
· 5+ years of experience in software development using Java.
· Proficiency in Spring Boot and Spring Batch.
· Experience with microservices architecture.
· Hands-on experience with Cassandra or similar NoSQL databases.
· Solid understanding of cloud platforms (AWS, GCP, Azure, etc.).
· Familiarity with Docker and Kubernetes.
· Experience with CI/CD tools such as Jenkins etc
· Strong problem-solving skills and attention to detail.
· Excellent communication and teamwork skills.
Important consideration:
· Core Java - 4 to 6 Yrs
· Spring and Spring Boot, Spring MVC, Spring Data, Spring Security - 4 to 6 Yrs
· DevOps (Jenkins, Junit, sonarQube, Maven) - 1 to 2 Yrs
· MongoDB, NOSql, Couch DB, Cassandra - 1 to 2 Yrs

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
Key Responsibilities
- API & Service Development:
- Build RESTful and GraphQL APIs for e-commerce, order management, inventory, pricing, and promotions.
- Database Management:
- Design efficient schemas and optimize performance across SQL and NoSQL data stores.
- Integration Development:
- Implement and maintain integrations with ERP (SAP B1, ERPNext), CRM, logistics, and third-party systems.
- System Performance & Reliability:
- Write scalable, secure, and high-performance code to support real-time retail operations.
- Collaboration:
- Work closely with frontend, DevOps, and product teams to ship new features end-to-end.
- Testing & Deployment:
- Contribute to CI/CD pipelines, automated testing, and observability improvements.
- Continuous Improvement:
- Participate in architecture discussions and propose improvements to scalability and code quality.
Requirements
Required Skills & Experience
- 3–5 years of hands-on backend development experience in Node.js, Python, or Java.
- Strong understanding of microservices, REST APIs, and event-driven architectures.
- Experience with databases such as MySQL/PostgreSQL (SQL) and MongoDB/Redis (NoSQL).
- Hands-on experience with AWS / GCP and containerization (Docker, Kubernetes).
- Familiarity with Git, CI/CD, and code review workflows.
- Good understanding of API security, data protection, and authentication frameworks.
- Strong problem-solving skills and attention to detail.
Nice to Have
- Experience in e-commerce or omnichannel retail platforms.
- Exposure to ERP / OMS / WMS integrations.
- Familiarity with GraphQL, Serverless, or Kafka / RabbitMQ.
- Understanding of multi-brand or multi-country architecture challenges.
Location: Bangalore
Experience: 7-10 years
Job Type: Full-time
Overview:
We are seeking a skilled Java Lead with 7-10 years of experience for our Bangalore office. The ideal candidate will have a strong background in Java development, team leadership, and client-facing roles.
Key Responsibilities:
- Lead a team of Java developers, providing guidance and mentoring to ensure high-quality code and timely delivery.
- Collaborate with clients to understand requirements, present solutions, and manage expectations.
- Design, develop, and maintain complex Java-based applications.
- Ensure the team adheres to best practices in coding, testing, and documentation.
- Manage project timelines, deliverables, and resources effectively.
- Troubleshoot and resolve technical issues, ensuring smooth project execution.
Required Skills:
- Java Development: Extensive experience in Java, including frameworks like Spring and Hibernate.
- Team Leadership: Proven ability to lead and mentor a team of developers.
- Client Interaction: Strong client-facing skills with experience in requirement gathering and solution presentation.
-Project Management: Experience in managing project timelines and resources.
Preferred Qualifications:
- Experience with microservices architecture and cloud platforms.
- Familiarity with agile development methodologies.
We are looking for a qualified team leader to manage our team and provide effective guidance. The lead should be an excellent coder with proficiency and a clear understanding of different aspects of a project. You will be responsible for
supervising, managing, and motivating team members regularly. As a team leader, you will be the contact point for all Interactions with the architect and the team, so You must possess excellent communication skills. You should also be able to act proactively to ensure smooth team operations and effective collaboration.
Who are we looking for?
• Bachelors / Masters in Computer Science or equivalent with at least 7-10 years of professional experience.
●Strong software design and architectural skills in object-oriented and functional programming styles.
• Java 8, Microservices using Spring boot, Spring Cloud, Docker, Kubernetes orchestrator.
• Experience in working with Spring Framework - Spring Boot, Spring REST, Spring Security, Spring Data JPA, OAuth2, hibernate.
• Experience in Reactjs or Angular.
• Experience in RabbitMQ
• Experience in Unit Testing Tools like Junit/TestNG
• Experience in working with SQL & NoSQL databases such as MySQL, Mongo DB.
• Knowledge of CI/CD architecture.
• Knowledge of tools like Jenkins, SonarQube, Maven, Gitlab
• Experience in cloud technologies.
• Team management using Scrum methodologies.
You demonstrate the ability to work in a fast-paced and hyper-growth environment where the requirements are
constantly changing.
• Solid understanding of design patterns, data structures, and advanced programming techniques.
● Must have experience leading a team of at least 8- 10 people.
• Nice to have Python 3.6+, Image and textual data processing technologies.
Professional Requirements:
- 2-8 Years professional development experience.
- Bachelor’s and/or Master’s degree, preferably in CS, or equivalent experience.
- Good understanding of data structures and algorithms.
- Good understanding of high level and low-level design of distributed systems.
- Experience coding in any one of the following Java or Nodejs.
- Experience building highly available distributed systems on cloud infrastructure will be plus.
- Exposure to architectural pattern of a large, high-scale web application.
Requirement/responsibilities: To take a project from scoping requirements through launch of the project. Ownership of product/feature end-to-end for all phases from the development to the production. Ensuring the developed features are scalable and highly available with no quality concerns. Work closely with senior engineers for refining the and implementation. Management and execution against project plans and delivery commitments. Participate in design and code reviews.
Compensation: Competitive as per market standards; ESOPs based on performance
Our client is looking out for an Associate Architect who has strong experience in to Technology
You will be involving in design, coding &scaling the product.
Collaborate with cross functional teams to solve complex problems.
You will be designing large scale distributed system.
Requirements:
8+ years of hands-on experience in developing, designing & scaling complex systems
Programming experience in Java, spring, Hibernate and MongoDb, micro services
● Partner with the product/business teams to understand the product features and
specifications, translate them into high level and low-level design
● Participate in all stages of the Software Development Lifecycle
● Develop back-end components, services, and APIs. Support integration of user-
facing elements, and collaborate closely with the design and front-end development
team
● Write elegant, effective, and scalable code while maintaining the highest level of
coding standards
● Take ownership of the work and ensure timely deliveries
● Drive innovation in product development, while relentlessly improving performance,
scalability, and maintainability
Requirement
● Strong problem solving and analytical skills with a minimum of 2-4 years of
experience in backend development
● 1+ experience as a Java Developer, with strong knowledge of Java web frameworks
like Spring Boot, Hibernate, etc. and experience working in Microservices
architecture
● Hands-on experience of working with Linux/Unix platform
● Strong knowledge of SQL and RDBMS like PostgreSQL/MySQL etc.
● Experience in - Python, Git
● Strong technical aptitude and good knowledge of CS fundamentals
● Sound knowledge and application of algorithms and data structures with space and
time complexities
● Strong design skills involving data modelling and low-level class design
● Follow industry coding standards and responsible for writing maintainable, scalable,
and efficient code to solve business problems
Good to have
● B. Tech./M. Tech. in Computer Science or equivalent from a reputed college
● Prior experience working in a startup environment
● Experience in setting up an entire product from scratch
Required Skills
- As a Senior Core Java Developer, you will have a range of responsibilities from shaping and implementing strategic products to ensuring that company stays on the leading edge of technology
- You will have generic capabilities across application development stack and strong technical expertise in one / two application layers
- Excellent working knowledge of the following technologies:
- Implementation exp (hands-on) on Server Side Java technologies (Core Java, Multithreading, Concurrent API’s, Executor services, collections, concurrent packages, DS/Algo, design patters/principles, basic data case, Junit/agile)
- Design Patterns
- SQL and Relational Databases such as DB2
- Hands-on experience on Spring and Hibernate
Job Summary:
- Willingness to work on highly scalable cloud-native solutions based on microservices.
- Quickly learn the technologies and deliver using the same.
- Take complete ownership of the customer requirements.
- Motivated to deliver world-class quality.
- Inclined to bring new ways of thinking, working and providing solutions.
- Drive the concept of quality into everybody and have a zero-tolerance towards bad quality.
- Understand requirements from product management, customer and able to comprehensively break this down to manageable tasks.
Experience:
● 3-9 years of development experience.
Technical Skills:
Mandatory:
- Java - Advanced concepts concurrency, reflection, lambda, Java Springboot, Spring security,
- Actuator/Prometheus/Grafana/Servo (metrics),
- EFK/ELK stack (log analysis)
- OpenAPI/Swagger (documentation)
- RDBMS (PostgreSQL, MySQL, Maria or any other)
- NoSQL (Anyone of Mongo DB, Redis, Cassandra, Neo4J or other DBs)
- Automated unit tests/e2e tests (JUnit, TestNG, RestAssured etc)
- CI/CD pipelines (Jenkins, Sonar, Maven/Gradle etc)
Optional: (But highly recommended)
- NewSQL DB (TiDB, CockroachDB)
- AMQP/RabbitMQ
- Kafka
- Docker
- Kubernetes










