11+ JAX-RS Jobs in Chennai | JAX-RS Job openings in Chennai

Job Description - Intelizest

Back End Engineer

• Work with other engineers to develop and test tools and applications used by team on daily basis
• Play a significant role in the ongoing evolution and refinement of current tools and applications
• Triage, troubleshoot, escalate and provide resolution to production issues.
• Reproduce, document and escalate product defects to the Engineering Team.
• Provide well-thought out and reliable direction, both in technical and non-technical terms, to help customers.
• Take ownership of customer issues, including initial troubleshooting, identification of root cause and issue resolution or escalation.
• Identify and escalate priority issues that need immediate attention.
• Collaborate with cross functional teams which requires strong presentation skills and attention to details
• BA/BS degree in Computer Science or related technical field or equivalent work experience. MS degree is preferred.
• 9+ years development experience in JAVA (using OO Design and Analysis, Design Patterns, etc.)
• High experience in Java 8 Required.
• 4+ years’ experience building highly scalable, distributed and reliable Restful Web Services using Spring, Jersey, etc.
• Should have knowledge on Cloud applications preferably on AWS.
• Knowledge on building Front end applications using JavaScript, AngularJS, HTML5, CSS3.
• Experience with relational DBs like MySQL and NoSQL Database like MongoDB, Solr/Lucene will be a plus.
• Experience with Tomcat, Jax-RS, REST, JPA, IntelliJ, Groovy, Hibernate is must.
• Experience with build technologies like Gradle, Jenkins will be a plus.  
• Experience with Test Driven Development using TestNG/Junit testing frameworks.
• Experience working with version control like GIT.
• Salary commensurate with experience.

Job Title: Senior Linux Kernel Engineer

Experience: 5–10 Years

Location: Bangalore / Chennai

Domain: Enterprise Linux / Kernel Development

Job Summary

We are seeking a highly skilled Senior Linux Kernel Engineer with deep expertise in kernel development, debugging, and performance optimization. The role involves working on enterprise-grade Linux distributions, kernel lifecycle management, security patching, and low-level hardware integration.

Key Responsibilities

1. Kernel Lifecycle & Maintenance

• Lead kernel upgrade strategies (e.g., LTS migrations such as 5.15 → 6.x) while ensuring stability and compatibility.
• Perform patch porting across kernel versions, resolving API and dependency conflicts.
• Track and mitigate security vulnerabilities by monitoring CVEs and upstream sources (e.g., LKML).
• Backport critical fixes to production kernels without impacting system stability.

2. Debugging & System Stability

• Act as an escalation point for kernel panics and system crashes.
• Perform post-mortem analysis using kdump, crash, and gdb.
• Debug early boot issues (UEFI, initramfs, kernel initialization).
• Conduct performance analysis using eBPF, ftrace, and perf to optimize system behavior.

3. Driver Development & Hardware Integration

• Design, develop, and maintain device drivers (network, storage, GPU, or character devices).
• Work closely with hardware through DMA, interrupts (MSI-X), and register-level programming.
• Maintain out-of-tree drivers using DKMS or similar frameworks.
• Ensure compatibility of drivers across kernel updates.

Required Technical Skills

• Programming: Strong expertise in C (mandatory) and C++
• Kernel Internals: Deep understanding of:
• Virtual File System (VFS)
• Memory Management (MMU, Paging)
• Process Scheduler
• Linux Networking Stack
• Debugging Tools:
• kdump, crash, gdb
• kprobes, trace-cmd, ftrace
• perf, valgrind
• Hardware debugging tools (JTAG, Serial Console)
• Build Systems:
• Kbuild, Makefiles
• Kernel packaging (RPM/Debian)
• Security:
• Experience with CVE patching and backporting
• Knowledge of SELinux/AppArmor
• Kernel hardening (FIPS, KSPP)

Preferred Skills

• Experience contributing to open-source kernel projects
• Familiarity with Linux Kernel Mailing List (LKML) workflows
• Exposure to enterprise Linux distributions (RHEL, Ubuntu, SUSE)
• Experience with performance tuning and system optimization at scale

1. Core Programming (C Language)

• Must have strong hands-on experience in C programming
• Comfortable with pointers, memory management, and low-level concepts

2. Kernel Internals Expertise

• Should have worked in at least one subsystem:
• VFS / File Systems
• Memory Management
• Scheduler / Networking

3. Debugging & Crash Analysis

• Experience handling kernel panics
• Hands-on with vmcore analysis tools

4. Security & Patching

• Understanding of CVE fixes and backporting

5. Driver Development

• Experience in writing or maintaining device drivers

6. Performance & Advanced Debugging

• Exposure to eBPF, ftrace, perf

7. Hardware-Level Understanding

• Knowledge of DMA, interrupts, hardware interaction

Soft Skills

• Strong analytical and problem-solving abilities
• Excellent communication skills
• Ability to work independently and in collaborative environments
• Quick learner with adaptability to new technologies

Key Responsibilities:

• Design, develop, and maintain Java-based applications using best practices and modern frameworks.

• Integrate and manage AWS services such as EC2, S3, RDS, Lambda, and CloudFormation.

• Develop RESTful APIs and microservices architecture to support scalable and robust applications.

• Implement CI/CD pipelines using tools like Jenkins, Git, and Docker to automate deployment processes.

• Monitor and troubleshoot application performance, defect triaging, and reliability issues, providing timely support and resolution.

• Collaborate with cross-functional teams to gather requirements, design solutions, and deliver high-quality software.

• Conduct code reviews and ensure adherence to coding standards and best practices.

• Stay updated with the latest industry trends and AWS services to continuously improve our technology stack.

Qualifications:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.

• 5-7 years of experience in Java development, with a strong understanding of object-oriented programming and design patterns.

• Proficiency in AWS services such as EC2, S3, RDS, Lambda, CloudFormation, etc.

• Experience with Spring Boot and other Java frameworks.

• Strong knowledge of SQL and NoSQL databases.

• Familiarity with containerization technologies like Docker and Kubernetes.

• Experience with CI/CD tools and processes.

• Excellent problem-solving skills and the ability to work independently and as part of a team.

• Strong communication skills and the ability to articulate technical concepts to non-technical stakeholders.

Title: Senior Java Developer

Top Skills: Java , Spring boot, Microservices, MYSQL, PL/SQL, NoSQL

Work Mode:- Full time

Location:- Teynampet, Chennai, Tamil Nadu

Employer: Innovating digital experiences with cutting-edge technology, design, and user-focused solutions for global brands

We are seeking a highly skilled and experienced Sr. Java Developer with a proven track record in

delivering high-quality applications. If you're passionate about building modern, scalable, and

robust software solutions, we want to hear from you!

Required Qualifications

7+ years of software development experience with a focus on delivering robust and

efficient solutions.

Strong proficiency in Java and its latest versions and expertise in developing

Java-based applications.

Hands-on experience with relational databases and proficiency in writing complex SQL

queries.

Familiarity with Enterprise Java (J2EE / Java EE / Spring) application architectures.

Demonstrated history of delivering modern, high-cadence applications using:

Agile methodologies and test-driven development (TDD).

CI/CD pipelines for streamlined deployment and updates.

Git version control for collaborative development.

Job Description

Java Developer Transformational Product Experiences .

Preferred Skills

Knowledge of microservices architectures and Domain-Driven Design (DDD).

Working knowledge of Python and JavaScript/Node.js.

Experience with Object-Relational Mappers (ORMs) such as Hibernate or JPA.

Strong Problem Solving skills

Bonus Skills

Exposure to emerging Generative AI technologies and tools like OpenAI APIs and GPT

large language models (LLMs).

Practical experience with MongoDB or other NoSQL, MySQL databases.

Required Skills:

"Overall 5-9 years of experience

Experience of working in Agile projects and aware of key Agile concepts

Good Problem solving and communication skills

Team player, hard working and innovative in his approach

Having stretch mindset and eagerness to learn/adopt new frameworks.

Expertise in Java 8 version or later

Hands on coding experience in Core Java ,Java, J2ee

Should have experience in Spring Boot

Should have good experience in Hibernate, Spring DATA JPA

Experience in RestFull Web services and microservices

Hands on knowledge in JMS and messaging Queues

Hands on Knowledge in Open API spec / swagger 2.0

Hands on knowledge in writing unit test cases using java test framework (Junits, Mockito)

Strong Ability to troubleshoot vulenerabilities and sonar issues and remediate with appropriate sonar rules compliant solution.

Should have hands on experience in SDLC

Should have an excellent client interaction background with Smart, Innovative, Enthusiastic, Proactive

Nice to Have

------------

Knowledge in kafka integeration

knowledge in OCP4 configs and deployment

Knowledge on secret Vaulting

Experience working in Agile project

• Knowledge on CI/CD process.

AvatarSoft is a team of seasoned "Temenos T24 Certified" IT Professionals with over 20 years' combined experience in Financial Transformation. We are a growing company across 3 continents and 4 countries deployed in an offshore and onsite model. Our professionals have worked in major Software firms, Consultancy firms, Financial Institutions, and Credit Unions across the globe.

Avatarsoft is a rapidly evolving banking software consulting firm that renders leading edge to its clients . Avatarsoft brings profound expertise, resolute culture and provides strategical T24 / Transact transformation solutions through cutting edge services. We embrace our journey, by striving to remain the trusted and ethical business partner that delivers IT consulting to implement Temenos T24 Transact / Infinity, banking transformation projects and provides business value to our clients and etc,.

Our Locations: Canada, U.S.A, Netherlands, Mexico, India(Chennai), UAE.

This is for our Chennai Office , however work from home can be considered during pandemic or lockdowns .

• Java / JavaScript Developer Job Description (Minimum 2 years Experience in Java)
• Good in Core Java, Multithreading, J2EE, web services (REST, SOAP).
• In-depth knowledge on Java Script and object-oriented technique .
• Should be able to work independently
• Familiar on Front-end technologies like AngularJS or Node JS or Spring boot is a real Plus

     Looking for a Web Developer with good hands-on Experience in  Laravel.

•         Candidates have good Team Interactions.

Experience : 1 to 2 years

Responsibilities :

• Strong coding knowledge in Laravel Framework.
• Responsible for handling projects independently as well as collaboratively.
• Should be capable of handling multiple PHP projects.
• Analyse scope of work and time frame accordingly.
• Should have good analytical and problem solving skills.
• Ability to motivate teammates.
• Mentor and lead a team of junior developers.
• Provide technical guidance to development team members’

Key Skills:

Php, Laravel, MySQL, JavaScript, jQuery, HTML, CSS,DB

Added advantage to have : Code igniter, Angular

• The ideal candidate must have experience in enterprise application design, system performance and scalability
• 5+ year experience in web services, distributed systems, and highly available and scalable applications.
• Strong object-oriented programming skills in Java
• Very good knowledge of Core Java and J2EE and should have worked on high availability, low latency platforms.
• Ability to question status quo and identify bad design/code patterns which can impact performance and maintainability of the code.
• Excellent understanding of system design and design patterns.
• Previous experience with the Agile methodology.
• Experience in developing robust RESTful services is desirable.
• Have very good communication skills
• Have strong experience in the Spring framework.
• Good experience in SQL/Oracle
• BS degree in computer science or related fields. MS degree desired