like Wharton, MIT, IITs, IIMs, and NITs and with rich work experience in some of the biggest companies in the world. Wissen Technology offers an array ofservicesincluding Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation. We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

 Be a full Individual Contributor 

Design(frontend dev) Develop Deploy Debug ! Expert in  all things - Frontend Backend and Deployment 

3Years + on MEAN Stack

Used Rabbit MQ or Kafka

Design product architecture , assign work to junior developers , train interns and manage end to end development activity

Good at  AWS Webservices- AWS- Ec2, Lambda, 

Confident at building high throughput, low latency , and highly Scalable applications 

 Preferences :or pluss

Elastic Search , Kubernates 

Served a Lead role in the present company 

Worked on financial products

Worked in smaller companies with individual contribution

Opportunities to work on:

Block chain, Elastic Search ,Kubernates 

Skills 

Excellent core technical  skills 

Can learn any new language and provide solution

Passionate about coding 

Full problem solver 

Positive attitude and inter personal skills

Who are We??

Billion Bonds Finance 

You may have heard of Payment Gateways..Have you ever heard of Account Gateway????

We are a new age Finance company managing debts of about 40 CR...We are developing the next generation digital only bank focussed towards Gen Z..!Are you the one who would like to Lead the Core team for changing the boring  User Exprience in Banking?

• Working directly with clients to understand requirements for a green field development
• Designing the technology and cloud infrastructure architecture to achieve the functional and nonfunctional requirements
• The product you will be working on needs to scale up to support millions of users an efficient micro service distributed architecture
• Solution needs to be easy to deploy and manage on multiple cloud providers (AWS, GCP or Azure)
• Mentoring, guiding and training the team on various technology, quality and security aspects
• Guiding the team to implement automated CI/CD processes
• Strong analytical, problem solving and data analysis
• Excellent communication, presentation and interpersonal skills are a must
• Micro service frameworks such as Java SpringBoot
• Design and implement automated unit and integration tests
• Writing scalable, robust, testable, efficient, and easily maintainable code
• Familiarity with most AWS Services - EC2, ECS, RDS, ECR, S3, SNS, SQS, and more
• Experience with Docker and Kubernetes
• Deploying and Scaling microservices to AWS
• Hands-on experience with AWS cloud platform in evaluation and cost estimation

The Senior Developer takes up the responsibility of delivery of assigned task with quality and within given timelines and delivers independently.

• Extensive knowledge of software development processes
  • Strong knowledge on different programming languages/technologies
  • Knowledge & experience of different coding practices
  • Quality deliverables meeting Project specific/Industry specific standards
  • Delivery within defined/agreed timelines

Java, Spring Boot, Microservices, JUNIT,
MySQL/Oracle, Javascript/Typescript,
HTML, Angular/ ReactJS