
Job Requirements for Java Developer Roles
* Strong hands-on expertise in Java programming.
* In-depth understanding of Java garbage collection mechanisms and their impact on application performance.
* Ability to write clean, efficient, and maintainable code.
* Familiarity with best practices for performance optimization.
* Strong problem-solving skills and attention to detail.
Please note that you will have to attach the following documents after Round 1 that will be needed for the client submission:
- LWD confirmation
- PF service history
Mode of work: Hybrid weekly 3 Times.
While you may already know about Wissen and the company history, here is a quick rundown for you.
About Wissen Technology:
• 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. We help clients build world class products.
• Our workforce consists of 550+ 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 has grown its revenues by 400% in these five years without any external funding or investments.
• Globally present with offices 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.
• Wissen Technology has been certified as a Great Place to Work®.
• Wissen Technology has been voted as the Top 20 AI/ML vendor by CIO Insider in 2020.
• Over the years, Wissen Group has successfully delivered $650 million worth of projects for more than 20 of the Fortune 500 companies.
We have served client across sectors like Banking, Telecom, Healthcare, Manufacturing, and Energy. They include likes of Morgan Stanley, MSCI, StateStreet, Flipkart, Swiggy, Trafigura, GE to name a few.
Website : www.wissen.com

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
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. - 6 to 12 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 has successfully 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.
- Providing technical guidance as well hands on management for all product development within the company.
- Identifying frameworks/ technologies/ languages/ libraries to be used to achieve desired goals.
- Underscores pros and cons of various technologies available and presenting arguments to management and technical team.
- Taking responsibility for refactoring existing code.
- Leading, managing and mentoring a team of 5+ engineers.
- Serving as a key member of the management team that sets the company's strategic direction.
- Defining standards & best practices to support agile development processes.
- Planning, tracking and estimating product development activities.
- Ensuring the optimal application of technology and engineering resources to meet product development and/ or customer requirements as per the product and/ or marketing requirements document.
- Ensuring that the product quality is world class at all times.
- Growing the internal information technology development organisation; managing and recruiting a multidisciplinary high-performance technology team.
- Developing RESTful backend services if needed
- Ensuring implementation of formal processes to support the product development process.
- Passionate about automated testing: Managing / driving testing - unit tests, system tests, regression.
- Performance Tuning/ Profiling: In-depth understanding of popular architectures SOA, RESTful, Microservices, Messaging Bus.
What you need to have:
- B.E / B.Tech or similar qualification from a premier institute.
- Good communication skills.
- Self-starter, Highly motivated.
- People Management skills.
- Go-getter attitude.
- 3 - 7 years of hands-on development experience in backend development with a track record of solid technical accomplishments. Node.js experience will be preferred.
- Knowledge of multiple programming languages will be preferred.
- Knowledge of Caching solutions Redis, Memcache
- Databases experience - MySQL/NoSQL, RabbitMQ, Kafka.
- Capability to present different architecture for the same problem.
- Knowledge of popular front end MVC technologies.
- Understanding of production level problems and their possible solutions



Elastic is a search company built on a free and open heritage. Anyone can use Elastic products and solutions to get started quickly and frictionlessly. Elastic offers three solutions for enterprise search, observability, and security, built on one technology stack that can be deployed anywhere. From finding documents to monitoring infrastructure to hunting for threats, Elastic makes data usable in real time and at scale. Thousands of organizations worldwide, including Cisco, eBay, Goldman Sachs, Microsoft, The Mayo Clinic, NASA, The New York Times, Wikipedia, and Verizon, use Elastic to power mission-critical systems. Founded in 2012, Elastic is a distributed company with Elasticians around the globe and is publicly traded on the NYSE under the symbol ESTC. Learn more at https://www.elastic.co/">elastic.co.
The Observability team is in charge of developing solutions that focus on application developers and engineers that run infrastructure and services supporting these applications. Elasticsearch is an efficient datastore for logs, metrics, and application traces, supporting the three pillars of observability. The Observability team builds and maintains solutions that make getting insights from this data turnkey and efficient, such as our https://www.elastic.co/solutions/apm">APM, https://www.elastic.co/solutions/metrics">Infrastructure Monitoring, and https://www.elastic.co/uptime-monitoring">Synthetics solutions. When developing these solutions, we think about the problem end-to-end: how do we automatically collect data from common data sources, how do we store it efficiently in Elasticsearch, how do we present this information to the user, what actions do we take on the insights from the data? All of these aspects are important in bringing a turnkey solution to the market.
You will be working on Observability Integrations to collect logs and metrics from all the systems that matter to our users, using the current and next generation of data shippers: Beats and the new Elastic Agent.
Job Location : Bangalore, India
What you will be working on
- Work with product management to define the requirements for new https://github.com/elastic/integrations">integrations: data collection strategies, storage optimization, alerting and visualization options, refining requirements, translating requirements to stories and epics, and performing detailed scoping of features
- Develop, maintain and evolve https://github.com/elastic/integrations">integrations for multiple services using the Elastic Stack and https://github.com/elastic/elastic-package">specific tooling. For some projects, contributions to the https://github.com/elastic/beats">beats platform will be needed (Go).
- Work with our support team to help customers troubleshoot and solve their issues in production environments, ensuring SLAs are met.
- Interact with the community and help them use our products.
- Collaborate with other engineering, QA and documentation teams to execute on product deliverables.
What you will bring along
- Experience operating or developing monitoring products, such as Elastic (ELK, Elastic Observability), Prometheus, Grafana, ELK, Datadog, New Relic, etc.
- Proficiency in at least one programming language (Go, Java, PHP, Python, Ruby, C++, we use Go) with strong analytical, debugging, and troubleshooting skills.
- Excellent verbal and written communication skills and ability to work in a distributed team.
- Experience participating in technical decision-making across different engineering teams.
Bonus Skills
- Interest in learning new technologies.
- Experience contributing to open source projects.
- Hands-on experience managing cloud services at scale.
- Experience in SRE and / or DevOps roles.
- Experience monitoring or operating container orchestrators (Kubernetes, etc).
Additional Information - We Take Care of Our People
As a distributed company, diversity drives our identity. Whether you’re looking to launch a new career or grow an existing one, Elastic is the type of company where you can balance great work with great life. Your age is only a number. It doesn’t matter if you’re just out of college or your children are; we need you for what you can do.
We strive to have parity of benefits across regions and while regulations differ from place to place, we believe taking care of our people is the right thing to do.
- Competitive pay based on the work you do here and not your previous salary
- Health coverage for you and your family in many locations
- Ability to craft your calendar with flexible locations and schedules for many roles
- Generous number of vacation days each year
- Double your charitable giving - We match up to $1500 (or local currency equivalent)
- Up to 40 hours each year to use toward volunteer projects you love
- Embracing parenthood with minimum of 16 weeks of parental leave
*) 7+ years of strong experience in Java/J2EE technologies (Core Java, Spring, Springboot, Hibernate, JPA, Microservices)
*) Experience with working on Java 8.0 and its emerging road map for 11
*) Hands on experience in Springboot and good knowledge of MySQL, MongoDB
*) Hands on experience in working with Angular 6 and above. Experience working with product management and UI/UX designers having knowledge of advanced Javascript, JQuery
*) Working knowledge on components, modules, data/event bindings, templates, using and creating directives, writing routes, services, forms and models
*) Solid understanding of the full frontend and backend development life cycle
*) Strong experience in Spring Framework (Spring MVC, Spring security, Spring data, OAuth)
*) Experience with Webservices (SOAP and REST) and API integration. Good knowledge of JSON and Swagger and Postman is required
*) Experience with web application servers like Tomcat, Jetty, JBoss. Knowledge of Kafka with MQTT would be an added advantage
*) Experience with TDD, code testability standards, JUnit
*) Experience in managing configurations and deploying and hosting applications in AWS
*) Experience with DevOps tools like Git, Maven, SourceTree, Jenkins, Docker and CICD model of development
*) Good experience of OOPS, algorithms, data structures, multi-threading, design patterns and industry best practices
*) Must have good understanding in SOLID principles and why design principles are used.
*) Experience with Eclipse/IntelliJ and VS Code


Capable of working under minimal direction and exercising considerable latitude, they will provide technical expertise in developing solutions to complex software engineering problems, which require
frequent use of ingenuity and creativity.
Experienced in designing application framework solutions, performing architectural analysis, and identifying issues and provide solutions for the business problems.
Sound functional knowledge of application architecture service architecture, code modularity, data synchronisation, customisable workflow management, partner application integration and API
developer frameworks.
Responsibilities:
Lead the design and development of new architecture and major functional upgrades for the most advanced capabilities
Provide technical guidance and mentorship to engineers, designers, and developers.
Engage cross-organizational teams such as Product Management, Integrations, Services, Support, and Operations, to ensure the success of overall software development, implementation, and
deployment.
Requirements:
Ideal candidate should have
7+ years of system implementation experience
Experience with any of the following languages like Java / Nodejs / ROR / Python
Expertise in micro service / Data modelling / AWS / Messaging
Expertise in building scalable & reliable systems
Good Experience in working with technologies like AWS, Redis,
Experience in messaging systems like SQS/RabbitMQ
Good knowledge of caching, Databases, distributed systems.
Strong problem solving and analytical skills
Good experience with Devops
reach me
riya attherateof cielhr dot com
96 200 399 80
Location: Hyderabad, India
Nisum is a leading global digital commerce firm headquartered in California, with services spanning digital strategy and transformation, insights and analytics, blockchain, business agility, and custom software development. Founded in 2000 with the customer-centric motto “Building Success Together®,” Nisum has grown to over 1,400 professionals across the United States, Chile, India, and Pakistan. A preferred advisor to leading Fortune 500 brands, Nisum enables clients to achieve direct business growth by building the advanced technology they need to reach end customers in today’s world, with immersive and seamless experiences across digital and physical channels.
What You’ll Do
Coding in Java8, Spring, Microservices, WebFlux/Reactive Programing, Rest services, Kafka, PCF, Azure, Spring Cloud Config and NoSQL technologies.
Solve technical problems using cutting-edge technologies and best practices.
Ensure code meets the required development standards and is optimized for performance.
Unit testing for each line of new code introduced (JUnit/Mockito)
Peer code review process using GIT pull requests and Crucible (for SVN)
Propose multiple solutions to a problem, show how one option is better than another.
Ensure all aspects of technical design are correctly incorporated.
Contribute in research and implementing POC’s as required.
Collaborating with onsite team in scrum ceremonies.
Who you are
Senior developer using technical skills in Java8, J2EE, Spring boot(rest services), Web Services(Rest & SOAP), WebFlux, Spring Cloud Config, Maven/Gradle, JUNIT/TestNG, Mockito/JMock/EasyMock, JIRA, XML, JSON, EhCache/MemCache/Redis with skills in JMS, Kafka
Experience with hands on any one of the cloud platforms like PCF, Azure
Need hands on skills using NoSQL databases (Cassandra, MongoDB), SQL(Oracle/DB2/MySQL)
Experience with UI development skills to the level of debugging and enhancements.
Experience with expertise in code quality and coding standards.
Need to applying different design patterns, especially GoF, J2EE and Integration design patterns.
Making sure implementing unit testing for each line of new code introduced (JUnit/Mockito).
Ensuring the code meets the required development standards and is optimized for performance.
Education
Bachelor’s / Master’s degree in specific technical fields like computer science, math, statistics preferred; or equivalent practical experience.

Demonstrable experience in Core Java (8 or higher) and Spring framework (Core, AOP, Batch, JMS).
Multithreading, Data structure, Algorithm, Eceptional handling,OOPS Concepts, collections
- Excellent customer facing skills that include conducting compelling technical briefing & demonstrations. The person should have a technical aptitude to implement new technologies and articulate the solutions to the customer.
- Java, Spring with Database & Unix - Preferred with Scala or Spark(Hadoop) background
- Proven knowledge in OOPS & Data Structures
- Strong experience of developing multi-threaded and synchronization application
- Demonstrated delivery experience of Micro services APIs using Springboot, Oracle PL/SQL development and activities like Performance tuning / Optimization.
- Experience of using Git/Bitbucket, Maven/Bamboo, & related tools.
- Good Understanding of Agile Delivery Methodology & experience in working with Scrum teams.




