
JD
· Minimum 4-18 Years of Core Java Programming with spring boot Framework,Design patterns 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, HashTable, 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
Location - Only Bangalore
Notice period - Immediate or Serving

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
Similar jobs
- Bachelor’s degree in computer science, Web Development, or a related field (or equivalent practical experience).
- Minimum of 4 to 8 years of professional experience in Java
development.
- Strong proficiency in Java and object-oriented programming.
- Minimum of 4 years of experience in building microservices with Spring Boot.
- Solid understanding of RESTful APIs and experience with API design and integration.
- Strong problem-solving skills and the ability to think critically.
We are looking for a Java Backend Developer to join our team. You will be responsible for developing and maintaining the server-side logic and databases of our applications, ensuring they run smoothly and efficiently.
Responsibilities:
- Write and maintain server-side code using Java.
- Develop and integrate APIs to support frontend functionality.
- Work with databases to store, retrieve, and manipulate data.
- Troubleshoot, debug, and optimize backend performance.
- Collaborate with frontend developers to integrate backend and frontend systems.
- Write unit tests to ensure code quality.
Required Skills:
- Strong experience with Java.
- Familiarity with Spring Boot or other Java frameworks.
- Knowledge of relational databases (e.g., MySQL, PostgreSQL).
- Understanding of REST APIs.
- Experience with version control systems (e.g., Git).
- Basic knowledge of unit testing (e.g., JUnit).
Preferred Skills:
- Familiarity with Microservices and cloud platforms.
- Experience with Docker and containerization.
Your Impact:
• Implements Digital Consumer experiences based on a foundation of SFCC (Salesforce commerce cloud) to meet expected quality standards
• Ensures functional requirements and high-level solution designs are understood and are translated into detailed technical design
• Implement proofs of concept to prove any new technologies, application flows or integration scenarios and identify customizations needed to SFCC platform for meeting client requirements
• Guides the performance tuning and scalability of the ecommerce solution
• Diagnose and solve technical problems during implementation and support phases
Your Skills & Experience:
• 4-8 Years with 2+ years of implementing commerce application on any eCommerce platform in last 3 years
• If you have not worked in eCommerce platform, we can still discuss with you if you are expert in Java/Net and understand REST/SOAP webservices.
• Demonstrate proficiency in build and release management using CI/CD strategies (leveraging tools like Jenkins and DevOps practices), implement Mocha/Chai unit and functional test cases in order to reduce costs while ensuring quality
. Contributes to designing, implementing and documenting the build release process as well as system configuration and deployment characteristics of the applications
• Participates in technical walkthroughs/ code reviews of other team members’ components, test plans and results and help them with gaps
• Collaborate with architect to define implementation processes and quality gates and standards
• Identifies risks and issues, and help monitor them
• Guides the development of reference and resource materials
• Mentors developers in improving their platform knowledge and development skills
• Communicate technical design to the developers and help/guide them in the implementation
• Participates in Agile sprints
Set Yourself Apart With:
• eCommerce platform certification
• Security considerations – OWASP, CSRF, reCAPTCHA etc. – Basic knowledge or experience
• Git Development workflow – Proficient
• Visual Studio Code IDE or Eclipse IDE - Proficient
• Knowledge on Agile methodology and desired tools like Jira, confluence etc.
• Scripting/development experience with Node.js, Mocha/Chai
• Experience working in any Salesforce cloud environment like SFMC, SFSC etc.
• Excellent written, verbal communication and articulation skills & Good team player
• Self-starter and self-learner with keen interest to grow
• Process orientation and the ability to define and setup processes
• Ability to provide necessary coaching to bring team members up to speed on the technology
• Ability to prioritize and manage multiple tasks
• Excellent and innovative approach to problem solving and finding solutions
• Flexible and proactive/self-motivated working style with excellent personal ownership of problem resolution
What You will do
● Create beautiful software experiences for our clients using design thinking, lean and agile methodology.
● Work on software products designed from scratch using the latest cutting edge technologies, platforms and languages such as JAVA, python, Javascript, GoLang and Scala.
● Work in a dynamic, collaborative, transparent, non-hierarchical culture.
● Work in collaborative, fast-paced and value-driven teams to build innovative customer experiences for our clients.
● Help to grow the next generation of developers and have a positive impact on the industry.
Basic Qualifications
● Experience: 4+ years.
● Hands-on development experience with a broad mix of languages such as JAVA, Python, Javascript etc.
● Server-side development experience mainly in JAVA, (Python and nodeJS can be considerable)
● UI development experience in ReactJS or AngularJS or PolymerJS or EmberJS or Jquery etc. are good to have.
● Passion for software engineering and follow the best coding concepts. ● Good to great problem solving and communication skills.
Nice to have Qualifications
● Product and customer-centric mindset.
● Great OO skills, including design patterns.
● Experience with devops, continuous integration & deployment.
● Exposure to big data technologies, Machine Learning and NLP will be a plus.
Benefits
● Competitive salary.
● Work from anywhere.
● Learning and gaining experience rapidly.
● Reimbursement for basic working set up at home.
● Insurance (including a top up insurance for COVID).
Location
Remote - work from anywhere
JD / Skills Sets
1. Good knowledge on Python
2. Good knowledge on My-Sql, mongodb
3. Design Pattern
4. OOPs
5. Automation
6. Web scraping
7. Redis queue
8. Basic idea of Finance Domain will be beneficial.
9. Git10. AWS (EC2, RDS, S3)
Key Responsibilities
- Back-end Implementation: Authorization, Authentication, Modular design
- Application Development: Documentation, code quality, Unit Testing, Optimization, Bug fixing.)
- Back-end Operations (build tools, deployment, speed: (app, tests, builds, deploys), monitoring errors/logs, and stability).
- Review the created data model & ask any necessary clarifying questions before starting on work
- Write API code to implement the action on visual elements.
- Develop Json Web Services and Web applications.
- Create prototypes and staging sites for review and feedback
- Optimize websites and applications to ensure fast loading speeds
- Maintain websites and implement any necessary additions or enhancements
- Identify and troubleshoot various website issues and coding problems
- Collaborate with members of the website team, including designers and front-end developers, to consistently improve functionality and user-friendliness of web applications
- Maintain updated knowledge of the development industry and any advancements in technology
- Meet tight deadlines as required
- Knowledge of the common application/web security and OWASP vulnerabilities.
- Knowledge of the encryption algorithms to protect sensitive information.
- Knowledge of PII, PCI, HIPPA, and GDPR compliance and how to implement.
- Understanding of security breaches of data-in-transit and data-at-rest and knowledge in implementation for both.
- Knowledge/Aware of finding the vulnerabilities of the third-party components/libraries used in the application and remediating vulnerabilities.
Technical Skills: Java,Spring boot, Rest API, Json, JPA and/or Hibernate, SQL, AWSDatabase : MySQL, PostgreSQL, SQL Server, MongoDBOther : Tomcat, Eclipse, Oauth, JWT, Git.
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Design and implement APIs and backend systems to support the functionality of our live stream shopping mobile application
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Integrate with third-party services and APIs to enable features such as payment processing, real-time inventory updates, and user authentication
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Collaborate with the front-end development team to ensure smooth and seamless integration between the front-end and backend systems
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Monitor and optimize the performance and scalability of our backend systems to ensure a seamless user experience
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Write clean, maintainable, and well-documented code
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Stay up-to-date with industry best practices and new technologies
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Bachelor's or Master's degree in Computer Science or a related field
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3+ years of experience in backend development
-
Strong knowledge of at least one programming language, such as Java, Python, or Ruby
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Experience with RESTful APIs and microservices
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Experience with database design and SQL
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Experience with cloud computing platforms such as Amazon Web Services or Google Cloud Platform
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Excellent problem-solving and communication skills
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Experience with AWS
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Experience with live stream technology or e-commerce platforms
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Experience with agile development methodologies
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Experience with containerization and orchestration platforms such as Docker and Kubernetes
● He/She is a responsive team player who can proactively contribute for building technical
strategies for applications and systems by promoting an understanding of the technology and
business roadmap.
● He /she is someone who thrives in a fun, fast-paced, dynamic, startup-like environment.
● Work very closely with various business stakeholders to drive the execution of multiple
business plans and technologies .
● Work closely with Product, Design, and Marketing to conceive features, plan projects, and
build roadmaps
● Prior experience with scalable Architecture managing team of minimum 5 engineers and
coaching, mentoring while maintaining a role with code development.
● Proven history of contributing to product strategy and shipping products with multi-functional
teams.
● Highly involved in recruitment while building team also leading app development for both
platforms
● Promote and support company policies, procedures, mission, values, and standards of ethics
and integrity.
Minimum Qualification:
● Hands-on working on Java ( {Language understanding - Java 8, Lambdas, Collections,
popular frameworks & libraries}, JVM, GC tuning, performance tuning)
● Worked on REST frameworks/libraries like Spring MVC, Spring Boot, Dropwizard, REST
Express etc
● Worked on Relational data stores viz. MySQL, Oracle or Postgres
● Worked on Non-relational data stores viz. Cassandra, HBase, Couchbase, MongoDB etc
● Worked on caching infra viz. Redis, Memcached, Aerospike, Riak etc
● Worked on Queueing infra viz. Kafka, RabbitMQ, ActiveMQ et
2. Experience with Microservices Architectures
3. Experience with RESTful and Stateless services
4. Broad and deep knowledge of design patterns and algorithms









