
ompany Name – Wissen Technology
Group of companies in India – Wissen Technology & Wissen Infotech
Job Title: Java Developer
Experience range:- 3-6 Years
Location:- Chennai
Face 2 Face Drive : Friday & Saturday (11th & 12th July 2025)
· Strong written/verbal communication skills
· Minimum 3+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.
- Good experience in Spring boot.
- 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
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Position : Software Engineer (Java Backend Engineer)
Experience : 4+ Years
📍 Location : Bangalore, India (Hybrid)
Mandatory Skills : Java 8+ (Advanced Features), Spring Boot, Apache Spark (Spark Streaming), SQL & Cosmos DB, Git, Maven, CI/CD (Jenkins, GitHub), Azure Cloud, Agile Scrum.
About the Role :
We are seeking a highly skilled Backend Engineer with expertise in Java, Spark, and microservices architecture to join our dynamic team. The ideal candidate will have a strong background in object-oriented programming, experience with Spark Streaming, and a deep understanding of distributed systems and cloud technologies.
Key Responsibilities :
- Design, develop, and maintain highly scalable microservices and optimized RESTful APIs using Spring Boot and Java 8+.
- Implement and optimize Spark Streaming applications for real-time data processing.
- Utilize advanced Java 8 features, including:
- Functional interfaces & Lambda expressions
- Streams and Parallel Streams
- Completable Futures & Concurrency API improvements
- Enhanced Collections APIs
- Work with relational (SQL) and NoSQL (Cosmos DB) databases, ensuring efficient data modeling and retrieval.
- Develop and manage CI/CD pipelines using Jenkins, GitHub, and related automation tools.
- Collaborate with cross-functional teams, including Product, Business, and Automation, to deliver end-to-end product features.
- Ensure adherence to Agile Scrum practices and participate in code reviews to maintain high-quality standards.
- Deploy and manage applications in Azure Cloud environments.
Minimum Qualifications:
- BS/MS in Computer Science or a related field.
- 4+ Years of experience developing backend applications with Spring Boot and Java 8+.
- 3+ Years of hands-on experience with Git for version control.
- Strong understanding of software design patterns and distributed computing principles.
- Experience with Maven for building and deploying artifacts.
- Proven ability to work in Agile Scrum environments with a collaborative team mindset.
- Prior experience with Azure Cloud Technologies.
Job Title: Java Developer (Full-time)
Location: Pune (Onsite)
Experience Required: 3+ Years
Working Days: 5 Days (Mon to Fri)
Key Responsibilities:
- Design, develop, and deploy scalable microservices using Java and Spring Boot.
- Implement RESTful APIs and integrate with external systems and databases.
- Build and manage services on AWS Cloud using components like ECS, Lambda, S3, RDS,
- and API Gateway.
- Collaborate with DevOps to integrate CI/CD pipelines for automated builds, tests, and
- deployments.
- Ensure application performance, reliability, and security in a cloud-native environment.
- Participate in code reviews, troubleshooting, and performance optimization.
- Work closely with architecture, QA, and product teams to deliver high-quality solutions.
Required Skills & Experience:
- Strong proficiency in Java, Spring Boot, and microservice architecture.
- Hands-on experience with AWS Cloud services (ECS, EKS, Lambda, RDS, CloudWatch,etc.).
- Knowledge of Docker, Kubernetes, and CI/CD tools (Jenkins, GitLab, or AWS
- CodePipeline).
- Experience with REST APIs, JSON, and message brokers (Kafka, RabbitMQ, or SNS/SQS).
- Proficiency in SQL and experience with relational databases (Oracle, MySQL, or
- PostgreSQL).
- Familiarity with security best practices, monitoring, and logging in the cloud.
About the role:
You will own a functional area - from product conception to its delivery to customers. You are expected to design and code independently in multiple tech components related to your functional area. You must also develop a deep understanding of non-functional requirements, such as reliability and availability, scale, horizontal scalability, etc. over time to make tech stack decisions accordingly. You are expected to actively mentor junior engineers. You own
the codebase quality.
We are looking for seasoned engineers who are quality-conscious, product thinkers, business cognizant and smart. Engineers get to significantly amplify the impact of their work or creations with scale. The scale also demands that engineers to produce super-efficient solutions.
What you’ll do
- Strong experience with Java 8, Spring and Spring Boot, Spring MVC, Spring Data,
- Working experience in Microservices
- Version Control: Git
- Strong understanding of functional/reactive programming, OOP, design
- Experience with Docker and Kubernetes.
- SDLC: Working experience in Agile methodology
- Strong interpersonal skills and time management skills
What you’ll need
- B.Tech or M.Tech equivalent with at least 3 years of experience
- Deep expertise in at least one programming language & tech stack.
- Strong object-oriented design skills, ability to apply design patterns, and an uncanny ability to design intuitive module and class-level interfaces
- Experience in building data-driven web application design and development is a plus
- Good understanding of multiple tech solutions and ability to pick the correct one for the given situation
- Prior work experience in an agile environment or continuous integration and continuous delivery (CI or CD)
- Ability and experience in designing high-level software designs of the scalable system, taking NFR (non-functional requirement) into consideration
relentlessly improving performance, scalability, and maintainability.
● Sound knowledge and application of algorithms and data structures.
● Proficient in Java, Springboot and Mysql.
● Able to efficiently diagnose bugs and issues.
● Understanding of when to escalate questions/issues that arise during development.
● Work with other developers, QA, DevOps and business staff to efficiently launch features
and resolve issues.
● Actively participate in design and code reviews to build robust applications and prototypes.
● A willingness to dive deep, experiment rapidly and get things done.
● Provide input to how we can continually improve our development process and knowledge.
● Define and participate in establishing better engineering practices.
● Love being challenged by learning and experimenting with new technologies
● Experience with ElasticSearch, Cassandra, Redis, Kakfa, AWS is a plus.
● Prior experience in building microservices, have worked on architectures and designs
independently is a plus.
● Prior product building experience or from a startup background would be a plus.
Exp - 4-6 years
Immediate joiners preferred
Location - Bangalore
Java + Spring boot
Microservice
MYSQL
Design principal
-Clear Communication: Practice clear and concise communication to effectively convey technical concepts.
- In-Depth Knowledge: Be prepared to provide detailed insights into experiences with specific technologies and tools, showcasing expertise.
- Specific Examples: Share real-world examples or projects where they have applied the mentioned technologies to demonstrate practical knowledge.
- Problem-Solving Skills: Be ready to discuss how they have solved real-world technical challenges in previous roles.
- Continuous Learning: Emphasize a commitment to continuous learning and staying updated with industry trends, especially in rapidly evolving fields like cloud technologies.
Essential Requirements:
- 5+ years of Software development experience
- Hands on development experience using Java technology stack with focus on architecture and design.
- Hands-on in Java Programming, J2EE, Spring or SpringBoot, Hibernate, RestAPI, Data Structures, Design Patterns, Oracle Database, PL/SQL
- Experience in application servers with prime focus on Tomcat.
- Experience in messaging systems such as RabbitMQ.
- Experience working in Linux/Unix environments. Must be hands on with Object Oriented concepts along with passion for design patterns and applicability.
- Relevant experience in Java frameworks like Spring Microservices, Spring-Boot, Hibernate, JPA etc.
- Understanding of developer testing practices and the differences between unit, functional, and system tests,
- Should have working experience in a CI/CD environment where build & test is automated.
- Should have working experience in tools like Maven, Jenkins, Bamboo etc.
- Should have used testing Frameworks such as JUnit, Selenium
- Ability to quickly learn and apply new concepts or principles
- Ability to work effectively as part of global team
- Experience working in an agile environment.
- Experience in Azure and AWS Development and Deployment, Active Directory, Containerization.
industry experts.
● YOu will join the mission to create positive impact on millions of peoples lives
● You get to work on the latest tech stack and a team that is highly experimental.
● YOu get to work on AWS with a scalable, serverless and micro-services architecture.
● You get to work with super humans (Psst: Look up these super human1,super human2)
● You get to work in an accelerated learning environment
● All is possible when backed by investors who are committed and believe in the power of
decentralization of data using block chain technology
What you will do
● You will write clean and optimised codes that are well documented
● You will collaborate with and also mentor team members and
● You will contribute to the development effort of several Web Applications (internal as well
as customer-facing)
● You will adhere to best coding practices in front-end development across the team
● You will be agile, research oriented and experiment in learning new product disciplines.
● You will be responsible for the stability of your project and overall system health
post-release
● You will organize code reviews with peers and participate in tech brainstorming sessions.
What we need
● A Minimum 1 years of experience as a back-end engineer and minimum 1 years of
experience using Node JS or using Typescript/Java/Python/Golang.
● Skills to deliver quality APIs and systems using Node JS, Postgres and ElasticSearch
● Experience writing unit test cases
● Experience building Rest APIs using any ORM, bonus for GraphQL APIs
● Understanding of authentication patterns, logging and error handling
● Preferred having experience with working knowledge of React JS, AWS Lambda, API
Gateway, Pub-Sub model
● Understanding of design patterns and event driven architecture is an added advantage.
- Expertise in Java Microservices, Spring, Spring boot MongoDB and Redis
- Hands-on programming skills
- Proficient communication skills
Experience: 8-12 yrs
Location: Noida
Notice Period: Immediate Or 15 days
Job Description:
• 8-12 yrs. experience in Java, J2EE, SQL, JavaScript, HTML, CSS, XML, Oracle, SQL Server
• Strong in Core Java, J2EE and MVC architecture.
• Good written and oral communication skills (English required).
• Good interpersonal skills, with a focus on listening and questioning skills.
• Ability to absorb and retain information quickly.
• Proven analytical and problem-solving abilities.
Must Have:
* Min 3 years in Angular.
* 1 year in AWS.
* Basic knowledge 3-4 months exposure in Python .









