Java Developer

Wissen Technology is now hiring for Java Developer with hands on experience in Core Java, multithreading, algorithms, and data structure.

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.

A brilliant opportunity to become a part of highly motivated and expert team which has made a mark as a high-end technical consulting.

Required Skills:

Experience - 3+.

Experience in Core Java 5.0 and above, CXF, Spring.

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 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.

Responsibilities:

● Design, develop, test, and maintain software applications using Java technologies.

● Implement robust solutions using Spring MVC, Spring Boot, and Hibernate frameworks.

● Develop and optimize database operations with MySQL.

● Analyze and solve complex problems by applying knowledge of data structures and algorithms

Requirement -

Programming Languages & Technologies: Strong knowledge of Java (Core Java, Java 8+).

● Frameworks: Proficiency in Spring MVC, Spring Boot, and Hibernate. ● Algorithms and Data Structures: Good understanding and practical application of DSA concepts.

● Databases: Experience with MySQL – writing queries, stored procedures, and performance tuning.

● Version Control Systems: Experience with tools like Gi

About the Role

We are seeking a passionate and skilled Java + Kotlin Developer to join our growing engineering team. You’ll be responsible for building scalable backend systems and modern Kotlin-based applications, with opportunities to work on both Android and server-side development.

What You'll Do

• Develop and maintain robust backend services using Java and Spring Boot
• Design and implement modern applications using Kotlin (Android or Multiplatform)
• Work on APIs, microservices, and system integrations
• Collaborate with cross-functional teams in an Agile environment
• Write clean, maintainable, and testable code

Key Requirements

• 3+ years of hands-on experience with Java and Kotlin
• Strong grasp of Spring Boot, REST APIs, and microservices architecture
• Experience with Android Development or Kotlin on JVM
• Familiar with Git, Gradle, and CI/CD tools
• Bonus: Experience with Jetpack Compose, Kotlin Coroutines, or Kotlin Multiplatform

Good to Have

• Familiarity with cloud platforms like AWS / GCP
• Knowledge of Docker, Kubernetes, or DevOps practices
• Previous experience in a startup or fast-paced product environment

Requirements: Job Description

• Excellent knowledge in Core Java (J2SE) and J2EE technologies.
• Hands-on experience with RESTful services, API design are must.
• Knowledge of microservices architecture is must.
• Knowledge of design patterns is must.
• Strong knowledge in Exception handling and logging mechanism is must.
• Agile scrum participation experience. Work experience with several agile teams on an application built with microservices and event-based architectures to be deployed on hybrid (on-prem/cloud) environments.
• Good knowledge of Spring framework (MVC, Cloud, Data and Security. Etc) and ORM framework like JPA/Hibernate.
• Experience in managing the Source Code Base through Version Control tool like SVN, GitHub,Bitbucket, etc.
• Experience in using and configuration of Continuous Integration tools Jenkins, Travis, GitLab, etc.
• Experience in design and development of SaaS/PaaS based architecture and tenancy models.
• Experience in SaaS/PaaS based application development used by a high volume of subscribers/customers.
• Awareness and understanding of data security and privacy. Experience in performing Java Code Review using review tools like SonarQube, etc.
• Good understanding of end-to-end software development lifecycle. Ability to read and understand requirements and design documents.
• Good Analytical skills and should be self-driven.
• Good communication with inter-personal skills. Open for learning new technologies and domain.
• A good team player and ready to take up new challenges. Active communication and coordination with Clients and Internal stake holder

Requirements: Skills and Qualifications

• 6-8 years of experience in developing Java/J2EE based Enterprise Web Applications
• Languages: Java, J2EE, and Python
• Databases: MySQL, Oracle, SQL Server, PostgreSQL, Redshift, MongoDB
• DB Script: SQL and PL/SQL
• Frameworks: Spring, Spring Boot, Jersey, Hibernate and JPA
• OS: Windows, Linux/Unix.
• Cloud Services: AWS and Azure
• Version Controls/ Devops tools: Git, Bitbucket and Jenkins.
• Message brokers: RabbitMQ, and Kafka
• Deployment Servers: Tomcat, Docker, and Kubernetes
• Build Tools: Gradle/Maven

Requirements

• 3+ years of experience in the Development of JAVA technology.
• Strong Java Basics
• Linux
• SpringBoot or Spring MVC
• Hands-on experience in Relational Databases (SQL query or Hibernate) + Mongo (JSON parsing)
• Proficient in REST API development
• Messaging Queue (RabitMQ or Kafka)
• Microservices
• Java 8
• Any Caching Mechanism
• Good at problem-solving

Good to Have Skills:

• 3+ years of experience in using Java/J2EE tech stacks
• Good understanding of data structures and algorithms.
• Excellent analytical and problem-solving skills.
• Ability to work in a fast-paced internet start-up environment.
• Experience in technical mentorship/coaching is highly desirable.
• Understanding AI/ML algorithms is a plus.

The Solution Architect plays a critical role in the architecture design and development of globally consistent Liquidity and Cash Management solutions and is a key contributor to the overall delivery in a fast-paced and challenging environment.

Responsibilities:

• Develops technology road maps, while keeping up-to-date with emerging technologies, and recommends business directions based on these technologies
• Provides technical leadership and is responsible for developing components of, or the overall systems design.
• Translates complex business problems into sound technical solutions.
• Provides integrated systems planning and recommends innovative technologies that will enhance the current system.
• Contribute to ongoing architecture governance and reviewing proposed solutions.
• Lead integration of new and existing components with ICG Platforms.

Qualifications:

• 10+ years relevant experience
• Experience as Full-Stack Developer and Experience as Architect Desired
• Understanding of integration technologies concepts like Webservices, REST API etc
• Familiar with DevOps tools like Maven, Jenkins, Bitbucket etc
• Consistently demonstrates clear and concise written and verbal communication
• Management and prioritization skills
• Ability to develop working relationships
• Ability to manage multiple activities and changing priorities
•  

Education:

• Bachelor’s/University degree or equivalent experience, potentially Masters degree