
Wissen Technology is now hiring for Java Developer with hands on experience in Core Java, multithreading, algorithms, and data structure.
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 highly motivated and expert team which has made a mark as a high-end technical consulting.
Required Skills:
Experience - 3+.
Experience in Core Java 5.0 and above, CXF, Spring.
Extensive experience in developing enterprise-scale n-tier applications for financial domain. 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, preferably Sybase database.
Good knowledge of multi-threading and high-volume server-side development.
Experience in sales and trading platforms in investment banking/capital markets.
Basic working knowledge of Unix/Linux.
Excellent problem solving and coding skills in Java.
Strong interpersonal, communication and analytical skills.
Should have the ability 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.
Connect with the team
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Locations: Bangalore & Mumbai
⏳ Experience: 3–15 Years
⚡ Notice Period: Immediate Joiners or Max 10 Days
Mandatory Skills:
✅ Strong Core Java
✅ Excellent Problem-Solving Skills
✅ Data Structures & Algorithms
✅ AI / LLM Knowledge
✅ Strong Coding Skills
Important:
Candidates must be available for a Face-to-Face Interview in Bangalore or Mumbai.
Only Immediate Joiners or candidates serving up to 10 days' notice period will be considered.
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
Experience: 3-7 Years
Qualification- Graduation: Bachelor of Science (B.Sc) / Bachelor of Technology (B.Tech) / Bachelor of Computer Applications (BCA)
Post-Graduation: Master of Science (M.Sc) /Master of Technology (M.Tech) / Master of Computer Applications (MCA)
Roles and Responsibilities:
- Must have experience in Microservice architecture with the ability to collaborate effectively with team members and build positive working relationships.
- Design and build and deploy APIs to meet business requirements.
- High level of commitment to business satisfaction and agility.
- Strong work ethic and a passion for the role, with a positive attitude and a willingness to learn.
- Communicate effectively with the tech lead to thoroughly understand the requirements and highlight any blockers immediately.
- Handle programming and software development, including requirement gathering, bug fixing, testing, documenting, and implementation.
- Work in an agile environment to deliver high-quality solutions.
- Understand and implement Security, Logging, Auditing, Policy Management, and Performance Monitoring.
- Familiarity with relational databases (E.g.: Oracle), non-relational databases (E.g.: MongoDB), MSK Kafka, Docker, Kubernetes, and CICD Technologies (Jenkins, GitHub, Maven)
Responsibilities
Build distributed, highly available, and fault-tolerant applications using Java, Spring, Kafka, and other technologies
Build large-scale and highly available APIs, both internal and external
Build, deploy, release, and support applications in the early stages
Skills
Must have
Overall 10+ years of experience as a Java Developer
Core Java 10+ years
Good hands-on coding skills
Must have experience in investment banking-related projects
Should have working experience in Trading life cycle project
Spring framework 5+ years
Kafka or other messaging
Knowledge of key APIs: JPA, JTA, CDI, etc.
Knowledge of various design and architectural patterns
Understanding of microservices architecture
Containerization solutions (e.g. Docker, Kubernetes, OpenShift)
Building tools (e.g. Maven, Gradle)
Version Control (e.g. Git)
Continuous Integration systems (e.g. TeamCity, Jenkins)
Experience in the finance industry and work with the Fintech community
Senior Software Engineer
TBO–(www.tbo.com)
TBO is a global platform that aims to simplify all buying and selling travel needs of travel partners across the world. The proprietary technology platform aims to simplify the demands of the complex world of global travel by seamlessly connecting the highly distributed travel buyers and travel suppliers at scale.
The TBO journey began in 2006 with a simple goal – to address the evolving needs of travel buyers and suppliers, and what started off as a single product air ticketing company, has today become the leading B2A (Business to Agents) travel portal across the Americas, UK & Europe, Africa, Middle East, India, and Asia Pacific.
Today, TBO’s product range from air, hotels, rail, holiday packages, car rentals, transfers, sightseeing, cruise, and cargo. Apart from these products, our proprietary platform relies heavily on AI/ML to offer unique listings and products, meeting specific requirements put forth by customers, thus increasing conversions.
TBO’s approach has always been technology-first and we continue to invest on new innovations and new offerings to make travel easy and simple. TBO’s travel APIs are serving large travel ecosystems across the world while the modular architecture of the platform enables new travel products while expanding across new geographies.
Why TBO:
• You will influence & contribute to “Building World Largest Technology Led Travel Distribution Network” for a $ 9 Trillion global travel business market.
• We are the emerging leaders in technology led end-to-end travel management, in the B2B space.
• Physical Presence in 47 countries with business in 110 countries.
• We are reputed for our-long lasting trusted relationships. We stand by our eco system of suppliers and buyers to service the end customer.
• An open & informal start-up environment which cares.
What TBO offers to a Life Traveller in You:
• Enhance Your Leadership Acumen. Join the journey to create global scale and ‘World Best’.
• Challenge Yourself to do something path breaking. Be Empowered. The only thing to stop you will be your imagination.
• Post pandemic: travel space is likely to see significant growth. Witness and shape this space. It will be one exciting journey.
• As a fastest growing B2B platform our priority is purpose-building scalable systems.
• Adopting industry leading technologies to support best-in-class business capabilities for high performing and scalable solutions.
• Fast response to the evolving regulatory environment and helping to meet the firm's regulatory commitments by addressing internal and external commitments.
Top Sights During Your Role Stay (Key Expectations):
· More than 3 years of Prior experience as Backend Developer in any SAAS product .
· Exposure to languages/ framworks like GoLang/Java/Node /Python / RUST will be preferred.Capacity to use SQL server with ease. Exposure to Redis / MongoDB/ PostgreSQL is desired.
· Should have worked with cloud platforms like AWS / Azure.
· A flair for creating well-presented software that is technically sound.
· Outstanding analytical, problem-solving, and communication skills.
· Excellent organizational and time management skills.
· Self-driven, flexible, and innovative.
Java - SSE/ Senior Developer
Singapore
Company Profile: Nucleus Software has been providing Products and Services to various Global and Regional Financial institutions, from past 36 years. As a pioneer IT Service provider, Nucleus carry deep banking domain expertise and experience on latest technological trends. Nucleus’s developed platforms powers the operations of more than 150 institutions in 50 countries, supporting multiple business veritcals, accessible through Mobile and internet channels
JOB ROLE & RESPONSIBILITIES
- Develop & support application through all stages of the project life cycle, including Design, Construction, Testing support and Warranty support
- Having experience in Java 1.6 and above, JEE, Spring, Struts,microservices ORM and Oracle.
- Good understanding of Design Principles and Object-Oriented Programming
- Develop Low level design documents
- Responsible for Coding, Developing Test cases using Junits, Unit Testing
- Adhering the schedule and scope of the project
- Ensure to follow the Technology and Process standards set for the project
- Produce high quality technical delivering for the customer
- Interact with project lead to review technical deliverables
Key deliverables
- Design and Develop Programs with high quality and agreed processes, within the planned schedule
- Review Unit Test Cases with Project Lead
- Design, Develop and Unit Test
- Technical Design documents (LLD)
- Support throughout testing, implementation and warranty phases
Desired for the Position:
- Hands on experience in Designing and Developing web applications using Java EE platforms (Spring, Struts, EJB), ORM and Oracle Database)
- Strong background of Object-oriented analysis and design using common design patterns
- Profound insight of Java and JEE internals (Class loading, Memory Management, Transaction management etc)
- Good knowledge of Relational Databases (Oracle) and PL/SQL
- Carries good analytical and communication skills
Location: Base: Chennai , Bangalore and Noida, Projects-Singapore
Package: upto 17 L
Experience: 5 yrs
What we are scouting for
- BS/MS in computer science or equivalent work experience in IT
- 2+ years’ experience designing and developing applications using Java EE platforms
- A strong hands-on programming knowledge in Core Java including Java 8. To solve the problem given in optimized way.
- Strong knowledge on the Data structure and algorithm.
- Experience developing and designing API integrations using SOAP/RESTful
- Should be able to understand the time complexity of the existing algorithm. Able to compare different algorithms available.
- Expert understanding of the object-oriented design and programming concepts
- Know the fundamentals of Object-Oriented Programming using Java;
- Used SQL & NoSQL solutions
- Experience in GIT/SVN, build tools such as Ant/Maven/Gradle
- Experience in JUnit, Sonarqube, Mockito, Jacoco, Maven & Jenkins
Technical Competency – Nice to have
- Experience in Dependency Injection, Annotation, Validations, Auto Wiring
- Good knowledge in internal working on Memory Management, Transaction management
- Knowledge on DevOps pipeline tools like Jenkins, tools for Code quality scan, tools for security scan
- Spring boot
- Spring MVC
- Any Java Certification
Behavioural Competency
- Strong interpersonal communication skills
- Ability to lead self and team toward common goals
- Excellent oral and written communication, presentation, and analytical skills
- Excellence in technical communication with peers and non-technical cohorts
What you will be doing
- As a self-motivated and enthusiastic member of our team, you will work with extremely talented peers in a fun environment building performance efficient payment authorization services that are highly scalable, configurable and available
- You’ll work in an Agile environment with a focus on problem solving and engineering excellence.
- Worked independently and as a member of a team, determined to make active contributions to the assigned Team
- Flexible and adaptable approach to the roles assigned to you
- Ability to coordinate and prioritize tasks, and work in a fast paced and challenging environment
- Deliver on time under dynamics with a high level of integrity and flexibility, sense of urgency, attention to detail and quality standards
- Make a large impact on the design, architecture, and implementation of cutting edge products
- Work with other team members to investigate design approaches, prototype new technology
and evaluate technical feasibility
- Work in an Agile/Scrum environment to deliver high quality software
- Establish architectural principles, select design patterns and then mentor team members on their appropriate application
share your resume via mail. gsusmipriya@altimetrik
Job title- SSE/Associate Technical Lead/Technical Lead
Experience
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Extensive product development experience
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4-8 years experience in back end Java Development
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Possess advanced knowledge of object-oriented design and development (OOA/OOD).
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Team task assignment, mentoring and helping resolve issues
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Self-starter, ability to work with minimal supervision.
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Skilled at working collaboratively in a team-oriented environment.
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Excellent problem-solving skills. Curious and adept at researching project-related issues and challenges.
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Excellent debugging skills
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Experience in SOA and microservice deployment model.
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GWT development experience
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Experience of working in an Agile development model
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Mixed experience in different type of organizations - product start up and large enterprises
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Other Skills
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Strong Analytical skills
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Acumen for understanding customer's business goals
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Process oriented- Following current processes and partner in process improvement.
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Data oriented- Using data and knowledge base for solving current problem at hand and creating software knowledge base for future use.
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Ability to juggle multiple development and design tasks simultaneously.
| • Experience of over 5+ years with solid understanding of object-oriented design • Proficient in Java, J2EE and related technologies. • Experienced in using Spring Boot, messaging systems. • Good understanding of relational database performance concepts and usage of ORM frameworks such as Hibernate • Expert understanding of the object-oriented design and programming concepts • Strong Knowledge on Data Structures, Algorithms and Collections. • Solid experience building applications on top of RESTful APIs. • Knowledge/experience with Spring MVC • Stroing knowledge in developing and executing automated unit, functional and integration tests • Good communication and analytical skills. • Strong trouble shooting skills. |
- The ideal candidate must have experience in enterprise application design, system performance and scalability
- 5+ year experience in web services, distributed systems, and highly available and scalable applications.
- Strong object-oriented programming skills in Java
- Very good knowledge of Core Java and J2EE and should have worked on high availability, low latency platforms.
- Ability to question status quo and identify bad design/code patterns which can impact performance and maintainability of the code.
- Excellent understanding of system design and design patterns.
- Previous experience with the Agile methodology.
- Experience in developing robust RESTful services is desirable.
- Have very good communication skills
- Have strong experience in the Spring framework.
- Good experience in SQL/Oracle
- BS degree in computer science or related fields. MS degree desired








