
JOB DESCRIPTION:
- Design, develop, and maintain low-latency, high-performance enterprise applications using Core Java (Java 5.0 and above).
- Implement and integrate APIs using Spring Framework and Apache CXF.
- Build microservices-based architecture for scalable and distributed systems.
- Collaborate with cross-functional teams for high/low-level design, development, and deployment of software solutions.
- Optimize performance through efficient multithreading, memory management, and algorithm design.
- Ensure best coding practices, conduct code reviews, and perform unit/integration testing.
- Work with RDBMS (preferably Sybase) for backend data integration.
- Analyze complex business problems and deliver innovative technology solutions in the financial/trading domain.
- Work in Unix/Linux environments for deployment and troubleshooting.
Required Skills & Experience:
- 4– 12 years of strong hands-on experience in Core Java.
- Deep understanding of Object-Oriented Programming (OOP), data structures, algorithms, and design patterns.
- Proven experience with Spring, CXF, and REST/SOAP web services.
- Solid understanding of microservices architecture and distributed systems.
- Experience working with Sybase or other relational databases.
- Expertise in multithreading, concurrency, and high-throughput server-side development.
- Exposure to capital markets, sales & trading platforms, or similar financial services applications.
- Good working knowledge of Unix/Linux environments.
- Experience in solution architecture and design documentation is a strong plus.
- Strong problem-solving skills, analytical thinking, and a proactive attitude.
- Excellent communication and interpersonal skills to work effectively with global teams.
Preferred Qualifications:
- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
- Previous experience in investment banking, capital markets, or financial technology domains.
Why Join Wissen Technology?
- Be a part of a high-growth organization that has expanded 400% in the last five years.
- Work alongside leadership and engineers from IITs, IIMs, MIT, Wharton, and other top institutions.
- Engage with Fortune 500 clients and deliver high-impact projects.
- Certified as a Great Place to Work®.
- Recognized as a Top 20 AI/ML Vendor by CIO Insider (2020).
- Work on next-gen technologies: AI/ML, Big Data, Cloud, DevOps, RPA, and more.
- Global presence across US, India, UK, Australia, Mexico, and Canada.
Website : www.wissen.com

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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Are you a backend engineering expert who thrives in high-growth startup environments?
Do you enjoy solving complex challenges with the latest technologies like Java 18+, Spring Boot 3+, and scalable microservices?
We’re looking for a Senior Software Engineer – Backend to help us build a world-class data science platform that powers cutting-edge AI solutions.
What You’ll Do:
🔹 Build and optimize scalable, secure backend systems
🔹 Collaborate with product owners & architects to shape business solutions
🔹 Deliver high-quality, production-ready code with best practices (unit testing, CI/CD, automation)
🔹 Work with modern tools like Kubernetes, Docker, NodeJS, React
🔹 Contribute to a high-performance engineering culture and drive innovation
What We’re Looking For:
✔️ 6+ years of experience with Java/Python, Spring Boot, REST APIs, microservices
✔️ Strong CS fundamentals, algorithms, and system design skills
✔️ Experience in secure web applications & scalable backend architectures
✔️ Knowledge of cloud (AWS/GCP/Azure), GitHub Actions, and Unix scripting
✔️ Startup mindset – fast learner, problem solver, impact-driven
🌍 Remote | High-growth environment | Global impact
Role Overview
The Senior Adobe Experience Manager (AEM) Developer will lead the design, development, and maintenance of Government of Rajasthan’s portal websites built on the AEM platform. This role involves leading technical solutions, performance optimization, security compliance, and guiding the development team.
Key Responsibilities
- Lead the design and development of complex components and templates in Adobe Experience Manager (AEM).
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- Develop and integrate custom OSGi bundles, Sling models, and components.
- Ensure performance tuning, caching strategies, and scalability of AEM solutions.
- Handle dispatcher configuration and optimization for content delivery.
- Collaborate with architects and project managers for solution design.
- Ensure compliance with Safe-to-Host and OWASP security standards.
- Mentor junior developers and review their code for quality.
- Integrate with third-party services (Payment Gateway, SMS Gateway, etc.).
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Required Skills
- 5+ years of experience in Adobe Experience Manager (AEM 6.3 or above).
- Strong expertise in Java/J2EE, OSGi, Apache Sling, JCR (Jackrabbit Oak).
- Hands-on experience with HTL (Sightly), HTML5, CSS3, JavaScript, jQuery.
- Good understanding of Dispatcher, Apache HTTP Server, and performance tuning.
- Knowledge of REST/SOAP APIs and system integration.
- Familiarity with Git, CI/CD tools (Jenkins).
- Excellent problem-solving and team leadership skills.
Preferred Certifications
Adobe Certified Expert (AEM Sites Developer or Architect).
• Design, develop, test and maintain backend services and APIs using Java and Spring Boot.
• Architect and implement microservices to ensure scalability and robustness of
applications.
• Create and maintain data pipelines to handle large volumes of data efficiently.
• Collaborate with cross-functional teams to gather requirements and deliver high-quality software solutions.
• Participate in code and design reviews to minimize rework and catch issues early in the process.
• Optimize and improve the performance, scalability, and reliability of our systems.
• Conduct code reviews and contribute to best practices in software development.
• Stay updated with the latest industry trends and advancements in Java and backend development technologies
- Contribute to all stages of software development lifecycle
- Design, implement and maintain Java-based applications that can be high-volume and low-latency
- Analyze user requirements to define business objectives
- Envisioning system features and functionality
- Define application objectives and functionality
- Ensure application designs conform with business goals
- Develop and test software
- Identify and resolve any technical issues arising
- Create detailed design documentation
- Propose changes to current Java infrastructure
- Develop technical designs for application development
- Develop multimedia applications
- Write well designed, testable code
- Conducting software analysis, programming, testing, and debugging
- Manage Java and Java EE application development
- Develop documentation to help users
- Transforming requirements into stipulations
- Prepare and produce releases of software components
- Support continuous improvement, investigating alternatives and technologies, and presenting for architectural review
Job Description
- Java engineer with 6-8 years of experience , person with strong Java, spring core, Springboot, Rest API , Microservices hands-on experience.
- Knowing Kafka is a plus.
- Well versed with CICD, Agile processes . good attitude, good communication skills.
Role
- Code development, testing, team coordination,
- Open to work on non-tech activities along with coding also.
- Should be ready and flexible to work from Impetus office and customer office as per the requirement of project.
Job Location: New Delhi
What you’ll do:
- Contribute to all phases of the Software development lifecycle
- Write well-designed testable, efficient code and complex code with Data Structure & Algorithms.
- Ensure designs are in compliance with specifications on Java and RestAPI.
- Prepare and produce releases of software component
- Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
- A Developer whose job includes writing complex code, testing, and fixing bugs.
- Maintain, design the database and organize collected information.
- A specialized programmer who focuses on multiple types of development.
What you’ll bring:
- 2 year to 5 years of proven hands-on Software Development experience.
- Strong experience in Java programming
- Expertise Knowledge of Data structures and Algorithms
- Proven working experience in a product-based organization (preferred)
- Understanding with Java frameworks Spring boot, Microservices and ORM frameworks.
- Must have the experience to design and build scalable REST APIs.
- Object-oriented analysis and design using common design patterns.
the core library/language constructs.
• Knowledge of processor, memory, network and storage internals. Familiarity with I/O optimized
algorithms.
• Deep understanding of distributed systems including fault modeling, concurrency, isolation,
consensus etc.
• Internals of a RDBMS like MySQL
• Conversant with the internals of systems like Kafka, Cassandra/Scylla, Redis, RocksDB etc
• Working knowledge of hosting and network infrastructure (K8s, Envoy, etc)
• Familiarity with binary serialization protocols like thrift/protobuf/flatbuffers etc
• Familiar with gRPC, HTTP/2, QUIC, etc.
• Troubleshooting memory issues, GC tuning, resource leaks etc.
• Strong problem-solving skills, algorithmic skills and data structures.
• Productionizing machine learning pipelines using Spark/Flink/TensorFlow etc
• Familiarity with big data concepts - HDFS, hive, presto, spark, oozie, ambari, airflow, atlas,
ranger, etc. Familiarity with formats like avro, parquet, orc, arrow etc
• Good understanding of branching, build, deployment, continuous integration methodologies
• Experience in leading a team and mentoring engineers
• Attitude to get Stuff Done!
• Ability to make decisions independently.
Desired Background:
• Bachelor’s or Master’s degree in Engineering from premier institutes preferred
• 8+ years of experience in software design, development & architecture
Fullstack Developer/Architect/Programmer:
- 8-10 years experience as Developer/Programmer.
- Should have an expertise in Core Java, Java & J2ee
- Built MVC based Web Application Using JSP/Struts framework
- Experience in Webservices-Restful
- Experience in Application Servers like Tomcat and WebLogic
- Good Knowledge of implementing JMS messaging services
- Good knowledge of HTML5,CSS and JavaScript – Angular.js,Bootstrap, React.js
- Should have skills in Spring 3.x, Hibernate, Weblogic 12c Implementation

Job Role – Technical Lead – Back End
Work Location - Bengaluru
Job Description –
Requirements
• 5+ years of experience in product companies
• Experience in software development and coding in multiple languages
• Experience in both front-end and back-end development with mastery in back-
end.
• Excellent knowledge of software and application design and architecture
• Understanding of software quality assurance principles
• Managed at least 4-5 engineers in their experience.
• High quality organisational and leadership skills
• Outstanding communication and presentation abilities
If you think you are one of them then please reply with your interest and we will take your candidature ahead for the next level of evaluation. Below information would be appreciated more:
Current CTC:
Expected CTC:
Notice Period:
Update Resume: please attach
Good exp in data structures, Java, algorithms, and in design, design patterns.
Exp-2-8yrs
Location- Bangalore, hyderabad, pune, gurgaon.
Regards
sanchita









