
JOB DESCRIPTION
Experience: 3-8 years
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. - 3-8 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.
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Job Description:
As per our conversation, please find below the job description for your review.
· Strong written/verbal communication skills
· Minimum 5-14 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin 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.
· While you may already know about Wissen and the company history, here is a quick rundown for you.
Title: Senior Java Developer
Top Skills: Java , Spring boot, Microservices, MYSQL, PL/SQL, NoSQL
Work Mode:- Full time
Location:- Teynampet, Chennai, Tamil Nadu
Employer: Innovating digital experiences with cutting-edge technology, design, and user-focused solutions for global brands
We are seeking a highly skilled and experienced Sr. Java Developer with a proven track record in
delivering high-quality applications. If you're passionate about building modern, scalable, and
robust software solutions, we want to hear from you!
Required Qualifications
7+ years of software development experience with a focus on delivering robust and
efficient solutions.
Strong proficiency in Java and its latest versions and expertise in developing
Java-based applications.
Hands-on experience with relational databases and proficiency in writing complex SQL
queries.
Familiarity with Enterprise Java (J2EE / Java EE / Spring) application architectures.
Demonstrated history of delivering modern, high-cadence applications using:
Agile methodologies and test-driven development (TDD).
CI/CD pipelines for streamlined deployment and updates.
Git version control for collaborative development.
Job Description
Java Developer Transformational Product Experiences .
Preferred Skills
Knowledge of microservices architectures and Domain-Driven Design (DDD).
Working knowledge of Python and JavaScript/Node.js.
Experience with Object-Relational Mappers (ORMs) such as Hibernate or JPA.
Strong Problem Solving skills
Bonus Skills
Exposure to emerging Generative AI technologies and tools like OpenAI APIs and GPT
large language models (LLMs).
Practical experience with MongoDB or other NoSQL, MySQL databases.
We are seeking a Full Stack Engineer to join the Engineering team based out of Gurgaon. We provide users with the opportunity to invest in gold, government bonds, crypto currencies and other investment products to grow their savings.
We are constantly looking to improve the investment experience and educate users about
growth opportunities. In each release, we aim to make pluang more useful for our users and add features to ensure state of the art security & reliability. Our users trust us with their hard-earned money and we take it very seriously. We consistently strive to deliver top-quality.
You will be working with a team of highly-motivated, young & dynamic teams of engineers & reporting to the Engineering Lead.
Position Responsibilities
● Be honest, reliable & consistent
● Write efficient & clean code
● Have a strong sense of ownership
● Be a part of development & maintenance of Pluang web app, Operations dashboard and other 3rd party products we own
● Contribute to improving the quality of engineering process & engineering culture
Position Requirements
- Strong in data structure and algorithms
- Experience in Java, Express, API Design & DOM
- Understanding of component based design or other design patterns
- Experience with unit testing, integration testing & continuous integration
- RDBMS and NoSQL databases preferably PostgreSQL, MongoDB
- Good to have passion for investing
We Offer
- Attractive compensation package - competitive salary, flexible bonus scheme.
- We are always looking for ways to promote and inspire innovation.
- Individual career path - management and technical career growth, enhanced by learning and development program, regular performance assessment, teams of multi-national IT professionals.
- Healthy work environment - company-sponsored medical program, food, and beverage program, open communication.
- Friendly policies to support Work-life balance, team building, and celebrations.
We are looking for a Back-end developer to join our engineering team and help us develop and maintain various software products.
Experience: 0-2 years
Prerequisites:
- In-depth understanding of web development process
- Familiarity with Java and Spring frameworks preferably Spring Boot
- Familiarity with Node JS
- Basic understanding of front-end technologies, such as JavaScript, HTML, CSS.
- Experience with working on REST API (GET, POST, PUT, PATCH, DELETE, UPDATE)
Job Description
The duties and responsibilities of a selected applicant would include:
- Participate in the entire application lifecycle, focusing on coding and debugging.
- Design and implement low-latency, high-availability, and performance applications.
- Develop back-end components to improve responsiveness and overall performance
- Collaborate with Front-end developers to integrate user-facing elements with server-side logic
- Perform UI tests to optimize performance
- Test and debug programs
- Implement security and data protection solutions
If you have the desire to be a part of an exciting, challenging,+ and rapidly-growing company, and create the finest apps in a flourishing industry, please send in your applications on:
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.
- Ability to understand business requirements and take ownership of the work.
- Exhibit passion and enthusiasm for building and maintaining large scale platforms.
Responsibilities
- You will design and develop large scale distributed services
- You will analyse and improve the efficiency, scalability, stability, and security of the platform as a whole.
- You will act as the primary owner of one or more components while driving innovation in your area of ownership
- You will proactively research & evaluate new tools, technologies, and techniques to improve the value of the system.
- You will work with engineering leadership in solving and architecting solutions for challenging or complex development issues.
- You will work independently and handle dependencies with very minimal oversight
- You will take initiatives in developing and maintaining integrations of best practices within the back-end.
- You will help identify systemic issues, performance bottlenecks and work on design/architect improvements.
Requirements
- You have 1 - 9 years of experience in software development.
- You have designed and scaled up the system.
- You have a strong understanding of Data Structures and Algorithms.
- You are an incessant problem solver and tougher the problem gets, more fun you have.
- You have strong command in any one or more of the following languages: Python and Django
- You understand the business impact of your decisions.
Good To Have
- You have prior experience in fintech companies
Traits We Are Looking For
- Experience in a specific tech stack doesn't matter for us.
- The general engineering mindset and aptitude is what matters more.
- Technically strong and curious.
- Should have a hacker mindset and should love exploring new technologies.
Desired Skills and Experience
Java, Python, Data Structures, Algorithms
Job Title : Sr Java Developer
Job Description
We are seeking a well experienced full stack Java developer for our product. As a member of the software engineering division, you will assist in defining and developing software for tasks associated with the developing, debugging or designing of software applications or operating systems. Provide technical leadership to other software developers. Specify, design and implement modest changes to existing software architecture to meet changing needs.
Roles and responsibilities?
- Design, develop and implement software programming applications.
- Build highly scalable product.
- Participate in gathering business requirements and assessing existing architectures and resources.
- Work with application development team in delivering the project and deliverable within time and with good quality.
- Perform unit testing, oversee quality assurance of applications through system testing.
- Establishes processes for performance and conducts code review.
- Manage and mentor junior members of the team on good coding practice
Skills and experiences would I bring into this role?
- E/ B.Tech / MCA in computer science or a related field
- 4+ Years of Java/J2EE work experience.
- Object-Oriented design, patterns, algorithms, data structures
- Well knowledge about Spring Hibernate framework.
- Exposure to React JS / Angular JS.
- Experience with SQL/No-SQL database technologies – MySQL, Mongo dB, Cassandra, Redis, PostgreSQL, etc.
- Experience in Web services (REST or SOAP)
- End to end web development experience is highly preferred
- Good understanding of unit testing methodologies.
- Good analytical and communication skills
- Startup work culture mindset.
You will be expected to design, develop and maintain large-scale complex backend web
applications.
You will be expected to rapidly learn and apply relevant new technologies.
You will be having a high level of interaction with business and product stakeholders.
You will be working on the entire web application stack, which includes:
o Web server hosting
o RESTful communication
o Message brokering
o Backend application layer, which includes the service and domain layers
o Data layer for persistence or caching
You will be participating in an agile software development cycle, which includes:
o Design
o Development
o Code Review
o Unit and Integration Testing
o Release
As a senior developer, you will be expected to contribute to design, code review, refactoring, and
project management.
You will be exposed to the following technologies:
o Web application frameworks: Ruby on Rails, Node.js, Java Play, Vert.x, AIOHTTP, AWS
Lambda
o Languages: Ruby, Java, Kotlin, Javascript, Python
o Data stores: PostgreSQL, Aerospike, Redis, Amazon Redshift
o Communication: HTTP, Amazon SQS, Sidekiq, Amazon SNS
o Server Management: Amazon ECS, Docker
Product Overview
You will be contributing to products concerning both customers and partner drivers.
Product sectors include:
o Growth: You’ll build tools to help boost user growth on the platform including our industry
best driver on-boarding, training and certification system, referral system, and lead
management models.
o Lifecycle Management: Build tools to help users engage with the platform better, which
includes rewards and recognition module, subscription service, account management tools,
partner and customer wallets and payout modules, and churn detection systems among
others.
o Transaction Experience: You’ll help deliver the most delightful booking experience to our
customers and drivers. As part of this team, you’ll be responsible for our core booking
system, pricing and payment systems, location tracking and filtering services, fraud
prevention systems, and in-app ticketing and support among others.
o Fulfilment: As part of the fulfilment team, you’ll work on systems which ensure high degree
of ride fulfilment on the platform. Tools including allocation methodologies and system,
dynamic pricing, dynamic partner routing, and partner re-activation tools among others.
o Enterprise Solutions: You’ll help Porter’s enterprise customers achieve delivery excellence.
You’ll build tools for contract management, fleet management, fleet and route optimisation
tools, alerting and monitoring tools, and analytics suite among others.









