
Role: Java Developer
Location: Bengaluru - Hybrid
Mode: Full Time
Job Description: We are looking for a talented and motivated Software Engineer with expertise in both Windows and Linux operating systems and solid experience in Java technologies. The ideal candidate should be proficient in data structures and algorithms, as well as frameworks like Spring MVC, Spring Boot, and Hibernate. Hands-on experience working with MySQL databases is also essential for this role.
Responsibilities:
● Design, develop, test, and maintain software applications using Java technologies.
● Implement robust solutions using Spring MVC, Spring Boot, and Hibernate frameworks.
● Develop and optimize database operations with MySQL.
● Analyze and solve complex problems by applying knowledge of data structures and algorithms.
● Work with both Windows and Linux environments to develop and deploy solutions.
● Collaborate with cross-functional teams to deliver high-quality products on time.
● Ensure application security, performance, and scalability.
● Maintain thorough documentation of technical solutions and processes.
● Debug, troubleshoot, and upgrade legacy systems when required.
Requirements:
● Operating Systems: Expertise in Windows and Linux environments.
● Programming Languages & Technologies: Strong knowledge of Java (Core Java, Java 8+).
● Frameworks: Proficiency in Spring MVC, Spring Boot, and Hibernate. ● Algorithms and Data Structures: Good understanding and practical application of DSA concepts.
● Databases: Experience with MySQL – writing queries, stored procedures, and performance tuning.
● Version Control Systems: Experience with tools like Git.
● Deployment: Knowledge of CI/CD pipelines and tools such as Jenkins, Docker (optional)

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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2) Strong DB concepts , and hands on knowledge on MongoDB , REDIS
3) Experience working with micro-services will be a plus
4) Experience working with JWT and IAM systems will be a plus
5) Experience working with Postman , Swagger will be a plus
6) TDD knowledge is an advantage and also working with Unit Test code and familiar with test code coverage concepts.
7) Strong operating system knowledge is a plus with knowledge of how to manage threads.
8) Working experience with RabbitMQ , Kafka will be a plus
9) Strong knowledge of JS internals is a must.
You can contact me on nine three one six one two zero one three two
Java Lead We are solving complex technical problems in the financial 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. 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. Experience: 8–13 years in Java development. Domain Expertise: Background in product-based companies, investment banking experience preferred. Leadership: Proven ability to lead teams of 3–4 members. Technical Depth: Hands-on with complex systems and distributed architectures. Soft Skills: Strong analytical thinking, problem-solving, and excellent communication. Process Knowledge: Expertise in end-to-end SDLC and Agile methodologies. Tech Stack ● Languages & Frameworks: Core Java, J2EE, Spring Boot, Spring Framework. ● Architecture: RESTful APIs, Microservices. ● Persistence: Hibernate/JPA. ● Databases: Postgres, MySQL (or similar). ● Tools: Maven/Gradle, CI/CD pipelines. ● Cloud: AWS/Azure (nice to have).
We are seeking an exceptional Lead Shopify Developer to join our incredible team. You'll be a critical participant in projects working closely with designers, performance managers, our creative team, and the Technical Director. To optimize our Shopify Plus store. Fluency in HTML5 and JavaScript, experience with custom theme development, Shopify Plus experience, and familiarity with Next and React are essential. The ideal candidate would also be expected to help manage core Shopify platform integrations such as Klavyio, Zendesk, and other vital Shopify applications.
Qualifications:
Strong proficiency in Shopify Plus and Shopify Scripts
Experience with custom theme development for Shopify Plus (advanced customer fields experience)
Fluency in HTML5, CSS, JavaScript/jQuery Experience with Shopify app integrations (integrating third-party APIs)
Familiarity with Github
Strong understanding of SEO and web development Experience with Server and DNS management Understanding cross-browser compatibility problems and the ability to offer solutions
Experience with user testing and usability analysis
Familiarity with UX/UI concepts and best practices
Responsibilities:
Actively involved in all phases of the site development
Manage our Shopify Plus store Work with the marking team to create landing pages Change website content to improve the customer journey Help manage third-party integrations and applications Optimize page load times Resolve cross-browser issues (troubleshooting server and site issues)
Familiarity with design software such as Photoshop to customize visuals and media on sites Attend group meetings and offer recommendations to improve the optimization of customer journey and conversion
Communicate regularly with team members through channels such as Slack and Asana
- Design, build and maintain efficient, reusable, and reliable Java code.
- Providing technical oversight to the team, involved in design and code review.
- You would also be spending most of the time in development activities in varied technologies and should have a passion to write code.
- Should be able to create good technical documents.
- Translate application storyboards and use cases into functional applications.
- 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 as well as suggest the pros and cons of using a certain technology stack or component or design pattern versus another, to the clients.
- Team Management.
Required Skills and Qualifications
- Qualifications: BTECH/MTECH/MCA/MSc.
- Proficient in Java, with a good knowledge of its ecosystems with a knack for writing clean, readable Java code, writing reusable Java libraries along with knowledge of multithreading, concurrency patterns, and collections in Java.
- Solid understanding of object-oriented programming along with various design and architectural patterns.
- Hands on experience with JMS, JPA, Spring (MVC, Boot & Cloud preferred) & Hibernate.
- Familiarity with concepts of MVC, JDBC, and RESTful. Experience with Presentation Layer (JSP/Servlets), JS Frameworks (Angular, jQuery, react, etc.).
- Creating database schemas that represent and support business processes and experience with both external and embedded databases. Implementing automated testing platforms and unit tests.
- Proficient understanding of code versioning tools, such as Git, Ant, Maven, and Gradle; continuous integration.
- Knowledge in xml based mappings, SAML, rest clients, CAS authentication and Jetty.
- Knowledge of Apache Camel and Kafka and Drools Rule Engine is preferred.
Responsibilities:
- Lead the development of the back-end systems for our first product.
- Build reliable, secure and performant back-end systems.
- Drive test coverage and continuous delivery automation within the team.
- Mentor and provide feedback to teammates.
Requirements:
- 3+ years of software development experience.
- Strong computer science fundamentals.
- Deep and wide knowledge of Java ecosystem.
- Can write code that is readable, maintainable, secure and performant.
- Know the importance of tests and how to approach writing different types of tests.
- Good intuition for REST API design.
- Deep understanding of relational databases, transactions, entity-relationship modelling.
- Comfortable writing highly concurrent systems.
- Experienced in using profilers, tuning garbage collection, optimising SQL queries.
We are looking for a Experienced Backend Developer, who is motivated to work on startup
culture and has working knowledge in Product development.
Duties and Responsibilities:
Design and Write Efficient and Structured code
Sound knowledge of Product lifecycle
Auto test and deployment using CICD
Experience in cloud technologies and understanding of the overall product architecture.
Collaborate with the product and tech team to design and launch new features.
Understanding and implementation of security and data protection.
God code versioning practices and experience on tools like GIT
Experience in Microservice architecture and API development using Java Springboot.
SQL
AWS working knowledge is an added advantage.
Role Specification: Knowledge of Java, Spring Boot, Mysql/SQL, Data Structures and algorithms
Job Description
Who are we looking for?
A senior level Java-J2EEE lead to manage a critical project for one of the biggest clients in banking domain. The Individual should be passionate about technology, experienced in developing and managing cutting edge technology applications.
We are looking for people from the trading background
Technical Skills:
- An excellent tech Lead or application architect with strong experience in monolithic Java legacy applications, modern cloud-native
- Strong hands-on experience in Spring, Core Java specifically on multi-threading, concurrency, memory management process, and fair understanding on network communication & protocols.
- experience working in software development on low-latency and high performing systems
- Experienced to guide & mentor the offshore team members, validating application deliverables on regular basis
- Ability to work in a collaborative manner with peers across different time zones.
- Passionate about good design and code quality and have strong engineering practices
- Experience working on GCP will be preferred.
Process Skills:
- Experience in analyzing requirements and develop software as per project defined software process
- Develop and review design, code
- Develop and document architecture framework, technical standards, and application roadmap
- Guide development teams to comply with the architecture and development standards and ensure quality application is designed, developed, and delivered
- Must have excellent communication skills.
Behavioral Skills:
- Resolve technical issues of projects and Explore alternate designs
- Effectively collaborates and communicates with the stakeholders and ensure client satisfaction
- Mentor, Train and coach members of project groups to ensure effective knowledge management activity.
Certification:
- Ultimate sun Java and GCP Certified
- Java 8, Spring Boot, Java Microservices
- REST API’s
- Angular 11, HTML5, CSS3, Bootstrap
- SQL DB
- Azure/AWS
- Kafka









