
Job Title: Java 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. - 1 to 3 years.
Wissen Technology is hiring Java + Scala Developers with 1–3 years of experience. We are looking for candidates with strong hands-on skills in Java and Scala, good analytical abilities, and the capability to work in a dynamic environment.
Key Requirements:
- Experience in Java and Scala
- Strong understanding of core programming concepts
- Good problem-solving and debugging skills
- Must be available for immediate joining
- Should be open to face-to-face interviews in Bangalore or Mumbai
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 hassuccessfully 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.

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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⚠️ Important Note (Please Read Before Applying):
- Only candidates with 5–8 years of relevant experience should apply.
- Freshers or candidates with less than 5 years of experience – please do not apply.
- Only immediate joiners or candidates currently serving notice will be considered.
Job Title: Java Developer (5–8 Years)
Location: Bangalore (Hybrid Mode)
Experience: 5 to 8 years
Joining: Immediate / Notice Serving Only
About the Role:
We are looking for passionate and highly skilled Java Developers to join our dynamic team in Bangalore. The ideal candidate will have strong expertise in Java, Spring Boot, Collections, Multithreading, and Data Structures & Algorithms (DSA), with proven problem-solving abilities.
Key Responsibilities:
- Design, develop, and maintain high-performance, scalable, and secure applications.
- Work with Spring Boot and related frameworks to build microservices-based solutions.
- Optimize code using Collections & Multithreading concepts for performance and reliability.
- Apply strong DSA and problem-solving skills to deliver efficient solutions.
- Collaborate with cross-functional teams to ensure timely delivery of high-quality software.
- Troubleshoot, debug, and resolve production issues efficiently.
Required Skills & Experience:
- 5–8 years of hands-on experience in Core Java and Spring Boot.
- Strong expertise in Collections, Multithreading, and Concurrency.
- Solid understanding of DSA, Algorithms, and System Design fundamentals.
- Experience in developing REST APIs and Microservices.
- Proficiency in writing clean, maintainable, and efficient code
- .Strong analytical and problem-solving skills.
Why Join Us?
- Opportunity to work on cutting-edge projects with modern architectures.
- Hybrid work setup in Bangalore.
- Fast-paced and growth-driven environment.
Role Overview
We are seeking a motivated and technically versatile CMS Engineer (IC2) to support our transition from SharePoint to Contentful, while also contributing to the broader CMS ecosystem. This is an excellent opportunity for an early-career engineer to work on enterprise-grade platforms and microservice-based architectures.
Key Responsibilities
· 3-5 years of experience with SharePoint Online and/or enterprise CMS platforms.
· Familiarity with Contentful or other headless CMS solutions is a strong plus.
· Hands-on experience with Java, Spring Boot, and relational databases (e.g., PostgreSQL).
· Exposure to Kafka, Elasticsearch, or similar distributed technologies is desirable.
· Solid problem-solving and communication skills with an eagerness to learn.
What would you do here
SharePoint to Contentful Migration | Backend + CMS Integration
· Assist in maintaining and enhancing SharePoint Online content and features during the transition period.
· Support the migration of pages, documents, and metadata from SharePoint to Contentful.
· Contribute to the design and development of backend services that integrate with Contentful using Java, Spring Boot, and REST APIs.
· Write reusable services for content delivery, search indexing (via Elasticsearch), and event processing (via Kafka).
· Help develop APIs for CMS-based applications that interact with PostgreSQL databases.
· Troubleshoot CMS-related issues and support testing efforts during platform migration.
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.
· 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.
- Core Java 5.0 and above
- Extensive experience in developing enterprise-scale n-tier applications for the 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.
- Strong written and oral communication skills.
- Should have the ability to express their design ideas and thoughts.
Desired Experience
3+ years
Job Description
What You’ll Do
- Design financial systems for scale. Measure, plan, iterate.
- Writing reusable, testable, and efficient code
- Design and implementation of low-latency, high-availability, and performant applications
- Setup and own the engineering architectures built around event sourcing, application sharding, database sharding, service communication mesh, etc.
- The tech: Go, Google Cloud Spanner, Kafka, Redis
What you bring to the table
- 3+ years of experience. Relevant experience is preferred.
- Knowledge of 2 common programming languages - Python & Go / Java & Node / Rust
- Comfortable in linux command line, AWS or GCP
- Strong unit test and debugging skills
- Great communication skills
Bonus if you have…
- Love building great products and engineering systems from scratch
- Are a Self-starter, Hustler and Curious to Learn
- Have an understanding of fundamental design principles behind a scalable application
- Thrive in an early-stage startup environment with less stability and more ambiguity
- Have an interest in financial products and/or cryptocurrency
● Proficiency in RESTful API, microservices architecture and containerization technologies
(Docker)
● Strong programming, problem solving skills, data structures and algorithms.
● Solid foundation in Computer Science, distributed systems and web technologies.
● Proficient in one or more Java based backend programming frameworks - Ex - Java spring,
Java spring boot, Java vert.x
● Knowledge of one or more SQL (mySQL, postgres) and noSQL data stores (mongDB or
Cassandra)
● Knowledge of observability systems
● Knowledge of managed cloud services like AWS / Azure / GCP
● Experience with distributed messaging technologies like RabbitMQ, Google PubSub etc.
• Work with product team to understand product vision and requirements
• Solve complex technical problems and perform the code reviews for junior team members.
• Produce deliverables at a consistently high rate and with consistently excellent quality
• Work with a team of engineering professionals to ensure the highest quality product delivery
As a member of our team, you will be responsible for insuring the successful launch of many product features.
Key responsibilities
• Work in a product based R&D team and collaborate with other teams to integrate.
• Write code that is of high quality and consistent with our coding standards
• Analyze highly complex business requirements, break the requirements to multiple applications; generate technical
specifications to design or redesign complex software components and applications
• Maintain best practices for development/code changes as needed
• Design and architect software applications
• Conducting code reviews and enforcing the quality standards
• Conducting the daily SCRUM meetings and removing the roadblocks
• Performance testing and tuning for scalability
• Develop quick proof of concepts to set the technical direction for rest of the team.
• Work with Devops and Automation team to develop automation strategy for your application.
Requirements
• Bachelor’s Degree (Masters preferred) in Computer Science or related field
• 3+ years of software development experience on web applications
• Experience in working in an onsite and offshore development model
• Must have hands-on design and development experience in Cloud (GCP/AWS/Azure), Kubernetes, Microservices,
Java, J2EE, Spring/Boot, Hibernate, JUnit and Integration with front end via rest interfaces.
• Must have Hands-on experience in Multi-threading, Non-blocking IO, Kafka, JMS
• Strong integration background required. Experience with Microservices, REST, JSON and APIs is required
• Experience with as many of the following is highly desirable: Tomcat, Node.js, XML, XSLT, XPath, Web Services,
MongoDB, MYSQL, and query performance tuning
• Experience with code management and continuous integration techniques and tools such as Maven, Gradle, Github,
JMeter, Jenkins, NPM etc. is highly desirable
• Experience building complex software systems that have been successfully delivered to customers
• Strong Computer Science fundamentals and working knowledge in data structures, algorithms, problem-solving and
complexity analysis
• Knowledge of professional software engineering practices and best practices for the full software development life
cycle (SDLC), including coding standards, code reviews, source control management, build processes, testing, and
operations
• Proven ability to troubleshoot issues in production including root cause analysis
• Self-directed and capable of working effectively in a highly innovative and fast-paced environment
• Experience with Agile software development in a UNIX/Linux environment
• Experience with system architecture/design
Qualifications
• Passionate about technology and technical challenges of all types excite you
• Eagerness to learn and learn fast, enjoy working in a fast-paced environment
• Ability to develop detailed design and deliver a scalable implementation.
• Mentor developers in analysis, design, coding and unit testing techniques
• Motivated self-starter and team player; you inspire others to achieve great things
• Driven to provide the best customer experience via technology
• Supply chain industry experience is preferred
• Proven ability to work effectively in a cross-functional team
• Strong problem solving and troubleshooting skills with the ability to come up with creative solutions for different
problems
• Strong written/spoken communication skills
• Experience with distributed systems operating in a scalable/high volume environment
• Ability to drive innovation

Position : Lead / Developer - Guidewire
Experience : 7 – 12 Yrs
Client : a Digital Transformation Company
Location : Hyderabad, IND
Key Skills : Java/J2EE, Gosu, GW plug-ins, Jenkins/Mavens/TFS, Guidewire BillingCenter Functional & Integration, GX model, BillingCenter data model, P&C Insurance domain, SQL, JMS, Message Queue
Skills Required :
- Hands on Experience of Document Integration in Policy Center and Billing Center.
- Hands On experience in Rating Management(Rate table, routines, Product Model etc)
- Hands on Experience with Billing Center Components like Invoice, Disbursement, Deliquency, Payment Plan, Billing Plan etc.
- Hands on Experience in Configuration and Entity customization.
- Should ready to relocate Hyderabad.
- Pre Covid WFH, post Covid need to work from office.
- Should ready to work in US Shifts (EST Timings)
- BS/MS in Computer Science or Engineering.
- 8+ years of experience in software development in an object-oriented language such as Java, .NET or Node.Js
- Exceptional design, coding, and problem-solving skills, with a bias for architecture at scale.
- Experience with HTML5, JavaScript, TypeScript, front-end technologies like AngularJS, Redux / React and upcoming web technologies.
- Real-world experience developing large scale commercial services with robust performance, resiliency, and telemetry, delivered both Online and OnPrem.
- Strong knowledge of computer science, algorithms, and design patterns.
- Ability to appreciate complex problems with a thorough design.







