
Looking candidated from service base or service division of any company.
Minimum Qualification:
- Hands-on working on Java ( {Language understanding - Java 8, Lambdas, Collections, popular frameworks & libraries}, JVM, GC tuning, performance tuning)
- Worked on REST frameworks/libraries like Spring MVC, Spring Boot, Dropwizard, REST Express etc
- Worked on Relational data stores viz. MySQL, Oracle or Postgres
- Worked on Non-relational data stores viz. Cassandra, HBase, Couchbase, MongoDB etc
- Worked on caching infra viz. Redis, Memcached, Aerospike, Riak etc
- Worked on Queueing infra viz. Kafka, RabbitMQ, ActiveMQ etc

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What we Require
We are recruiting technical experts with the following core skills and hands-on experience on
Mandatory skills : Core java, Microservices, AWS/Azure/GCP, Spring, Spring Boot
Hands on experience on : Kafka , Redis ,SQL, Docker, Kubernetes
Expert proficiency in designing both producer and consumer types of Rest services.
Expert proficiency in Unit testing and Code Quality tools.
Expert proficiency in ensuring code coverage.
Expert proficiency in understanding High-Level Design and translating that to Low-Level design
Hands-on experience working with no-SQL databases.
Experience working in an Agile development process - Scrum.
Experience working closely with engineers and software cultures.
Ability to think at a high level about product strategy and customer journeys.
Ability to produce low level design considering the paradigm that journeys will be extensible in the future and translate that into components that can be easily extended and reused.
Excellent communication skills to clearly articulate design decisions.
7+ years of experience in Python Development
Good experience in Microservices and APIs development.
Must have exposure to large scale data
Good to have Gen AI experience
Code versioning and collaboration. (Git)
Knowledge for Libraries for extracting data from websites.
Knowledge of SQL and NoSQL databases
Familiarity with RESTful APIs
Familiarity with Cloud (Azure /AWS) technologies
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
Required Skills for the Java role :
- Experience in Core Java, CXF, Spring.
- Experience in spring boot, microservices.
- Extensive experience in developing enterprise-scale n-tier applications for the financial domain. 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, preferably Sybase database
- Good knowledge of multi-threading and high volume server side development
- Experience in sales and trading platforms in investment banking/capital markets
- Basic working knowledge of Unix/Linux
- Excellent problem solving and coding skills in Java
- Strong interpersonal, communication and analytical skills.
- Should have the ability to express their design ideas and thoughts.
- Bachelor's/Master’s degree in Computer Science or related field from a top-tier institute (IIT, NIT, BITS, etc.).
Job Description – Senior Java Developer (Spring Boot / Microservices)
Location: Chennai, India
Experience: 4+ Years
Availability: Immediate Joiner
About the Role:
We are looking for a highly skilled Java Developer with over 5 years of hands-on experience in building scalable backend systems using Java, Spring Boot, and Microservices architecture. The ideal candidate will have strong problem-solving skills, deep knowledge of backend frameworks, and a solid understanding of JUnit-based testing.
Key Responsibilities:
- Design, develop, and maintain high-performance backend systems using Java and Spring Boot
- Develop and deploy RESTful microservices in a distributed architecture
- Collaborate with cross-functional teams to define, design, and ship new features
- Write clean, scalable, and testable code following best practices
- Implement unit and integration tests using JUnit and other testing frameworks
- Participate in code reviews and contribute to improving team processes
- Troubleshoot and resolve production issues in a timely manner
Key Skills:
- Strong proficiency in Java
- Expertise in Spring Boot and related modules (Spring Data, Spring Security, etc.)
- Solid understanding of Microservices architecture, REST APIs, and inter-service communication
- Experience with JUnit and writing automated test cases
- Familiarity with CI/CD pipelines and version control (Git)
- Knowledge of containerization (Docker, Kubernetes) is a plus
- Exposure to messaging systems like Kafka or RabbitMQ is a plus
- Familiarity with databases (SQL/NoSQL)
Software Development Engineers will be responsible to participate in all stages of
the software product development life cycle. This will include analyzing system
and user requirements, designing software flowcharts, writing clean Java code,
troubleshooting bugs, and running tests to improve system functionality.
An ideal candidate would be someone who has proficiency in Java technologies,
good analytical skills, the ability to anticipate issues and frame remedial actions,
and excellent teamwork skills.
What will you be doing?
● Write simple, efficient, and maintainable code.
● Design, develop, scale and maintain backend services in Java
● Manage individual priorities, deadlines, and deliverables.
● Validating the functionality and security of the application.
● Function well in a fast-paced, rapidly changing environment
● Ensuring best coding standards and practices to improve and maintain
quality.
● Meeting with the engineering and product team to discuss project definitions
and goals.
What will you need ?
● Bachelor/Master degree in CS or related field from a reputed college
● Sound knowledge of Java technologies.
● Solid grip on the programming basics like DS and algorithms, OOPS.
● Understanding & experience with software design pattern, restful APIs and
microservice architecture
● Experience with software design and application programming.
● Prior experience in start-ups or health-tech will be a plus
system performance.
Experience with JSP & Servlet.
Experience with open source frameworks/libraries like Spring, Hibernate, Struts, JUnit etc.
Experience with MVC frameworks like Spring MVC, Struts, JSF etc.
Experience with XML and webservices (SOAP/REST).
Experience with application Servers like Web logic, WebSphere and Jboss.
Experience with JavaScript, Jquery, AJAX, CSS, HTML.
Knowledge of Messaging (JMS,MDB etc.) is a plus.
Knowledge of build tools like Maven and ANT is a plus.
Good understanding of object oriented methodologies and design principles.
Knowledge of the PTC/Servigistics/Click Commerce/Xelus “Service Depot
Management/SL/Repairs and Returns/XDR” application is a plus.
Experience working with large amounts of data.
Able to work with and participate within a small multicultural professional team.
Understanding of performance profiling / tuning.
Familiar with Agile methodologies/tools.
Experience with SQL.
Experience in analysis, design, coding, and implementation of enterprise Java web
applications.
General understanding of scalability and high-availability systems.
Excellent communication/documentation skills
Ability to work effectively under pressure with constantly changing priorities and deadlines
Hiring Java Developers across hierarchical level for Datametica Solutions Pvt. Ltd.
Designation: Developer / Lead / Architect - JAVA
Experience - 4+ Years
Work Location - Pune
Responsibilities:
- Own, drive and evolve product systems/subsystems
- Develop, architect highly scalable, highly available, reliable, secure and fault-tolerant systems with minimal guidance
- Suggest new architectural elements to improve the existing architecture
- Design and implement low latency RESTful services; Define API contracts between services; Version APIs and make them backward compatible
- Translate business requirements into scalable and extensible design
- Create platforms, reusable libraries and utilities wherever applicable
- Continuously refactor applications to ensure high-quality design
- Choose the right technology stack for the product systems/subsystems
- Write high-quality code that are modular, functional and testable; Establish the best coding practices
- Formally mentor junior engineers on design, coding and troubleshooting
- Plan projects using agile methodologies and ensure timely delivery
- Work with automation engineers to automate end-end flows and non-functional requirements
- Troubleshoot issues effectively in a distributed architecture
- Communicate, collaborate and work effectively in a global environment
- Operationalize releases by partnering with Tech operations on capacity planning and operability of the product.
Skills Required:
- Proficient in JVM based language(like Java, Groovy), J2EE technology stack
- Expertise in API design and development
- Experience in dealing with a large dataset
- Strong in Data Structure, collections, algorithms, multithreading, etc
- Practicing the coding standards (clean code, design patterns, etc)
- Very strong object-oriented design skills, awareness of design patterns and architectural patterns
- Performance tuning and Troubleshooting memory issues, GC tuning, resource leaks, etc.
- Strong problem-solving skills, algorithmic skills and data structures
- Experience in agile methodologies like Scrum
- Good understanding of branching, build, deployment, continuous integration methodologies
- Experience in leading a team (min 5)and mentoring engineers
- Attitude to getting Stuff Done!
- Ability to make decisions independently.
Interested candidate must shoot up their resume immediately.
Note: Candidates who are immediately available or have a notice period of 30 to 45 Days are highly preferred.
● Develop, record and maintain cutting edge web-based PHP SAAS applications on portal plus
premium service platforms.
● Should be individual contributor and able to handle frontend and backend.
● Build innovative, state-of-the-art applications and collaborate with the User Experience (UX) team,
testing teams.
● Strong knowledge of HTML, CSS, and JavaScript, JQuery and Microservices
● Prepare and maintain all applications utilizing standard development tools
● Utilize backend data services and contribute to increase existing data services API
● Lead the entire web application development life cycle right from concept stage to delivery and post
launch support
● Good knowledge of GIT, Digital Ocean or AWS servers
● Convey effectively with all task progress, evaluations, suggestions, schedules along with technical
and process issues.
● Document the development process, architecture, and standard comp
Libraries, Interface, Language Fundamentals
Data Structures, Algorithms, Collections
Design Patterns, Singletons
Multithreading
Messaging, CI/CD
Databases
Tooling:
Application Layering, Architectural Design
Unit Testing/ Integration Testing
Any Devops tooling experience (Docker/ Kubernates/ Terraforms)
Tool Configuration and Log Monitoring










