
Required Skills for the Java role :
- Experience in Core Java, CXF, Spring.
- Experience in spring boot, microservices.
- Extensive experience in developing enterprise-scale n-tier applications for the financial domain. 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, preferably Sybase database
- Good knowledge of multi-threading and high volume server side development
- Experience in sales and trading platforms in investment banking/capital markets
- 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.
- Bachelor's/Master’s degree in Computer Science or related field from a top-tier institute (IIT, NIT, BITS, etc.).

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.
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Key Responsibilities:
· Design, develop, and maintain AEM-based backend solutions, components, and templates.
· Develop custom AEM Sling models, servlets, services, and OSGi components.
· Build and integrate RESTful services and APIs to support frontend and third-party systems.
· Work closely with frontend developers and AEM content authors to support dynamic content delivery.
· Develop automation scripts using Java/Python for data handling, deployment, and reporting needs.
· Implement AEM workflows, user permissions, and version control for content.
· Troubleshoot and resolve technical issues in AEM environments.
· Optimize AEM performance, scalability, and security configurations.
What You’ll Bring:
· Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent work experience.
· Proven experience delivering high-quality web applications.
Mandatory Skills
· 3+ years of experience in AEM backend development.
· Strong hands-on experience with Java, OSGi, Sling, and JCR.
· Experience with Python for backend scripting, automation, or integration tasks.
· Knowledge of AEM architecture including dispatcher, replication agents, and workflows.
· Experience working with AEM APIs, servlets, event handlers, schedulers, and custom components.
· Understanding of REST APIs, JSON/XML data handling.
· Familiarity with Maven, Git, Jenkins, and Agile development practices
Preferred Skills (Nice to Have):
· Exposure to Adobe Experience Cloud tools like Adobe Target, Analytics, Campaign.
· Working knowledge of cloud-based AEM (Adobe as a Cloud Service) is a plus.
· Basic familiarity with frontend technologies (React/Angular/HTL) is beneficial.
Job Description below :
Role: Java Developer
JOB REQUIREMENT
Location: Bangalore
Skills -
- DS Algorithms
- Oops Concept
- Java
- Spring
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
Key Responsibilities:
- Design, develop, and maintain robust and scalable backend applications using Core Java and Spring Boot.
- Build and manage microservices-based architectures and ensure smooth inter-service communication.
- Integrate and manage real-time data streaming using Apache Kafka.
- Write clean, maintainable, and efficient code following best practices.
- Collaborate with cross-functional teams including QA, DevOps, and product management.
- Participate in code reviews and provide constructive feedback.
- Troubleshoot, debug, and optimize applications for performance and scalability.
Required Skills:
- Strong knowledge of Core Java (Java 8 or above).
- Hands-on experience with Spring Boot and the Spring ecosystem (Spring MVC, Spring Data, Spring Security).
- Experience in designing and developing RESTful APIs.
- Solid understanding of Microservices architecture and related patterns.
- Practical experience with Apache Kafka for real-time data processing.
- Familiarity with SQL/NoSQL databases such as MySQL, PostgreSQL, or MongoDB.
- Good understanding of CI/CD tools and practices.
- Knowledge of containerization tools like Docker is a plus.
- Strong problem-solving skills and attention to detail.
JD:
As a Software Development Engineer at Amazon, you have industry-leading technical abilities and demonstrate breadth and depth of knowledge. You build software to deliver business impact, making smart technology choices. You work in a team and drive things forward.
Responsibilities:
- You solve problems at their root, stepping back to understand the broader context.
- You develop pragmatic solutions and build flexible systems that balance engineering complexity and timely delivery, creating business impact.
- You understand a broad range of data structures and algorithms and apply them to deliver high-performing applications.
- You recognise and use design patterns to solve business problems.
- You understand how operating systems work, perform and scale.
Requirements:
- You write high quality, maintainable, and robust code.
- You recognise and adopt best practices in software engineering: design, testing, version control, documentation, build, deployment, and operations.
- You have experience building scalable software systems that are high-performance, highly-available, highly transactional, low latency and massively distributed.
- Bachelors or Masters in Computer Science or relevant technical field.
- Experience in software development and full product life-cycle.
- Excellent programming skills in any object oriented programming languages - preferably Java, C/C++/C#, Perl, Python, or Ruby.
- Strong knowledge of data structures, algorithms, and designing for performance, scalability, and availability.
- Proficiency in SQL and data modeling.
- Experience with Hybris 6.x/ 1905/ 2005 with knowledge of Hybris B2C-ACCELERATOR/HYBRIS -B2B-ACCELERATOR, Hybris back- office, Hybris Frontend WCMS cockpit, product cockpit, Hybris core, Hybris Commerce, Hybris Search, Hybris OCC, Solr Customization
- Experience working on core Java, JSP/Servlets, JEE, Spring, Services (SOAP, REST), Design Patterns, Apache, Tomcat, Build Tools- Ant/Maven/Jenkins, SCM Tools - CVS/SVN/ GIT Hub
- Knowledge of one or more modules HYBRIS-PIM, HYBRIS-PROMOTIONS, HYBRIS-OMS, HYBRIS -TRAVEL-ACCELERATOR
- Additional skills in SOA, ESB, JMS
- Knowledge of high-quality professional software engineering practices for agile software development cycle, including coding standards, code reviews, source control management, build processes, testing, and deployment
- Experience in eCommerce/Hybris payment integration, 3rd Party integration development.
- Preferable to have development experience in Spartacus Hybris module.
- Preferable to have exposure to Azure cloud (Hybris CCV2)
- Fundamental knowledge of design patterns.
- Experience in communicating effectively with users, other technical teams, and management to collect requirements, describe software product features and technical designs
- Passionate about building great solutions
- Mentoring the team members to meet the clients’ needs and holding them accountable for high standards of delivery
- Willing to work in Shifts to support Production environment and Samsung.com Global eCommerce client requests.
- Collaborating with the front-end developers and other team members to establish objectives and design more functional, cohesive codes to enhance the user experience.
- Own code for the products with responsibilities including but not limited to designing, developing, testing, maintenance of products.
- Building RESTful services and do DevOps.
- Talking to customers and business teams to suggest improvement areas in product flows.
- Create peer learnings for team members and build context for new teammates
- Help with building the company's tech team and iterating on the hiring framework.
- Provide regular feedback to your team (peers and managers) to ensure continuous improvement.
- Keeping abreast with the latest technologies and working on your skills regularly.
Skills & Requirements
- Good knowledge and experience of working with backend systems; designing server-side architecture, including production maintenance experience are must-haves.
- At least 1-8 years of experience in any programming languages like Java, Ruby, PHP, Python, and Node.js(Node.js preferred).
- Understanding of micro-services-oriented architecture.
- Experience with Databases design (SQL, NoSQL) and analytics
- Experience in driving and delivering complex features/software modules from technical design to launch.
- Expertise with unit testing & Test Driven Development (TDD)
- Have empathy for the users you build for
Good to have
- Experience in the fintech industry
- Experience leading design and implementation of robust and secure web services
Qrata is currently searching for a full stack developer for a YC backed product startup.
Familiar with push notifications service and socket programming
Self-motivated with the ability to work independently or jointly in a self-directed way.
Demonstrated successful development of enterprise-grade web applications
Proven analytical and problem-solving capabilities
Comfortable leading product development
Strong work ethic and desire to build industry-leading products
Startup experience
Worked on product development
Responsibilities:
- Strong Technical Chops: You should know how to build highly scalable, robust, and fault-tolerant services that support our unique rate-of-growth requirements.
- You should be on top of the latest architectural trends.
- Fast Learners: We are looking for folks who thrive on new technologies and don't believe in one-size-fit all solutions.
- You should be able to adapt easily to meet the needs of our massive growth and rapidly evolving business environment.
- You understand requirements beyond the written word.
- Whether you're working on an API used by other developers, an internal tool consumed by our operation teams, or a feature used by millions of customers, your attention to details leads to a delightful user experience.
Requirements:
- Strong knowledge of MySQL, NoSQL, PostgreSQL, ElasticSearch.
- Experience in Java and web technologies.
- Experience in any one scripting language like Python.
- Hands-on experience with systems that are asynchronous, RESTful and demand concurrency.
- Knowledge of best software engineering practices for all stages of software development life cycle, including coding standards, code reviews, testing and deployment.










