
Role: Senior Backend Developer
Exp: 4 - 7 Years
CTC: up to 22 LPA
Key Responsibilities
- Design, develop, and maintain scalable applications using Java (Spring Boot) and Python (Flask).
- Build RESTful APIs and microservices following best practices.
- Implement event-driven architecture leveraging NATS messaging server.
- Deploy, manage, and optimize applications in Kubernetes and containerized environments.
- Develop and manage CI/CD pipelines, ensuring smooth deployment and delivery.
- Collaborate with cross-functional teams to deliver high-quality solutions.
- Write clean, maintainable, and well-documented code.
- Participate in code reviews and contribute to architectural decisions.
- Troubleshoot, debug, and optimize application performance.

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JOB DESCRIPTION
Experience: 3-5 years
Location: Bangalore
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. - 3-5 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.
Job Description
Key Responsibilities:
- Design, develop, test, and deploy high-quality backend solutions using Java and Spring Boot.
- Build and maintain scalable microservices that interact with various data sources and front-end applications.
- Develop RESTful APIs for internal and external consumption.
- Write clean, maintainable, and efficient code following best practices and coding standards.
- Collaborate with cross-functional teams including front-end developers, QA, and DevOps.
- Troubleshoot and resolve technical issues across environments.
- Participate in code reviews, unit testing, and integration testing.
- Ensure application performance, uptime, and scale by identifying and resolving bottlenecks.
Required Skills & Qualifications:
- Strong proficiency in Java (8 or higher).
- Hands-on experience with Spring Boot framework.
- Experience in developing RESTful APIs and understanding of HTTP protocols.
- Solid understanding of Microservices architecture and related patterns (e.g., service discovery, circuit breaker).
- Familiarity with relational and NoSQL databases (e.g., MySQL, PostgreSQL, MongoDB).
- Understanding of containerization tools (e.g., Docker) and orchestration tools (e.g., Kubernetes) is a plus.
- Knowledge of CI/CD pipelines and version control tools like Git.
- Excellent problem-solving skills and attention to detail.
- Good communication and teamwork skills.
Preferred Qualifications:
- Experience with cloud platforms such as AWS, Azure, or GCP.
- Familiarity with message brokers like Kafka or RabbitMQ.
- Exposure to Agile/Scrum development methodologies.
- Programming Language: Python (Strong knowledge)
- Concurrency & Parallelism: Multithreading, Multiprocessing, AsyncIO, ThreadPoolExecutor, Future, concurrent.futures
- Memory Management: Reference Counting, Global Interpreter Lock (GIL)
- Distributed Computing: Dask, Apache Spark (Preferred)
- Data Processing: NumPy
- Inter-Service Communication: GRPC, REST API
- Containerization & Orchestration: Docker, Kubernetes
- Software Development Practices: Code Optimization, Debugging, Performance Tuning
- Communication & Problem-Solving: Technical Documentation, Team Collaboration, Asking for Clarity When Needed
Skills And Expertise
- Python,
- Multithreading,
- Multiprocessing,
- Dask, Apache Spark,
- NumPy,
- REST API,
- Docker,
- Kubernetes,
- Code Optimization
Job Description:
|
Key Responsibility Areas: |
· Design, build and deliver Enterprise software solutions. · Write code with standards and conventions and follow best practices. · Encourage and lead innovation and solid lifecycle processes. · Collaborate with development teams on work definition, estimation and prioritization · Lead and grow as a professional software engineer. · Full ownership of product deliveries and mentoring junior team members. · Preparing curriculum to train junior developers for Java Web Development · Strong client interactions to provide excellent Quality of Service. · Owning the code base and making sure all code is reviewed and is of very high quality. · Write and modify coding conventions and standards documents for all development |
|
Required Skills: |
Technologies/Frameworks – · Core Java, J2EE, · Spring Core and Spring MVC, Sprint Boot, Spring Security, · JDBC, Hibernate, RESTful APIs, SOAP WebServices · Knowledge of JavaScript, JQuery, AJAX, HTML5, and CSS3, Angular is added advantage · Junit or Mockito frameworks · Maven, Git · Knowledge Data Structures, · SQL, MySQL · Designing relational database schemas · Basics of AWS, Cloud, Microservices
· BFSI, FinTech |
|
Qualification |
B.E., B.Tech. from reputed institutes with good academic record |
Java Developer/Software Developer
Experience: 3 - 7 years
Qualification: MCA/B.Tech
Vacancy: 10
Roles and Responsibilities
- Contribute to 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.
- Skill Set: Springboot Framework, Java
Note – Only candidate ready to join immediately can apply.
• Excellent interpersonal/communication skills, both verbal and written •
• 7+ years of experience in Java/Node.js, REST/Graph QL, Redis on AWS Fargate • Design and develop high quality back-end code (Node.js/Go/JAVA) • Excellent in one or more Go, Java, Node.js skills • In-depth knowledge of Restful / GraphQL API, JSON.
• Experience with CI/CD and tools like Git, Bitbucket and Jenkins.
• Solid understanding of relational databases (e.g., Postgres, MySQL) and experience in NoSQL (e.g., Graph DB, MongoDB, DynamoDB).
• Developing new software applications, features, and distributed services that support a high-scale web application
• Experience working in a fast-paced environment; continuous deployment, test-driven development, agile methodologies
• Stay current with the latest back-end technologies and best practices and share your findings with the team
• Help evolve our backend stack and mentor our other developers when it comes to patterns and best practices
• Work as part of an agile team across a variety of application domains
• Write structured, tested, readable and maintainable code • Participate in code reviews to ensure code quality and distributed knowledge
• Ability to contribute to each step of the product development process (ideation, implementation, and release)
• Experience with performance tuning, profiling, and debugging applications
We are looking for a highly motivated senior developer with at least 3+ years of strong hands-on experience in Java to join our startup. You would be playing pivotal role in contributing to the initial tech stack. You would be further responsible for designing and implementing product requirements that are highly usable, scalable, extensible and maintainable. You should be comfortable on working across different technologies/frameworks that we work on - Microservices, Java, Spring, Spring Boot, MySQL, Kubernetes, AWS.
Responsibilities and Duties:
- Design and build scalable REST APIs on Spring Boot
- Develop, test, tune for performance and deploy microservices
- Collaborate with the team, optimize and refactor the back-end architecture
- Maintain high standards of quality for code, documentation and other deliverables
- Active cross-team coordination would be expected
- Architecture and tech stack discussions to optimize for increasing server load
- DevOps tasks along with AWS features exploration
What are we looking for?
- Strong 3+ year experience in Core Java & backend technologies
- Good working knowledge of design patterns & OOAD
- Excellent analytical and problem-solving skills
- The skills that we consider: Java, MySQL/RDS, Spring/ Play, Maven, Redis, Kafka/SQS, Elasticsearch, AWS
- Experience with designing, implementing and deploying microservices
- Previously worked in a startup
MCA /B.E/B.Tech/BCA
Experience
3-4 years: 2 Position
Core Skill Sets
Core Programming Language*: JAVA 7/8 or above
o Command on basics/core.
o Knowledge of OOPS concept.
o Problem solving skills using Collections/Java Beans/OOPS concept.
Web Programming Language*: J2EE
o Knowledge of MVC architecture [Servlet (or) Struts 2 (or) Spring].
o Able to debug and deploy web-application.
Database*: Preferably Oracle/MySql
o Able to write sql queries.
o Knowledge of sql joins.
o Basic idea of stored procedures.
Additional Skill Sets
XML/JSON/CSV
o Knowledge of understanding XML/JSON/CSV documents.
Web-service
o Knowledge of understanding web-service (REST Full).
o Testing web-services via some tool (e.g. Postman).
Web/Application Server*: Apache/Tomcat/JBoss/Weblogic/Websphere
o Basic deployment experience on web applications.
OS Platform*: Linux.
o Knowledge of shell commands like create directory, change permission/owner,
move/copy files/folder, check process running and crontab.
o Knowledge to work and use putty.
Development Tool*: Eclipse/NetBeans.
Purpose of the Position
Perform day-to-day support activity at the client side.
Monitoring all the application components as part of the daily monitoring process to make sure the components and services are functional.
Regularly monitor the logs of the components and services and identify and debug the
errors if any and accordingly co-ordinate with the off-shore team if needed.
Support off-shore team to help deploy their application components and services.
Perform basis debugging activity to identify any issue present in the client environment and provide the details to the off-shore team.
About Company :
IRIS Business Services Limited is one of the first providers of full professional XBRL products and solutions to organizations globally. The company headquartered in Mumbai, India with international offices in United States, Singapore, United Kingdom, and the UAE.
IRIS is a direct member of XBRL International and XBRL US. The Company has over eighteen years of proven expertise in the financial information management space, providing customized technology solutions for data and content management, for the dissemination of information to investors and stock exchanges, and for effective content management to institutional clients.
Over the last seven years, IRIS has been very closely involved in the XBRL space, in taxonomy creation, software solutions and in the conversion of structured and unstructured data into XBRL for SEC filing in the US. IRIS has multidisciplinary skills in XBRL as well as in technology. Taxonomy experts, software engineers, business analysts and accountants come together to provide a complete range of products and services across the XBRL supply chain.
For more information, please visit http://www.irisbusiness.com
Who are able to work individual as well as Team work with Good Speed and accurecy.










