
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
We are in search of a proficient Java Principal Engineer with a minimum of 10 years' experience in designing and developing Java applications. The ideal candidate will demonstrate a deep understanding of Java technologies, including Java EE, Spring Framework, and Hibernate. Proficiency in database technologies such as MySQL, Oracle, or PostgreSQL is essential, along with a proven track record of delivering high-quality, scalable, and efficient Java solutions.
We are looking for you!
You are a team player, get-it-done person, intellectually curious, customer focused, self-motivated, responsible individual who can work under pressure with a positive attitude. You have the zeal to think differently, understand that career is a journey and make the choices right. You must have experience in creating visually compelling designs that effectively communicate our message and engage our target audience. Ideal candidates would be someone who is creative, proactive, go getter and motivated to look for ways to add value to job accomplishments.
As an ideal candidate for the Java Lead position, you bring a wealth of experience and expertise in Java development, combined with strong leadership qualities. Your proven track record showcases your ability to lead and mentor teams to deliver high-quality, enterprise-grade applications.
Your technical proficiency and commitment to excellence make you a valuable asset in driving innovation and success within our development projects. You possess a team-oriented mindset and a "get-it-done" attitude, inspiring your team members to excel and collaborate effectively.
You have a proven ability to lead mid to large size teams, emphasizing a quality-first approach and ensuring that projects are delivered on time and within scope. As a Java Lead, you are responsible for overseeing project planning, implementing best practices, and driving technical solutions that align with business objectives.
You collaborate closely with development managers, architects, and cross-functional teams to design scalable and robust Java applications.
Your proactive nature and methodical approach enable you to identify areas for improvement, mentor team members, and foster a culture of continuous learning and growth.
Your leadership style, technical acumen, and dedication to delivering excellence make you an ideal candidate to lead our Java development initiatives and contribute significantly to the success and innovation of our organization.
What You Will Do:
- Design and development of RESTful Web Services.
- Hands on database experience (Oracle / PostgreSQL / MySQL /SQL Server).
- Hands on experience with developing web applications leveraging Spring Framework.
- Hands on experience with developing microservices leveraging Spring Boot.
- Experience with cloud platforms (e.g., AWS, Azure) and containerization technologies.
- Continuous Integration tools (Jenkins & Git Lab), CICD Tools.
- Strong believer and follower of agile methodologies with an emphasis on Quality & Standards based development.
- Architect, design, and implement complex software systems using [Specify relevant technologies, e.g., Java, Python, Node.js.
What we need?
- BTech computer science or equivalent
- Minimum 10+ years of relevant experience in Java/J2EE technologies
- Experience in building back in API using Spring Boot Framework, Spring DI, Spring AOP
- Real time messaging integration using Kafka or similar framework
- Experience in at least one database: Oracle, SQL server or PostgreSQL
- Previous experience managing and leading high-performing software engineering teams.
Why join us?
- Work with a passionate and innovative team in a fast-paced, growth-oriented environment.
- Gain hands-on experience in content marketing with exposure to real-world projects.
- Opportunity to learn from experienced professionals and enhance your marketing skills.
- Contribute to exciting initiatives and make an impact from day one.
- Competitive stipend and potential for growth within the company.
- Recognized for excellence in data and AI solutions with industry awards and accolades.
Java developer will be responsible for many duties throughout the development lifecycle of applications, from concept and design right through to testing.Duties/Responsibilities:
- To support and maintain existing Java code base, debug the application
- To analyse user and business requirements and design and implement appropriate solutions
- To design and code programs following in-house standards and good design principles
- To ensure that all programs are documented to the company standards
- To create unit test plans and perform unit testing of the programs
- To provide advice and guidance to other members of the team
Required Skills/Abilities:
- Hands on experience in designing and developing applications using Java EE platforms
- Object Oriented analysis and design using common design patterns
- Good knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate)
- Experience in the Spring Framework
- Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC)
- Experience in RESTFul webservices
- Experience with test-driven development
- Exposure to portal/mobility development - Desired
- Exposure to any of middleware solutions like MQ, Oracle fusion middleware(WebLogic), WebSphere, Open Source
Job Title: Senior Software Engineer
Location:PUNE
Job Type: Full-time
About the Role:
We are seeking a Senior Software Engineer with at least 1 year of experience in ad tech (preferred) to join our dynamic team. The ideal candidate will have strong proficiency in Java and possess problem-solving skills to design, develop, and maintain scalable software solutions in the ad tech industry.
Key Responsibilities:
- Develop and maintain high-quality Java-based applications.
- Collaborate with cross-functional teams to design and implement new features.
- Troubleshoot and debug issues, ensuring optimal software performance.
- Write clean, scalable, and efficient code while adhering to best practices.
- Participate in code reviews and provide mentorship to junior engineers.
Requirements:
- Proven experience with Java and software development.
- At least 1 year of experience in ad tech (preferred).
- Strong understanding of object-oriented design and data structures.
- Excellent communication and collaboration skills.
- Ability to work independently and manage time effectively.
The Sr. Analytics Engineer would provide technical expertise in needs identification, data modeling, data movement, and transformation mapping (source to target), automation and testing strategies, translating business needs into technical solutions with adherence to established data guidelines and approaches from a business unit or project perspective.
Understands and leverages best-fit technologies (e.g., traditional star schema structures, cloud, Hadoop, NoSQL, etc.) and approaches to address business and environmental challenges.
Provides data understanding and coordinates data-related activities with other data management groups such as master data management, data governance, and metadata management.
Actively participates with other consultants in problem-solving and approach development.
Responsibilities :
Provide a consultative approach with business users, asking questions to understand the business need and deriving the data flow, conceptual, logical, and physical data models based on those needs.
Perform data analysis to validate data models and to confirm the ability to meet business needs.
Assist with and support setting the data architecture direction, ensuring data architecture deliverables are developed, ensuring compliance to standards and guidelines, implementing the data architecture, and supporting technical developers at a project or business unit level.
Coordinate and consult with the Data Architect, project manager, client business staff, client technical staff and project developers in data architecture best practices and anything else that is data related at the project or business unit levels.
Work closely with Business Analysts and Solution Architects to design the data model satisfying the business needs and adhering to Enterprise Architecture.
Coordinate with Data Architects, Program Managers and participate in recurring meetings.
Help and mentor team members to understand the data model and subject areas.
Ensure that the team adheres to best practices and guidelines.
Requirements :
- Strong working knowledge of at least 3 years of Spark, Java/Scala/Pyspark, Kafka, Git, Unix / Linux, and ETL pipeline designing.
- Experience with Spark optimization/tuning/resource allocations
- Excellent understanding of IN memory distributed computing frameworks like Spark and its parameter tuning, writing optimized workflow sequences.
- Experience of relational databases (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., Redshift, Bigquery, Cassandra, etc).
- Familiarity with Docker, Kubernetes, Azure Data Lake/Blob storage, AWS S3, Google Cloud storage, etc.
- Have a deep understanding of the various stacks and components of the Big Data ecosystem.
- Hands-on experience with Python is a huge plus

interchange of data between the server and the users. Your primary focus will be the
development of all server-side logic, definition and maintenance of the central database, and
ensuring high performance and responsiveness to requests from the front-end. You will also be
responsible for integrating the front-end elements built by your co-workers into the application.
Therefore, a basic understanding of front-end technologies is necessary as well.
Responsibilities :
- Integration of user-facing elements developed by front-end developers
- Build efficient, testable, and reusable PHP modules
- Solve complex performance problems and architectural challenges
- Integration of data storage solutions
Skills And Qualifications :
- Strong knowledge of PHP web frameworks especially Laravel
- Understanding the fully synchronous behavior of PHP
- Understanding of MVC design patterns
- Understanding of front-end technologies, such as JavaScript, HTML5, and CSS3
- Knowledge of object oriented PHP programming
- Understanding accessibility and security compliance
- Strong knowledge of the common PHP or web server exploits and their solutions
- Understanding fundamental design principles behind a scalable application
- User authentication and authorization between multiple systems, servers, and environments
- Integration of multiple data sources and databases into one system
- Familiarity with limitations of PHP as a platform and its workarounds
- Creating database schemas that represent and support business processes
- Familiarity with SQL/NoSQL databases and their declarative query languages
- Proficient understanding of code versioning tools, such as Git
Experience :
- 3-7 yrs of work experience
- IT service background is plus
Hi,
Greetings from Kairos Technologies (http://www.kairostech.com">www.kairostech.com)
About Kairos:
Kairos Technologies is a customer-first technology services company focused on Digital Transformation and Testing/QA. We are founded to help you build world-class solutions and digital ecosystems. From our inception in 2003, we have provided managed services in embracing the digital transformation for various companies operating in different verticals. We strive to provide the technology services that make your business goals an economic reality.
As discussed please find the below Job description
We are looking for highly skilled programmers with experience building web applications in Java. Java Developers are responsible for analyzing user requirements and business objectives, determining application features and functionality, and recommending changes to existing Java-based applications, among other duties.
Java Developers need to compile detailed technical documentation and user assistance material, requiring excellent written communication.
Java Developer Responsibilities:
- Designing and implementing Java-based applications.
- Analyzing user requirements to inform application design.
- Defining application objectives and functionality.
- Aligning application design with business goals.
- Developing and testing software.
- Debugging and resolving technical problems that arise.
- Producing detailed design documentation.
- Recommending changes to existing Java infrastructure.
- Developing multimedia applications.
- Developing documentation to assist users.
- Ensuring continuous professional self-development.
- Skills Required: JAVA/J2EE technologies like Struts, Spring Boot, HTMLCSS, JSP, JDBC, Servlets, JSON, Eclipse, Apache Tomcat, Subversion, Springboot framework to build RESTful Web Services and Micro Services based Spring Cloud.
- Exp – 5+ years
- Location- Pan India
- We’re committed to client success: There are over 6,200 brand and retail websites in the Bazaarvoice network. Our clients represent some of the world’s leading companies across a wide range of industries including retail, apparel, automotive, consumer electronics and travel.
- We’re leaders in consumer-generated content: Each month, more than one billion consumers view and share authentic consumer-generated content, such as ratings and reviews, curated photos, social posts and videos, about products in our network. Thousands upon thousands or reviews are added to the Bazaarvoice network everyday.
- Our network delivers: Network analytics provide insights that help marketers and advertisers provide more engaging experiences that drive brand awareness, consideration, sales, and loyalty.
- We’re a great place to work: We pride ourselves on our unique culture. Join a company that values passion, innovation, authenticity, generosity, respect, teamwork, and performance.

