
Job Description:
- Location - Bangalore / Mumbai
- Notice period - Immediate to serving up to - oct 1st week
- Exp. - must be 5 -12 yrs
- 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 Experience into Microservices , Data structures , Oops , Algorithms, multithreading etc
- 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.
- Experience into High /Low level designing.
- 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.

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.
Connect with the team
Similar jobs (10)
Job Title: Java Developer
Experience: 5 –14 Years
Location: Mumbai / Bangalore
Employment Type: Full-time
We are looking for experienced and passionate Java Developers with strong expertise in Core Java, multithreading, and performance tuning. You will be responsible for designing and developing high-performance, scalable, and resilient backend systems. This is an exciting opportunity to work on complex, enterprise-level systems and modern architectures like microservices and event-driven frameworks.
• 5–10 years of hands-on experience in Java (8 or above) development.
• Strong foundation in OOPs, data structures, algorithms, and design patterns.
• Deep understanding of multithreading, concurrency, and synchronization techniques.
• Experience with Spring Boot, Spring MVC, JPA/Hibernate.
• Good working knowledge of RESTful API development.
• Proficient in SQL and experience with relational databases like MySQL, PostgreSQL, etc.
• Familiarity with Git, Maven/Gradle, and CI/CD pipelines.
• Exposure to Agile/Scrum methodology
• Expertise in OOPS and coding practices and exposure to TDD
• Should be able to define deployment roadmap and requirements for DevOps implementation.
• Versatile in choosing appropriate tools and frameworks for the Core and advance java development procedures.
• Good in Spring Boot and latest java methodologies to suggest best practices and proven solutions to the business.
• Expert in service oriented solutions and micro services architecture (REST). Should have been a part of monolithic to micro services rearchitecture.
• Exposure towards No-Sql databases such as Cassandra or Mongo DB.
Job description
- Coding and creating functional web applications and optimizing code for increasing response time and efficiency.
- Coordinating with front-end developers and providing server-side algorithms of user-facing web application elements.
- Analyzing the goals and requirements, handling bugs and errors and providing solutions for the same.
- Interacting with the database for storing data and ensuring that every user has access to what they search.
- Accomplishing the projects and goals within the deadline.
- Managing APIs that are executed across the devices.
- Participating in defining the architecture of the system.
Required skills
- Proven knowledge of front-end technologies, such as Angular, React, HTML, CSS, and JavaScript will be preferred.
- In-depth knowledge of PHP and related frameworks. Knowledge of Ruby, Python, NodeJs, and Java will be an added advantage.
- Good Communication, Analytical, Logical, and Leadership skills.
- Knowledge of front-end technologies such as Angular, React, HTML, CSS, and JavaScript will be preferred.
- Ability to manage a hosting environment along with database administration such as MySQL, Oracle.
- Excellent knowledge of APIs (REST, SOAP) and Web services.
- Capable of scaling applications to handle the load changes.
- Knowledge of version control, such as GIT.
- Knowledge of accessibility and security compliance.
About PoshVine:
PoshVine aspires to become the world's leading transaction-driven loyalty and engagement platform by providing a mutually beneficial ecosystem for people, banks and retailers. Our products around programmatic offers, rewards, and loyalty help retailers increase contextual engagement and financial institutions increase share of spends, while end-users maximize their rewards and savings. PoshVine works with all the global payment networks and many marquee financial institutions, including 7 of the top 10 banks in India.
Backend Development at PoshVine:
We are building payment-linked real-time engagement tools embedded within banking and payment journeys. Our core engineering team strives to build solid backend foundations, infrastructure and a solid network of microservices. Apart from regular work, you can expect:
- Freedom to evaluate and introduce new tools, libraries and coding standards.
- Work on developer productivity and platform tooling.
- Evangelise tech and share knowledge in internal and external forums.
- Contribute to Product and Design ideas and implement them like it’s your own product.
Roles & Responsibilities:
- Be involved in product and design decisions, and drive implementations.
- Help us scale the payment-linked loyalty infrastructure to every payment product used in India. Develop platform features for/with reusable code.
- Work with IT/tech SPOCs from Banks and Fintechs to achieve seamless API integrations, resolve concerns, and move forward with program delivery and implementation.
- Tag team with internal and external stakeholders to problem solve and work with banks to test out UAT/Production and create a rollout plan for the same.
- Perform in-depth research and identify sources off production issues surrounding the application.
- Make architectural decisions (microservices, choice of development frameworks and tools, database optimisations, load handling)
- Proficient in Full stack development skills spanning the entire spectrum from:
- Database: MySQL, PostgreSQL
- Backend: Ruby on Rails
- Front End: Web Development frameworks (Angular / React / Vue JS)
- Deployment: Capistrano, Chef, AWS, EC2, Git
You’ll be a good fit if you possess:
- A strong product design sense.
- Good experience in working with Ruby on Rails, Postgres, Python.
- Proven ability to understand end user requirements, formulate use cases and come up with effective solutions.
- Good understanding of REST APIs and the web in general.
- Ability to build a feature from scratch & drive it to completion.
- A willingness to learn new technology, whatever lets you deliver the best product.
- Possess excellent data management skills:
- How to structure databases that can scale
- How to optimise database queries
- Complying with the latest regulations around data for each geography
- Managing the infrastructure that the data resides on to ensure 99.9% uptime across geographies
- You are comfortable working on CI/CD toolchain, Kubernetes, etc.
- 3+ years of experience.
- 3 years experience working on Python, Django and DRF (must have projects)
- Back-end Development, Third Party SDK Implementation, CI/CD
- Pipeline with AWS, Containerization of Server, Caching, Micro-service Implementation
- Architecture design of the web applications.
- Implementation of a robust set of services and APIs to power the web application.
- Building reusable code and libraries for future use.
- Optimization of the application for maximum speed and scalability.
- Writing reusable, testable, and efficient code.
- Design and implementation of low-latency, high-availability, and performant applications.
- Integration of user-facing elements developed by front-end developers with server-side logic.
- Implementation of security and data protection.
- Translation of UI/UX wireframes to visual elements
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/Java EE application development
while providing expertise in the full software development lifecycle, from concept and design to
testing.
Responsibilities and Duties
• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs should follow compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and
presenting these for architectural review
Qualifications
• BS/MS degree in Computer Science, Engineering, or a related subject
• Minimum 4.5 to 6 years of software development experience
• Proven hands-on Software Development experience
• Proven working experience in Java development
• Hands on experience in designing and developing applications using Java EE
platforms
• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2,
Hibernate)
• Experience in the Spring Framework
• Very good English communication skills
• Optional:
o Good to have the knowledge of Angular JS framework.
o Experience to work on the Microservice architecture.
o Experience to work with Git hub & bitbucket.
o Agile methodology.
Frameworks - Springboot, Hibernate, Junit
REST / SOAP Web Services Implementation
Micro-services and Data Structures experience
SQL and exposure to Oracle or MySql or SQL Server or any standard RDBMS
Scrum or SAFe or other Agile delivery ways
Excellent communication skills (verbal and written), good interpersonal skills, ability to
understand/expand requirements & technical specs
Job Description:
We are looking for talented Technical Managers to be part of the Product Engineering team. The candidate should have good experience with Java/J2ee based technologies and will be responsible for delivering features that are meaningful to the customer and consistent with the product vision through the management of a cross-functional team. The person will also contribute to the team as a servant leader and ensure that the team has everything needed to be successful.
Technical Competencies
- Strong Java/J2EE development experience with demonstrated ability to develop and troubleshoot large mission applications & Software Products
- Experience on exception handling, correct use of data structures, multi-threaded programming, memory management and application tuning
- Excellent exposure in Object Oriented Design skills using Java/J2ee along with:
- Core Java Language (Collections, Concurrency/Multithreading)
- JDBC concepts (connection pooling, statement, result set)
- Web Technologies (Struts/Struts 2, Spring (IOP, MVC, AOP), Hibernate, JSP, Web services)
- Database optimization and profiling
- Core/JEE/Integration Design patterns/UML
- Should have experience in Unit Testing
- Good hands on experience with RDBMS like MySQL/Oracle with ability to write SQL Queries/Stored Procedures/Triggers/Joins/View etc
- Practical application of software product development standards and methodologies including Agile, XP, Kanban, RUP and UML
- Ability to apply design patterns consistently and also accurate when building per design requirements
- Good experience in source control, unit testing, code verification, documentation, automated build, continuous integration, metrics, and code reviews.
- Demonstrated problem solving, analytic and troubleshooting skills.
- Strong written and oral communication skills are required to effectively engage internal stakeholders and their technical representatives.
Responsibilities:
- Manages the team in producing working software each iteration in accordance with the team’s commitments
- Facilitates planning sessions, team meetings, and other “rituals,” such as the daily standup, iteration planning, iteration kickoff, iteration review, and retrospectives
- Ensures that the backlog of work for the team is well-defined with respect to scope, clarity of requirements, and acceptance criteria
- Helps remove roadblocks to delivery success.
- Helps the team follow its defined process, and leads process improvement efforts
- Understands the client’s business strategy and objectives as it relates to the product being developed; ensures that the client’s expectations are met or exceeded.
- Oversees the completion of stories, ensuring that the team understands what “Done” means for each story.
- Interfaces between the team and the customer
- Communicates effectively within the team and with all stakeholders by providing high-quality visibility into planned and actual deliverables.
- Is a model developer, with sharp coding skills and a passion for excellence
- Participates in design and coding activities, and helps with requirements, analysis, and testing as needed
- Ensures that the architecture of the product is sound
- Ensures product quality through effective monitoring of quality trends, test automation, defect tracking and root cause analysis.
- Assures that all production deliveries meet acceptance, operational, and quality criteria
- Develops camaraderie and strong collaboration across both the 3Pillar team and client team,
- Actively demonstrates and teaches strong consulting skills to teammates,
- Understands the full set of product development capabilities and speaks to them holistically,
- Proactively develops a deep "trusted advisor" relationship with the primary buyer,
- Assists in developing strategies to take advantage of opportunities within the account and works collaboratively with the Client Partner to execute them
Benefits
- A competitive annual salary based on experience and market demands
- Flexi-timings
- Medical insurance with the option to purchase a premium plan or HSA option for your entire family
- In-house Food & Refreshments
- Regular Health check-up camps arranged by the company
- Recreational activities
- Business casual atmosphere









