
Java Developer – Job Description
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. - 5-8 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:
Wissen Technology is a niche global consulting and solutions company that brings unparalleled domain expertise in Banking and Finance, Telecom and Startups. Wissen Technology is a part of Wissen Group and was established in the year 2015. Wissen has offices in the US, India, UK, Australia, Mexico, and Canada, with best-in-class infrastructure and development facilities. Wissen has successfully delivered projects worth $1 Billion for more than 25 of the Fortune 500 companies. The Wissen Group overall includes more than 4000 highly skilled professionals.
Wissen Technology provides exceptional value in mission critical projects for its clients, through thought leadership, ownership, and assured on-time deliveries that are always ‘first time right’.
Our team consists of 1200+ 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 offers 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.
We have been certified as a Great Place to Work® for two consecutive years (2020-2022) and voted as the Top 20 AI/ML vendor by CIO Insider.

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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Must Have Skills (Working Experience Needed):
Preferably a Graduate/Postgraduate from a Tier 1/2 college/university.
Core Java
Hibernate and any relational database – MySQL, Postgres, Oracle.
Redis Caching
Spring
Maven, Git
Ability to thrive in a dynamic environment with changing priorities
Spring
Experience with OO design, design patterns & deep understanding of JVM internals
(multithreading, garbage collection etc.)
Problem solver
Search solutions like ES, Solr
NoSQL data store like Cassandra/Mongo
Kafka
Microservices Architecture, Web services, API development, Enterprise integration
Experience on scalable and distributed systems
Good to have:
Distributed Cache
Performance testing tools - Jmeter, Locust, Gatling
Ecommerce background
Location: Faridabad (WORK FROM OFFICE)
Qualification & Eligibility:
graduate
CGPA no bar
Working Experience:
1-5 years
Roles & Responsibilities:
Writing clean, fast PHP code/program to a high standard, in a timely and scalable way.
Create & Implement an array of Web-based products using PHP, MySQL, Ajax, and JavaScript.
Develop back-end components, connect the application with other web services and assist front-end developers by ensuring their work integrates with the application.
Strong core PHP hands-on experience.
Strong Expertise in CodeIgniter Framework.
Good Knowledge of PHP8, MySQL/PostgreSQL, Bootstrap, jQuery, Javascript, HTML5,CSS3, JSON.
Good knowledge of Database Designing.
salary no bar for deserving candidates
Qualifications
• 4+ years of professional software development experience
• 4+ years of object-oriented Java / J2EE development
• Full SDLC experience (requirements gathering, architecture, development, QA, etc.…)
• Experience with Spring (MVC, IOP/DI, REST, Security) & Hibernate/Spring
• Experience with SOAP / REST web services
• Knowledge of SQL
• Knowledge of No SQL concepts, understanding of Solr, Redis and Mongo DB is desirable
• Understanding concepts of CDN & Content Management
• Must have worked on any one messaging solutions
• Bonus Points for micro service design and development experience
• Bonus points for any mobile development experience
• Used Agile methodology
• Experience leading or working with cross geography teams
• Bonus Points for experience working on Unix, shell scripting & Build Systems
• Experience in performance optimization is an added advantage
POSITION
• You will be actively involved during the entire technology development lifecycle. Responsibilities will include all aspects from design, coding, testing, customer feedback cycle changes and support.
• Primary role in software development with object-oriented Java
• The customized solutions that you will be architecting and developing will also require knowledge and experience with spring / Hibernate, SOAP / REST, and SQL.
• Ability to learn new technologies quickly and willingness to read and digest large existing source code and take ownership on complex component or subsystem to drive improvements and re-architecture
• Work with a team of amazing developers and designers involved in the design and development of global platforms
• Invent and prototype new features, build, test and ship them to customers as SaaS, cloud based or hosted product platforms
• Drive the implementation of new technologies which improve our ability to build great customers products. • Participate in a fun, open learning environment with great benefits and smart talented folks that represent among the best globally.
QUALIFICATION
• A Bachelor’s degree in Computer Science (or equivalent experience)
• M-Tech or advanced degree a plus
• Hackathon participation and accolades are a plus
Job Role
Quinbay
Quinbay is an upstart digital platforms and products company with a core focus on disrupting traditional markets and business models with the strength of our innovation driven digital value. We harness the power of our open innovation culture, our unique talent selection approach, the skills and expertise of our people across various industries, domains and technologies and a unique blend of analytics driven strategies for creating future digital platforms.
OPPORTUNITIES: Pursue opportunities in and learning/growth interests in Mobile, product development, product management, Analytics, Machine learning, UI/UX design, DevOps, Automation, Drones, bots and Java / open-source development frameworks and methodologies – on a variety of domains like eCommerce, Logistics and fulfilment, Ecommerce and a whole lot other.
Opportunities to be part of fastest growing eCommerce platforms in exciting application areas like core commerce, supply chain, logistics and fulfilment, merchant, mobile commerce, analytics, automation and a lot more for the global markets positioned for Asia.
Role: Backend Engineer
About Saras Analytics:
-
You are a great teammate with proven capabilities working on SaaS product and a passion for writing exception code.
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You are hungry for an opportunity to join a start-up and become a member of core platform team driving the company forward.
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Has good analytical and problem-solving skills and is able to break down a solution into smaller units of work and produce a solution roadmap.
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Has written high quality, well-tested shared components that can be leveraged by multiple systems. Can step into specific projects to supply additional management, coding and engineering capacity as needed.
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Has expert knowledge in distributes systems and high-volume transactions.
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Understand the product mission, goals, and tasks and execute with the team to achieve them.
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Understand the design and architecture and build modules in accordance with it or recommend and make the necessary changes that adds more stability to our product.
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Improve the quality of our front-end code and our overall front-end user experience.
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Takes requirements (business features, technical debts and internal enhancements) and designs resilient solutions.
Requirements
- 1+ years of hands-on experience in Java/Kotlin.
- Demonstrable understanding of Design Patterns.
- Experience in Context & Dependency Injection or Spring framework, Hibernate/JPA.
- Experience in RESTful/SOAP web services in integrating with 3rd Party API Integrations.
- Proficient in SQL (PostgreSQL) and NoSQL databases.
- Experience in multi-threading and concurrency is a plus Experience in JMS messaging using Apache Zookeeper and Kafka is a plus.
- Experience in Angular is a plus. Knowledge of modern CI/CD environments: Git, Gradle, GitLab Familiarity with tools like Postman, SOAPUI, IntelliJ
- Willing to learn our tech-stack (Kotlin | CDI | Angular).
- Develop API integrations using RESTful/SOAP web services.
- Significant technical academic course work or equivalent work experience
- Excellent communication and interpersonal skills.
- Knowledge on cloud infrastructure is a plus.
Location: Bangalore
Function: Software Engineering → Backend Development
Requirements:
- 4 + years of experience in Java, Spring, Hibernate, Springboot/microservices
- Good understanding and practical experience in Spring framework ( Spring boot,JPA,MVC)
- Extensively worked on microservices based design architecture
- Strong command on Data Structures, algorithms & Problem Solving
- Very strong on Oops Java Basic,
- Good on Multithreading Concepts
- Should have good exposure on Messaging platform (Kafka,JMS, AMQ etc,)
About Bigbasket.com
At bigbasket.com we believe in being smart, quick and efficient, making your life as leisurely as possible. We understand that in this fast-paced world, time is always of the essence and hence want to make your grocery shopping easy and convenient so that no time is wasted in this process. So, no more hassle of going down to the grocery store and long queues for billing etc. You can browse through our varied range of products at bigbasket.com, order them and get them to be delivered at your own convenient time slot.
We specially hand pick each and every product for you, putting it through a safety packaging process and finding your home, no matter how bad the wind is or how cold the weather is. Our ''No questions asked refund' and ''10% off for a delayed delivery'' policy makes us a customer friendly online food and grocery store. Just follow three simple steps and get your order delivered - simply Browse, Add to cart & Choose delivery slot!
Why Explore a Career at Bigbasket.com
Bigbasket engineering thrives on out of the box thinking and relentless pursuit of excellence. We are looking for senior developers who share our passion for building world class software. If you are excited about the prospect of changing the way India shops for groceries and being a pioneer -- then this a great home for you. Not to mention the thrill of building products that millions use on a daily basis and using cutting edge technology to make the products customers love.
While we are techies at heart -- we don't use technology for the sake of technology, but pride ourselves in solving customer problems in the most efficient and elegant ways. Do the customers really care about efficient implementation of Levenshtein Distance? Well no. But they really appreciate when their typos are pardoned and don't get in the way. Similarly customers don't give a damn that robots efficiently segregate their packets, but they do care about their orders delivered in a timely way.
If you enjoy Coding, Testing and love solving business problems, then we'd like to meet you.
Role/ Responsibilities
- Design APIs, DB, Queues, monitoring for micro services.
- Writing, deploying and managing micro services.
- Migrate existing components into distributed micro service architecture.
- AWS Cloud / Google Cloud Platform (Manage Infrastructure).
- API integration with 3rd parties.
- Unit test cases, automation.
- Database optimisation.
- Design of highly concurrent backend architecture.
- Handling high traffic data.
Experience required:
- Sound fundamentails in software design.
- Must have worked on distributed and micro service architecture.
- Sound fundamentals on scale/ performance/ memory optimisation.
- Sound fundamentals of authentication, authorization, payment processes, data security.
- Must have experience in Spring / Spring boot.
- Good to have experience in Kafka / JMS / RabbitMQ / AWS Elastic queue.
- Good to have experience in Junit / mockito unit test cases.
- Good to have knowledge in Mysql (or any RDBMS).







