Java Developer

We are looking for a highly skilled Backend Developer with expertise in Core Java, Java 8, and Data Structures. The ideal candidate should have experience in Spring Boot, JPA/Hibernate, and Microservices architecture. If you are passionate about backend development and want to work in a dynamic environment, we’d love to hear from you!

Key Responsibilities:

• Develop and maintain backend applications using Core Java and Java 8.
• Design and implement RESTful and SOAP web services.
• Work with Spring Framework, Spring Boot, and JPA/Hibernate for backend development.
• Build and optimize microservices-based architectures.
• Manage databases such as PostgreSQL, MySQL, or Oracle.
• Collaborate with cross-functional teams to deliver high-quality software solutions.
• Write clean, efficient, and scalable code while following best practices.
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Requirements:

✅ Strong hands-on experience in Java (Core Java, Java 8) and Data Structures.

✅ Proficiency in Spring, Spring Boot, JPA/Hibernate.

✅ Experience in developing and consuming RESTful & SOAP APIs.

✅ Knowledge of Microservices architecture and best practices.

✅ Database expertise in PostgreSQL, MySQL, or Oracle.

✅ Excellent verbal and written communication skills.

Nice to Have:

• Experience with Docker/Kubernetes.
• Knowledge of CI/CD pipelines and DevOps practices.
• Exposure to cloud platforms (AWS, GCP, or Azure).

• Strong experience in Java programming.
• Must have experience on MicroServices using Spring boots /Jersy /Swagger / any other Microservices technology stack
• Good experience in either Spring or Hibernate
• Must have at least 1to 2 years’ experience in Web application
• Knowledge of OOP concepts, industry best practices, and design
• Good understanding of web technology/enterprise-level applications
• Good to have experience in JavaScript frameworks
• Good to have experience in Agile Methodology

• Self-motivated and a Quick Learner
• Creative ideas with a problem-solving mindset.
• Ability to consistently perform and meet deadlines
• Attention to detail and follow-through
• A good understanding of customer satisfaction
• Ability to work effectively in a team as well as in an individual environment
• Excellent written and verbal communication skills

• Design, develop, code and test the solution

• Experience working with large datasets and NoSQL database technologies (e.g. Cassandra, ES) 

• 5-10 yrs of industry experience

• Energetic self-starter, with a desire to work in a startup environment

• Proficient in advanced Java programming skills

• Expert in Application development cloud/on premise end to end. Middle layer, DB layer.

• Nice to have understanding on MQ (e.g. Kafka)

• Good hands on in Complex Event Processing systems

• Solved scale and performance issues while dealing with huge sets of data. Pre compute or data aggregation frameworks to achieve good response time

• Experience working with large datasets and NoSQL database technologies (e.g. Cassandra, ES)

• Experience of debugging applications running on Unix like systems (e.g. Ubuntu, CentOS)

• Experience developing RESTful APIs for complex data sets

• Knowledge of container based development & deployment (e.g. Dockers, K8s)

• Expertise in software security domain, a plus

Hi,

 Greetings from Kairos Technologies (http://www.kairostech.com">www.kairostech.com)

  About Kairos:

Kairos Technologies is a customer-first technology services company focused on Digital Transformation and Testing/QA. We are founded to help you build world-class solutions and digital ecosystems. From our inception in 2003, we have provided managed services in embracing the digital transformation for various companies operating in different verticals. We strive to provide the technology services that make your business goals an economic reality.

As discussed please find the below Job description 

We are looking for highly skilled programmers with experience building web applications in Java. Java Developers are responsible for analyzing user requirements and business objectives, determining application features and functionality, and recommending changes to existing Java-based applications, among other duties.

Java Developers need to compile detailed technical documentation and user assistance material, requiring excellent written communication.

Java Developer Responsibilities:

• Designing and implementing Java-based applications.
• Analyzing user requirements to inform application design.
• Defining application objectives and functionality.
• Aligning application design with business goals.
• Developing and testing software.
• Debugging and resolving technical problems that arise.
• Producing detailed design documentation.
• Recommending changes to existing Java infrastructure.
• Developing multimedia applications.
• Developing documentation to assist users.
• Ensuring continuous professional self-development.

• Skills Required: JAVA/J2EE technologies like Struts, Spring Boot, HTMLCSS, JSP, JDBC, Servlets, JSON, Eclipse, Apache Tomcat, Subversion, Springboot framework to build RESTful Web Services and Micro Services based Spring Cloud.

• Exp – 5+ years
• Location- Pan India

# Responsibilities:

• Build the APIs and internal mechanisms of the backend across all our services.
• Architect and provide guidance on building end-to-end systems optimized for speed and scale.
• Build and lead engineering teams to achieve product roadmap milestones.
• Oversee the research and development of new products and technologies.
• Engage with inspiring designers and front-end engineers, and collaborate with leading back-end engineers as we create reliable APIs
• Represent and evangelize engineering team in events, talks, conferences, etc.
• Be available for troubleshooting in case of backend emergencies.

# Requirements:

• Bachelor's in Computer Science or any Engineering domain with experience in Software Programming.
• 2-5 years of experience building large-scale software applications.
• Highly proficient with Java and knowledge of the many intricacies of Spring Boot.
• Proficient with MongoDB and Redis. Knowledge of Aerospike, other databases would be a bonus.
• Good understanding of distributed systems (servers, databases, etc.).
• Positive and solution-oriented mindset and comfort working in a highly agile, intensely iterative software development environment.

Role Description:

As a Lead Backend Engineer , you will be responsible for designing and deploying scalable, highly available, and fault-tolerant systems for Radiusagent. Experience as a Tech Lead, managing tasks with back-end engineers while coding themselves will be a bonus point for the ideal candidate.

Responsibilities will include-

• You will contribute to all aspects of an agile software development lifecycle including design, architecture, development, documentation, testing, and operations.
• You will build cutting-edge scalable systems by writing simple and efficient code.
• You will push your design and architecture limits for new product development.
• You will ensure compliance with the build/release and configuration management process.

Skills needed:

• be able to design and build modules from ground up
• proficient in any one programming language out of php/golang/node/python/javascript/java/ruby and ability to pick up others
• experience with mysql/postgres/mongodb/couchdb
• experience  with redis/memcached
• experience with rabbitmq / kafka
• experience in having written cron jobs, troubleshooting downtime
• ability to work with ambiguous requirements
• good understanding of OS concepts

Nice to haves:

• experience with managing VMs' on aws/gcp/digitalocean 
• experience with docker/kubernetes
• experience elasticsearch or lucene