
Strong written/verbal communication skills
· Minimum 5+ 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.

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
Job Title: IAC SRE Engineer
Location: Pune, Mumbai, Bangalore
Experience Required: 4 Years
Role Overview:
We are looking for experienced IAC Engineers with a strong background in Akamai, Data Structures & Algorithms (DSA), Java, and DevSecOps. The ideal candidate should have hands-on development experience, be proficient in writing Infrastructure as Code using Terraform, and demonstrate strong problem-solving skills.
Core Skills:
- Akamai – Strong experience in CDN, caching, and performance optimization.
- Data Structures & Algorithms (DSA) – Strong problem-solving and coding abilities.
- Java – Solid programming background and experience in development.
- DevSecOps – Understanding of integrating security in CI/CD pipelines and infrastructure.
Good to Have:
- WAF (Web Application Firewall) – Knowledge of WAF is a plus, though not mandatory.
Additional Skills:
- Experience with SRE (Site Reliability Engineering) practices is beneficial.
- Strong hands-on with Terraform for managing cloud infrastructure.
Hello Everyone,
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. - 5 to 14 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 clientfacing 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 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.
Responsibilities:
• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review • Designing, implementing, and maintaining Java applications that are often high-volume and low-latency.
• Identify bottlenecks and bugs, and devise solutions to these problems
Skills: • Expert hands on knowledge of latest technology, good exposure to web technologies and open to all technologies like Java, J2EE, Spring boot , Microservices, Cloud computing, any DB • Very good exposure to DevOps concepts and tools, Continuous Integration and Continuous Delivery • Quick learner, believes in continuous learning and acts as a catalyst for building the culture within the organization • Analytical thinking skills, problems solving with strong exposure to root causing tools and techniques and ability to come up with solutions in complex situations.
• Solid understanding of object-oriented programming
• Familiar with various design and architectural patterns
• Skill for writing reusable Java libraries
• Experience with both external and embedded databases
• Understanding fundamental design principles behind a scalable application
• Proficient understanding of code versioning tools, such as Git
• Familiarity with build tools such as Ant, Maven, and Gradle • Deep insight of Java and JEE internals such as memory management, transaction management, etc. • Implementation of API. • Problem solving skills, analytical mind, and a positive attitude. • Experience with test-driven development. • Experience in the Spring, Spring Boot, and Hibernate • Knowledge of developing REST API. • Results oriented and focused on meeting deliverable timelines. • Good communication skills • Problem-solving attitude • Ability to establish priorities • Teamwork and willingness to listen to others • Eagerness to learn new ideas, concepts, and technologies. • Understand Java EE Architecture
• Clear understanding of web services and SOA related standards like REST/OAuth/JSON • Good knowledge of MicroServices. • Expertise developing enterprise-level web applications and RESTful APIs using MicroServices, with demonstrable production-scale experience. • Working experience in Industry Standard protocols related API Security • Strong background working with Linux/UNIX environments. • should have hands-on experience in developing software with agile or scrum methodologies and are ready to lead our junior developer's team.
Responsibilities:
• Design, develop, and maintain web applications using Java and React JS.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Ensure the performance, quality, and responsiveness of applications.
• Identify and correct bottlenecks and fix bugs.
• Maintain code integrity and organization.
• Build reusable components and front-end libraries for future use.
• Translate designs and wireframes into high-quality code.
• Optimize components for maximum performance across a vast array of web-capable devices and browsers.
• Participate in team meetings and discussions to understand user needs and functionalities.
• Perform code reviews and improve and maintain code quality.
• Work closely with product management and back-end developers to integrate user-facing elements with server-side logic.
• Keep up-to-date with the latest industry trends and technologies to ensure applications are current and competitive.
Requirements:
• Strong proficiency in Java.
• Familiarity with RESTful APIs and web services.
• Good project management skills.
• Strong communication and teamwork abilities.
Job Responsibilities:
- Collaborate with other senior engineers, and management, to achieve optimal application architecture and design
- Develop efficient, secure applications, peer-review code, and document solutions within an agile-blended software environment
- Communicate proactively with team members, infrastructure, security, and quality assurance to continuously improve processes and engineering excellence
- Guide and train other developers in backend technology
- Ability to work independently and as a member of a team spread over different time zones
Skills:
- Understanding of object oriented programming skills and data structures
- At least 6 years of hands-on development in Java, Springboot & Hibernate
- Should have experience in Java Multithreading, microservices
- Experience with developing web applications
- Expertise with in Core Java (Collections, Exception handling)
- Experience with J2ee( Servlets, JSPs)
- Experience with all well known database technology and object-relational mapping, experience with databases (Mysql, Mssql)
- Knowledge and development background in web-services/REST, AJAX, JSON, and XML
- Experience with Windows and Linux based environments
- Experience with Maven and GIT tools
- Understanding of UI technologies (HTML, CSS, Javascript libraries) would be a plus
- Good to have – AWS experience and Fintech domain experience
- Awareness of Jenkins will be a value add
· 3+ years of Java backed application development and implementation experience.
· Minimum of one year of experience in Cloud, AWS Engineering & Development .
· Demonstrated knowledge of Distributed and Scalable systems.
· Experience on AWS Services is a big plus, such as EC2, ECS, ECR, Lambda, Elastic Cache, API Gateway.
· Knowledge about API design standards, patterns and best-practices especially Swagger and OpenAPI 3.0, REST, SOAP, MQ, JSON, Microservices etc.
· Java Microservices, RESTful Web Services.
· Spring Boot, Spring Cloud, Hibernate.
· JMS, queues, JBoss/Wildfly.
· Tools - JUnit, Easymock, Mockito, Docker, Kubernetes, Teraform.


- As a polyglot developer Ideally, you should have:
- 1.5+ years of development experience using any of technology java, scala, python or any similar exciting technologies.
- Hands-on experience in coding, and implementation of complex, custom-built applications Working knowledge of build tool like maven/sbt and code versioning systems like git/bitbucket/cvs/svn
- Familiarity with few databases, like MySQL, Oracle, PostgreSQL, SQL Server, NoSQL etc Great OO skills, including strong design patterns knowledge
- Good communication and ability to work in a consulting environment is essential
- Think through hard problems in a consultancy environment, and work with amazing people to make the solutions a reality Work in a dynamic, collaborative, non-hierarchical environment where your talent is valued over your job title or years of experience
- Build custom software using the latest technologies and tools Craft your own career path
- Providing solution to real problems in Bigdata world.
- RnD on using the latest tools,techniques and cloud services.
- Automating the manual-timetaking tasks.
- Hands-on coding, usually in a pair programming environment.
- Working in highly collaborative teams and building quality code
- Working in lots of different domains and client environments
- Understanding the business domain deeply
We are a team of technology agnostic, passionate people who aim to provide solution to real world Bigdata problems.
We are building solutions that will help our customers to do automatic migration of their RDBMS systems to latest BIGDATA platforms and tools such as Spark, Apex, Flink etc. For more information do visit our products webpage.
What essential skills you need
▪ 8-11 years’ experience in back end Java/J2EE application development.
▪ Expertise in developing internet web applications using Java/J2EE technologies.
▪ Experience of working in a service-oriented architecture and web-based development.
▪ Experience in writing XSD, Wiz-dull including parsers like SAX, DOM.
▪ Experience in different modules of Spring framework like Dependency Injection (IoC), Spring MVC, Spring ORM along with JPA.
▪ Experience in Java Version 7.0+. Good experience with JMS, Spring & Hibernate.
▪ Experience in identifying database solutions for a given problem, preferably MySQL.
▪ Demonstrated ability to analyze business/functional requirements, develop well-structured, maintainable code, delivered on time, with automated tests. We are an XP/Agile development team.
▪ Hands on experience on tools like Log4j, JUnit, Mockito, SVN, Maven, Covertura.
▪ Knowledge in Java queuing system.
▪ Extensive Experience in using MVC (Model View Controller) architecture for developing applications using JSP, JSTL, Java Beans and Servlets.
▪ Hands on experience in using Application/Web servers like JBoss and Tomcat servers. Worked on databases like Oracle/MYSQL/NoSQL/HQL.
▪ Experience with e-commerce, retail, analytics, advertising, or media would be an advantage

- PHP Developer Exp 6 + Years Openings:
- Candidate should have excellent communication skill.
- Object-oriented programming in PHP.
- Front-end technologies such as JavaScript, HTML, and CSS.
- Complex SQL queries and database schema design.
- MVC frameworks (Laravel, Yii2, Any Framework).
- Working in a collaborative team environment using tools like JIRA and Git.
- Consuming and creating web services.
- Stable work history and an ability to collaborate effectively.
- Demonstrable knowledge of web technologies including HTML, CSS, Javascript, AJAX, MYSQL,JQuery,Bootstrap ,Web services etc..
- Consuming and creating web services.
- Stable work history and an ability to collaborate effectively. ,
Applicant must have a min of 4 years of experience as a Java Developer and a Min of 2 years on Spring boot, Augular knowledge must, having an experience in Angular would be an added advantage.
Detailed JD
Resources with below skill sets :
- Angular JS
- Spring MVC
- Spring Boot
- Hibernate
- PostgreSQL
- Drools
- SVN
- Jenkins
- SonarQube
- Foresighted & good judgement in problem solving.
- Capable of paying attention to detail.
- Good analytical and logical thinking.
- Prioritizing and organizing
- Team Player with positive attitude.
- Process knowledge/Technical expertise
- Good Written and Verbal communication Skills
- Analyse & understanding of the SRS.
- Report queries on the SRS/Requirement.
- Prepare low level design document
- Prepare Unit test cases

