
Java Developer – Job Description 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. - 4 to 10 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. 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.

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 Title: Java Backend Developer
Location: Bangalore
Experience: 3–6 years
Mode: Full-time
✨ Job Summary
We are looking for a skilled Java Backend Developer to join our engineering team. You will be responsible for building the backend services and APIs that power our web and mobile applications.
✅ Responsibilities:
- Design and develop RESTful APIs using Java and Spring Boot
- Write reusable, testable, and efficient backend code
- Integrate databases, caching layers, and data storage solutions
- Implement security and data protection best practices
- Monitor and optimize application performance
- Work with DevOps tools to manage builds and deployments
- Participate in code reviews and agile ceremonies
🧠 Required Skills:
- Strong programming experience in Java 8+
- Proficient in Spring Boot, Hibernate, JPA
- Hands-on with REST APIs, JSON, Postman
- Solid understanding of SQL and relational databases (MySQL/PostgreSQL)
- Experience with Maven/Gradle, Git, Jenkins
- Familiarity with Docker, Kubernetes, or AWS is a plus
- Understanding of OOP, design patterns, and microservice architecture
🎓 Qualifications:
- Bachelor's degree in Computer Science, Engineering, or a related field
- 3+ years of backend development experience
💼 Good to Have:
- Knowledge of NoSQL (MongoDB, Redis)
- Experience with CI/CD pipelines
- Familiarity with testing tools like JUnit or Mockito

Key Responsibilities:
· Design, develop, and maintain AEM-based backend solutions, components, and templates.
· Develop custom AEM Sling models, servlets, services, and OSGi components.
· Build and integrate RESTful services and APIs to support frontend and third-party systems.
· Work closely with frontend developers and AEM content authors to support dynamic content delivery.
· Develop automation scripts using Java/Python for data handling, deployment, and reporting needs.
· Implement AEM workflows, user permissions, and version control for content.
· Troubleshoot and resolve technical issues in AEM environments.
· Optimize AEM performance, scalability, and security configurations.
What You’ll Bring:
· Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent work experience.
· Proven experience delivering high-quality web applications.
Mandatory Skills
· 3+ years of experience in AEM backend development.
· Strong hands-on experience with Java, OSGi, Sling, and JCR.
· Experience with Python for backend scripting, automation, or integration tasks.
· Knowledge of AEM architecture including dispatcher, replication agents, and workflows.
· Experience working with AEM APIs, servlets, event handlers, schedulers, and custom components.
· Understanding of REST APIs, JSON/XML data handling.
· Familiarity with Maven, Git, Jenkins, and Agile development practices
Preferred Skills (Nice to Have):
· Exposure to Adobe Experience Cloud tools like Adobe Target, Analytics, Campaign.
· Working knowledge of cloud-based AEM (Adobe as a Cloud Service) is a plus.
· Basic familiarity with frontend technologies (React/Angular/HTL) is beneficial.
What you'll do?
● Develop on server-side cloud software using a serverless approach (AWS).
● Work hands-on on bringing to life IoT and Edge architectures and applications
● Work with teams on delivering key features and performance targets.
Who You Are?
● Passionate individual who loves to develop scalable backend
● Strong programming capabilities
● Understanding of cloud architecture and protocols.
● Clear thought process, believe in simplifying rather than complicating
● Argue and fight over opinions. Believe in always choosing the best
You Should Have
● Experience on NoSQL Databases and designing REST API.
● Strong fundamentals of Data structure and algorithm.
● Done related projects during graduation/post-graduation.
● Experience on AWS, AWS Lambda, AWS IoT Core, AWS Cloud Watch is a big plus.
Proficiency in Python
- Working knowledge of XML, JAVA, REST, SOAP etc
- Basic knowledge of SQL, including the ability to author ad-hoc database queries.
- Is comfortable writing code in Ruby, Python, JavaScript, and Java and enjoys learning new languages and technologies.
- Has experience integrating APIs (major plus)
- Experienced integrating RESTful APIs into web applications (a plus)
- Is experienced with Github or the likes.
- Should have worked on Payment Gateway Applications.
- Has a technical degree in Computer Science, Engineering or Mathematics (MBA is an asset)
- Technical Product/Software certifications an asset
- Has 3 to 5 years of experience in a similar client-facing role
- Has previous experience in a traditional software engineering or Implementation role.
- Has strong analytical and debugging skills.
- Experienced with Salesforce is a plus
- Solution-driven, able to grasp new concepts quickly and efficiently, able to work alone or in a team, able to work with no supervision and under pressure
- Excels in a collaborative and cross-functional environment.
- Demonstrates professional communication skills on technical and business-related subjects
- Experience working with payment gateways a major plus including ecommerce and Retail Experience with continuous integration and test-driven development methodologies a plus
- Excellent time management, organization, and planning skills are essential
- Flexibility to travel as required to meet with clients
- Ability to comprehend and translate complex technical issues and apply to business solutions
- Demonstrate ability to articulate complex technical terms or processes into business language
- Ability to synthesize technical information and apply to business solutions
- Able to set priorities, influence others, and manage customer and partner expectations
- Demonstrated success in customer and partner relationship management
- You are motivated, think outside of the box, and understand the purpose of process and procedures
Roles and responsibilities:
Actively participate in requirement analysis and ensure all scenarios/use cases are captured
Good verbal and written communication skills
Strong analytical and problem-solving skills
Coordinate with QA and Product Management to ensure proper delivery and execution of product/feature deliverables
Prior experience in Agile-Scrum software development environment
Perform effective code reviews submitted by peers
Perform Unit testing (tools – JUnit, Mockito)
Well-versed with code coverage concepts and tools
Familiar with continuous integration tools
Well-versed with refactoring concepts and Code-smell concepts Propose and implement technical solutions
Deliver relevant technical artifacts based on standard practices.
Deliver a program on time with high quality
Understand and Review requirements w.r.t. the business needs to Participate regularly in project meetings with the customer
Skillset
Must-Have Java 7, 8, Spring, SpringBoot, Microservices JPA/Hibernate Rest Web Services
AWS – Usage of at least any of SES / SQS / SNS / S3 / Lambda / DynamoDB Jenkins Bitbucket, GIT
Basic Knowledge of Javascript, HTML Struts, EJB
Experience with SQL and No-SQL technologies is required (e.g. Mongo DB, Dynamo DB)
Prior experience in an Agile-Scrum software development environment is required
Experience with Jira and Confluence preferred
Good to have AWS EC2, Elastic Beanstalk, Docker Swings Datadog/Splunk
Thanks and Regards,
Seema Bisht
Senior Talent Acquisition Partner || Trantor Inc.
Plot No. G-9, IT Park - Chandigarh, India - 160101
enterprise-grade applications.
You will be part of a talented software team that works on mission-critical applications. Java
developer roles and responsibilities include managing Java/Java EE application development
while providing expertise in the full software development lifecycle, from concept and design to
testing.
Responsibilities and Duties
• Contribute to all phases of the development lifecycle
• Write well designed, testable, efficient code
• Ensure designs should follow compliance with specifications
• Prepare and produce releases of software components
• Support continuous improvement by investigating alternatives and technologies and
presenting these for architectural review
Qualifications
• BS/MS degree in Computer Science, Engineering, or a related subject
• Minimum 4.5 to 6 years of software development experience
• Proven hands-on Software Development experience
• Proven working experience in Java development
• Hands on experience in designing and developing applications using Java EE
platforms
• Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2,
Hibernate)
• Experience in the Spring Framework
• Very good English communication skills
• Optional:
o Good to have the knowledge of Angular JS framework.
o Experience to work on the Microservice architecture.
o Experience to work with Git hub & bitbucket.
o Agile methodology.
hands on experience of 1-2 years in JAVA/ J2EE Technology and good understanding of MVC Architecture
- 2+ years of experience on Java, Spring Boot, Hibernate in medium to large-scale projects
- Must have experience with at least some flavours of both SQL (MySQL, Postgres) and NoSQL (Kafka, MongoDB, ElasticSearch, NoSQL distributed cache system, DynamoDB etc), datastores in production
- Must have experience with Kafka or similar message queue systems in production
- Stellar problem solving skills
- Hunger to learn new things and ability to grasp new concepts quickly
- Ability to move quickly without breaking things too much (we are dreamers)
- Ability to work under immense pressure which is balanced by a sense of responsibility and ownership
- Should be able to groom juniors and take them to the next level
About the opportunity
What you’ll be doing:
- You will contribute to all aspects of an agile software development life-cycle including design, architecture, development, documentation, testing and operations.
- You will build cutting-edge scalable systems by writing simple and efficient code.
- You will push your design and architecture limits for new product development.
- You will collaborate with product managers, and other key stakeholders within the MMT family to successfully execute projects.
- You will ensure compliance with build/release and configuration management process.
What you’ll bring to the table:
- You possess good understanding of Agile Methodology, Object Oriented Programming Concepts and Responsive Designs.
- You have hands-on experience on Java/ J2EE stack and have done development across multiple browsers/platforms delivering mind-boggling results.
- You thrive in complexity and jump at the opportunity to collaborate with colleagues to delivery projects within tight deadlines.
- If you have work experience in a product/start-up company, we’ll like you even more.
Our Purpose and Challenges
With over 47% market-share, MakeMyTrip is India’s first and biggest travel company. In fact, one in every four passengers at an airport is our customer. Driven by the desire to provide an exceptional travel experience for our customers, we have continuously stayed ahead of the curve by developing technology and products to meet the ever-changing demands of the rapidly evolving travel ecosystem.
We are currently solving multiple challenging problems, including -
- How to bring the next 100 million users to our platform?
- How to leverage customer insights to create a truly personalised experience for users?
- How to create a delightful experience for our users, to make travel synonymous to MMT?








