
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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JOB DESCRIPTION:
Location: mumbai
Mode of Work : 3 days from Office
DSA(Collections, Hash maps, trees, Linkedlist and Arrays, etc), Core Oops concepts(Multithreading, Multi Processing, Polymorphism, Inheritance etc) Annotations in Spring and Spring boot, Java 8 Vital features, database Optimization, Microsevices and Rest API
- Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
- Implement and integrate APIs using Spring Framework and Apache CXF.
- Build microservices-based architecture for scalable and distributed systems.
- Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
- Optimize performance through efficient multithreading, memory management, and algorithm design.
- Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
- Work with RDBMS (preferably Sybase) for backend data integration.
- Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
- Work in Unix/Linux environments for deployment and troubleshooting.
Required Skills & Experience:
- 3– 7 years of strong hands-on experience in Core Java, Spring boot, microservices, data structures.
- Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
- Proven experience with Spring, CXF, and REST/SOAP web services.
- Solid understanding of microservices architecture and distributed systems.
- Experience working with Sybase or other relational databases.
- Expertise in multithreading, concurrency, and high-throughput server-side development.
- Exposure to capital markets, sales & trading platforms, or similar financial services applications.
- Good working knowledge of Unix/Linux environments.
- Experience in solution architecture and design documentation is a strong plus.
- Strong problem-solving skills, analytical thinking, and a proactive attitude.
- Excellent communication and interpersonal skills to work effectively with global teams.
Preferred Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
- Previous experience in investment banking, capital markets, or financial technology domains.
Java Developer with GCP
Skills : Java and Spring Boot, GCP, Cloud Storage, BigQuery, RESTful API,
EXP : SA(6-10 Years)
Loc : Bangalore, Mangalore, Chennai, Coimbatore, Pune, Mumbai, Kolkata
Np : Immediate to 60 Days.
Kindly share your updated resume via WA - 91five000260seven
Roles and Responsibilities;-
- Include managing Java/Java EE application development while providing expertise in the full software development lifecycle, from concept and design to testing.
- Designing, developing and delivering high-volume, low-latency applications for mission-critical systems
Framework required – spring boot, Hibernate
Skills - Should have knowledge of JPA, js, Ajax
Experience -2 yrs to 7yrs .
Must have good hands-on experience in spring-boot, hibernate, microservices
Salary- Good hike on current CTC
Location - Zirakpur (Mohali )
Notice Period - up to 1 months
interested candidates share your CVs.
About Rara Delivery
Not just a delivery company…
RaRa Delivery is revolutionising instant delivery for e-commerce in Indonesia through data driven logistics.
RaRa Delivery is making instant and same-day deliveries scalable and cost-effective by leveraging a differentiated operating model and real-time optimisation technology. RaRa makes it possible for anyone, anywhere to get same day delivery in Indonesia. While others are focusing on ‘one-to-one’ deliveries, the company has developed proprietary, real-time batching tech to do ‘many-to-many’ deliveries within a few hours.. RaRa is already in partnership with some of the top eCommerce players in Indonesia like Blibli, Sayurbox, Kopi Kenangan and many more.
We are a distributed team with the company headquartered in Singapore 🇸🇬 , core operations in Indonesia 🇮🇩 and technology team based out of India 🇮🇳
Future of eCommerce Logistics.
- Data driven logistics company that is bringing in same day delivery revolution in Indonesia 🇮🇩
- Revolutionising delivery as an experience
- Empowering D2C Sellers with logistics as the core technology
About the Role
- 5 - 7 years Experience with the following technologies: Core Java/J2EE, Spring Boot, Creating API, Hibernate, JDBC, SQL/PLSQL, messaging architecture, REST/Web services, Linux
- Expertise in application, data and infrastructure architecture disciplines
- Advanced knowledge of architecture, design and business processes
- 4+ years of Java, J2EE development experience
- Strong technical development experience in effectively writing code, performing code reviews, and implementing best practices on configuration management and code refactoring
- Experience in working with vendor applications
- Experience in making optimized queries to MySQL database
- Proven problem solving and analytical skills
- A delivery-focused approach to work and the ability to work without direction
- Experience in Agile development techniques, including Scrum
- Experience implementing and/or using Git
- Ability to work collaboratively in teams and develop meaningful relationships to achieve common goals
- Bachelor degree in Computer Science or related discipline preferred
Looking for someone with 6+ years of exp and has worked on scalable systems and has good understanding of architecting systems with Redis, Elasticsearch and Kafka.
We are looking for a Senior Java Developer with good product development experience to join our founding engineering team.
👋 Hi! We are Threado
At Threado, we are building the future of community experience for businesses. Community-led growth is the most sustainable way to build businesses and we want to help drive this shift in the years to come. We are a seed stage product-led startup building the best-in-class community management platform for community professionals across the globe.
Threado was founded by Pramod Rao and Abhishek Nalin. Prior to Threado, Pramod was a founding team member and VP, Marketing at Zomato. He comes with a decade of experience in community building and user growth. Abhishek was the Director of Engineering at BillTrim and CTO at Smart Audit. He has years of experience in engineering design, architecture and building SaaS products.
⛰Welcome to ground zero!
"The journey of a thousand miles begins with one step." - Lao Tzu
You'll be joining us at the early stages of our journey. We are a small, fun and passionate team with an ambition to build the next generation of community infrastructure. If you love technology, enabling engaging social experiences, and are interested in building a product for the global market, you are one of us. Join us in the journey ahead!
🛠What can you expect at Threado?
You'll be involved in:
- Shaping the APIs integrations marketplace and designing and developing solutions on top of APIs.
- Taking a business problem, coming up with solutions, leading the technical design and implementation of the solution.
- Writing clean, maintainable and reusable code along with test cases.
- Mentoring junior developers.
🥷 We are looking for:
- Proficient with Java. Good understanding of Spring framework.
- Good understanding of SQL (MySQL or PostgreSQL). Experience with No-SQL (Cassandra, MongoDB, DynamoDB) will be a plus.
- Experience in server-side services using Redis, Elasticsearch, Kafka will be a plus. Working experience of Microservices would be a plus.
- Experience with AWS stack. Experience with CI/CD processes.
- Good written and verbal communication skills with the ability to present complex technical information clearly and concisely to a variety of audiences.
- Bachelor's Degree in Computer Science or related field with 4+ years of experience in software development.
💭 Parting thoughts on why Threado:
- Opportunity to join a small passionate team in the early days of building a global SaaS business out of India
- Take the path less traveled, have fun building and enjoy the learning journey
Are you looking for a Senior Backend Engineer role in a high growth startup? Are you eager to learn and make a difference at work every day? If so, then read on.
At PlumQR, we work on revolutionizing the Food & Beverage industry with our cloud-based tech products. Millions of businesses across the world are switching for better, smarter & more hygienic products to reinvent their businesses. If you have what it takes to innovate & lead, we have just the right opportunity for you.
Requirements
- Minimum 3 years as a Senior Backend Engineer
- Strong software development experience in a SaaS product company
- Significant experience with NodeJS, React.js, React Native, MySQL, MongoDB, Java
- Cloud computing services (e.g. Google Cloud Platform)
- Strong problem-solving skills
- Ability to explain technical details to people inside the company
Location – Bangalore/Hyderabad
Job Roles & Responsibilities:
Full Stack Sr. Java Developer with competencies focused on :
• Experience in the Java 8 , Spring boot , Struct etc.
• Good Experience with AWS Cloud Platform and its related services.
• CI/CD deployments using GitLab and Docker Containers etc.
Here are few responsibilities on the job:
• Gather & analyse requirements , design, develop , test and perform root cause analysis.
• Actively participate in technical brainstorming session for solution building
• Provide technical guidance to team members if needed.
• Develop and Support Application Integration requirements etc.
• Participate in code reviews and design sessions etc.
Must Haves skillset : Java 8, Spring Boot , Microservices and AWS ; Should have worked with Offshore , mentor and coach them to deliver.
Secondary / Nice To Have : Java Structs Framework , Angular JS, Aurora Postgres.
Requirements:
- 3 -7 years of software development experience.
- Good grasp on programming fundamentals including OOP, Design Patterns and Data Structures.
- Excellent analytical, logical and problem-solving skills.
- Software Development Engineer.
- Good understanding of complexities involved in designing/developing large scale systems.
- Strong system design skills.
- Experience in technologies like Elasticsearch, Redis, Kafka etc.
- Good knowledge of relational and NoSQL databases.
- Familiarity with common machine learning algorithms. In-depth knowledge is a plus.
- Experience of working with big data technologies like Hadoop, Spark, Hive is a big plus.
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