Java Developer at ITS A PRODUCT BASED HEALTHTECH COMPANY. · Bengaluru (Bangalore) · 3.5 - 6.5 years · ₹15L - ₹35L / yr · Posted 6 Oct 2021

Looking candidated from service base or service division of any company.
Minimum Qualification:
- Hands-on working on Java ( {Language understanding - Java 8, Lambdas, Collections, popular frameworks & libraries}, JVM, GC tuning, performance tuning)
- Worked on REST frameworks/libraries like Spring MVC, Spring Boot, Dropwizard, REST Express etc
- Worked on Relational data stores viz. MySQL, Oracle or Postgres
- Worked on Non-relational data stores viz. Cassandra, HBase, Couchbase, MongoDB etc
- Worked on caching infra viz. Redis, Memcached, Aerospike, Riak etc
- Worked on Queueing infra viz. Kafka, RabbitMQ, ActiveMQ etc

Similar jobs (10)
Java JD
Exp: -2- 4 Years
Location: - Manyata Tech Park, Bangalore, Karnataka, India
Immediate Joiners-15 Days
Job Responsibilities
- Strong experience with Spring and Spring Boot, Spring MVC, Spring Data, Spring Security
- • Exposure working in microservices and containerization(Docker/Kubernetes)
- • Experience with Web Services (JSON, REST, JAX-RS, Spring based REST services)
- • Strong with Java and J2EE/Java EE (including servlets, JSP, JSF, JDBC)
- • Strong understanding of Java Multithreading
- • Experience working with DB like Mongo, Casandra etc.
- • Experience with at least one of the development tools like Git, Gradle, Maven, Sonar, Jenkins, Artifactory etc
- • Experience with web application servers like Tomcat, Jetty, JBoss etc
- • Experience with TDD, code testability standards, JUnit/Mockito
- • Experience with DevOps practices and CICD model of development
- • Good understanding of OOP, design patterns and industry best practices
- • Agile project experience along with working on Agile tools like JIRA
- • Strong written and verbal communication skills
- Good to have Skills:
- • Strong interpersonal skills and time management skills
- • Strong analytical and troubleshooting skills
We are looking for an experienced Java Developer with strong proficiency in Kafka and MongoDB to join our dynamic team. The ideal candidate will have a solid background in designing and developing high-performance, scalable, and reliable applications in a microservices architecture. You will be responsible for building real-time data processing systems, integrating various services, and ensuring smooth data flow across systems.
Key Responsibilities:
- Design, develop, and maintain scalable Java applications with a focus on performance and reliability.
- Build and maintain Kafka-based real-time data pipelines for handling high-volume, low-latency data.
- Work with MongoDB to design and optimize database schemas and queries for high throughput and availability.
- Collaborate with cross-functional teams to define, design, and implement new features and improvements.
- Troubleshoot and resolve issues related to system performance, scalability, and reliability.
- Ensure software quality through best practices, including testing, code reviews, and continuous integration.
- Implement and maintain security best practices in both code and data handling.
- Participate in agile development cycles, including sprint planning, daily standups, and retrospectives.
Required Skills & Qualifications:
- 7+ years of experience in Java development, with a strong understanding of core Java concepts (J2EE, multithreading, etc.).
- Hands-on experience with Apache Kafka, including setting up brokers, producers, consumers, and understanding Kafka Streams.
- Proficient in working with MongoDB for designing efficient data models, indexing, and optimizing queries.
- Experience with microservices architecture and RESTful APIs.
- Familiarity with containerization technologies like Docker and orchestration tools like Kubernetes is a plus.
- Strong understanding of distributed systems, message-driven architectures, and event streaming.
- Familiarity with version control systems like Git.
- Excellent problem-solving skills, with the ability to debug and optimize code for high-performance systems.
- Experience with CI/CD pipelines and automated testing.
JioTesseract, a digital arm of Reliance Industries, is India's leading and largest AR/VR organization with the mission to democratize mixed reality for India and the world. We make products at the cross of hardware, software, content and services with focus on making India the leader in spatial computing. We specialize in creating solutions in AR, VR and AI, with some of our notable products such as JioGlass, JioDive, 360 Streaming, Metaverse, AR/VR headsets for consumers and enterprise space.
Mon-Fri, In office role with excellent perks and benefits!
Key Responsibilities:
1. Design, develop, and maintain backend services and APIs using Node.js or Python, or Java.
2. Build and implement scalable and robust microservices and integrate API gateways.
3. Develop and optimize NoSQL database structures and queries (e.g., MongoDB, DynamoDB).
4. Implement real-time data pipelines using Kafka.
5. Collaborate with front-end developers to ensure seamless integration of backend services.
6. Write clean, reusable, and efficient code following best practices, including design patterns.
7. Troubleshoot, debug, and enhance existing systems for improved performance.
Mandatory Skills:
1. Proficiency in at least one backend technology: Node.js or Python, or Java.
2. Strong experience in:
i. Microservices architecture,
ii. API gateways,
iii. NoSQL databases (e.g., MongoDB, DynamoDB),
iv. Kafka
v. Data structures (e.g., arrays, linked lists, trees).
3. Frameworks:
i. If Java : Spring framework for backend development.
ii. If Python: FastAPI/Django frameworks for AI applications.
iii. If Node: Express.js for Node.js development.
Good to Have Skills:
1. Experience with Kubernetes for container orchestration.
2. Familiarity with in-memory databases like Redis or Memcached.
3. Frontend skills: Basic knowledge of HTML, CSS, JavaScript, or frameworks like React.js.
UKG's engineering teams wants to add 4 staff aug consultants (2 in US and 2 in Noida) to support their identity platform infrastructure, deployments to prod, escalations/KTLO, and debugging needs. They'll need to partner with internal dev teams who consume our Identity platform around any issues or new integrations needed. RCA/enhancing our observability.
They need to have the below qualifications:
• Linux (Ubuntu) - Understanding of Linux OS and has experience with troubleshooting complex issues that can be due to infrastructure related around disk/iops, network latency, jvm/gc related, as well as application related defects.
Python/similar scripting language to help automate manual tasks/remediation efforts.
• Ansible
• Identity platforms/technology -
SAML2/Oauth2/Directory server LDAP#python queryquerylanguage/OpenDJ/OpenAM/Auth0/Okta/SSO
• Java - understanding of Java tuning/best practices for high volume applications at scale
• Nginx
• Grafana • PagerDuty
• Postman/API • Kibana/Splunk
Dynatrace
GCP preferred. Azure is good as well.
2. Data structure (HashMap, treemap, arraylist, linklist),
3. Streaming concepts (partitioning), Junit
4. Exception handling and workflow, Test coverage (why its important, how it gets handled at
java and spring layer, morckito library if the candidate knows that would be great),
5. OOPS concepts (inheritance),
6. Threading (mutex, threadpool, threading implementation, singleton factory, builder pattern,
abstract)
7. Real world problems (atleast 1 to be asked in IAAS interview) (movie ticket booking, parking
booking), To be asked to only selected candidates: Puzzle (probability/)
8. Memory management: Garbage Collection (GC), Heap dump, Thread dump, apache, google
library.
9. Spring frameworks and database. Data lakes, star lakes, schemas, indexing, partitioning,
optimize query, hibernate.
10. Data warehouse vs nosql vs time series database (KDB, DB2), data storage patterns.
11. Types of transaction control. Column level.
12. Query formation, grouping, nested queries, joints (inner joints, outer joints)
13. If candidate has spring exp: Architecture and various layers of Spring, coupling concepts,
dependency injections, inheritance, Bean level, JMS connection pooling concepts, Lambda,
Annotation vs XML, Kafka, Hibernates.
14. Good to have AI/ML inclination.
Bifurcation of Must have and good to have skills:
Must have skills Good to have skills
Core java (60%), spring (15%), and databases
(15%).
Mockito library
Data structure (HashMap, tree map, array list,
link list)
Threadpool
Streaming concepts (partitioning) Memory management
Exception handling Lambda, Annotation vs XML, Kafka, Hibernates
OOPS GCP or any cloud technology
Threading (singleton factory, builder pattern) AI/ML inclination
Real world problems (movie ticket booking,
parking booking)
Spring frameworks and database (indexing,
partitioning, layers of Spring, JMS connection)
Data warehouse vs NoSQL vs time series
database
Junit
Responsibilities: Architecture, design and enhancement of moderately complex software resulting in high quality,
software products.
Lead and guide the software design team with application design and integration.
Make sure the design is aligned with functional and non-functional requirements for the software.
Evaluate and recommend tools and technologies for development and make sure a productive development
environment.
Understand the training requirements of team members to ensure people have necessary skills and
competency for delivering good quality product.
Make sure team follows best design and coding practices and ensure the final deliverable meets expected
quality.
Help development team in problem solving and troubleshooting issues.
Quick understanding of exiting framework/Very good debugging skills to debug existing platform / frameworks
Strong knowledge in Databases and complex stored procedure understanding.
Identify technical risk areas and help the team members to solve issues quickly.
Quickly do the POC investigation and provide the demo to team members to keep the schedule.
Quickly writing of use cases and minor scenarios, based on that do the estimation and explain the use cases to
team members with development steps.
Desired Skills and Experience
10+ years of hands on experience in Software/Technology Development including architecting and designing software
products.
Must Have:
Proficienc Proficiency in web development using Java
Proficiency in Java spring framework (Spring MVC, Spring boot)
Proficiency in developing UI using HTML, JSP Servlet, JDBC
Excellent knowledge of Relational Databases, SQL, and ORM technologies (JPA2, Hibernate)
Experience in java-script, AJAX, JQuery
Workflow concepts and development exposure.
Understanding of Event/command based architecture.
Proficient in Object Oriented Analysis and Design.
Troubleshooting design flaws and system bottlenecks.
Systems thinking, technical acumen, analytical skills and communication skills.
Testing skills (Unit testing, Integration testing)
Exposure to one or more software development methodologies (RUP preferred, one full
Lifecycle preferred)
Good analytical and problem-solving skills
Good knowledge in Git and Maven
Good knowledge in SOA and micro services.
Experience designing secure software systems.
Exposure to design tools – Enterprise architect / Rational rose.
Experience with debugging tools, profiling tools.
Good leadership and people management skills
Quality mindset and attention to detail in all aspects of software engineering and development.
Experience in SonarQube Cube analysis tool.
Knowledge and experience in MES (Manufacturing Execution System) domain.
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Whom are we looking for?
Our groundbreaking technology, requires highly skilled and talented Web Backend Developers to understand the depth of the problem and device a solution for it.
We are seeking a Software Engineer, with a depth of experience in developing Web Applications enabled using REST APIs backed by a data warehouse solution, to join our growing company and be a part of our success story. We are looking for individual with great attention to detail, who is genuine, confident, committed and not only passionate about technology, but excited to work in a fun and friendly start-up environment. The ideal candidate will be passionate about technology and getting things to work while at the same time being able to mentor (and lead) other engineers by way of example to achieve excellence in their work.
What does the role involve?
As a Web Backend Software Engineer you will be responsible for creating REST APIs which are used to drive the User Interface. Given the nature of the application, these APIs needs to be very efficient and high performing. This requires optimising queries for faster execution and introducing database changes that may be required.
You would be working with a complex technology stack which includes (but is not limited to) Spring, Hibernate, HornetQ, Quartz, etc. This requires extensive understanding of transaction management and data handling across different application layers.
In addition to the technical ownership, you will also be involved in detailing requirements for requested functionalities and be responsible for providing technical insight into how requirements will be implemented and made available to users. Accurate estimation of tasks and planning are qualities we look for in our engineers.
Responsibilities include:
Develop, test, implement and maintain application software
Take part in software and architectural development activities
Transform requirements into implementation details
Debug application issues and helping support respond to client queries
Participate in application development meetings
Provide accurate estimates, clearly communicate status of tasks and identification of risks
Commitment to accomplishing the task at hand and identify the fastest and most reliable way to solve a problem
Performance tuning of application code at different service levels
Incorporate design changes to improve performance of the application
Interact with customers of the application and help address issues reported
Interact with customers of the application and collect requirements or potential uses cases and draft technical and user requirements
ESSENTIAL SKILLS / EXPERIENCE REQUIRED:
Minimum Bachelor's degree in Computer Science or equivalent
Minimum 2+ years experience with Java and J2EE/Java EE
Minimum 2+ years experience with Spring MVC, Spring Security and Hibernate
Strong understanding of relational database and normal forms
Strong understanding of SQL concepts and ability to write optimised and high performing queries
Strong understanding of Java concurrency, concurrency patterns, experience building thread safe code
Experience building RESTful web services
Experience with web application servers like JBoss
Strong written and verbal communication skills
Strong interpersonal skills and time management skills
Strong problem solving and analytical skills
Experience using task tracking systems e.g. Jira and distributed version control systems e.g. Git
DESIRABLE SKILLS / EXPERIENCE:
Understanding of testNg/JUnit
Unix/Windows shell and related command line tools
Experience in Continuous Integration and deployment tools such as Jenkins
Experience with database partitioning and column Indexing
Experience with query optimisation techniques
Why work for us?
Above market remuneration
Stimulating challenges that fully utilise your skills
Work on real-world technical problems to which solution cannot simply be found on the internet
Working alongside other passionate, talented engineers
Hardware of your choice
Our fast-growing company offers the potential for rapid career progression
Click Here to apply: https://hire.withgoogle.com/public/jobs/blueoptimacom/view/P_AAAAAAEAAADLjl0iWO3_0a?trackingTag=cutshort
- Hands on Java experience with minimum 8 yrs. More experience is a plus but need to be hands on.
- Server side programming experience with technologies: Spring, Hibernate & Swing is a plus
- Good DB knowledge, hands on PL/SQL or T-SQL
- Experienced to work on Linux, git, IntelliJ, Eclipse
- Experience of designing and developing end-to-end solutions.
Must have skills :
JAVA 8, Apache Camel, Design Patterns, Web Services (REST), RabbitMQ, Build Tool (Maven or Gradle), Version Control (SVN or Git), SQL/PLSQL, Javascript, HTML, CSS, JQuery, Application Server (Websphere/JBoss/Weblogic etc.), JUnit.
Preferred skills :
- Spring, Spring MVC, Spring Boot, Hibernate/Spring Data JPA, .
- Experience working on Node JS/Angular JS/React JS
- Working experience on Docker
- Experience working on Agile methodologies
B.E/B.Tech/M.C.A/M.Sc(Computer science ) with first division.
- AWS Cloud exposure.
- Basic skills in using the Unix operating system logging on, sudo to another ID, navigating directory structures, debugging simple problems.
- Hands-on experience with building enterprise applications.
- Excellent trouble-shooting skills.
- Thoroughly understanding business problems and the business domain, and how potential solutions may address problems and enhance business capabilities.
- Experience in designing/development (design patterns) and testing of enterprise class systems.
- Good written and verbal communication skills.
- Ability to adapt to changing requirements.
- Ability to take direction and work with minimal supervision.
- Ability to work in deadline driven environment, and respond creatively to pressure.
- Ability to work on multiple projects simultaneously.











