2. Demonstrable abilities to optimize code. Strong analytical skills for effective problem solving
3. Experience in Java Spring, Hibernate, Github. Spring boot optional

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JOB DESCRIPTION
Experience: 5+ years
Location: Bangalore
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+ 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.
- Good experience in Javabackend/J2EE, Eclipse, Javascript, XML, Data Structures, Database
- Should have good experience working in Springboot.
- Good experience in JSON / RESTful API / Web Services.
- Experience with Design Patterns.
- Experience in AWS and Queuing systems is an advantage
- Basic estimation experience
- Self starter and quick learner
- Should be able to work in a growing environment that is very dynamic and challenging
- Good oral and written communication skills
- Highly self motivated and directed
- Ability to work without a lot of supervision
- Experience in working in a team-oriented and collaborative environment.

Our company is seeking to hire a skilled software developer to help with the development of our AI/ML platform.
Your duties will primarily revolve around building Platform by writing code in Scala, as well as modifying platform
to fix errors, work on distributed computing, adapt it to new cloud services, improve its performance, or upgrade
interfaces. To be successful in this role, you will need extensive knowledge of programming languages and the
software development life-cycle.
Responsibilities:
Analyze, design develop, troubleshoot and debug Platform
Writes code and guides other team membersfor best practices and performs testing and debugging of
applications.
Specify, design and implementminor changes to existing software architecture. Build highly complex
enhancements and resolve complex bugs. Build and execute unit tests and unit plans.
Duties and tasks are varied and complex, needing independent judgment. Fully competent in own area of
expertise
Experience:
The candidate should have about 2+ years of experience with design and development in Java/Scala. Experience in
algorithm, Distributed System, Data-structure, database and architectures of distributed System is mandatory.
Required Skills:
1. In-depth knowledge of Hadoop, Spark architecture and its componentssuch as HDFS, YARN and executor, cores and memory param
2. Knowledge of Scala/Java.
3. Extensive experience in developing spark job. Should possess good Oops knowledge and be aware of
enterprise application design patterns.
4. Good knowledge of Unix/Linux.
5. Experience working on large-scale software projects
6. Keep an eye out for technological trends, open-source projects that can be used.
7. Knows common programming languages Frameworks

As a Backend Developer, you will work on the latest and greatest in high performance
web development, data science, community development and mobile technologies.
What you will do:
- Playing a part in defining software architectures – collaborate with leads to explore existing systems, determine areas of complexity, uncover potential risks to successful implementation, and learn the applications’ capabilities.
- Implementing solutions as per technical design for new features and changes to existing components.
- Participating in the full development lifecycle of new functionality and enhancements to existing applications.
- Committing to producing high quality, highly performing and robust software within agreed time estimates and to agreed quality standards.
- Managing all stakeholder expectations.
- Working alongside global teams.
- Taking responsibility for successful delivery.
- Being able to work in a fast paced Agile/SCRUM environment.
- Following coding standards, building appropriate unit tests, integrating tests and deployment scripts.
- Assisting in defining software architectures – Collaborating with leads to explore existing systems, determining areas of opportunities.
- Translating designs and style guides provided by the Design team into functional user interfaces, ensuring cross browser compatibility and performance.
- Contributing to continual improvement by suggesting improvements to user interface, software architecture or new technologies.
What you need to have:
- Ability to fluently code in Java Spring or similar J2EE frameworks.
- Solid knowledge of application deployment in AWS cloud, Kubernetes, Docker.
- Ability to code in ReactJS or similar Javascript frameworks.
- Proven experience with responsive design, fullstack web development, consumption/creation of RESTful APIs.
- Bachelor’s or Master’s degree in Computer Science or related engineering field w/experience in software development.
- 3-7 years of experience developing customer facing web applications.
- 3-7 years of experience in Java Spring or similar J2EE frameworks.
- 3-7 years of experience in front-end development using JavaScript, knowledge of various JavaScript libraries and micro frameworks (React, Angular, Backbone), HTML and CSS.
- 3-7 years of experience coding using object-oriented and aspect-oriented programming, architecture and design patterns.
- Strong understanding of RESTful API principles.
- Strong understanding of security best practices.
- Strong experience with unit testing and end-to-end testing.
- Knowledge of : Programming languages Java 8, J2EE, Node.js, Design Patterns, HTML, CSS, JavaScript Web and cloud Technologies RESTful web services, Cloud functions, Amazon Web Services, SEO/ Sitemap, Serverless
- architecture, JSON Database Management MySQL, PostgreSQL, Elasticsearch, Firebase realtime database, Hibernate, Liquibase, Percona, Redis, Memcached Frameworks, Libraries and Tools Dropwizard, Jersey,
- Expressjs, RabbitMQ Web / Application Server Nginx Other Tools and Utilities Eclipse, VS Code, Postman, Git, Gradle, Maven, Imagemagick, Jmeter Operating Systems Linux, Windows.
- Experience in implementing Material Design UI and UX for customer centric frontend.
Job Description
We are looking for Advance Java developers who want to help us design cutting edge scalable products to meet our rapidly growing business. We are building out a team and looking for multiple levels but you should have at least 4-6 years of programming experience.
Key Responsibilities
Build high availability and extreme reliable high volume transactional systems.
Deliver reliable solutions that handle massive data and high traffic.
Complete ownership of problem-free execution of owned modules and solutions.
Focus on code optimization, code quality, maintainability etc.
Team Handling.
Skills required
MS or BS/B.Tech / MCA in computer science.
Hands-on experience in Core J2EE or Core Java (collection, multithreading).
Proficiency in Struts 2.0 & Springs, Hibernate, JDBC, JSP, Servlets , JMS / Radius, Redis , Microservices ,
Strong working knowledge of Databases – MySQL, OS - Linux.
Experience and knowledge of open source tools & frameworks, broader cutting edge technologies around server side development.
Excellent data structure & algorithm and problem solving skills.
Customer-focused, react well to changes, work with teams and able to multi-task.
Must be a proven performer and team player that enjoy challenging assignments in a high-energy, fast growing and start-up workplace.
Must be a self-starter who can work well with minimal guidance and in fluid environment.
Note: Must have worked on Payment Gateway Development.
Must be willing to work in a startup fast paced environment.
Joining : Immediate
- Bachelor's degree in Computer Science or a related field with 2-5 years hands-on experience with Java based open source tech stack
- Expertise in Core Java, Data Structures, J2EE with proven expertise in Spring MVC, Spring boot, Microservices architecture, Web Services (Rest) in distributed systems
- Practical experience with MySQL and /or NoSQL databases like Couchbase, DynamoDB, Cassandra
- Practical experience with Caching frameworks Memcached/Redis, Message Queues (JMS, RabbitMQ)
- Practical hands-on experience in JavaScript UI preferred
- Experience in building high performance, high availability REST APIs and REST clients
- Expertise with log file analysis using one or more of ELK, or Splunk
- Prior experience with CI/CD, Container architecture - Docker/Jenkins and build scripts Maven/Ant
- Prior experience in transformation to cloud platforms is preferred
- Experience with Kafka is a definite plus
- Experience with building analytics pipeline and analytics DB is a plus
- Strong practical experience in applying design patterns, multithreading concepts to solve complex problems, strong problem solving skills

Core Responsibilities:
- Design and build solutions for complex business workflows
- Understanding the user persona and deliver a slick experience
- Take end to end ownership of components and be responsible for the subsystems that you work on from
- design, code, testing, integration, deployment, enhancements, etc.
- Write high-quality code and taking responsibility for their task
- Solve performance bottlenecks
- Mentor junior engineers
- Deliver with quality, on-time in a fast-paced start-up environment
Required Skills:
- Bachelor/Master's in computer science or relevant fields
- 4+ years of relevant experience
- Strong sense of ownership
- Excellent Java and object-oriented development skills
- Experience in building and scaling microservices
- Strong problem-solving skills, technical troubleshooting and diagnosing
- Expected to be a role model for young engineers, have a strong sense of code quality and enforce code
- quality within the team
- Strong knowledge in RDBMS and NOSQL technologies
- Experience in developing backends for enterprise systems like eCommerce / manufacturing / supply chain etc
- Excellent understanding of Debugging performance and optimization techniques
- Experience in Java, Mongo, MySQL, AWS technologies, ELK stack, Spring boot, Kafka
- Experience in developing any large scale Experience in cloud technologies
- Demonstrated ability to deliver in a fast-paced environment
Required Skill:
• Good hands-on experience with Java and JEE
• Good hands-on experience with Microservices
• Good experience in UI frameworks (HTML, Java Script, HTML5, JSP, Ajax)
• Good understanding of Spring, Spring boot, Spring Integration
• Good experience with service oriented architecture and REST, JSON, XML, SOAP
• Good experience with any Directory technology LDAP
• Good Experience with a relational database like Oracle
• Experience working with Agile Methodology
• Experience in using RTC, code quality tools, defect tracking tools
• Good experience with code reviews
• Excellent team player with good organizational, communicational, analytical and logical skills.
• Good understanding of the web browsers and web applications
Desired Skills:
• Good experience with Ping product like PingAccess and Ping Federate
• Apache Camel

- Strong experience in Java Development
- Deep expertise and hands-on experience with Web Applications
- Expertise in Java, Spring Boot is an added advantage.
- Experience in Microservices
- Hands-on design experience with Web Services (REST, SOAP, etc ..).
- Strong grasp of security principles.
Nice to Have
- Spring Zuul
- Kafka
- cryptography and certificates
Abilities:
- Developer with strong ability to develop web applications using Java
- Should be able to Code, design, and implement
- Maintain code integrity and organization

