
JOB DESCRIPTION
Experience: 5+ years
Location: Bangalore
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+ 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 client- facing 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
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 : Node.js Developer
Experience : 3+ Years
Location : Gurgaon
Interview Rounds : 3
Mandatory Key Skills :
- Node.js, TypeScript
- PostgreSQL, MongoDB
- API Development, Microservices
Responsibilities :
- Develop and maintain scalable backend applications.
- Design and optimize database queries in PostgreSQL & MongoDB.
- Collaborate with cross-functional teams for seamless integration.
We are seeking a highly skilled C++ Developer with 6–9 years of experience to design,
develop, and maintain high-performance software applications. The ideal candidate will
have a strong foundation in object-oriented programming, data structures, and
system-level programming, with a focus on delivering efficient and scalable
solutions.
Key Responsibilities:
Design, develop, and maintain robust and efficient applications using C++.
Write clean, maintainable, and optimized code following best practices.
Debug, troubleshoot, and resolve performance bottlenecks and issues.
Collaborate with cross-functional teams, including QA, DevOps, and Product
Management, to deliver high-quality software solutions.
Participate in code reviews and contribute to improving coding standards.
Prepare and maintain technical documentation for development processes and
modules.
Work on integrating software components and third-party libraries.
Optimize application performance and scalability for large-scale systems.
Required Skills and Qualifications:
6–9 years of hands-on development experience in C++.
Strong knowledge of object-oriented programming, STL, and design
patterns.
Experience with multithreading, memory management, and performance
tuning.
Familiarity with Linux/Unix environments and shell scripting.
Good understanding of network programming and socket-level communication.
Experience working with version control systems like Git.
Strong problem-solving and debugging skills.
Excellent communication and collaboration abilities.
Preferred Qualifications:
Experience with modern C++ standards (C++11/14/17 or later).
Knowledge of database systems such as MySQL, PostgreSQL, or NoSQL
databases.
Exposure to cloud platforms like AWS, Azure, or GCP.
Familiarity with CI/CD pipelines and DevOps tools.
Background in Agile/Scrum methodologies.
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.
Responsibilities:
- Experience and working knowledge of Java 8, Hibernate, Spring Boot, Microservices and REST API is mandatory
- Expert understanding of the object-oriented design and programming concepts
- Strong problem solving skills, data structures and algorithms and multithreading
- Good understanding of AWS and cloud-native technologies
- Knowledge of AWS services - RDS, DynamoDB, Elastic Search, Kinesis. Experience of working with AWS SDK is preferred.
- Good understanding of CI/CD and Jenkins pipeline
- Experience of writing unit tests using Junit/Mockito
- Knowledge of Integration Testing framework like Cucumber is required.
- Proficient in Git commands and branching concepts
Should have Excellent Experience of Node.js.
In-Depth knowledge of Express Js, JavaScript, TypeScript,
Should have experience in MongoDB, My SQL, GraphQL and any graph Database
Experience working with REST APIs, and Sockets.
Ability to Identify and fix production and non-production application issues as a part of the deployment.
Good Knowledge of AWS - Beanstalk, Cloud Watch.
Good to have Agile/JIRA/ Continuous Deployment experience.
Good Knowledge of JSON, API, and JWT
Ability and willingness to manage multiple projects/tasks.
Basic Understanding of HTML5, CSS.
Job Responsibilities:
Understanding accessibility and security compliance (Depending on the specific project)
User authentication and authorization between multiple systems, servers, and environments.
Integration of multiple data sources and databases into one system
Understanding fundamental design principles behind a scalable application.
- JAVA Microservices with AWS needed
- Provide solution architecture & design involving Cloud and DevOps
- Develop new microservices in a cloud-native way.
- Ensure the unit testing and code coverage are achieved as per the agreed percentage.
- Build reusable code and libraries for future use.
- Optimize application for maximum performance and scalability.
- Collaborate, and coordinate with team members and key stakeholders.
- Communicate effectively with different stakeholders.
- Ensure best practices & standards are followed during SDLC.
- Takes ownership of the whole solution from a technical perspective and ensures adherence to defined Architecture & Design.
- Ensures the latest technology standards, and guidelines are utilized for development.
- Performs consistent & adequate code reviews & feedback to the team.
- Training and induction of new resources on the projects.
Skills and Qualifications
- Deep understanding of OOPs and OOAD.
- Expert and hands-on in Java JEE and Spring framework, Spring Boot.
- Should have experience with RESTful web services and API standards.
- Should know various integration patterns in distributed environments.
- Working knowledge of microservice architecture and different design patterns.
- Hands-on in writing unit tests with Mockito and code coverage tools.
- Hands-on data modeling (Logical physical).
- Knowledge of RDBMS, SQL and any ORM framework (JPA, Hibernate etc.)
- Should know Event-driven and asynchronous programming using message broker.
- Should know about cloud IaaS, PaaS, SaaS and Serverless models of any cloud provider (AWS, Azure, GCP), preferably AWS.
- Knowledge of JavaScript frameworks like NodeJS (For the Backend) and Angular React (For Frontend) will be added advantage.
- Good to have DevOps related technologies like Container (Docker), Container Orchestrator (Kubernetes EKS)
- Excellent in communication
Job ID: RP1001
Required Experience- 4+ years
Expected joining within two weeks
Preferred Skills:
- Good communication skills in English (Written and Oral)
- Strong knowledge of RDBMS concepts
- Strong analytical and problem-solving skills
- Experience in performance tuning
- Experience in interaction with the customer
- Technical skills Java, HTML, CSS, TypeScript, SpringBoot, Hibernate, Microservices
- Preferred Tools (SVN, GIT, Maven, Jenkins Jira Confluence)
- Ability to explore the application by himself/herself from the training provided
Responsibilities:
- New feature development or enhancement or change request activities (Requirement analysis, Requirement documentation, Design, Coding, Review, Testing and Release process)
- Defect Fixing (Defect analysis, route cause identification, Code change, testing, obtaining user confirmation and release process)
- Support tasks (Ticket analysis, data uploading, performance tuning, job monitoring, any analysis task, ReportGeneration and etc.,)
- Level 2 and Level 3 support (Support process adherence)
- Functional and technical or solution documentation preparation
- Execution will either be Waterfall or Agile
- The process needs to be followed as defined by RBEI or RBEI’s Customer
- Preparation & participation in the project status and review meeting
Job Locations: Bangalore, Pune, Chennai, Dehradun, Mohali, Panchkula, or Gurugram (Currently Remote)
- Ensuring that micro services are used wherever it makes sense.
- Mentoring team and finding the right balance towards process and documentation.
- Working on interesting technical challenges in a product centric and open-source driven environment.
- Helping set a very high bar on code quality.
- Taking ownership of product features from conception to implementation, testing deployment and support.
- Working on open source as much as possible, and blogging about cool things that he/ she learnt and built.
- Helping define who we become as a company.
- Getting stock options in line with Silicon Valley standards.
What you need to have:
- Any engineering graduate
- 4 to 10 years of experience in building app architecture
- The role requires a good knowledge of Algorithmic Design and Architecture, Data structures, OOPS Concepts, serverless architectures and complex problem solving skills.
- Knowledge of Full stack CTO
- Must have worked as backend lead
- Ownership - A lot of freedom on when and where you work from - just get stuff done.










