Java Developer at Wissen Technology · Mumbai · 5 - 10 years · Profitable · Posted 7 Nov 2025

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.
Job Description:
• Experience in Core Java, Spring Boot.
• Experience in microservices.
• Extensive experience in developing enterprise-scale systems for global organization. Should possess good architectural knowledge and be aware of enterprise application design patterns.
• Should be able to analyze, design, develop and test complex, low-latency client-facing applications.
• Good development experience with RDBMS in SQL Server, Postgres, Oracle or DB2
• Good knowledge of multi-threading
• Basic working knowledge of Unix/Linux
• Excellent problem solving and coding skills in Java
• Strong interpersonal, communication and analytical skills.
• Should be able to express their design ideas and thoughts.

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
Experience: 5+ years
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.
Job Title: Lead Java Developer
Experience Required: 7+ Years
Location: Mumbai
About the Role
We are seeking a highly skilled Senior Backend Developer with deep expertise in building scalable, high-performance applications. The ideal candidate will have strong hands-on experience with Java, Spring Boot, Microservices, and distributed systems. You will play a key role in designing and optimizing APIs, architecting robust systems, and collaborating with cross-functional teams to deliver innovative solutions.
Key Responsibilities
- Design, develop, and maintain scalable backend systems using Java, Spring Boot, and Microservices architecture.
- Build and optimize APIs for large-scale applications ensuring high performance and reliability.
- Apply clean coding principles, SOLID design patterns, and clean architecture to deliver maintainable and robust code.
- Work with distributed systems technologies (Kafka, ELK, in-memory databases, Cassandra, or similar).
- Write efficient SQL queries and integrate with relational and NoSQL databases.
- Collaborate with product managers, architects, and other developers to define and align on technical decisions.
- Identify and solve complex problems with innovative and scalable solutions.
- Drive best practices in coding standards, system design, and performance optimization.
- Communicate complex technical concepts clearly across teams and stakeholders.
Skills & Qualifications
- 7+ years of experience as a Backend Developer.
- Strong expertise in Java, Spring Boot, Microservices, SQL.
- Significant experience in API design and optimization for enterprise-scale applications.
- Proficiency in distributed systems & related technologies (Kafka, ELK, in-memory DBs, Cassandra, etc.).
- Strong understanding of object-oriented engineering principles (SOLID, clean architecture).
- Excellent problem-solving and analytical skills with the ability to simplify complex concepts.
- Strong communication and collaboration skills, with the ability to influence and align teams.
Java back end developer
Chennai
3+yrs
3 to 5 years Java,
Sprint Boot, Hibernate,
REST API Design Patterns SQL,
Oracle,
Table design
About the role: In this role, you will be responsible for the end-to-end development of software solutions related to banking, payments, investments, wallets, and other fintech products. You will work closely with software engineers, test engineers, researchers, designers, and the management team.
You will be responsible for enforcing software development best practices in a fast-paced Agile/DevOps environment, while always focusing on delivering high-value. In the process, you will work with primarily fintech technologies and other distributed systems-related tools,
techniques and methodologies.
If you want to join an early-stage startup that values you and your skills, and gives you the freedom to work at your pace while delivering a fantastic all-in-one financial app for all Indians, this is the perfect role for you.
About us: Mool is an all-in-one financial app where you can save, spend and invest your money with confidence. We understand that everyone deserves a good relationship with their money and growing your wealth should not be a difficult process. To help you gain financial freedom, we bring together champions of the financial service industry to champion you with best-in-class products.
Our ideal candidates will:
• Be highly experienced in Golang. So, if you have at least 1 year of active golang development experience, we want you!
• Have a good understanding of the MVC framework and also proficiency in using advanced JavaScript libraries and frameworks such as ExpressJS, FastifyJS and other backend and frontend frameworks
• Understand and experience with cloud technologies: AWS (Must have) and Azure.
• Be knowledgeable in code versioning tools and dev ops methodologies such as Git.
• Highly experienced with various databases such as MongoDB, PostgreSQL, MYSQL
• Have worked on Relational Database and can figure out where to add Indexes in DB to optimise the performance
• Know how Cache Layer works (e.g. Redis)
• Have experience with queuing services and frameworks such as KafkaRabbit MQ. We prefer it if you have experience with fintech systems and applications
• Expected to have a good understanding of security practices for financial systems.
• Have experience in writing Unit and E2E test cases
• Have experience with Network Security or Ethical Hacking
• Experience with integrating banking APIs
Roles and responsibilities:
• Take an active part in the design process of the architecture of the mobile application
• Maintain quality and ensure responsiveness of applications
• Collaborate with the rest of the engineering team to design and launch new features
• Maintain code integrity and organization
• Working with the design team to convert designs to visual elements
• Implement security and data protection systems and processes to ensure information security compliance
• Oversee full software development lifecycle for the product
Involvement in the full software development life cycle within broadly defined parameters and providing software solutions keeping into consideration the software quality needs
Design and defining the interaction between the different component pieces
Write efficient code based on brief given by team lead.
Fast prototyping of proof-of concept features / application based on brief.
Develop and maintain new features on Java stack
Own the delivery of an entire piece of a system or application
Management and execution against project plans and delivery commitments
Work closely with the peers and Leads to develop the best technical design and approach for new product development
Build software solutions for complex problems.
Compliance with build/release and configuration management process
Responsibility to develop unit test cases for his/her project module.
Execution of appropriate quality plans ,project plans ,test strategies and processes for development activities in concern with business and project management effort
Desired Profile:
GoodunderstandingofObjectOrien
Development across multiple browsers/platforms on Website
Good Understanding of SQL/NoSQL data stores
Fair Understanding of Responsive High Level Designs
Work experience in product/start-up company is a plus
Familiarity to MVC, SOA, RESTFull web services
Work with other teams and manage time across multiple projects and tasks in a deadline driven, team environment
Good to have knowledge of Javascript (AngularJS/ReactJS)/HTML/CSS/
Understand agile methodology and instill best practices into the process.
● Overlook development of all consumer products in JAVA Lead a team of 4-5 developers
● Optimise components for maximum performance across a vast array of web-capable devices
and browsers Focus on code maintainability and performance of application
● Provide technical advice and assists in solving programming problems
● Continuously create new and interactive features that would help to improve user experience
and user engagement.
● Assist with troubleshooting of issues as needed Lead the design and architecture of software
solutions Assist in developing and maintaining continuous integration pipelines
Requirements
● 6+ years of experience in Java based technologies Experience in designing databases and
system architecture
● Experience in building products from scratch
● Experience in building fintech products like Insurance, Payments, Banking etc.
● Experience in building products for scale
● Strong interpersonal skills
● Good in multi stakeholder collaboration
Role: Java developer
Location: Gurgaon
Exp-3-5 yrs
Description:
- 3+ years of Coding and development experience
2. Hands on technical experience in must have technical requirements.
3. Strong working knowledge of Developing, Designing and implementing large scale enterprise applications.
4. Possess strong analytical skills, organizational skills, attention to detail, and excellent verbal and written communication skills.
5. Ability to establish and maintain effective working relationships with co-workers, managers and internal and/or external customers.
6. Knowledge of Agile process
REQUIRED TECHNICAL SKILL SET
Must have: AWS, Java, J2EE, Angular, React, Javascript, Spring MVC, Webservices (REST), Servlets, Hibernate
Nice to have: EXTJS, JBoss Drools Rules Engine, JQuery
RESPONSIBILITIES
1. Analyses and evaluates detailed business and technical requirements.
2. Codes and maintains complex components of information systems.
3. Develops and performs unit testing and fixes defects identified during testing and re-executes unit tests to validate results.
4. Ensure code quality by performing technical design and code reviews
5. Perform integration via Services/Batch with external and internal systems; develop presentation, business/application services and persistence components
6. Module level ownership and ensure that any development that occurs in that module is as per the agreed solution.
7. Profiling & Performance turning of Javaapplications
Design, create and weave web apps using AEM.
- Your work will include structuring websites, building custom components, workflows, JAVA APIs, and unit testing.
- Design, build and configure web CMS with Adobe Experience Manager and other technologies like Java, HTML/DHTML, XML, JavaScript, web services, etc.
- Meet and exceed strategic business objectives using technology solutions and take on the mantle of Senior AEM full stack developer
What do you need:
- 4 plus years of experience in developing websites built with the help of Adobe Experience Manager and related web technologies.
- Additional advantage if there is an experience in Sightly (HTL), Core Java/J2EE (JSP + Servlets).
- Expert level experience with AEM and AEM 6.3+ in production is the must.
- Experience working with Adobe Managed Services
- Strong knowledge of the AEM DAM
- Experience implementing Applications as OSGi Modules
- Experience developing RESTful applications using the Sling Servlets
- AEM 6.3/6.4 Experience: 6 months - 1 year
- AEM 6.0 version and above Experience: Minimum 3 years
Additional Skills :
- Experience managing AEM ACL's is a plus
- Experience working with and integrating other products in the Adobe Marketing Cloud is a plus
- Experience with eCommerce is a plus
- Knowledge of command-line tools and scripting is a plus
- Familiarity with OWASP and other relevant security practices is a plus
Know your work :
This role of Adobe AEM Developer focuses on technical responsibilities and day-to-day key activities for this role can be as below :
- Work on project development or support projects or implement fixes for application support projects using technologies mentioned above in the experience section
- Discussing critical issues with AEM Architect
- Discussion about the implementation approach for fixing an issue
- Releasing fixes on QA, UAT using automation tools
- For Production release coordinate with the Release Manager
- Code review and refactoring fixes
- Ensure professionalism is maintained in terms of code quality, code performance, maintainability, and reusability
- Estimates work stream-related activities accurately with Team Lead or Project Manager or Service Delivery Manager and reports anticipated deviations, clearly and at the earliest possible opportunity.
- Ensure work is completed as per the project plan/timeline shared by PM or SDM
- Ensure regular updates on tasks to Team Architect or PM or SDM based on which they can handle product expectations.
What you get as our Senior AEM Developer:
- Amazing workplace and colleagues in the IT corridor of Bangalore
- Competitive salary at par with the best in the industry
- Immense exposure to new technologies
#AEMDeveloper #AdobeExperienceManager #SeniorAEMDeveloper #AdobeAEMDeveloper #AEMfullstackdeveloper #SeniorAEMDeveloper
Notice Period & Location :
Notice Period - Immediately
Location - Bangalore
Role Description :-
Excellent Java Programming Skills
Experienced In Java Based Software Development For Enterprise Applications
Strong Understanding Of Java/ J2EE Design Patterns, ORM/ Persistence Technologies
Strong Experience In J2EE Technologies, Application Servers And Databases (Oracle), Struts, Hibernate.
Experience In Java Based Open Source Technologies
JAVA, JSP, jQuery, Servlet, Hibernate, Spring MVC, Spring boot, SOAP and REST Web Services, Microservices, knowledge of SQL query, build tool like Ant and Maven, very good analytical and logical skills.
Good to have: Redis and Memcached cache management, JBOSS 7 and above, API gateway, Apache, EJB











