
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.

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.
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Key Responsibilities
- Design, develop, and maintain scalable backend applications using Java and Spring Boot.
- Develop and maintain RESTful APIs following best practices.
- Implement API versioning strategies to support backward compatibility.
- Create and maintain API documentation using Swagger/OpenAPI.
- Implement Spring Transaction Management to ensure data integrity
- Use Spring Data JPA for database interactions and ORM mapping
- Write efficient SQL queries and optimize database performance
- Implement CQRS (Command Query Responsibility Segregation) where applicable.
- Develop systems based on event-driven architecture patterns.
- Write unit tests using JUnit and Mockito.
- Build and manage projects using Maven or Gradle build scripts.
- Use AI coding assistants such as Gemini Code Assist or similar tools to improve development efficiency.
- Participate in code reviews, design discussions, and architecture decisions.
- Collaborate with frontend teams, DevOps engineers, and product stakeholders.
- Strong problem-solving and debugging abilities
- Ability to design highly scalable backend systems
- Experience working in Agile/Scrum environments
- Good communication and collaboration skills
- Strong code quality and clean architecture mindset
Optional / Good to Have Skills
- Experience with Docker
- Knowledge of Kubernetes
- Experience with GraphQL API development
- Experience with cloud platforms (GCP / AWS / Azure)
Candidates from Supply Chain , Retail preferred
Job Description
Roles and Responsibilities
· Design, Code, test, debug, implement and document complex WSO2 sequences.
· Monitoring and logging tool stacks - Splunk/ELK/Prometheus, Grafana 4 Design, Code, test, debug, implement and document complex WSO2 sequences.
· Perform Build activities for WSO2 ESB Middleware integration, involves writing XSLT, ESB coding, configuration, and Analysis activities.
· Trouble shooting various problems in different stages of development using logs files, Traces and Log Analyzer.
· Responsible for understanding the requirement, solution design, coordinate the development and testing activities (end to end)
· Guide the team regarding WSO2 platform best practices, framework, reusable artefacts and ensure code quality and timely deliverables.
· Work with functional and technical customers to determine solutions that drive additional business value.
· Work with Github, Azure Devops and CI tools to automate dev, build, deployment and testing.
· Good knowledge in messaging brokers: WSO2 Message Broker, Apache Kafka.
· Monitoring the server (Monitoring logs and WSO2 metrics).
· Desired Candidate Profile
Desired Candidate Profile
· Candidate must have minimum 2+ years of hands-on experience in WSO2, preferably with WSO2 certification.
· Extensive experience in Integration by using WSO2 Product Stack (API Manager 2.6/3.x, Enterprise Integrator 6.5 and Identity Server 5.7.0)
· Experience in Implementing APIs in WSO2 EI and On-boarding APIs into WSO2 API Manager
· Experience in WSO2 API Manager for designing API facades and designing and implementing API Proxies.
· Hands-on experience in designing and developing high volume web services using API Protocols and Data Formats (REST, JSON, SOAP & XML).
· Must have hands on experience / knowledge with CI tools to automate dev, build, deploy.
· Experience in programming languages: Java, JavaScript, Python
· Experience in on boarding web applications into WSO2 Identity Server for authentication and authorizatio
Qualifications
• Minimum of a Bachelor's or Master’s degree in Computer Science, or a related four-year degree.
• 4 years of hands on experience in Integration
Job Description:
We are looking for a skilled and enthusiastic Java Developer to join our team in Chennai. The ideal candidate should have strong hands-on experience in Java development with a focus on backend frameworks such as Spring Boot and Hibernate. If you’re passionate about clean code, scalable applications, and delivering robust software solutions—this is the role for you.
Key Responsibilities:
- Design, develop, test, and maintain backend applications using Java, Spring Boot, and Hibernate.
- Write efficient, scalable, and reusable code.
- Participate in design discussions, code reviews, and deliver high-quality software.
- Collaborate with cross-functional teams to define, design, and ship new features.
- Troubleshoot, debug, and upgrade existing systems.
- Ensure best practices in software development and Agile methodologies.
Required Skills:
- Strong proficiency in Core Java (Java 8 or above).
- Hands-on experience with Spring Boot and Hibernate.
- Proficient in working with RESTful APIs and Web Services.
- Experience with SQL and relational databases (e.g., MySQL, PostgreSQL).
- Familiarity with version control tools like Git.
- Knowledge of software development lifecycle and Agile practices.
- 5-7 years hands-on working experience in Java / Spring / Spring Cloud / Spring Data JPA / Spring Boot Microservices
- Data processing capability
- Hands-on working experience with GCP/AWS/Azure
- Hands-on working experience with Junit, Git, Jenkins, Maven
- Excellent communication skill
- Experience on Google cloud data flow would be an added advantage
Java, SpringBoot, Problem Solving skill, Apache Beam, AWS/GCP,
•Hands on experience in Object oriented programming
•Hands on experience in Java, SpringBoot (min 2 years) or kafka or Cassandra or MongoDB
•Experience with developing/enhancing applications connecting to different Databases : Oracle/MySQL/Cassandra/MongoDB
•Strong knowledge of common Data structures and algorithms and when to use them.
•Experience in Xpath or XML or REST or JSON or protobuff
• Experience with software version control (such as git)
•Experience in working in an agile environment such as Scrum.
Preferable:
•Experience in public cloud PaaS (AWS, GCP, Azure)
•Real time stream data handling (Kafka, Kinesis
· Core responsibilities to include analyze business requirements and designs for accuracy and completeness. Develops and maintains relevant product.
· BlueYonder is seeking a Senior/Principal Architect in the Data Services department (under Luminate Platform ) to act as one of key technology leaders to build and manage BlueYonder’ s technology assets in the Data Platform and Services.
· This individual will act as a trusted technical advisor and strategic thought leader to the Data Services department. The successful candidate will have the opportunity to lead, participate, guide, and mentor other people in the team on architecture and design in a hands-on manner. You are responsible for technical direction of Data Platform. This position reports to the Global Head, Data Services and will be based in Bangalore, India.
· Core responsibilities to include Architecting and designing (along with counterparts and distinguished Architects) a ground up cloud native (we use Azure) SaaS product in Order management and micro-fulfillment
· The team currently comprises of 60+ global associates across US, India (COE) and UK and is expected to grow rapidly. The incumbent will need to have leadership qualities to also mentor junior and mid-level software associates in our team. This person will lead the Data platform architecture – Streaming, Bulk with Snowflake/Elastic Search/other tools
Our current technical environment:
· Software: Java, Springboot, Gradle, GIT, Hibernate, Rest API, OAuth , Snowflake
· • Application Architecture: Scalable, Resilient, event driven, secure multi-tenant Microservices architecture
· • Cloud Architecture: MS Azure (ARM templates, AKS, HD insight, Application gateway, Virtue Networks, Event Hub, Azure AD)
· Frameworks/Others: Kubernetes, Kafka, Elasticsearch, Spark, NOSQL, RDBMS, Springboot, Gradle GIT, Ignite
It is a platform that connects new-age digital-first brands with "relevant" sellers to sell their products and services to trust deficit, less tech-savvy users by building trust through assisted sales and support. It acts as a bridge between brands and the end consumers who need a physical touchpoint, in-person interactions, training, push, and motivation before buying a product/service.
We are looking for a passionate, self-driven, motivated, hands-on Tech enthusiast who has a strong understanding and is willing to shape, drive, and implement technology at our company. We are looking for someone who can build a product from scratch with a successful track record of building scalable software systems. If you are someone who believes in our core values and loves working in early-stage startups and enjoys working in a challenging environment, we welcome you with open arms!
This opportunity is for you if
● You have 4-6 Years of work experience in building highly-interactive applications using Java, Spring MVC, Spring JMS, Spring JDBC, Spring IOC, Spring Boot, MySQL, MiBatis, ReactJS, JavaScript, jQuery, AWS, JMS and have knowledge on a wide range of web technologies, tools, and Frameworks.
● You have experience in working with Restful web services
● You have strong knowledge and understanding of design patterns and domain-driven design
● You understand fundamental design principles behind building scalable, resilient, and
maintainable applications
● You have functional knowledge of inclusive design: accessibility, and related tooling
● You have consumer web development experience for high-traffic, public-facing web
applications
● You have a knack for writing clean, readable, reusable code
● You have good knowledge of TDD and CI/CD practices.
● You have experience in managing and publishing releases using Git branching and tools like NPM and YARN.
● You have a penchant for learning
● You are a great analytical & logical thinker and someone who loves solving problems
● You are passionate, energetic, enthusiastic and a go-getter
● You are “ FUN @ Work “









