AEM Developer

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. 

Position: AEM Developer – Backend (Apple)

Locations: Hyderabad, Chennai, Bangalore, Bhubaneswar, Pune, Mumbai

• Interview Rounds: 2 Technical
• Notice Period: Immediate to 30 days

Experience Required

• 7–10 years total IT experience (Minimum 7+ years mandatory)
• 4+ years hands-on experience in AEM Backend
• 4+ years strong Java Core development experience

Key Skills & Responsibilities

• Strong Core Java (Collections, Exception Handling, Design Patterns, Multithreading)
• Hands-on experience with AEM 6.4+
• Expertise in Sling, OSGi, JCR, WCM APIs, Sling Models
• Strong knowledge of Workflows, Workflow Launchers, Event Handlers, Schedulers, Sling Jobs
• Experience in REST APIs, JSON, Lucene Indexing
• Knowledge of Sightly (HTL), Touch UI, Editable Templates, Clientlibs
• Exposure to Coral/Granite UI customization
• Experience with Query Builder, Indexing, Session Handling
• Strong understanding of AEM Security (ACL, SSO)
• Performance tuning: Dispatcher caching, query optimization
• Infrastructure setup: Dispatcher, Apache, Cronjobs
• Experience with TarMK, MongoMK, S3 persistence
• Build & Deployment using Maven, Jenkins, CI/CD
• Experience in AEM upgrades (Service Packs, Version Upgrade, Migration)
• Knowledge of Headless CMS, MSM, API integrations
• Exposure to Automated Testing tools (Junit, Selenium)
• Good understanding of DXP landscape
• Prior Apple project experience is a strong plus

ompany Name – Wissen Technology

Group of companies in India – Wissen Technology & Wissen Infotech

Job Title: Java Developer

Experience range:- 3-6 Years

Location:- Chennai

Face 2 Face Drive : Friday & Saturday (11th & 12th July 2025)

·    Strong written/verbal communication skills

·      Minimum 3+Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork joins pool and other threading concepts)

·    Good knowledge of the JVM with an understanding of performance and memory optimization.

•  Good experience in Spring boot.
•  Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).

•  Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.

•  Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.

•  Expert level understanding of Object-Oriented Concepts and Data Structures

•  Good experience in Database (Sybase, Oracle or SQL Server) like indexing (clustered, non-clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.

• Strong experience in Core Java, Multi-Threading, data structures (List/Map/Set) and unit testing with (Junit, Mockito)
• Strong experience with Spring Framework (Spring MVC, Spring REST, Spring Data), ORM frameworks (JPA, Hibernate) and RDBMS (Oracle/MySQL/Postgres)
• Strong experience in applying Object-Oriented design principles and Design Patterns
• Good knowledge of Multi-Tier architecture, Micro Services architecture and Service Oriented Architecture 
• Exposure to AWS Cloud, NoSQL Database (Mongo, Cassandra), Message Broker (Active
• MQ/RabbitMQ/Apache Kafka) and Big Data Technologies (Hadoop/Hive/Spark)
• Additionally, must possess capability to review code, produce technical specification document
• and knowledge of code quality tools (PMD/FindBugs/Sonar)

Role – Senior Developer (Back End)

Location - Bangalore

Experience 5+ Years

Responsibilities

• Responsible for design & developing products involving Java, JEE, Springboot.
• Object-oriented analysis and design using common design patterns.
• Deep insight of Java and JEE internals such as memory management, transaction management, etc.
• Design and develop features and modules for mission-critical applications.
• Contribute in all phases of the development lifecycle.
• Ensure designs are in compliance with specifications.
• Prepare and produce releases of software components.
• Mentoring and guiding the team members.
• An ability to perform well in a fast-paced environment and bring in optimal flow for rapidly changing design/ technology.
• Implementation of API.

Requirements

• 5+ years of experience in strong core java & J2EE skill
•  5+ years of experience in Spring Boot.
• 5+ years of experience in Spring and REST/SOAP services
• Strong knowledge in Java web application design and development
• Strong knowledge of Spring frameworks (Spring Boot, Spring integration, Spring Security, etc.), JPA, RESTful APIs
• Experience with design and development of highly available, distributed and scalable transactional enterprise systems
• Results oriented and focused on meeting deliverable timelines.
• A team player with excellent communication skills.

Responsibilities

Understand systems enabling third party integration 

Translate business requirements to the APIs and SDKs exposed by these systems. Figure out the optimum interfaces to interact with these. 

Build generic connectors to interact with these technologies. 

Design, implement, deploy and maintain the connectors. 

Minimum Qualifications 

Bachelor’s degree in Computer Science or related fields. 

Experience needs to be around 8+ years 

Strong problem-solving skills. 

Ability to understand the technology and its APIs in quick time. 

Strong design pattern fundamentals. 

Good core java skills like Multi-threading, collection framework. 

Good communication and mentorship skills 

Ability to put together architecture diagrams and designs 

• Experience in designing and developing web-based applications using Java, J2EE, Web Services, MVC framework, Servlets Spring, Hibernate, Struts, REST, MYSQL.
• Experience in Database application programming for MySQL server using
  Stored Procedures, Triggers, Views etc.
• Experienced in implementing presentation layer using JSP, HTML, CSS, Ajax, JQuery. Java script.
• Formulated AWS (EC2, S3, Elastic Beanstalk, RDS, Route53, SG, ELB, IAM, CloudWatch). (ABOVE ONLY NEEDED FOR 7+ EXPERIENCE)
• Experienced in Analysis, Design, Development, Integration, Deployment
  and Maintenance of Web services, Client Server and Web based applications.
• Well versed with Agile development process, Scrum.
• Good knowledge in version control system tools like GIT.
• Ability to take independent responsibility as well as ability to contribute and be a productive team member.
• Excellent analytical, logical and programming skills, Self-Motivated, Self-Starter, Team Player can work with minimal supervision with effective Communication
  skills and Organizational skills combined with attention and Time management skills.