Java Developer

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. - 5 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.

Experience

9–18 Years

Education

IIT / NIT graduates only

Interview Process

Candidates must be available for a Face-to-Face interview in Bangalore or Mumbai.

Key Responsibilities

• Design and develop scalable, high-performance Java applications.
• Lead a team of engineers and drive technical excellence.
• Architect enterprise-grade solutions and provide technical guidance.
• Collaborate with cross-functional teams to define, design, and deliver high-quality software.
• Review code, mentor team members, and ensure engineering best practices.
• Drive system design discussions and resolve complex technical challenges.

Required Skills

• Strong expertise in Core Java and Java ecosystem.
• Excellent problem-solving and analytical skills.
• Very strong coding ability with clean coding practices.
• Strong understanding of System Design and distributed systems.
• Hands-on experience in Java Architecture and designing scalable applications.
• Experience leading engineering teams and mentoring developers.
• Good understanding of software design principles, design patterns, and performance optimization.
• Strong communication and stakeholder management skills.

Preferred Skills

• Experience with Spring Boot, Microservices, REST APIs, and cloud technologies.
• Exposure to CI/CD, containerization, and modern DevOps practices is an advantage.

Position Overview

We are seeking a skilled Developer to join our engineering team. The ideal candidate will have strong expertise in Java and Python ecosystems, with hands-on experience in modern web technologies, messaging systems, and cloud-native development using Kubernetes.

Key Responsibilities

• Design, develop, and maintain scalable applications using Java and Spring Boot framework
• Build robust web services and APIs using Python and Flask framework
• Implement event-driven architectures using NATS messaging server
• Deploy, manage, and optimize applications in Kubernetes environments
• Develop microservices following best practices and design patterns
• Collaborate with cross-functional teams to deliver high-quality software solutions
• Write clean, maintainable code with comprehensive documentation
• Participate in code reviews and contribute to technical architecture decisions
• Troubleshoot and optimize application performance in containerized environments
• Implement CI/CD pipelines and follow DevOps best practices
•  
• Required Qualifications
• Bachelor's degree in Computer Science, Information Technology, or related field
• 4+ years of experience in software development
• Strong proficiency in Java with deep understanding of web technology stack
• Hands-on experience developing applications with Spring Boot framework
• Solid understanding of Python programming language with practical Flask framework experience
• Working knowledge of NATS server for messaging and streaming data
• Experience deploying and managing applications in Kubernetes
• Understanding of microservices architecture and RESTful API design
• Familiarity with containerization technologies (Docker)
• Experience with version control systems (Git)
•  
• Skills & Competencies
• Skills Java (Spring Boot, Spring Cloud, Spring Security)
•  
• Python (Flask, SQL Alchemy, REST APIs)
• NATS messaging patterns (pub/sub, request/reply, queue groups)
• Kubernetes (deployments, services, ingress, ConfigMaps, Secrets)
• Web technologies (HTTP, REST, WebSocket, gRPC)
• Container orchestration and management
• Soft Skills Problem-solving and analytical thinking
• Strong communication and collaboration
• Self-motivated with ability to work independently
• Attention to detail and code quality
• Continuous learning mindset
• Team player with mentoring capabilities

Job Role: We are seeking a skilled Java Developer to contribute to the development and enhancement renowned banking application, which supports automatic reconciliation and unified data reporting for their clients. This role involves working on high-impact enhancements, data pipeline integration, and platform modernization. The ideal candidate will be a quick learner, self-motivated, and able to ramp up quickly in a fast-paced environment. 

Key Responsibilities:

 Design, develop, and maintain Java-based applications using Java 17 and Spring Boot.

 Implement and manage message routing using Apache Camel.

 Develop and monitor data pipelines using Kafka.

 Support and enhance existing cloud-native applications.

 Work with OpenShift Container Platform (OCP 4) for container orchestration and deployments.

 Utilize Jenkins for CI/CD pipeline automation and management.

 Collaborate with cross-functional teams to integrate multiple data sources into a unified reporting platform.

 Participate in code reviews, unit testing, and performance tuning.

 Troubleshoot and resolve production issues in collaboration with operations teams.

 Document development processes and system configurations.

Required Skills:

 Strong proficiency in Java 17 and Spring Boot frameworks.

 Hands-on experience with Apache Camel for message routing and transformation.

 Solid experience in Kafka development and monitoring tools.

 Good understanding of cloud pipeline architectures and deployment strategies.

 Experience working with OpenShift (OCP 4).

 Familiarity with Jenkins for CI/CD and automated deployments.

 Understanding of cloud deployment platforms (AWS, Azure, or GCP preferred).

 Strong analytical and debugging skills.

 Ability to learn quickly and adapt to evolving project requirements.

Nice to Have:

 Experience in financial services or transaction reporting platforms.

 Familiarity with microservices architecture and containerization best practices.

 Knowledge of monitoring tools (e.g., Prometheus, Grafana).

• New features developed independently with the ability to document the design after understanding and evaluating the requirements with necessary groundwork on required application components
• Hands-on coding to implement the design for feature completion
• Able to write unit tests that ensures bug free code
• Able to handle the multi-tenant and performance requirements of the new features and applications.
• Integrate the new features with existing modules, deliver ready to use code meeting necessary build requirements and CI/CD requirements.
• Work with other functional groups for product, technology, QA, tech support and deployment team.

‍

The ideal candidate must have the following qualifications.

• BE/B.Tech Degree from a reputed institution with at least 7 years of relevant experience
• Hands-on experience with Core Java, J2EE with a good knowledge of its ecosystem
• Experience with JUnit, JMH like performance tuning test tools preferred
• REST API design and development experience. Usage of Swagger or other API spec tools would be preferred. Working knowledge on Spring Boot is a plus
• Hands-on experience with some of the following application components is a plus: Solr, Kafka, OpenTSDB, Elasticsearch, Janus graph or any graph DB.
• Experience with databases such as MongoDB, MySQL or PostgreSQL required.
• Familiarity with continuous integration and build tools such as Jenkins or CircleCI, Maven, Ant required
• Experience building applications using microservices architecture is highly preferred. Knowledge of Kubernetes, Docker would be ideal
• Working knowledge on public clouds like AWS or Google cloud or Azure is a plus
• Experience building scalable systems
• Strong problem solving skills and ability and interest to solve complex problems
• Interest in machine learning (ML) data science is a plus

You Will:

• Lead, coach and mentor a team of 8-10 engineers so they all learn, grow, and succeed.
• Plan and prioritize work for your team, including collaborating with cross border teams.
• Provide oversight and accountability for technical decisions.
• Create an inclusive environment that attracts and retains high-performing engineers.
• You will collaborate with Developers, Program Managers, QA and Devops Engineers in an agile development environment.
• Constantly learn and grow as an engineer and an engineering leader.
• Demonstrate a passion for customers and technology.


You must have:

• Experience in the design, development, and deployment of large-scale enterprise applications with multiple tiers
• Exposure on agile test-driven development for robustness, usability, reliability, security and performance.
• Strong technical aptitude for any programming language, preferred, Core JAVA and Spring Boot and other Spring libraries, Eureka, Hystrix etc.
• Experience of creating architecture or developing web services using Open source technologies and to integrate applications with databases such as Oracle, MySQL, MongoDB, or Cassandra
• Solid understanding of OOPS, algorithms and data structures.
• Experience on Kafka / Scala / Storm / Elastic Search and Web Services like RESTful.
• Experience in building highly scalable distributed systems
• Extensive experience with version control systems (Git is preferred) and issue tracking systems (JIRA is preferred)

Big Pluses if you:

• Have a strong focus on business outcomes
• Are comfortable with collaboration, open communication and reaching across functional borders
• Are self-motivated and can get things done
• Have the ability to communicate and defend your ideas clearly
• Have a strong knowledge of threading, concurrency, scaling, and high availability.
• Have a desire to build products that users love

• Stay current with new and evolving technologies via formal training and self-directed education

Note : This job is for immediate joining. Please apply ONLY IF you can join immediately.

Experience :- Junior role : 1 to 3 years/Senior : 5 to 7 Years

Industry: FinTech / BFSI

Functional Area: Core Platform Programming, Maintenance

Role Category: Programming & Design

Role: Software Developer

Employment Type: Permanent Job, Full Time

Overview:

We are looking to hire Java developers who are well versed with Spring Boot, Hibernate, and RDBMS such as MySQL.

As we continue to grow our apps and site, we are looking for somebody to join our Engineering team and help build out the next set of kick-ass features.

If selected, you get to be a part of a small but committed group of technologists who are trying to improve how events are ticketed and marketed in India.

About the role:

• 2+ years of experience on Java, Spring Boot, Hibernate in medium to large-scale projects
• Must have experience with at least some flavours of both SQL (MySQL, Postgres) and NoSQL (MongoDB, ElasticSearch, Redis, DynamoDB etc) datastores in production
• Must have experience with Kafka or similar message queue systems in production
• Stellar problem solving skills
• Hunger to learn new things and ability to grasp new concepts quickly
• Ability to move quickly without breaking things too much (we are dreamers)
• Ability to work under immense pressure which is balanced by a sense of responsibility and ownership
• Should be able to groom juniors and take them to the next level

Perks :

• You get to work at a fun filled atmosphere
• Have ample chances of learning leadership, mentor-ship skills
• A solid salary package along with chance to get ESOPs 

Salary Range : 6 LPA to 12 LPA 

(based on qualifications, experience and skills)

• B Tech/BE or M.Tech/ME in Computer Science or equivalent from a reputed college.
• Experience level of 7+ years in building large scale applications.
• Strong problem solving skills, data structures and algorithms.
• Experience with distributed systems handling large amount of data.
• Excellent coding skills in Java / Python / Node / Go.
• Very good understanding of Web Technologies.
• Very good understanding of any RDBMS and/or messaging.