
JOB DESCRIPTION
Experience: 4-7 years
Location: Mumbai
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. - 4-7 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
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, hands-on Backend Team Lead to architect and deliver robust, scalable systems while mentoring a team of developers. The ideal candidate will bridge strategic technical vision with practical execution, ensuring high-quality solutions aligned closely with business objectives and technology best practices.
Responsibilities:
● Architect, design and deliver mission-critical modules end-to-end
● Write production-grade code daily; lead reviews, debugging, refactoring
● Embed TDD, CI/CD, design principles, and engineering best practices
● Develop high-performance, scalable backend systems that power global products
● Partner with Team Lead, PMs, QA, and product designers to define and execute features
Criteria:
● 6+ years of backend development experience; 2+ years in technical leadership
● Experience in leading a team of atleast 3-4 engineers
Preferred Skills:
● Extensive experience with Laravel, Node.js, Python, MySQL, MongoDB
● Passionate about writing clean, testable, modular code using design patterns
● Solid understanding and experience with cloud infrastructure, preferably AWS (ECS, Aurora, Lambda, S3, CloudFront etc), including scaling, and security best practices.
● Demonstrated expertise in building and maintaining systems using a microservices architecture, with an emphasis on scalability, reliability, and maintainability.
● Familiarity and practical experience with asynchronous communication between microservices using tools like Kafka etc, event-driven architectures, and messaging patterns at scale.
● Proven capability in designing inter-service communication protocols to optimize system performance, resilience, and latency under heavy loads.
● Startup exposure—comfortable with ambiguity, learning quickly, pivoting often
● Excellent communicator, collaborator, and mentor
What we offer:
● An exceptional team: Our hiring bar is high and your colleagues are talented, motivated self-starters.
● A learning environment: We are a learning organization and as a team we will help you grow and encourage you to learn and upgrade your skills.
● Outstanding compensation: top talent deserves top pay and our salary, equity and benefits reflect this.
● Opportunities to grow: Encourages you to attend technical conferences and take company funded educational courses to advance your skills.
● An opportunity to be a key member of a well-capitalized leading brand in online real estate investing platform.
Key Responsibilities
- Design, develop, test, and deploy robust Java-based applications.
- Build and maintain scalable RESTful APIs and Microservices.
- Collaborate with cross-functional teams including Product, QA, DevOps, and Business stakeholders.
- Optimize application performance and troubleshoot production issues.
- Participate in code reviews and ensure adherence to coding standards and best practices.
- Develop secure and high-performance applications.
- Contribute to CI/CD pipeline implementation and automation.
Required Skills
- 5+ years of experience in Java development.
- Strong knowledge of Java 8/11/17 and Object-Oriented Programming concepts.
- Experience with Spring Boot, Spring MVC, Spring Data JPA, Hibernate.
- Hands-on experience in Microservices Architecture.
- Strong expertise in designing and consuming REST APIs.
- Experience with SQL databases (Oracle, MySQL, PostgreSQL).
- Knowledge of Git, Maven/Gradle, and version control practices.
- Experience with Kafka/RabbitMQ or other messaging platforms.
- Understanding of design patterns and software development best practices.
- Familiarity with Agile/Scrum methodologies.
💡 Hiring: Java Developer & Support Engineer (Splunk) at Deqode
🔷 Experience- 6+ Years
🔷 Mode- Remote (Night Shift)
⏱️ Notice Period - Immediate joiners
(Only immediate joiners & candidates serving notice period)
We’re looking for a talented Java Developer & Support Engineer with strong skills in Java, Application Support, Splunk, and SQL (Insert/Update queries). You’ll develop Java apps, handle L2/L3 support, write and optimize SQL queries, and use Splunk for monitoring and analysis.
✅ Must Have:
- Solid Java/J2EE development experience
- Strong troubleshooting & production support skills
- Proficiency with SQL (Insert, Update, Delete, Select queries)
- Good knowledge of Splunk dashboards & log analysis
- Strong communication & problem-solving abilities
Skills Required:
- 4+ years of technical experience in a developer role
- Strong proficiency with Core Java
- Database experience preferably with DB2, Sybase, or Oracle
- Complete SDLC process and Agile Methodology (Scrum)
- Strong oral and written communication skills
- Excellent interpersonal skills and professional approach
- Bachelor’s degree in Computer Science, MIS, or other technology/engineering discipline
Skill Desired:
-Strong proficiency with Scala on Spark
- Previous experience in front office and back office reports
- Strong understanding Order Life Cycle management from Equities or Listed derivatives perspective
- Previous experience in Trade Surveillance or working with data from the order lifecycle
- Good to have knowledge on Hadoop Technologies
- High quality software architecture and design methodologies and patterns
- Work experience as level-3 support for applications
- Layered Architecture, Component based Architecture
- XML-based technologies
- Unix OS, Scripting, Python or Perl
- Experience in development on other application types (Web applications, batch, or streaming)
Responsibilities include:
- Coordinate and clarify the requirements and technical issues (including client interaction)
- Support creation of high and low level design
- Development and maintenance of automation code
- Build reusable Business objects as required
- Review the automation implemented code
- Deploy the code to multiple environments phase wise
- Provides regular status updates to clients and management
- Participates in research/design/implementation of appropriate automation tools
- Develop .net libraries using C# /.Net
- Design and develop SQL scripts – Stored procedures, queries, and functions
- Perform unit testing, support systems integration testing and UAT testing
- Raise ticket and co-ordinate with IT team and CS team
- Analyze, estimate and implement special projects
- Effectively manage multiple priorities / assist with various projects as they arise.
- Accurately track, monitor, and report progress and obstacles
- Travel requirements will be modest, working hours must be flexible to deal with international time zone and key process owners located throughout the world.
Education, Experience, & Required Skills:
- Bachelor degree in Computer Science, Computer Engineering or equivalent is required
- 7+ years of overall IT experience
- 2+ years of overall development experience with leading RPA tool.
- Certified RPA Tool (UiPath, UiPath X, Blue Prism, Automation Anywhere) as developer
- Programming experience in Java, .Net, C, C#, .Net, Python
- Sufficient knowledge of RDBMS like ORACLE / MS SQL Server and SQL tools
- Knowledge in developing & understanding excel macros codes.
- Knowledge in Power BI, Excel Macro, web forms, mobile applications are preferable.
- Knowledge of service oriented architecture is preferable.
- Knowledge in Finance & Accounting domain is preferable.
- Strong written and verbal communication skills
- Excellent organization and communication skills.
- Effectively interact with various levels of management.
- Ability to multitask.
Responsibilities:
- Develop and deploy services to improve the availability, ease of use/management, and visibility of 6sense systems
- Architecting, building, and scaling out our services and infrastructure
- Learning and adopting technologies that may aide in solving our challenges
- Own our systems like our Hadoop and Presto clusters, front/back-end services, build configurations, infrastructure components, deployment of services into our infrastructure, and everything in between
- Write/review/debug production code, develop documentation and capacity plans, and debug live production problems
- Contributing back to open-source projects if we need to add or patch functionality
- Support the overall Software Engineering team to resolve any issues they encounter
Minimum Qualifications:
- 5+ years in a Software Engineering role or equivalent experience
- 1+ years of experience with Linux/Unix system administration and networking fundamentals
- Strong skills in reading code as well as writing clean, maintainable, and scalable code
- Good knowledge of Python and Java
- Experience designing, building, and maintaining scalable services and/or service-oriented architecture
- Experience with high-availability
Bonus Requirements:
- Experience with modern configuration management tools (e.g. Ansible, Chef, Puppet) and idempotency
- Exposure to modern build systems such as Bazel, Buck, or Pants
- Knowledge of the Hadoop ecosystem (e.g. Hadoop, Hive, Presto) including deployment, scaling,
- and maintenance
- Knowledge of standard security practices
- 1+ years of experience working with Kubernetes, Docker
- Good knowledge of Javascript
Responsibilities:
- Develop back-end server that includes business logic linked to various data storage solutions including database.
- Design back-end server system by using technology appropriate for server environment.
- Develop and maintain Rest services for Samsung Pay Develop RESTful services that are highly scalable, available, maintainable.
Requirements:
- Excellent Programming Skills.
- Strong problem-solving abilities.
- Analytical skills, and troubleshooting.
- Good understanding of algorithms, data structures, and performance optimization methods.
- Hands-on with Design, Coding, Debugging, and Testing.
- Excellent Communication & Interpersonal Skills, Team Player.
Programming Skills:
- C, C++, and/ Java Jquery, Spring, Struts. Hibernate, iBatis, Node.js Web Services, Web Security, MySQL.
- Memcache/Redis, Cassandra/HBase, MongoDB/CouchDBMap Reduce, Hadoop, Spark, Hive, Mahout.
- Fast Data Processing - Storm - Rules Engine - Drools.
You have 7 years or more of backend development experience with expertise in designing and
implementing high-performance applications.
Worked with and built high performance products using Node Js/GoLang/ Python and have seen
the product evolution cycle from PoC to Production
You have a deep understanding of design principles and can rightly judge/implement solutions to
complex problems
You are capable of writing high-quality code that conforms to the standards and best practices in a
particular language/framework.
You have experience building a product using a mainstream library or framework.
You love to own end to end responsibility, starting from defining the problem statement (either
yourself or alongside your peers), development (PoC if needed), testing, releasing in staging & then
production environment, and finally monitoring.
Preferred Notice Period - Less Than 1 Month
Preferred Education - Tier 1 Engineering Colleges - IIT/NIT/DTU or similar
Preferred Work Background - Startup Engineering Experience
Job brief
- We are looking for a Java Developer with experience in building high-performing, scalable, 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.
- Java developer responsibilities include designing, developing and delivering high-volume, low- latency applications for mission-critical systems.
Responsibilities
- Contribute in all phases of the development lifecycle
- Write well designed, testable, efficient code
- Ensure designs are in compliance with specifications
- Prepare and produce releases of software components
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
Requirements
- BS/MS degree in Computer Science, Engineering or a related subject
- Proven hands-on Software Development experience
- Proven working experience in Java development with Spring Framework
- Hands on experience in designing and developing applications using Java EE platforms
- Object Oriented analysis and design using common design patterns.
- Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management etc)
- Excellent knowledge of Relational Databases, SQL and ORM technologies (JPA2, Hibernate) - Experience in the Spring Framework
- Experience as a Sun Certified Java Developer
- Experience in developing web applications using at least one popular web framework (JSF, Wicket, GWT, Spring MVC)











