
Deep expertise and hands on experience in Core java
∙ Hands-on experience with at least 2 years in Spring, Hibernate & Restful web services.
∙ Hands-on experience with at least 3 years in GUI development using Angular/React
, HTML & JavaScript. Added advantage if worked on Angular 5 and above, NodeJS, Bootstrap, jQuery.
∙ Clear understanding of Software Development life cycle and process Oriented. Would be great if worked on Agile or Continuous Delivery (CD) based projects before.
∙ Good fundamentals in Core Programming, JDBC, Object Oriented design & Design patterns
∙ Should have exposure to Oracle SQL. Any other DB apart from Oracle is also fine, provided the fundamentals of RDBMS are clear. Good to have experience in writing Sqls, stored procedures and functions.
∙ Experience in creating & executing unit tests using test driven approach with JUnit or any other equivalent.

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business and IT stakeholders.
You will be required to manage and prioritize a backlog of work and coordinate with modernization engineers to develop modern replacements for our older systems built on outdated/sunset technologies.
Ideally, you will have about 7-12 yrs exp in Software engineering & 4+ years of product management experience.
• Proficiency with software architecture, methodology, governance, and roll-out/implementation process.
• 5+ years of modern software development experience with the following technologies:
o Java
o Spring Boot
o Linux
o React.js
o GCP
• 2+ years of legacy software development experience with the following technologies:
o COBOL/JCL
o CICS
o DB2
o PowerBuilder
o Perl
o C/C++
• Very strong systems analysis, consulting skills, and intellectual curiosity
• Leadership across international borders
• Project management – estimating, planning, controlling, and execution.
Work Location - Bangalore (Should be ready to relocate)
Kindly go through the JD & company details if interested please revert with below details & acknowledge with your availability.
Mode of work: Hybrid weekly 2/3 Times Mumbai/ Bangalore location.
While you may already know about Wissen and the company history, here is a quick rundown for you.
INTERVIEW PROCESS:
- Hacker earth assessment
- Round 1
- Round 2
- Final Round
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, State Street, Flipkart, Swiggy, Trafigura, GE to name a few.
Website : www.wissen.com
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.
Job Description:
As per our conversation, please find below the job description for your review.
· Strong written/verbal communication skills
· Minimum 4-14 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Fork join 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.
· While you may already know about Wissen and the company history, here is a quick rundown for you.
Job Summary:
We are looking for a highly skilled and experienced Java Backend Developer with 4.5+ years of hands-on experience in backend development, system design, and API integration. You’ll play a key role in designing and building high-performance backend systems that are scalable, secure, and reliable. As a core member of the engineering team, you’ll collaborate closely with product owners, architects, and other developers to deliver quality solutions.
Responsibilities:
- Design and develop backend components, REST APIs, and microservices using Java and Spring Boot.
- Contribute to the architectural decisions and system design discussions.
- Write clean, efficient, and testable code following best practices.
- Optimize application performance, scalability, and reliability.
- Integrate third-party APIs and work with external systems.
- Participate in code reviews, mentor junior developers, and support the team’s technical growth.
- Work closely with DevOps to support CI/CD pipelines and deployments.
- Troubleshoot and resolve complex issues in production and non-production environments.
- Keep up with industry trends and advocate for best practices in backend development.
Required Skills:
- 4.5+ years of hands-on experience in backend development with Java (Java 8 or above).
- Strong expertise in Spring Framework (Spring Boot, Spring MVC, Spring Data).
- Experience designing and consuming RESTful APIs and working with microservices architecture.
- Solid understanding of relational and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).
- Proficient with version control systems like Git and tools like Maven or Gradle.
- Familiarity with Docker, containerization, and cloud platforms (AWS/GCP/Azure).
- Experience with unit testing and integration testing (JUnit, Mockito, etc.).
- Good knowledge of software design principles, data structures, and algorithms.
- Excellent problem-solving skills and attention to detail.


Architect, develop and maintain highly scalable, reliable and secure distributed backend
systems on Cloud (AWS or Azure) or on-premises environments for Mihup, its customers
and partners.
Work closely with your fellow engineers to develop systems capable of concurrently
processing massive amounts of voice data both in online real-time as well as offline
environments.
Drive accountability for test driven development, delivery of high-quality features and
resilient enterprise class solutions.
Lead a culture of team ownership and direct individual and team accountability to
continuously improve how they work to achieve results.
Work in a startup environment, pushing boundaries with deep involvement with business.
BE//BTech/ME/MTech in Computer Science or a related field from a Tier I or Tier II
University.
6-8 years of hands-on software development and deployment experience (experience of
working in a consumer product startup during its growth phase will be a plus) of which 1 – 2
years of experience would be in leading a team of software developers.
Expertise in Java 8+ and Spring Boot is a must
Good experience in messaging platforms like RabbitMQ/Kafka
Good experience in distributed systems and relational & NoSQL databases like PostgreSQL,
MySQL, Redis, MongoDB, etc.
Expertise in one or more of: Python, NodeJS, GoLang would be preferred
Must have hands on experience in products which handle multiple concurrent calls (API),
handle CPU intensive jobs, consist of multiple asynchronous system calls.
Worked on microservices based architecture and design
Managed/ Owned infrastructure on AWS/Microsoft Azure/private clouds and setup high
availability systems
Knowledge of Docker and Kubernetes
Knowledge of RESTful APIs, caching concepts, the HTTP protocol and general web
architecture
Pluses
1. Anything that will let us know more about who you are that you would like to share such as
Blogs, Twitter, Medium, GitHub etc.
Looking for a Senior Java technologist at Bangalore.
This position is with a fast growing Ecommerce Startup.
Kindly Refer To The Below Pointers :
- Hands on experience in developing Java with OOAD, Datastructures, Mullithreading
Technical Architect responsible for SDLC, designs, developer mentoring, code reviews, hands on implementations.
- Strong proficiency in Java, design patterns.
-
3+ years of Experience in software Design and development and familiar with technologies - Java, Java-J2EE, Spring Boot, Hibernate, Ajax, REST API, Micro services etc.
-
Working knowledge of JVM internals
-
Working knowledge of any database (MySQL or HSQLDB)
-
Working knowledge of No-SQL database (Mongo or Dynamo DB)
-
Working experience with messaging (JMS/RabbitMQ)
-
R & D on new advanced cloud-based technologies in a test-driven agile development.
-
Knowledge in designing and architecting systems with high scalability and performance requirements.
-
Ability to understand infrastructure for performance evaluation and reporting of cloud-based services, namely AWS
-
knowledge of key AWS services like EC2, S3, Lambda, CloudWatch etc.
-
Certification on AWS Fundamendals
-
Excellent communication skills
-
ability to effectively articulate technical challenges and solutions
-
skilled in interfacing with internal and external technical resources
-
Good in debugging problems and mentoring teams on technical front
We are looking for a Back-end developer to join our engineering team and help us develop and maintain various software products.
Experience: 0-2 years
Prerequisites:
- In-depth understanding of web development process
- Familiarity with Java and Spring frameworks preferably Spring Boot
- Familiarity with Node JS
- Basic understanding of front-end technologies, such as JavaScript, HTML, CSS.
- Experience with working on REST API (GET, POST, PUT, PATCH, DELETE, UPDATE)
Job Description
The duties and responsibilities of a selected applicant would include:
- Participate in the entire application lifecycle, focusing on coding and debugging.
- Design and implement low-latency, high-availability, and performance applications.
- Develop back-end components to improve responsiveness and overall performance
- Collaborate with Front-end developers to integrate user-facing elements with server-side logic
- Perform UI tests to optimize performance
- Test and debug programs
- Implement security and data protection solutions
If you have the desire to be a part of an exciting, challenging,+ and rapidly-growing company, and create the finest apps in a flourishing industry, please send in your applications on:
- Proficiency in Java, with a good understanding of its ecosystems
- Sound knowledge of https://www.simplilearn.com/tutorials/java-tutorial/oops-interview-questions" target="_blank">Object-Oriented Programming (OOP) Patterns and Concepts
- Familiarity with different design and architectural patterns
- Skill for writing reusable Java libraries
- Knowhow of Java concurrency patterns
- Basic Understanding of the concepts of MVC (Model-View-Controller) Pattern, JDBC (Java Database Connectivity), and RESTful web services
Contributes to design, development, troubleshooting, debugging, evaluating, modifying, deploying, and documenting software and systems that meet the needs of customer-facing applications, business applications, and/or internal end user applications
Function as an active member of an agile team by contributing to software builds through consistent development practices (tools, common components, and documentation)
Participate in code reviews and automated testing
Debug basic software components and identify code defects for remediation
Support and monitoring of software across test, integration, and production environments
Automate deployments in test or production environments
Explores new automation techniques to refine the agility, speed and quality of engineering initiatives and efforts
Defines test conditions based on the requirements and specifications provided. Takes part in reviews of own work and handles work efficiently. Skills & Qualifications:
5+ years of software development experience in Java.
Java 8, JBPM, Security, Microservices, API, Gateway, spring boot.
Understanding of Agile or other rapid application development methods, object-oriented design, exposure to design and coding across one or more platforms and languages
Experience in developing REST APIs and building Microservices.
Strong hands-on experience with databases (SQL & no-SQL)
Solid understanding of data structures, Algorithms & Design Patters will be a plus
Exposure to methods relating to application design, software development and automated testing
Ability to understand and use data structures and associated components
Understands the core tools used in the planning, analyzing, crafting, building, testing, configuring, and maintaining of assigned application(s)
Familiar with infrastructure technologies and components
Learns and applies new technologies and techniques. Keeps up to date on current research and technology in the industry
Recognizes the importance of collaboration to achieve objectives. Influences team members with creative changes and continuous improvement.
Demonstrates analytical thinking, problem solving and adaptive communication
Ability to learn and deep dive into new technology and business domains, question status quo and think outside of the box.
Bachelor’s degree in technical field or equivalent training/certification, or relevant work experience.


