
Minimum 7-12 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, Hashmap, HashTable, 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.

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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Job description
Note: Applications are welcome from candidates who are immediate joiners or currently serving their notice period.
Key Responsibilities:
- Design, develop, and test low-latency, high-volume client-facing applications.
- Develop and maintain enterprise-scale, n-tier applications for the investment banking/capital markets domain.
- Implement microservices-based solutions using Spring Boot and other modern frameworks.
- Work extensively with Core Java 5.0 and above, Spring Framework, and CXF
- Optimize applications for multi-threading and high-performance server-side development
- Collaborate with cross-functional teams to design and implement scalable, secure, and efficient solutions
- Work with RDBMS (preferably Sybase) to handle large-scale data processing.
- Develop and maintain applications on Unix/Linux environments
- Utilize enterprise application design patterns to build robust and scalable solutions.
- Troubleshoot and resolve complex technical issues while ensuring application stability and performance.
Required Skills & Experience:
- 5 to 10 years of hands-on experience in Java development
- Strong knowledge of microservices architecture and cloud-based deployment.
- Expertise in Spring Framework, Spring Boot, and CXF
- Experience in developing and optimizing applications for high-volume, multi-threaded environments
- Solid understanding of financial domain applications, sales, and trading platforms
- Proficiency in working with relational databases (Sybase preferred)
- Familiarity with Unix/Linux environments and shell scripting.
- Strong analytical, problem-solving, and communication skills.
- Ability to articulate and present design ideas effectively.
Role Overview
The Senior Adobe Experience Manager (AEM) Developer will lead the design, development, and maintenance of Government of Rajasthan’s portal websites built on the AEM platform. This role involves leading technical solutions, performance optimization, security compliance, and guiding the development team.
Key Responsibilities
- Lead the design and development of complex components and templates in Adobe Experience Manager (AEM).
- Manage AEM configurations, workflows, and permissions for multiple portals.
- Develop and integrate custom OSGi bundles, Sling models, and components.
- Ensure performance tuning, caching strategies, and scalability of AEM solutions.
- Handle dispatcher configuration and optimization for content delivery.
- Collaborate with architects and project managers for solution design.
- Ensure compliance with Safe-to-Host and OWASP security standards.
- Mentor junior developers and review their code for quality.
- Integrate with third-party services (Payment Gateway, SMS Gateway, etc.).
- Manage version control (Git) and deployment pipelines (Jenkins).
Required Skills
- 5+ years of experience in Adobe Experience Manager (AEM 6.3 or above).
- Strong expertise in Java/J2EE, OSGi, Apache Sling, JCR (Jackrabbit Oak).
- Hands-on experience with HTL (Sightly), HTML5, CSS3, JavaScript, jQuery.
- Good understanding of Dispatcher, Apache HTTP Server, and performance tuning.
- Knowledge of REST/SOAP APIs and system integration.
- Familiarity with Git, CI/CD tools (Jenkins).
- Excellent problem-solving and team leadership skills.
Preferred Certifications
Adobe Certified Expert (AEM Sites Developer or Architect).
Responsibilities:
• Take on complex problems that span multiple components and teams.
• Independently own one or more multiple modules, which include: requirement analysis, design, development, maintenance & support
• Write extensive, efficient code to address complex modules that handle the interaction between multiple components.
• Rapidly iterate to add new functionalities and solves complex problems with simple and intuitive solutions
• Produce architecture with clean interfaces, that are efficient and scalable
• Participate and contribute to architectural discussions
• Solve production issues. Investigate and provide solutions to minimize the business impact due to the outage
• Continuously improve performance metrics of modules you own.
• Collaborate effectively across teams to solve problems, execute and deliver results
Requirements:
• Experience: 3+ years
• A Bachelor's or Master's Degree in Computer Science
• Software engineering and product delivery experience, with a strong background in algorithms
• Experience in architecting & building real-time, large-scale e-commerce applications
• Experience with high-performance websites catering to millions of daily traffic is a plus
• Excellent command over Data Structures and Algorithms
• Experience with web technologies, Go/Java/Python
• Language: GO or Python
• Strong expertise in DS and Algo
• Strong leadership skills - have experience mentoring, building products from scratch or incumbent in design and architecture.
• Have worked in the scaling of the system right from scratch.
• Someone worked in small user base to a large user base and wrote optimized code
• Both HLD and LLD
For a decade and a half, MAG Finserv has assisted 1 lakh+ customers in overcoming their financial obstacles growing its loan book 60 times. Our partners include leading Banks like SBI, Federal Bank, City Union Bank among others. We are growing out of our home State Maharashtra and setting up a pan-India presence.
People are at the core of what we do. To meet the future growth targets, we are setting up a ninja technology team and offer a rewarding career with learning and growth. We offer a flexible hybrid model for maintaining a healthy work-life balance.
Responsibilities:
● Design, implementation, and deployment of successful LOS/LMS system features and services in support of our lending operations and the businesses they support
● Resolve bugs in the software features and deliver them on time with high quality
● Participate in the definition of secure, scalable, and low-latency services and efficient physical processes
● Work with cross-functional teams delivering on demanding projects
● Functionally decompose complex problems into simple, straight-forward solutions
● Understand system inter-dependencies and limitations
Requirements:
● Engineering degree in Computer Science/IT with a good academic performance throughout
● 5+ years of experience in developing applications end-to-end
● 1+ years of system design or architecture experience (architecture, design patterns, reliability and scaling) of new and current systems
● Expertise in Java, Spring Boot, Spring MVC, Angular and ruby on Rails tech stacks
● Functional understanding/experience of finance/lending domain is a plus
● Functional/Technical understanding of apache fineract/mifos is a plus
Location: Hybrid in Pune, Maharashtra
Providing technical expertise for every phase of the project lifecycle—from concept
development to solution design, implementation, optimization and support. Interacts
with a set of clients (client senior developers and architects) to create technology
specifications from business requirements for one of the modules within the project.
Prepares the technical design of the more complex technology components within the
module (one or more of client/web presentation tier, server tier, data access and data
model, integration component, package function customization).
Assists the architect in articulating the pros and cons of using a certain technology stack
or component or design pattern versus another to the clients and project team and
drives selection of technologies, designs to come up with the optimal architecture.
Drives the performance tuning, re-design and re-factoring for a module.
Contributes to designing and implementing the build, releases process as well as system
configuration and deployment characteristics of the application.
Required Tech Stack
2+ years of strong development skills in Java with JDK 1. 8 & above version &
Microservices with Spring boot/ Spring.
Should have strong acumen in Data Structures, Algorithms, problem-solving and Logical/
Analytical skills.
Thorough understanding of OOPS concepts, Design principles and implementation of
different type of Design patterns.
Sound understanding of concepts like Exceptional handling, Serialization/Deserialization
and Immutability concepts, etc.
Good fundamental knowledge in Enums, Collections, Annotations, Generics, Auto
boxing, etc. Experience with Multithreading, Concurrent Package and Concurrent APIs Basic
understanding of Java Memory Management (JMM) including garbage collections
concepts.
Experience in RDBMS or NO SQL databases and writing SQL queries (Joins, group by,
aggregate functions, etc.)
Experience with at-least one NoSQL (Any of Cassandra/Couch base/Hadoop), Hands-on
experience with JMS
Hands-on experience in creating RESTful webservices and consuming webservices
Hands-on experience with Spring.
Hands-on experience with any of the logging frameworks (SLF4J/LogBack/Log4j)
Experience of writing Junit test cases using Mockito / Powermock frameworks.
Should have practical experience with Maven/Gradle and knowledge of version control
systems like Git/SVN etc.
Good communication skills and ability to work with global teams to define and deliver
on projects.
Sound understanding/experience in software development process, test-driven
development
• Strong leadership skills; 3 years experience leading development teams.
• Experience architecting technical designs based on functional and business requirements.
• Project Management skills
• Exceptional communication skills, verbal and written
• Should be able
• To produce high quality technical documentation for our customers
• To decompose technical tasks and provide accurate estimates
• To coach less experienced members of your team
• To undertake development tasks without supervision, including software designing, programming and Unit testing
• To monitor progress and provide updates to the Project Manager
Who are able to work individual as well as Team work with Good Speed and accurecy.
Java Developer
Responsibilities
● Design and development of RESTful Web Services.
● Hands on database experience (Oracle / PostgreSQL / MySQL / SQL Server).
● Hands on experience with developing web applications leveraging Spring Framework.
● Hands on experience with developing microservices leveraging Spring Boot.
● Knowledge in Application Server Tomcat.
● Continuous Integration tools (Jenkins).
● Ability to communicate effectively in English, with good verbal and written skills.
● Strong believer and follower of SDLC principles with an emphasis on Quality & Standards
based
● development.
What we need
● 7+ years of experience in Java/J2EE technologies
● Core Java
● Spring Framework
● Spring DI, Spring AOP, Autowiring
● Spring Boot, Kafka
● Spring ORM / Spring Data JPA
● Willing to learn technology/domain on demand basis
● Good team interactions.











