
5+ years of Experience designing, building and testing Java EE applications
Experience designing, implementing, and integrating Spring and/or Spring Boot
Good knowledge in recent version of Java, Oracle, JBoss, Hibernate
Experience in working with Messaging systems like Apache Kafka
Developing low level designs based on HLD
Reviewing code to check coding standards and best practices to ensure quality.
Hands on knowledge in Unit testing Framework like Junit and good understanding on Exception Handling in Java
Good Knowledge in UI like React or Angular
Experience designing SOAP / RESTful web services
Working on bug fixing and improving application performance
Familiarity with build tools such as Maven and Gradle.
Familiar with various design and architectural patterns
Familiarity with continuous integration

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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We are seeking an experienced and highly skilled Backend Java Engineer to join our team.
The ideal candidate will have strong expertise in Core Java, Spring Boot, Microservices, and building high-performance, scalable backend applications.
Responsibilities
- Develop, test, and deploy scalable and robust backend services using Java, Spring Boot, and Spring Framework.
- Design and implement RESTful APIs for seamless integrations.
- Contribute to architectural decisions involving microservices, APIs, and cloud-based solutions.
- Write clean, efficient, and reusable code following coding standards and best practices.
- Optimize application performance and participate in debugging and troubleshooting sessions.
- Collaborate with architects, product managers, and QA engineers to deliver high-quality releases.
- Conduct peer code reviews and ensure adherence to engineering best practices.
- Mentor junior engineers and support their technical growth where required.
Skills & Requirements
- Minimum 2 years of hands-on backend development experience.
- Strong proficiency in:
- Core Java / Java 8
- Spring Boot, Spring Framework
- Microservices architecture
- REST APIs
- Experience with:
- Kafka (preferred)
- MySQL or other relational databases
- Batch processing, application performance tuning, caching strategies
- Web security / application security
- Solid understanding of software design principles and scalable system design.
Preferred
- Male candidates preferred (client-mentioned requirement).
- Experience working in fintech, payments, or high-scale production environments
• Design, develop, code and test the solution
• Experience working with large datasets and NoSQL database technologies (e.g. Cassandra, ES)
• 5-10 yrs of industry experience
• Energetic self-starter, with a desire to work in a startup environment
• Proficient in advanced Java programming skills
• Expert in Application development cloud/on premise end to end. Middle layer, DB layer.
• Nice to have understanding on MQ (e.g. Kafka)
• Good hands on in Complex Event Processing systems
• Solved scale and performance issues while dealing with huge sets of data. Pre compute or data aggregation frameworks to achieve good response time
• Experience working with large datasets and NoSQL database technologies (e.g. Cassandra, ES)
• Experience of debugging applications running on Unix like systems (e.g. Ubuntu, CentOS)
• Experience developing RESTful APIs for complex data sets
• Knowledge of container based development & deployment (e.g. Dockers, K8s)
• Expertise in software security domain, a plus
Please find below updated JD for Java requirement.
-Work with a performance-oriented team driven by ownership and open to experiment.
- -6+ years of Java advanced software development experience, with concurrent (multi-threaded) programming highly desirable.
- -Strong experience on Core Java 8, Java EE, Spring Boot, Maven and Docker including Multi-threading.
. -Strong problem solving skills, computer science fundamentals, data structures and algorithms.
- -Hands on experience with any SQL Database.
- -Ability to learn new technologies like ELK, stack, redis etc.
- -Must have expert level knowledge in Java, Springboot.
- -Must have knowledge or hands on experience in microservices, apache kafka and distributed caching.
. -Experience in distributed/scalable systems
- -Strong knowledge of design patterns and software engineering best practices.
- -Familiarity with standard development tools and processes: Git, Eclipse, JUnit test, debugging, profiling, etc.
. -Familiarity with CI/CD and DevOps
. -Strong knowledge and previous experience in end-to-end design, development and subsequent
support of large-scale data processing systems
. - Familiarity and confidence working in an agile development environment.
. - Good Problem solving skills
- - Good oral and written communication skills.
- - Strong debugging skills.
Job Description:
Excellent Java development skills using J2EE, J2SE, Servlets, JSP, JDBC, Java, Spring, Springboot, Hibernate, Microservices, Webservices, Extensive experience designing, developing RESTful APIs, coding experience with either Java/J2EE/Spring, Good SQL knowledge
Required experience in Core Java, Spring, Springboot, Hibernate, Microservices, rest services
Able to understand SDLC process, Extensive experience designing and, developing RESTful APIs, Extensive coding experience with either Java/J2EE/Spring
Qualification Any Graduate
- Design and develop features using Java, Spring, and Hibernate
- Ability to design database schema, develop views and stored procedures
- Maintain existing software systems by identifying and
Correcting software defects.
- Review and analyse business requirements and provide technical software defects.
Key Skills:
- Good understanding of algorithms, data structures & design patterns
- Thorough understanding of core Java, Spring framework
- Experience with Spring Boot to bootstrap applications
- Good understanding and working experience with RESTful web services
- Knowledge of modern authorization mechanisms, such as JSON Web Token and OAuth2 - Familiarity with code versioning tools such as Git, etc.
- Self-starter who can think outside of the box, and come up with a solution to resolve and mitigate complex problems
- Experience working in an Agile development environment using methodologies like Scrum and tools like JIRA, Confluence, etc Experience.Comfortable with MYSQL,Mongodb
Role & Responsibilities:
- Design and develop features using Java, Spring, and Hibernate
- Ability to design database schema, develop views and stored procedures
- Maintain existing software systems by identifying and correcting software defects
- Review and analyze business requirements and provide technical feasibility and estimates
- 2-4 years of work experience developing Java-based backend applications. Around 1 year of work experience e using Spring Boot, Spring Cloud and Microservices.
· Experience in object-oriented design/programming and proven experience as a Software Developer
· Experience with software design and development in a test-driven environment.
· Self-starter with high level of commitment and motivation
strong working experience with developing restful services should have experience working on application frameworks such as java ,spring, spring boot, aop
strong working experience with developing restful services
| Ability to understand C and C++ and re-write / rebuild applications and services in Java and .JSP JS Ability to understand C++ code at the minimum; but preference is to try get someone who had C++ hands on. Experience with microservices architecture design and implementation Ability to design; develop; and deploy applications and services in a containerized environment using Java; .JSP JS; XML; SQL; Custom Development Experience with databases - DB2; Oracle; MYSQL Experience working on UNIX environment Experience working on migrating applications / services (re-write and re-build) from legacy to cloud-based platforms Proven experience with application and platform modernization Ability to understand of High Availability Design and Architecture (including authorization; authentication ; vulnerability) Strong knowledge of test-driven development; automated testing; and proper test design. |
Who we are
ixigo is an AI-based travel app that helps millions of users plan and book their trips every day. Launched in 2007, ixigo is proud to have built numerous industry-first AI-innovations over the last decade. With pre-emptive help from ixigo at every touch-point of their journey, 150 million Indians are now making smarter travel decisions every year. ixigo uses Artificial Intelligence for deal discovery, personalized recommendations, dynamic marketing, airfare predictions, train delay information, PNR confirmation status, infrastructure cost optimization, business intelligence and providing fully-automated customer service over chat and voice. This makes ixigo a lean, tech-intensive and capital-efficient travel business, serving millions of travelers with a team size of under 200. Founded in 2007 by Aloke Bajpai & Rajnish Kumar, ixigo’s investors include Sequoia Capital India, Fosun RZ Capital, SAIF Partners, MakeMyTrip & Micromax.
Role & Responsibility
As a Backend Developer, You will be involved in all aspects of development playing a critical role in the design, planning, development, and deployment and help develop best practices for future development. You will be working closely with Tech, Design and Quality team to build and launch the product.
- Code, develop, design and architect features related to the existing application. We expect you to own modules end to end and take pride in the work products you ship
- Design, implement and maintain highly scalable, multi-tier, distributed server software applications
- Deliver across the entire app life cycle, design, build, deploy, test, release to app stores and support
- Working directly with developers and product managers to conceptualize, build, test and release products
- Take responsibility for performance and stability for all server functions
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency
Skills & Qualifications:
- At least an undergraduate degree in Computer Science, Engineering, preferably from IITs/Top RECs
- 2-5 years of experience at cutting edge organizations or startups
- Extensive experience in a Java server-side software design and development
- Proficiency in the implementation of algorithms and the use of advanced data structures to solve problems in computing.
- Experience with e-business/e-commerce applications and business environment is a must
- Any experience with internet companies or the travel industry will be a plus
Must have
- Good understanding of Java/J2EE and design patterns
- Strong knowledge of data structures and designing for performance, scalability and availability Knowledge in MongoDB and Web services
- Extensive use of Instruments and Shark to detect memory leaks and for performance optimization
- Good grasp of algorithms, memory management, and multithreaded programming
- Good to have - Python, NodeJS, Mysql, Redis, ElasticSearchGreat people skills!
- Able to fit in well within an informal startup environment and to provide hands-on management
- The high energy level and untiring commitment to drive oneself & the team towards goals
Compensation: Commensurate to skills & experience; comparable to the best in the industry.
Culture: ixigo is proud to have built an entrepreneurial culture that has become a folk-lore in the startup ecosystem. One in every four ixigems has gone on to build successful startups and companies. Our cultural values of integrity, empathy, ingenuity, awesomeness, and resilience have stood the tests of time and we’ve built a fun, flexible and creative work environment that is driven by people with a high degree of ownership. You will get to work with some of the smartest folks in the Indian startup ecosystem, and solve some of the toughest problems for the next billion users by using bleeding-edge technologies. Oh, and we have an awesome “play” area, great chai/coffee, free lunches (yes, they exist!) and a workspace you will fall in love with.
As Java Developer at BRIDGEi2i, you will participate in design, development and implementation of architectural deliverables of custom projects and products of BRIDGEi2i in Business Intelligence Applications. The role includes working closely with lead, testers, customers, project managers, designers.
You are expected to develop prototypes of the system design and work with lead, frontend developers, testers and project managers as appropriate throughout development cycle. You may work on multiple projects and products. You will contribute as a fully seasoned/proficient technical resource; providing tech knowledge and capabilities as team member and individual contributor.
Requirements:
- 4+ years of experience in core Java/J2EE
- Strong knowledge of one of the web application framework such as Spring 4, Hibernate
- Good knowledge of relation database, SQL and ORM
- Possess good knowledge of object-oriented design and data structure
- Knowledge of web services (Restful) is preferred
- Knowledge of UI frameworks is an added advantage (AngularJS 2.0/4.0, Java script, HTML, CSS, JQuery, React JS)
- Curiosity and attention to detail
- Adaptable to changing technology and restrictions, design challenges, deadlines, and project requirements
Experience
- Should have 4+ Years of experience in Software Development.









