
Essential Requirements:
- 5+ years of Software development experience
- Hands on development experience using Java technology stack with focus on architecture and design.
- Hands-on in Java Programming, J2EE, Spring or SpringBoot, Hibernate, RestAPI, Data Structures, Design Patterns, Oracle Database, PL/SQL
- Experience in application servers with prime focus on Tomcat.
- Experience in messaging systems such as RabbitMQ.
- Experience working in Linux/Unix environments. Must be hands on with Object Oriented concepts along with passion for design patterns and applicability.
- Relevant experience in Java frameworks like Spring Microservices, Spring-Boot, Hibernate, JPA etc.
- Understanding of developer testing practices and the differences between unit, functional, and system tests,
- Should have working experience in a CI/CD environment where build & test is automated.
- Should have working experience in tools like Maven, Jenkins, Bamboo etc.
- Should have used testing Frameworks such as JUnit, Selenium
- Ability to quickly learn and apply new concepts or principles
- Ability to work effectively as part of global team
- Experience working in an agile environment.
- Experience in Azure and AWS Development and Deployment, Active Directory, Containerization.

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JOB DESCRIPTION
Experience: 5-8 years
Location: Mumbai
Wissen Technology is now hiring for a Senior 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. - 5-8 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 Us:
At Wissen Technology, we deliver niche, custom-built products that solve complex business challenges across industries worldwide.
Founded in 2015, our core philosophy is built around a strong product engineering mindset—ensuring every solution is architected and delivered right the first time. Our commitment to excellence translates into delivering 2X impact compared to traditional service providers. How do we achieve this? Through a combination of deep domain knowledge, cutting-edge technology expertise, and a relentless focus on quality.
We don’t just meet expectations—we exceed them by ensuring faster time-to-market, reduced rework, and greater alignment with client objectives. We have a proven track record of building mission-critical systems across industries, including financial services, healthcare, retail, manufacturing, and more.
Wissen stands apart through its unique delivery models. Our outcome-based projects ensure predictable costs and timelines, while our agile pods provide clients the flexibility to adapt to their evolving business needs. Whether it’s AI/ML for unstructured data processing, cloud enablement, or data engineering, Wissen leverages its thought leadership and technology prowess to drive superior business outcomes. Our success is powered by top-tier talent. Our proprietary Interview Ninja platform ensures we hire the best, building high-performing teams that deliver unmatched results.
Today, Wissen Technology has a global footprint with 2200+ employees across offices in the US, UK, UAE, India, and Australia. Our mission is clear: to be the partner of choice for building world-class custom products that deliver exceptional impact—the first time, every time.
Website : www.wissen.com
Company: Wissen Technology
JOB DESCRIPTION
Experience: 5 to 10 years
Location: Bengaluru
Wissen Technology is now hiring for a Senior 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. - 5-10 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.
-
Experience in Spring Boot, Jenkins, Git, Hibernate, Kubernetes, and Docker
-
Experience in the development of scalable and extensible systems using Java
-
Proficiency in Database technology such as MySQL, Oracle and MongoDB
-
Routines Sync & Async
-
Solid and fluent understanding of algorithm and data structures
-
Excellent software design, problem-solving and debugging skills
-
Demonstrated high ownership in previous projects
-
Excellent Communication Skills
-
Good understanding of Elastic Search, Redis
-
Experience working in the cloud environment, preferably AWS*.
-
Write unit tests and run automated tests through CI/CD
-
Ability to learn new and existing technologies
-
Experience in building cloud SaaS or PaaS solutions/products
Areas of responsibilities:
Involvement in the full software development life cycle within broadly defined parameters and providing
software solutions keeping into consideration the software quality needs
Design and defining the interaction between the different component pieces
Write efficient code based on brief given by team lead.
Fast prototyping of proof-of concept features / application based on brief.
Develop and maintain new features on Java stack
Own the delivery of an entire piece of a system or application
Management and execution against project plans and delivery commitments
Work closely with the peers and Leads to develop the best technical design and approach for new product
development
Build software solutions for complex problems.
Compliance with build/release and configuration management process
Responsibility to develop unit test cases for his/her project module.
Execution of appropriate quality plans ,project plans ,test strategies and processes for development
activities in concern with business and project management effort
Desired Profile:
GoodunderstandingofObjectOrientedProgrammingConcepts,hands-onknowledgeonJavastack
(Spring/Hibernate)
Development across multiple browsers/platforms on Website
Good Understanding of SQL/NoSQL data stores
Fair Understanding of Responsive High Level Designs
Work experience in product/start-up company is a plus
Familiarity to MVC, SOA, RESTFull web services
Work with other teams and manage time across multiple projects and tasks in a deadline driven, team
environment
Good to have knowledge of Javascript (AngularJS/ReactJS)/HTML/CSS/JQuery front-end code across a
broad array of Interactive web
Understand agile methodology and instill best practices into the process.
We are looking for a Java/Full stack Developer with experience in building high-performing, scalable, enterprise-grade applications.
You will be part of a talented software team that works on mission-critical applications. Java developer roles and responsibilities include managing Java application development while providing expertise in the full software development lifecycle, from concept and design to testing.
Java developer responsibilities include designing, developing and delivering high-volume, low-latency applications for mission-critical systems.
Experience : 2+ years
Location : Work from Home (full time)
Notice Period : 0 to 30 days ( Immediate joiners are preferred)
Roles & Responsibilities :
(This role encompassing both API engineering using Java stack and web development. Experience in designing, developing, testing and successfully deploying critical and complex projects.)
-
Contribute in all phases of the development lifecycle
-
Write well designed, testable, efficient code
-
Ensure designs are in compliance with specifications
-
Prepare and produce releases of software components
-
Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
-
Build reusable code and libraries for future use
Required Skill set :
-
Java background with a minimum of 2 years experience in Java technologies.
-
Experience in designing and developing application backend using frameworks like Spring Boot, Spring MVC, Jersey, JPA, Hibernate, SQL, Linux, JSON, XML, OAuth etc.
-
Add on : Experience with frontend technologies like CSS,HTML,Javascript, NodeJS/Express, Angular, React, ExtJS, Vue is preferred
-
Experience with both SQL and NoSQL database systems and writing SQL queries
-
Strong experience building, designing, and consuming Restful web services.
-
Exposure of Cloud Infrastructure - AWS and Alibaba Cloud
-
Excellent understanding of ORM and Database concepts
-
Experience with developing unit test code using JUNIT, Power Mock/EasyMock/Mockito etc.
-
Experience with Git, Maven and CI/CD pipelines to deploy on Cloud applications
-
Experience & knowledge on Micro services Architecture and API development using Java, spring, Spring Boot
-
Experienced in roles conducting requirements gathering, writing user stories, creating application design and using design patterns
-
Good knowledge on credentials/secrets management and data encryption techniques
-
Good knowledge on coding standards, design patterns, unit testing.
-
Good hands - on BitBucket/Github is preferred.
Department: Information Systems
Reports to: Tech Lead - Regulatory Reporting IT, Product Control IT & Reference Data IT Internal Development & Support
About the Department: Information Systems
The Information Systems Department (‘ISD’) provides a full range of state of the art technology services to all departments within Mizuho International plc in London. This includes teams servicing the client-facing business units, Operations, Finance and Risk departments.
The department utilises modern delivery methodologies & techniques including Agile, Containerisation & Continuous integration.
Each team has resources to provide project management, analysis, software development, package implementation, systems integration services and application support and is expected to contribute to the change.
Primary Responsibilities
Summary
Within Regulatory Reporting, Reference Data & Product Control IT team, the developer will work towards enhancing and supporting our newly delivered financial data reference data platform, GoldenSource. This requires involvement in development and post production support project life cycle. This role will expose the individual to all business areas, including front office, settlements, custody and accounting.
This role will also involve providing 3rd Line support for any implemented solutions including incident, problem, and defect management
Specific Responsibilities
Design and development of the instrument reference data module
Conduct systems testing and support user acceptance testing
Dealing with day-to-day production problems and maintenance. This may require working shifts and/or being on-call out of normal working hours.
Adhering to Mizuho International development standards and procedures, including change control
Person Specification
Essential
Knowledge of the GoldenSource product
Experience in implementing and supporting the GoldenSource product in a financial institution
Minimum five years’ experience in Java and J2EE
Experience in using object oriented methodologies
Desirable
A broad understanding of Fixed Income, Equity and/or Futures processing through investment banking experience
Experience in using TDD/BDD agile methodology
Technical Knowledge/Skills
Essential
Experience with Publish/Subscribe messaging paradigms, distributed transaction processing based on JTA/JTS
Experience with installing, configuring and monitoring JBoss
GoldenSource Security master module
GoldenSource Customer & Counterparty module
UNIX skills in particular Linux
Excellent relational database skills, preferably ORACLE
Experience of using automated testing tools such as JUnit and mocking libraries such as jMock
Experience of working with XML based technologies such as XSLT
Desirable
Experience of Subversion, Ant, Maven and CI frameworks such as Bamboo.
Building connectors using the GoldenSource product tools
Experience of software configuration management
Experience with integration/acceptance testing frameworks such as FitNesse
WebServices
Document database experience, preferably MongoDB
Experience of Javascript on the client and Node.js
Qualifications
Degree or equivalent.
Active participant in relevant forums/external working groups.
Key Behaviors/Competencies
Operational Effectiveness and Innovation: Achieving Quality Results:
Delivering Tasks – Silver
Problem Solving – Silver
Flexibility & Drive to Improve – Silver
Risk Awareness – Silver
Enhance product Scope:
Strategic Business Management – Silver
Business Awareness – Silver
People:
Leadership – Silver
Management – Silver
Communication – Silver
Ethics and Conduct Level 1 – Silver
Ethics and Conduct Level 2 – Silver
Client Centricity – Silver
Effective Collaboration:
Team Working in Your team – Silver
Team Working With Other Teams – Silver
Must Have
- 1+ to 6 year’s development experience in Java/J2EE Development.
- 1+ years’ experience in Spring, Hibernate.
- 1+ years’ experience in developing REST API’s
- 1+ years’ experience in developing Spring boot applications.
- Hands-On experience in Unit testing.
- Hands On experience in MVC frameworks –AngularJS/Angular7/8
- Understanding of Micro services.
- Understanding of Agile Methodologies.
- Working experience with DB technologies
- Strong analytical and problem-solving skills.
- Aptitude for innovation, working independently and thinking ‘outside of the box’.
Experience Level: 3 to 5 Years
Job Location: Hyderabad
Responsibilities
· Excellent knowledge of Core Java and Spring
· Candidate should have a working knowledge of web services
· Should have worked in the distributed agile model and continuous integration
· Should have knowledge of designing and implementation of REST Web services
· Strong experience with REST API and web services
· Should be efficient with Java J2EE and related technologies.
Essential Requirements
· Strong Core Java and spring.
· Strong RESTFUL web service experience
· Strong SQL (preferably Oracle), JQuery, HTML/CSS, Oracle Restful, SOAP web services
· B. Tech/M. Tech from Tier-1 colleges like IIT, NIT, VIT, BIT
Primary Skill: Java, spring & RESTFUL Web services,









