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Java Developer – Job Description Wissen Technology is now hiring for a Java Developer - Bangalore with hands-on experience in Core Java, algorithms, data structures, multithreading and SQL. We are solving complex technical problems in the 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. Required Skills: • Exp. - 4 to 7 years. • Experience in Core Java and Spring Boot. • Extensive experience in developing enterprise-scale applications and systems. Should 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-performance server-side development. • Basic working knowledge of Unix/Linux. • Excellent problem solving and coding skills. • Strong interpersonal, communication and analytical skills. • Should have the ability 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 has successfully 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 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. 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.
Job Title: Java Full Stack Developer
Location: Bangalore
Experience: 3–9 Years
Employment Type: Full-Time
Role Overview
We are looking for an experienced Java Full Stack Developer with strong backend expertise in Java and frontend experience in modern UI frameworks. The ideal candidate should be capable of designing scalable backend services and developing responsive user interfaces.
Key Responsibilities
- Develop and maintain scalable applications using Java (8/11/17)
- Build RESTful APIs using Spring Boot / Spring MVC
- Design and develop frontend applications using Angular / React / Vue.js
- Work with relational databases like MySQL / PostgreSQL / Oracle
- Implement Microservices architecture
- Integrate third-party APIs and external systems
- Write unit and integration test cases
- Participate in code reviews and Agile ceremonies
- Ensure application performance, security, and scalability
- Work with CI/CD pipelines for deployment
Required Skills
Backend:
- Strong knowledge of Core Java
- Spring Boot, Spring MVC, Spring Security
- REST API development
- Microservices architecture
- Hibernate / JPA
- SQL & Database design
Frontend:
- Angular (8+) or React.js
- HTML5, CSS3, JavaScript, TypeScript
- Bootstrap / Material UI
DevOps & Tools:
- Git
- Maven / Gradle
- Jenkins / Azure DevOps
- Docker (Good to have)
- Kubernetes (Preferred)
Preferred Skills
- Cloud experience (AWS / Azure / GCP)
- Kafka / Messaging systems
- Redis / Caching mechanisms
- Agile/Scrum methodology
- Interacting with and performance tuning multi-tiered application systems.
- Technically leading complex store system projects including estimating requirements, designing systems, and helping develop solutions.
- Being adaptive to the use of new software and programming techniques as they are required or adapted in IT.
- Acquiring and maintaining additional technical skills for professional development.
- Developing software solutions to meet customer needs.
- Creating and implementing the source code of new applications.
- Testing source code and debugging code.
- Evaluating existing applications and performing updates and modifications.
- Developing technical handbooks to represent the design and code of new applications.
- Being responsible for working with all levels of the business and the development team to establish, promote, and enforce architectural guidelines as well as assisting in the implementation and problem resolution of existing applications and requests.
- Ensuring work meets functionality and quality expectations within given timelines.
What you need to have:
- Experience in application development utilizing JAVA, Spring, SQL, Log4j, IOS, Web Services, JavaScript, and Oracle databases.
- Strong Knowledge of EMV/ NFC Standards
- POS development experience required
- Thorough knowledge of financial institutions, payment processing flows especially electronic payments, and the financial networks for processing.
- Must be able to command the attention and respect of highly technical associates.
- Demonstrated track record of successful system and project implementations.
- Excellent organization skills and attention to detail, including the ability to prioritize and manage a variety of complex projects and activities.
- Strong problem solving, analysis, design, and testing skills.
- Having around 10+ years of Experience in IT industry in Software Development.
- Having strong Python full stack developer.
- Having work Experience in OpenStack,Ansible, Shellscript, Chef, Puppet, Docker,ELK,OpenTSDB, Kafka, Zookeeper, Grafan
- Having work experience in SDN/NFV
- Having work experience in AWS,AZURE Cloud
- Experience in Python, HTML, CSS
- Having work experience in Open source and Open Flow Controller(SDN).
- Having work experience in Zabbix, Nagiso, OpenNMs Monitoring tool.
- Experience in Aglie methodology.
- Having work experience in Type1&Type2 Hypervisors and KVM.
- Having good knowledge on OOP'S concepts and Django ORM.
- Good Knowledge on MySQL ,Postgresql, HDFS, Timeseries
- Basic Knowledge on Javascript and Jquery.
- Good Knowledge on ONOS,OpenKilda,Mininet.
- Having work experience in SDN/NFV, Orchestration
- Having work experience in Supply Chain Management system.
- Having work experience in MVT/MVC architecture.
- Having good knowledge networks, devices, service modeling and automation in systems.
- Having work experience on API & JSON implementation.
- Good Understanding of Software Development (i.e. SDLC)
- Good team player enthusiastic and quick learner
- Good interpersonal skill, commitment, result oriented with a quest and learn new technologies and understanding challenging tasks
The primary responsibilities include:
- Responsible for the overall software development lifecycle.
- Management and execution against project plans and delivery commitments
- Drive effective, mature Agile practices and continuous execution improvements within your teams.
- Manage stakeholder planning and communications ensuring key outcomes
- Recruit, coach, and mentor the best engineering and management talent
- Build, coach, and manage a strong team of engineers that set the standard and can up-level the overall talent of the extended organization.
- Provide a strong understanding of native mobile developer platforms and bring broad thought leadership to the next generation mobile developer experience.
- Anticipate and aggressively remove obstacles that slow down or prevent products and programs from delivering on product and program objectives.
- Balance urgent and effective action, commitment to excellence, and taking the initiative to resolve problems; holds internal stakeholders accountable where appropriate.
REQUIRED
- 8+ years of industry experience with 2+ years of senior leadership experience.
- Solid track record of over-achieving engineering and platform delivery and scaling targets in high volume, innovative and fast-paced high-pressure environment; proven results in delivery on platform product.
- Deep understanding of one or more of Java/Python/Scala. Ability to understand and critique the core library/language constructs with skilled knowledge on UI technologies like Angular 2+, React, D3.JS
- Working experience with Agile methodologies and durable team concepts.
- Knowledge in DevOps practices and tools.
- Knowledge in Cloud Technologies, CI/CD, Jenkins, Testing methodologies is preferred.
- Experience in server-side services using ElasticSearch, Kafka
- A strong track record of project delivery for large, cross-functional, projects and bringing in and growing engineering talent
- Excellent written and verbal communication skills with the ability to present complex technical information clearly and concisely to a variety of audiences.
We are looking for a Full Stack Developer to produce scalable software solutions.
You’ll be part of a cross-functional team that’s responsible for the full software
development life cycle, from conception to deployment.
As a Full Stack Developer, you should be comfortable around both front-end and
back-end coding languages, development frameworks and third-party libraries. You
should also be a team player with a knack for visual design and utility.
If you’re also familiar with Agile methodologies, we’d like to meet you.
Responsibilities
• Work with development teams and product managers to ideate software
solutions.
• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design.
• Develop and manage well-functioning databases and applications.
• Write effective APIs.
• Test software to ensure responsiveness and efficiency.
• Troubleshoot, debug and upgrade software.
• Create security and data protection settings.
• Build features and applications with a mobile responsive design.
• Write technical documentation.
• Work with data scientists and analysts to improve software.
Requirements
• Proven experience as a Full Stack Developer or similar role
• Experience developing desktop and mobile applications.
• Familiarity with common stacks
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS,
JavaScript, XML, jQuery)
• Knowledge of multiple back-end languages (e.g. C#, Java, Python) and
JavaScript frameworks (e.g. Angular, React, Node.js)
• Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g.
Apache) and UI/UX design
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• An analytical mind
• Degree in Computer Science, Statistics or relevant field
Job title: Full Stack Developer
Location : Chandigarh
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About the Role: We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment. As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility. Responsibilities
Requirements
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The candidate will need to demonstrate previous experience of taking a client's requirements and translating them into technical specifications. The candidate will have to have previous examples of how he/she has worked with internal customers and technical peers.
The ideal candidate should have 3 to 5 years’ experience within a web application development environment.
Experience with PHP, HTML, CSS, MySQL, SOAP/REST, JavaScript, AJAX, etc. is a must. Following are the key area we are expecting you to have strong command on:
- Analytical Skills
- Algorithms
Responsibilities and Duties
- Development of software extensions to vTiger CRM/Drupal/WordPress and any other PHP based application
- Development of integration between CRM and ERP systems provided by Target Integration and any other system using their APIs
- Development and maintenance of code in Gitlab (In-house git server)
- Managing tickets and updating them regularly in Redmine (Project and Ticket Management Platform)
- Providing solutions to the pre-sales team on new projects
- Supporting the existing development team
Qualifications and Skills
- Coming up with ideas to help grow the team
- Data Structure
- Data Modelling Concepts
- Object-Oriented Design Principles and Concepts
- MVC – Pattern in Depth.
- Aware of Various other commonly used design patterns like Factory, Abstract Factory, etc.
- PHP, MYSQL, HTML, CSS, JS, JSON, Webservices
- Object-Oriented PHP
- SQL In general, Procedure, triggers, functions, etc.
- Query Designing.
- Thorough understanding of HTTP.
- Version Control (specifical git) and bug tracking software knowledge are important.
Benefits
- Linux system administration experience will be useful
- Experience of working on at least two of Joomla/Drupal/vTiger CRM or Sugar CRM is a must
- Strong understanding of relational database design
- Experience in creating professional-looking web interfaces using CSS and HTML
- Understanding of business processes
- Ideally, they should have worked on CRM/ERP/Accounting applications
- Excellent written and spoken communication skills
Job Type: Full-time









