
We are seeking a talented Java Full Stack Developer to join our team.
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. As a Java Full Stack Developer, you will be responsible for designing, developing, and maintaining enterprise applications using Java and Angular.
You will collaborate with cross-functional teams to define, design, and ship new features, and you will work closely with Architects to ensure the technical feasibility of designs and implement them accordingly.
Required Skills:
- Exp. - 5 to 9 years.
- Experience in Core Java 8 and above, Spring (including Core, WebMvc, Batch, Cloud etc).
- Extensive experience in developing enterprise-scale n-tier applications for financial domain. 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.
- Develop user interfaces for modern web applications using Angular.
- Experience with HTML5, CSS3, and JavaScript.
- Good development experience with RDBMS, preferably DB2/Sybase databases.
- 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 be able to express their design ideas and thoughts.
Good to have Skills:
- Prior experience in investment banking / capital markets.
- Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform.
- Knowledge of DevOps practices and CI/CD pipelines.
- Familiarity with Agile methodologies.
- Contributions to open-source projects.
- Relevant certifications (e.g., Angular, Java).

About Wissen Technology
About
The Wissen Group was founded in the year 2000. Wissen Technology, a part of Wissen Group, was established in the year 2015. Wissen Technology is a specialized technology company that delivers high-end consulting for organizations in the Banking & Finance, Telecom, and Healthcare domains.
With offices in US, India, UK, Australia, Mexico, and Canada, we offer an array of services including Application Development, Artificial Intelligence & Machine Learning, Big Data & Analytics, Visualization & Business Intelligence, Robotic Process Automation, Cloud, Mobility, Agile & DevOps, Quality Assurance & Test Automation.
Leveraging our multi-site operations in the USA and India and availability of world-class infrastructure, we offer a combination of on-site, off-site and offshore service models. Our technical competencies, proactive management approach, proven methodologies, committed support and the ability to quickly react to urgent needs make us a valued partner for any kind of Digital Enablement Services, Managed Services, or Business Services.
We believe that the technology and thought leadership that we command in the industry is the direct result of the kind of people we have been able to attract, to form this organization (you are one of them!).
Our workforce consists of 1000+ highly skilled professionals, with leadership and senior management executives who have graduated from Ivy League Universities like MIT, Wharton, IITs, IIMs, and BITS and with rich work experience in some of the biggest companies in the world.
Wissen Technology has been certified as a Great Place to Work®. The technology and thought leadership that the company commands in the industry is the direct result of the kind of people Wissen has been able to attract. Wissen is committed to providing them the best possible opportunities and careers, which extends to providing the best possible experience and value to our clients.
Connect with the team
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Role: Java Fullstack
Skill: Java, Spring Boot, Microservices, React js, Backend Heavy + React, PostGress
Exp: 8 to 12 Years
Location: Bangalore
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
Responsibility:
∙Develop and maintain code following predefined cost, company and security
standards.
∙Work on bug fixes, supporting in the maintenance and improvement of existing
applications.
∙Elaborate interfaces using standards and design principles defined by the team.
∙Develop systems with high availability.
∙Attend and contribute to development meetings.
∙Well versed with Unit testing and PSR Standards.
∙Master Software Development lifecycle, standards and technologies used by the
team.
∙Deliver on time with high quality.
∙Write Automation tests before to API call to code it and test it.
∙Trouble Shooting and debugging skills.
∙Perform technical documentation of the implemented tasks.
- Proven experience as a Full Stack Developer with hands-on expertise in Core Java, Angular/ React and SQL.
- Good expertise in microservices.
- Good experience in cloud platform, AWS preferred.
- Experience with RESTful services and APIs.
- Solid understanding of object-oriented programming principles.
- Familiarity with version control systems like Git.
- Excellent problem-solving skills and attention to detail.
- Strong communication skills and the ability to work well in a team environment.
- Designing and developing user interfaces using angularJS best practices.
- Adapting interface for modern internet applications using the latest front-end technologies.
- Writing JavaScript, CSS, and HTML.
- Developing product analysis tasks.
- Making complex technical and design decisions for AngularJS projects.
- Developing application codes and unit tests in AngularJS, Java Technologies, and Rest Web Services.
- Conducting performance tests.
- Consulting with the design team.
- Ensuring high performance of applications and providing support.
WHAT YOU’LL BE DOING:
- Developing front end website architecture (Bootstrap, HTML 5, CSS3).
- Designing Rich User interactions on web pages (User Experience into consideration).
- Developing back end website applications (Controllers, Services and APIs).
- Ensuring Site Compatibility with mobile devices
- Working alongside UI/UX for web design features.
- Working with Product Manager to translate User Requirements → Technical Requirements.
- Developing APIs for external/internal consumption.
QUALIFICATIONS:
- Minimum 3-5 years of Experience in Full Stack development
- Degree in Engineering or Computer Science.
- Proficiency with Front-end development languages such as HTML, CSS and JavaScript.
- Familiarity with JavaScript frameworks such as JQuery, VueJS or Angular.
- Proficiency with Java/JSP, Spring Stack (Security, Web MVC, REST).
- Familiarity with database technology such as MySQL.
- Proficiency in Build Cycle management (Maven, Jenkins, Scripting).
- Familiarity with Deployment technologies like Docker, Rancher and Virtual machines.
- Familiarity with Agile Development processes.
- Excellent verbal communication skills.
- Good problem-solving skills with attention to detail.
- Able to create functional, attractive applications that perfectly meet the needs of the user.
Job Summary
We are looking for developers who can meticulously analyze project requirements and carry forward the development of backend modules which are highly robust and scalable.
Responsibilities and Duties:
- Development (Coding).
- Code Management (Code Reviews, Maintaining Code Standards).
- Repository Management (Branches, Tags, Documentations).
- Concept feasibility checks.
- Managing a team of 3 - 5 members.
Qualifications and Skills:
- With 3 -5 years of experience in the technology domain.
- Entrepreneurial and self-motivated mindset.
- Experience with web technologies such as:
- HTML5/CSS3
- React or Angular (Experience with server side development)
- Java Spring Boot (Preferred)
- PostgreSQL, MongoDB
- Bonus: C# .NET Core, NodeJS
- Strong data structures, algorithms and design patterns knowledge.
- Deep knowledge of web related technologies such as sockets, REST framework, GraphQL (Bonus), etc.
- Experience working in early stage startups (Bonus).
- Experience in real-time communication products.
- Experience in client communications.
- Would be bonus: Experience working with R&D teams, Prototyping, Hypothesis Testing.
Immediate Joining/Notice period-30days
Job Type: Full-time
Experience: 3 -5 years
Qualification: BE/BTech/MCA.
Location: HSR Layout, Bengaluru, Karnataka
Employment Type
Full-time
Duties and responsibilities:
- Design and defining architecture of complex web applications and microservices.
- Address and improve any technical issues
- Collaborate well with engineers, researchers, and data implementation specialists to design and create advanced, elegant, and efficient systems
Requirements and Qualifications:
- Previous working experience as a MEAN Stack Developer for 3 years
- BSc/B.tech degree in Computer Science or similar relevant field
- In-depth knowledge of NodeJS, ExpressJS or Restify
- Experience implementing applications using Angular or React
- Experience creating front end applications using HTML5, Angular, LESS/SASS
- Hands-on experience with JavaScript Development on both client and server-side
- Experience with modern frameworks and design patterns, minimum one-year experience with MEAN stack paradigm
- Knowledge of the following will be considered as an advantage:
- Consumer Web Development Experience for High-Traffic, Public Facing web applications
- Experience with cloud technologies like AWS or google cloud is also a plus
- Creating secure RESTful-based web services in Node js and Express and MongoDB.
- Continuous integration (Jenkins/Hudson) and version control (SVN, Git)
Who We are:
Paxcom a leading Digital Solution Provider is a part of Paymentus now, a leading electronic bill payment provider. PaymentUs leads the North American marketplace in electronic bill payment solutions and have recently signed a partnership with Paypal, Alexa and Walmart. We are looking for passionate programmers skilled in Java, Python, Angular, NodeJS, Python, Jenkins, Postgresql, Docker, Kubernetes, Spark and AWS to join our development team.
For more details, please visit https://paxcom.ai/
Why Join Us?
Get a chance to contribute and get recognition from Day 1.
You hate micromanagement and are able to take your decision independently.
Enjoy flexible and relaxed wok environment.
Work 5 days a week (Enjoy work-life balance).
A friendly, Supportive, Professional and achievement-oriented management team
Competitive remuneration.
An opportunity to learn new things every day.
You Enjoy:
Ideal resource should be from Java background with a minimum of 3+ years’ experience in Java technologies.
Should have extensive experience working with Spring, Any ORM and Restful Web services.
Strong experience building, designing, and consuming Restful web services.
Must have experience with spring boot/Spring MVC
1+ years’ experience with one or more JS frameworks: NodeJS/Express, Angular, React, ExtJS, Vue is preferred
Experience / Knowledge of Agile Scrum methodology.
Should have used GIT and be self-dependent on resolving merge conflicts.
Should be familiar with build tool like Maven or Gradle.
Excellent verbal and written communication skills.
Ability to handle small teams and mentor them.
Leader, Doer & Architect for Enterprise Java applications
Experience of payment card industry is a plus.
Tech Stack:
Java 8+
Microservices
REST
Spring Framework 4/5
MySQL 5.6/Oracle
Nice To have (CPM Scheduling, Angular/React, NodeJS)
Linux, GIT, Docker, kubernetes, Cloud, AWS,Kafka
Building tools like Maven, Ant, Gulp









