
Design, develop, and maintain backend services using Java
Build scalable RESTful APIs and microservices
Work with Spring / Spring Boot frameworks
Implement business logic, data access layers, and integrations
Optimize application performance, scalability, and security
Write clean, testable, and maintainable code kafka
Perform unit and integration testing
Participate in code reviews and technical discussions
Collaborate with frontend, DevOps, and QA teams
Troubleshoot and resolve produc

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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
Job Description
The ideal candidate will possess expertise in Core Java (at least Java 8), Spring framework, JDBC, threading, database management, and cloud platforms such as Azure and GCP. The candidate should also have strong debugging skills, the ability to understand multi-service flow, experience with large data processing, and excellent problem-solving abilities.
JD:
- Develop, and maintain Java applications using Core Java, Spring framework, JDBC, and threading concepts.
- Strong understanding of the Spring framework and its various modules.
- Experience with JDBC for database connectivity and manipulation
- Utilize database management systems to store and retrieve data efficiently.
- Proficiency in Core Java8 and thorough understanding of threading concepts and concurrent programming.
- Experience in in working with relational and nosql databases.
- Basic understanding of cloud platforms such as Azure and GCP and gain experience on DevOps practices is added advantage.
- Knowledge of containerization technologies (e.g., Docker, Kubernetes)
- Perform debugging and troubleshooting of applications using log analysis techniques.
- Understand multi-service flow and integration between components.
- Handle large-scale data processing tasks efficiently and effectively.
- Hands on experience using Spark is an added advantage.
- Good problem-solving and analytical abilities.
- Collaborate with cross-functional teams to identify and solve complex technical problems.
- Knowledge of Agile methodologies such as Scrum or Kanban
- Stay updated with the latest technologies and industry trends to improve development processes continuously and methodologies.
Primary Responsibilities:
Developer for IT Regulatory team, work with the development manager and key stakeholders to understand business requirements and develop moderately complex technical solutions.
Work collaboratively with the team to support existing functionality and build, implement, and support new solutions.
Draft and review technical diagrams, specifications documents and required project documentation.
Conduct code reviews of other developers.
Share experience and knowledge with the team to improve productivity & delivery timelines.
Continuously seek ways to improve our existing architecture, advises on complex code deficiencies, provides systemic proposals, and promote efficiencies where necessary.
Job Requirements:
Undergraduate degree in computer science or technology discipline
5+ years of Core Java Development experience & Integration Technologies (Spring, MQ, JSON, XML, SOAP).
Experience writing SQL queries (DB2, Snowflake).
Crystal reports/Excel Writer/Aspose.
Working knowledge of scripting languages (Perl, Unix Shell, Python).
Experience working with source code repositories (Bitbucket, GitHub)
JavaScript, Angular is a plus.
Sound understanding of Object-Oriented Design & Programming, Enterprise Architecture Patterns and GoF design.
A flexible, tenacious team player with a positive attitude and strong interpersonal skills, able to build collaborative relationships with globally distributed teams.
Strong analytical and design skills with attention to detail.
Excellent communication (verbal and written) skills; Able to communicate with different stakeholders effectively.
Experience developing technical solutions in Investment Management industry.
Understanding of portfolio accounting concepts and trade lifecycle
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.
- Designing, developing and delivering high-volume, low-latency applications for mission-critical systems
Framework required – spring boot, Hibernate
Skills - Should have knowledge of JPA, js, Ajax
- Java development knowledge is a must
- Springboot preferred
- 2.AWS exposure is a must
- Engineering degree in Computer Science, Electronics and, Communication or Information Science.
- Or MCA is agreeable.
- Location: Bangalore
We are looking to hire Node.js Backend developers to build a consumer-friendly social commerce app.
You can apply if you have knowledge of JavaScript and frameworks/systems (nodejs) and
- Strong analytical skills and aptitude Good Understanding of architecture, software design and best coding practices
- Ability to learn new languages and technologies
- Experience with databases (both SQL and NoSQL)
- Familiarity with Agile development methodologies
- Good working knowledge of Linux
- Excellent communication skills
Plus points:
- Knowledge of Redis, Mongo and Mysql.
- Knowledge of AWS services.
- Knowledge of CI/CD pipelines.
- Deep understanding of Database Indexing.
- Knowledge of microservices architecture.
- Knowledge of golang/rust.
Working with an early stage startup can get you an opportunity to build systems from scratch, exponentially grow your career and become industry leaders. You will be working with experienced software engineers from top IITs, unicorns and soonicorns who have built systems for millions of users
Title: Java Developer
Experience: 3 - 8 years
Work Location: Bangalore
Notice Period: Immediate to 30 days Max
Key Skills: Java/J2EE, Spring Boot, Microservices, AWS cloud
Roles & Responsibilities:
- Experienced in Java related technologies and frameworks, experience involving all the phases of software development life cycle
- Excellent development skills to develop Web Applications, Services, and multi-threaded server-side implementations using Java/J2EE, Spring, Hibernate, Web Services using REST.
- Knowledge on spring boot for developing microservices as an added advantage
- Should have experience in TDD, Unit Testing
- Good understanding and application of OOP concepts and design
- Good understanding of different Design patterns
- Preferred Cloud platform, Dockers and Containers knowledge or experience
- Proven experience in the use of Eclipse, Maven, Junit, IntelliJ
- Well versed with SQL Queries
- Experience in cloud technologies mainly AWS Cloud.
- Good logical and analytical skills and quick in grabbing functional aspects of many applications at a time
- Should possess good communication skills to communicate during sprint stand up meetings with team members and client
- Good behavioral skills to excel in software development projects execution
- Good in test-driven development and experience in writing unit tests and integration tests.
Skills: Must have
- Java 8, Spring Boot & Hibernate (Mandatory Hands-on)
- knowledge on Microservices and API Development.
Other goods to have skills prefer for the candidate.
- Experience in Golang / Python
- 2-3 years of strong experience in Angular/React/any front-end framework (for Fullstack Developer)
- Already part of the agile scrum-based development team
- Knowledge of other programming languages like JavaScript, PHP, Golang ( Apart from Java)
Education Qualification:
- BE/B.Tech/MCA/M.Sc/M.Tech
- Relevant certification is plus – (Cloud, Technology)
- Minimum 1-year experience is mandatory
- Proven Software Development Skills in Laravel Framework and Core PHP
- Good knowledge and experience in OOPS concepts and Core PHP
- Good Database designing skills in MySQL
- Experience in known APIs like Google, Facebook, etc.
- Knowledge of JavaScript, JQuery, JASON, AngularJS will help
- Passion for Software Development and Coding
- Good Knowledge and Experience in WordPress will help.
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.










