
Wissen Technology is now hiring for a Java Developer
Location : Bangalore (The candidate must be based in Bangalore, as an in-person interview is a mandatory part of the selection process)
Notice Period: Immediate to Serving Notice Period & Up to 30 Days max
Skills: Hands-on experience in Core Java, Spring Boot, Microservices, Algorithms, Data Structure and SQL
Note: Bachelor's or Master's degree from a top-tier college or university is must.
Key Responsibilities:
- Design, develop, and test low-latency, high-volume client-facing applications.
- Develop and maintain enterprise-scale, n-tier applications for the investment banking/capital markets domain.
- Implement microservices-based solutions using Spring Boot and other modern frameworks.
- Work extensively with Core Java 5.0 and above, Spring Framework, and CXF
- Optimize applications for multi-threading and high-performance server-side development
- Collaborate with cross-functional teams to design and implement scalable, secure, and efficient solutions
- Work with RDBMS (preferably Sybase) to handle large-scale data processing.
- Develop and maintain applications on Unix/Linux environments
- Utilize enterprise application design patterns to build robust and scalable solutions.
- Troubleshoot and resolve complex technical issues while ensuring application stability and performance.
Required Skills & Experience:
- 1 to 6 years of hands-on experience in Java development
- Strong knowledge of microservices architecture and cloud-based deployment.
- Expertise in Spring Framework, Spring Boot, and CXF
- Experience in developing and optimizing applications for high-volume, multi-threaded environments
- Solid understanding of financial domain applications, sales, and trading platforms
- Proficiency in working with relational databases (Sybase preferred)
- Familiarity with Unix/Linux environments and shell scripting.
- Strong analytical, problem-solving, and communication skills.
- Ability to articulate and present design ideas effectively.
- Education: Bachelor's or Master's degree from a top-tier college or university is must.

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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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
Job Role
Full Stack Developer (SDE-2)
Job Description
We are looking for engineers who are passionate about solving complex problems and building next generation products for a global customer base & scale.
Job Responsibilities
- Design, build, and maintain high performance, clean and reusable code.
- On Calls Monitoring the performance of live applications and work on optimising them at the code level
- Clearly understand the requirements, designs and convert them into high quality code.
- Identifying and resolving the bugs and enhancing application performance. Performing unit testing on code
- Collaborating with cross-functional teams to define and design new features
- Staying up to date with new mobile technology trends, applications, and protocols
- Develop a highly scalable and secure cloud-based system for collecting health data and performing analytics.
- Document software and features for internal and external engineering teams
- Collaborate with other groups (QC/testing, algorithm developers, etc.)
Skills/ Experience
- 3 to 8 years of experience in developing ecommerce B2B/B2C products/platforms.
- Engineering or Equivalent Bachelor’s degree preferable from top engineering colleges.
- Expertise in Data Structure, Algorithms & System Design
- Expertise In Java/JavaEE/Spring/SpringBoot/HTML/CSS/Angular/React/Vue JS
- Expertise In Database RDBMS/NoSQL (Solr/REDIS/MongoDB/RabbitMQ/Kafka etc)
- Good understanding In GCP/AWS/DevOps/SRE/On-Calls.
- Good understanding of AI/ML/Data Science Algorithms.
- Able to work and thrive in a fast-paced, rapidly changing work environment
- Should have excellent communication skills, with an ability to convey ideas clearly & precisely
- Must have leadership skills & a good team player
- Must be pro-active & a self-starter
Job Responsibilities:
* Design, build, and maintain efficient, reusable, and reliable Java code
* Ensure the best possible performance, quality, and responsiveness of the applications
* Identify bottlenecks and bugs, and devise solutions to these problems
* Help maintain code quality, organization, and automatization
* Prepare the technical design of complex technology components
Mandatory Skills:
* Proficient in Java (JDK 1.7) or above JDK 8 preferable, with a good knowledge of its ecosystems with a knack for writing clean, readable Java code, writing reusable Java libraries along with knowledge of concurrency patterns in Java
* Solid understanding of object-oriented programming along with various design and architectural patterns
* Hands on experience with Spring, Spring Boot, JUnit
* Familiarity with concepts of MVC, Microservices, RESTful

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Responsibilities
● Design, develop, test, deploy and maintain software
● Delivering high quality and well-structured code
● Manage individual project priorities and deadlines
● Participate in enhancing tools and processes
● Participate in production observance and technical incident management
● Ability to quickly learn and adapt to keep up in a fast-paced environment
Must haves
● Strong data structure concepts
● Great problem-solving skills
● Strong experience in Python
● Experience in Microservices and Docker
● Exposure to RDBMS and/or NoSQL databases
● Working knowledge of MongoDB/DynamoDB
· Lead from the front, when it comes to delivering high quality work products. Serve as a mentor to the team members
· Create and define performance metrics. Ideate, innovate and hack through the existing systems to improve performance.
· Perform code reviews, set coding practices and guidelines within the team.
· Make sense of the product specs, be nimble in getting the issues resolved. Be a thought leader. · Solid understanding and knowledge of Java/C/C++. You should understand the concepts of multithreading, I/O, messaging, instrumentation etc and their implementation in Java/Any other Object-Oriented Language.
· Proficiency in the implementation of algorithms and the use of advanced data structures to solve problems in computing. A solid foundation in the principles of computer science is desired.
· Ability to write clean, modular, and loosely coupled code by the use of design patterns.
· He/She should be able to break down and architect complex software systems. For example- Build



