
Job Description:
As per our conversation, please find below the job description for your review.
· Strong written/verbal communication skills
· Minimum 5-14 Years of Core Java Programming with Collections Framework, Concurrent Programming, Multi-threading (Good knowledge in Executor service, Forkjoin pool and other threading concepts)
· Good knowledge of the JVM with an understanding of performance and memory optimization.
· Extensive and expert programming experience in JAVA programming language (strong OO skills preferred).
· Excellent knowledge on collections like, Array List, Vector, LinkedList, HashMap, Hash Table, HashSet is mandate.
· Exercised exemplary development practices including design specification, coding standards, unit testing, and code-reviews.
· Expert level understanding of Object-Oriented Concepts and Data Structures
· Good experience in Database (Sybase, Oracle, or SQL Server) like indexing (clustered, non clustered), hashing, segmenting, data types like clob / blob, views (materialized), replication, constraints, functions, triggers, procedures etc.
· While you may already know about Wissen and the company history, here is a quick rundown for you.

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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Role Overview:
We are seeking a motivated .NET Developer with around 2 years of experience to join our backend development team. The ideal candidate should have hands-on experience in C#, ASP.NET Core, and SQL, with a strong understanding of object-oriented programming and API development. You will work closely with product, DevOps, and QA teams to build and enhance backend systems
supporting our trading and fintech platforms.
Key Responsibilities:
• Develop, maintain, and enhance backend applications using .NET Core / ASP.NET MVC.
• Design and implement RESTful APIs for integration with frontend and third-party systems.
• Write clean, scalable, and efficient code following best practices.
• Work with SQL databases (preferably MS SQL Server) to design schemas, write queries, and
optimize performance.
• Collaborate with product managers and frontend teams to translate requirements into technical solutions.
• Participate in code reviews, debugging, and troubleshooting production issues.
• Contribute to improving application performance, scalability, and security.
Required Skills & Qualifications:
• Bachelor’s degree in Computer Science, Engineering, or related field.
• 2 years of experience in .NET development.
• Strong proficiency in C# and ASP.NET Core / ASP.NET MVC.
• Experience with Web APIs and RESTful architecture.
• Good knowledge of Entity Framework / LINQ.
• Hands-on experience with MS SQL Server or other relational databases.
• Understanding of OOP principles, design patterns, and software architecture concepts.
• Familiarity with Git or other version control systems.
• Basic understanding of HTML, CSS, and JavaScript (for integration purposes)
Job Title: Java Developer
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 14 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 clientfacing 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.
Role Summary
We are hiring a Senior Java Developer with strong backend development experience to build scalable, high-performance applications and lead technical initiatives.
Key Responsibilities
- Develop and maintain applications using Java 8/11/17, Spring Boot, and REST APIs.
- Design and implement microservices and backend components.
- Work with SQL/NoSQL databases, API integrations, and performance optimization.
- Collaborate with cross-functional teams and participate in code reviews.
- Deploy applications using CI/CD, Docker, Kubernetes, and cloud platforms (AWS/Azure/GCP).
Skills Required
- Strong in Core Java, OOPS, multithreading, collections.
- Hands-on with Spring Boot, Hibernate/JPA, Microservices.
- Experience with REST APIs, Git, and CI/CD pipelines.
- Knowledge of Docker/Kubernetes and cloud basics.
- Good understanding of database queries and performance tuning.
Nice to Have
- Experience with messaging systems (Kafka/RabbitMQ).
- Basic frontend understanding (React/Angular).
Task:
- Design, implement and maintain Java application phases
- To take part in software and architectural development activities
- Conduct software analysis, programming, testing and debugging
- Identifying production and non-production application issues
- Transforming requirements into stipulations
- Develop, test, implement and maintain application software
- Recommend changes to improve established Java application processes
- Develop technical designs for application development
- Develop application code for Java programs
We wish:
- Minimum 7 years of experience with excellent Java development skills
- Demonstrable hands-on experience of delivering solutions in a JavaEE 6 environment
- Open-source frameworks and standards Hibernate, Spring JDBC
- Hands-on experience with tools such as: Ant, Eclipse, Maven, SVN, SoapUI, JIRA, Bamboo
- WS concepts and protocols: WSDL, REST, SOAP, JMS, XSLT, XML Schema
- Experienced with one or more open-source ESB products (JBOSS FUSE ESB, Apache Camel, Apache servicemix) and / or message-oriented middleware and Active MQ, JMS
- Strong Java unit test skills
- Good experience in design patterns & design principles
- Experience with Webservices, PLSQL and SQL (Oracle 10g or above)
- Experience in Oops development with Core Java
- Desirable:
- Experience with: Elastic Search, Smooks, Lucene, Jasper, Report
- Domain driven design
- Experience with NoSQL technologies: Casandra, Mongo DB
- Experience with agile development practices (Eg Scrum) and continues integration environment
- J2EE application and web containrs such as GlassFish, Jetty, Tomcat
- CMMi-5 level process experience advantage
We Offer:
- Freedom to realize your own ideas & individual career & development opportunity.
- A motivating work environment, flat hierarchical structure, numerous company events which cannot be forgotten and fun at work place with flexibilities.
- Professional challenges and career development opportunities.
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
1. Cloud Backend Design along with data storage and backup solutions. 2. Backend APIs and System Design and Integration with IoT Devices, web and mobile applications.
3. Building reusable code and libraries for future use
4. Optimization of the application for maximum speed and scalability
5. Implementation of security and data protection
6. Design and implementation of data storage solutions
Required Skills:
1. Demonstrated history of designing and implementing Cloud-based Microservices Applications using AWS or GCP.
2. 5+ years of hands-on experience using core Java and SpringBoot framework.
3. Good Understanding of Serverless Architecture and Event-Driven Systems.
4. Understanding Product requirements and translating them into technical specifications and development using Agile methodology.
5. Understanding accessibility and security compliance on AWS/GCP and Spring Boot and Flask.
6. Good understanding of Data structures and Algorithms.
7. AWS Skills Required: AWS Lambda, DynamoDB, SNS, SQS, S3, IoT Core, Kinesis Streams, Elastic Beanstalk, EC2, IAM, Elastic Cache, API Gateway.
Good To have:
1. Knowledge of Kubernetes or other container orchestration tools.
2. Python and Flask.
3. Google Cloud Platform and Firebase
- Bachelor's degree in Computer Science or a related field with 2-5 years hands-on experience with Java based open source tech stack
- Expertise in Core Java, Data Structures, J2EE with proven expertise in Spring MVC, Spring boot, Microservices architecture, Web Services (Rest) in distributed systems
- Practical experience with MySQL and /or NoSQL databases like Couchbase, DynamoDB, Cassandra
- Practical experience with Caching frameworks Memcached/Redis, Message Queues (JMS, RabbitMQ)
- Practical hands-on experience in JavaScript UI preferred
- Experience in building high performance, high availability REST APIs and REST clients
- Expertise with log file analysis using one or more of ELK, or Splunk
- Prior experience with CI/CD, Container architecture - Docker/Jenkins and build scripts Maven/Ant
- Prior experience in transformation to cloud platforms is preferred
- Experience with Kafka is a definite plus
- Experience with building analytics pipeline and analytics DB is a plus
- Strong practical experience in applying design patterns, multithreading concepts to solve complex problems, strong problem solving skills
Biddano is seeking for an analytical, result driven, multi-skilled candidate for design for the position of Backend Developer. He/She will be responsible for programming languages and tools to analyze current codes and industry developments, formulate more efficient processes, solve problems and create a more seamless experience for users.
The ideal candidate will have strong personal accountability for results, strong commitment to teamwork in support of the company's success, adherence to ethical business practices, and comfort operating in a start-up environment with an ability to prioritize and drive actions to closure.
a start-up environment with an ability to prioritize and drive actions to closure.
Backend Developer
Responsibilities:
- Participate in the entire application lifecycle, focusing on coding and debugging
- Write clean code to develop functional REST APIs Using Django/Python or NodeJs
- Troubleshoot and debug applications
- Perform unit test cases to optimize performance
- Manage cutting-edge technologies to improve legacy applications
- Collaborate with Front-end developers to integrate user-facing elements with server side logic
- Gather and address technical and design requirements
- Provide training and support to internal teams
- Build reusable code and libraries for future use
- Liaise with developers, designers and system administrators to identify new features
- Follow emerging technologies
Skills Required:
- Proven work experience as a Back-end developer
- In-depth understanding of the entire web development process (design, development and deployment)
- Hands on experience with programming languages like Python (Required), typescript(Required), Java.
- Working knowledge of CMS framework
- Familiarity with back-end languages (e.g. HTML, JavaScript and CSS)
- Excellent analytical and time management skills
- Backend:
- Django/DjangoREST, Python (Prefered) or NodeJs.
- Good experience of microservices.
- Hosting and Deployment Solutions:
- Good understanding of AWS which includes(All required):
- Good expertise in Linux.
- EC2 instance management.
- Scalability (Horizontal or Vertical) which includes autoscaling.
- Proper use of S3 for static file management.
- SNS or AWS email service.
- AWS resource cost optimization.
- Proper knowledge of Load Balancers.
- Teamwork skills with a problem-solving attitude
Experience :
- Minimum 4-7 years of experience as a Backend Developer
- B.tech Computer Science, Engineering or similar relevant field












