java backend developer

code guardian tech international private limited

<p>About the Role: (Kubernetes and Kafka/RabbitMQ)</p><p>We are building a next-generation Warehouse Automation Platform from scratch using a microservices-based architecture.</p><p>We are looking for a highly skilled and hands-on Java Backend Developer who can write clean, efficient, and production-grade code with minimal supervision. The ideal candidate should be comfortable working in a fast-paced product environment with evolving requirements.</p><p>This is an Individual Contributor role focused on backend development. It is not an architecture ownership or team management position.</p><p>Key Responsibilities</p><ul><li>Develop scalable backend services using Spring Boot</li><li>Design and implement microservices architecture</li><li>Develop and maintain REST APIs</li><li>Write clean, optimized, and efficient Java code</li><li>Implement Low-Level Design (LLD)</li><li>Apply appropriate design patterns (Factory, Strategy, Observer, etc.)</li><li><b>Work with messaging systems such as Kafka or RabbitMQ</b></li><li><b>Deploy and manage services on Kubernetes (GKE)</b></li><li>Write unit tests using JUnit</li><li>Debug and resolve complex technical issues</li><li>Adapt to changing product requirements</li></ul><p>Required Technical Skills</p><ul><li><b>4&ndash;7 years of strong backend development experience</b></li><li><b>Strong expertise in Core Java (Collections, Concurrency, Memory Management)</b></li><li>Hands-on experience with Spring Boot</li><li>Experience building services from scratch</li><li>Strong understanding of Microservices architecture</li><li>Experience with RESTful API development</li><li><b>Hands-on experience with Kafka or RabbitMQ</b></li><li><b>Experience deploying applications on Kubernetes</b></li><li>Strong algorithmic thinking and problem-solving skills</li><li><b>Experience with PostgreSQL</b></li><li>Good debugging and optimization skills</li></ul><p>Good to Have</p><ul><li>Strong unit testing mindset (JUnit)</li><li>Experience in product-based companies</li><li>Exposure to automation or logistics domain</li><li>Experience with InfluxDB or Elasticsearch</li></ul><p>Job Type: Full-time</p><p>Benefits:</p><ul><li>Provident Fund</li></ul><p>Work Location: Hybrid remote in Gurugram, Haryana (Gurugram)</p>

Java Backend Developer (4+)

<div></div><div><div><div><div><ul><div>7 Openings</div>
 <div>Bentonville</div></ul></div><p></p><div><br>
<div><div>
</div></div></div></div><div></div><div><h3 class="jobSectionHeader"><b>Role description</b></h3>
<div><p><b>Java Backend Developer</b></p>
<p><b>
Lead II - Software Engineering</b></p><br>
<p></p>
<p><b>
Who We Are:</b></p>
<p>
Born digital, UST transforms lives through the power of technology. We walk alongside our clients and partners, embedding innovation and agility into everything they do. We help them create transformative experiences and human-centered solutions for a better world.</p>
<p>
UST is a mission-driven group of 29,000+ practical problem solvers and creative thinkers in more than 30 countries. Our entrepreneurial teams are empowered to innovate, act nimbly, and create a lasting and sustainable impact for our clients, their customers, and the communities in which we live.</p>
<p>
With us, you&rsquo;ll create a boundless impact that transforms your career&mdash;and the lives of people across the world.</p>
<p>
Visit us at UST.com.</p><br>
<p></p>
<p><b>
You Are:</b></p>
<p>
UST is looking for a Java Backend Developer who will design, implement, and maintain Java-based applications. Get involved in all stages of the software development lifecycle (SDLC), from requirements gathering to deployment and maintenance.</p><br>
<p></p>
<p><b>
The opportunity:</b></p>
<ul><li> Work closely with cross-functional teams, including software engineers, web developers, and project managers, to ensure seamless integration of Java applications into business systems.
</li></ul><ul><li> Conduct thorough testing of applications to ensure functionality, reliability, and performance. Troubleshoot and resolve technical issues, ensuring that the software operates as intended.
</li></ul><ul><li> Write clean, maintainable code following best practices and coding standards. Documentation of code, APIs, and system architectures to facilitate future maintenance and onboarding.
</li></ul><ul><li> Optimize applications for performance, scalability, and security, analyze system performance and make recommendations for improvements</li></ul><br>
<p></p>
<p>
This position description identifies the responsibilities and tasks typically associated with the performance of the position. Other relevant essential functions may be required.</p><p><br>
</p><p><b>What you </b><b>need:</b></p>
<ul><li> Required Skills:
</li></ul><ul><li> Mandatory: Java, Spring Boot, Azure, Kafka</li></ul>
<ul><li> Good to have: Kubernetes integrations</li></ul>
<ul><li> Desired Skills:</li></ul>
<ul><li> 5-7 years hands on experience in Java development at enterprise level (recent)</li></ul>
<ul><li> Strong programming skills in Java, including object-oriented programming principles, design patterns, and familiarity with Java frameworks</li></ul>
<ul><li> Understanding of microservices architecture and experience in building and deploying microservices-based applications</li></ul>
<ul><li> Hands-on experience in developing Spring Boot applications, including dependency injection, ORM (Object-Relational Mapping), and REST API development</li></ul>
<ul><li> Knowledge of Microsoft Azure cloud platform</li></ul>
<ul><li> Familiarity with Continuous Integration (CI) and Continuous Deployment (CD) practices, including automated testing, build pipelines, and deployment strategies</li></ul>
<ul><li> Proficiency in writing SQL queries as per industrial standards, fine-tuned for optimization</li></ul>
<ul><li> Strong problem-solving abilities, good communication (written &amp; verbal) skills, and the ability to work effectively in a team are also important for this role.</li></ul>
<ul><li> The evaluation includes an hands on coding/troubleshooting exercise and should be able to articulate past projects and do on the fly troubleshooting/ write logic</li></ul><br>
<p></p>
<p>
Compensation can differ depending on factors including but not limited to the specific office location, role, skill set, education, and level of experience. UST provides a reasonable range of compensation for roles that may be hired in various U.S. markets as set forth below.</p>
<p><b>
Role Location:</b><b> </b><b>Arkansas</b></p>
<p><b>
Compensation Range</b>: $82,000-$123,000</p><br>
<p></p>
<p><b>
Benefits</b></p>
<p>
Full-time, regular employees accrue a minimum of 10 days of paid vacation per year, receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year), 10 paid holidays, and are eligible for paid bereavement leave and jury duty. They are eligible to participate in the Company&rsquo;s 401(k) Retirement Plan with employer matching. They and their dependents residing in the US are eligible for medical, dental, and vision insurance, as well as the following Company-paid Employee Only benefits: basic life insurance, accidental death and disability insurance, and short- and long-term disability benefits. Regular employees may purchase additional voluntary short-term disability benefits, and participate in a Health Savings Account (HSA) as well as a Flexible Spending Account (FSA) for healthcare, dependent child care, and/or commuting expenses as allowable under IRS guidelines. Benefits offerings vary in Puerto Rico.</p>
<p>
Part-time employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) and are eligible to participate in the Company&rsquo;s 401(k) Retirement Plan with employer matching.</p>
<p>
Full-time temporary employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) and are eligible to participate in the Company&rsquo;s 401(k) program with employer matching. They and their dependents residing in the US are eligible for medical, dental, and vision insurance.</p>
<p>
Part-time temporary employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year).</p>
<p>
All US employees who work in a state or locality with more generous paid sick leave benefits than specified here will receive the benefit of those sick leave laws.</p><br>
<p></p>
<p><b>
What we believe:</b></p>
<p>
We proudly embrace the values that have shaped UST since day one. We build our culture of Humility, Humanity, and Integrity. These values inspire us to nurture a people-first, human centric culture that fosters diversity, prioritizes sustainable solutions, and keeps our people and clients at the forefront of all decisions.</p><br>
<p></p>
<p><b>
Humility:</b></p>
<p>
We will listen, learn, be empathetic and help selflessly in our interactions with everyone.</p>
<p><b>
Humanity:</b></p>
<p>
Through business, we will better the lives of those less fortunate than ourselves.</p>
<p><b>
Integrity:</b></p>
<p>
We honor our commitments and act with responsibility in all our relationships.</p><br>
<div></div>
<div><b>
Equal Employment Opportunity Statement</b></div><div><br>
UST is an Equal Opportunity Employer.</div><br>
<div></div>
<p>
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other applicable characteristics protected by law. We will consider qualified applicants with arrest or conviction records in accordance with state and local laws and &ldquo;fair chance&rdquo; ordinances.</p>
<div>
UST reserves the right to periodically redefine your roles and responsibilities based on the requirements of the organization and/or your performance.</div><br>
<div></div>
<div>
#UST</div>
<div>
#LI-YG1</div></div>
<h3 class="jobSectionHeader"><b>Skills</b></h3>
<div><p>java,spring boot,kafka,microservices architecture,azure,nosql,hibernate,sql</p></div>
<h3 class="jobSectionHeader"><b>Benefits</b></h3>
<h3 class="jobSectionHeader"><p><b>Compensation range: $ 82,000.00 to 123,000.00 per year</b></p></h3></div></div></div><p></p>
<br><div><h3 class="jobSectionHeader"><b>About UST</b></h3>
<div>UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world&rsquo;s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients&rsquo; organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact&mdash;touching billions of lives in the process.</div></div>

Java Backend Developer

Devspark Labs

<p><b>Senior Backend Developer &ndash; Java (4&ndash;5 Years Experience)</b></p><p>We&rsquo;re looking for a highly skilled Senior Backend Developer (Java) who thrives on building scalable, secure, and high-performance systems. If you&rsquo;re passionate about writing clean code, optimizing performance, and delivering production-ready solutions, this role is for you.</p><p><b>Responsibility:</b></p><ul><li>Architect, develop, and maintain robust backend services and APIs</li><li>Write clean, efficient, and well-structured Java code</li><li>Build scalable, high-availability systems for real-world applications</li><li>Collaborate closely with Frontend, QA, and DevOps teams</li><li>Optimize performance, troubleshoot issues, and ensure system reliability</li><li>Conduct code reviews and mentor junior team members</li><li>Integrate third-party services and manage production deployments</li></ul><p><b>Qualification Required:</b></p><ul><li>Bachelor&rsquo;s degree in Computer Science or a related field</li><li>4&ndash;6 years of hands-on backend development experience in Java</li><li>Strong expertise in <b>Spring Boot</b> or similar frameworks</li><li>Solid experience with RESTful APIs</li><li>Proficiency in databases such as PostgreSQL or MongoDB</li><li>Working knowledge of Git, CI/CD pipelines, and DevOps practices</li><li>Experience with Docker is a strong advantage</li></ul><p>Job Type: Full-time</p><p>Work Location: In person</p>

Senior Java Backend Developer

Diebold Nixdorf

<div><p>In this role you will strengthen our software development team in India, and you will work with a team of professional and senior software developers in Germany and India. You will participate in developing service software for our Self-Checkout product portfolio which is used globally by our service technicians as well as hundreds of retailers.
</p><p>In the role of (Senior) Java Engineer, you will work independently within our agile development process and will present your results to the team and to external departments in our internationally known company.</p></div>
<br><div><p>Maintaining, enhancing, and further developing our existing self-service core application (Windows and Linux platforms).
</p><p>Analyzing business requirements, designing, and developing the state-of-the-art software architectures, components, and features
</p><p>Creating, maintaining, and updating documentation, user manuals and training materials
</p><p>Collaborating closely with the local team as well as the team in Germany for design, development, and testing</p></div>
<br><div><p>Must have:
</p><p>Bachelor of Engineering (BE/B-Tech) in Computer Science or Information Technology or higher from an affiliated university.
</p><p>5+ years of advanced experience in Object-Oriented Programming (OOP) with Java (11+), more specifically with Multithreading and Client &amp; server architecture.
</p><p>Ability to read other&rsquo;s code.
</p><p>The ability of designing and implementing REST APIs.
</p><p>Hands-on experience with IntelliJ or Eclipse.
</p><p>Advance experience with Git or Subversion.
</p><p>Hands-on experience with Design patterns &amp; Clean Code development.
</p><p>Awareness of security-related topics such as TLS, OWASP, certificate handling but not limited to.
</p><p>Effective communication skills in English and ability to understand business requirements.
</p><p>It will be plus to have hands-on experience with:
</p><p>Tomcat &amp; RESTEasy.
</p><p>JavaFX.</p></div>

Senior Software Engineer - Java Backend Developer

Sails Software

<p></p><div><div><div><div><div><div>Hyderabad
<div>Work Type: Full Time
</div></div></div><div><p>
</p></div></div></div></div><div><div><div><div>Looking for a professionals with Java Backend, Java Fullstack Develpoer, SDET, SRE and .NET Professionals<br>
Please find the attached link for the JD for the open requirements.</div><div></div><div><b><br>
Java Developer:</b><br>
<br>
Skill Set: Java, Springboot, hibernate, microservices, Spring Security, GCP, SQL<br>
Experience: 5+ Years<br>
Location: Vizag / Hyderabad-WFO</div><div></div><div><b><br>
Fullstack Developer:</b><br>
</div><div>
Skill Set: Java, Angular,Springboot, microservices GCP, SQL<br>
Experience: 5+ Years<br>
Location: Vizag / Hyderabad-WFO</div><div></div><div><b><br>
SDET:</b></div><div></div><div><br>
Skill Set:Automation, Playwright, python scripting, CI/CD, GCP, Database, migration testing<br>
Experience: 5+ Years<br>
Location: Vizag / Hyderabad-WFO<br>
</div><div><b>
.NET:</b></div><div></div><div><br>
Skill Set:.NET, Asp.NET, AWS/Azure/GCP, Rest API's, GIT, Agile development<br>
Experience: 5+ Years<br>
Location: Vizag- WFO</div><div></div><div><b><br>
SRE AWS:</b><br>
</div><div>
Skill Set: SRE/DevOps, AWS, EC2, ECS, Terraform, Kubernetes, Scripting language,
<br>
Experience: 5+ Years<br>
Location: Vizag -WFO</div></div><br>
<div></div>
<div><div><b>Open Date:</b></div>
<div>Feb-11-2026</div></div></div></div></div><div></div>

Hyderabad Walkin Drive

TAWANTECH

<div>Location: Cairo - Offshoring Industry: Banking Employment Type: Full-Time<p></p>
Role Overview<p>
We are seeking a highly skilled <b>Web / Java Developer</b> to join our offshore delivery team, supporting enterprise-grade projects for regional and international clients.</p><p>
The ideal candidate will be responsible for designing, developing, and maintaining scalable web-based applications using modern Java technologies and frameworks. This role requires strong technical expertise, attention to detail, and the ability to work collaboratively in a structured offshore environment with cross-border stakeholders.</p><p></p>
Key Responsibilities<ul><li>
Design, develop, test, and maintain <b>web-based applications</b> using Java technologies
</li><li>Build and enhance <b>backend services, RESTful APIs, and microservices architectures</b>
</li><li>Develop responsive and secure web interfaces when required
</li><li>Participate in full <b>Software Development Life Cycle (SDLC)</b> including analysis, design, implementation, testing, and deployment
</li><li>Collaborate with Business Analysts, Architects, QA teams, and DevOps engineers
</li><li>Optimize applications for <b>performance, scalability, and security</b>
</li><li>Troubleshoot, debug, and resolve production issues
</li><li>Write clean, maintainable, and well-documented code following best practices
</li><li>Participate in code reviews and technical design discussions
</li>Ensure compliance with client standards and security policies<br>
<li>
</li></ul><br>
<br>
<b>Requirements</b><br>
<ul><li>
6+ years of experience in <b>Java development</b>
</li><li>Strong proficiency in:
</li><li><ul><li><b>Java SE (Core Java)</b>
</li><li><b>Java EE (Enterprise Edition)</b>
</li><li><b>Spring Framework (Spring Boot, Spring MVC, Spring Core)</b>
</li><li>RESTful Web Services
</li><li>JPA / Hibernate
</li></ul></li><li>Solid understanding of enterprise application architecture and layered design
</li><li>Experience with relational databases (Oracle, MySQL, PostgreSQL)
</li><li>Strong understanding of OOP, design patterns, and clean architecture principles
</li><li>Experience working with Git or other version control systems
</li><li>Familiarity with Linux/Unix environments
</li></ul><p></p>Frontend / Web Technologies (Preferred)<ul><li>
HTML5, CSS3, JavaScript
</li><li>Angular / React (preferred but not mandatory)
</li><li>Bootstrap or modern UI frameworks
</li></ul><p></p>Integration &amp; DevOps Exposure<ul><li>
Experience with CI/CD pipelines (Jenkins, Azure DevOps, GitLab CI)
</li><li>Containerization (Docker) is a plus
</li><li>Basic understanding of Kubernetes is an advantage
</li><li>Experience integrating with APIs and third-party services</li></ul></div>

Java Developer

Perfect Vision

<p>Job Title: Senior Back-end Developer</p><p><b>Essential Functions</b></p><ul><li>Develop and maintain high-concurrency IoT PaaS services using the SpringBoot framework.</li><li>Design and implement IoT data collection endpoints for various communication protocols (TCP, UDP, MQTT, HTTP).</li><li>Build scalable data consumption and analysis endpoints for real-time IoT data processing.</li><li>Create robust data push endpoints and business-side APIs for seamless integration.</li></ul><p><b>Duties And Responsibilities</b></p><ul><li>Develop audio/video alarm file services and streaming media components.</li><li>Design modular architecture with protocol-specific device access components.</li><li>Write protocol decoders following predefined rules for new IoT device integrations.</li><li>Implement webhook and OpenAPI methods for third-party platform integration.</li><li>Optimize system performance for high-throughput IoT data scenarios.</li><li>Conduct comprehensive code reviews and provide technical mentorship.</li><li>Collaborate with frontend developers, DevOps engineers, and product managers.</li><li>Lead backend architecture decisions and technical initiatives.</li><li>Implement comprehensive testing strategies and monitoring solutions.</li><li>Promote and enforce development best practices and coding standards.</li><li>Participate in agile development processes and sprint planning.</li></ul><p><b>Qualification, Education, Training &amp; Certification required </b></p><ul><li>Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent experience.</li></ul><p><b>Minimum Experience &amp; Skills Required </b></p><ul><li>7+ years of professional Java backend development experience.</li><li>Proven track record of building high-concurrency distributed systems.</li><li>Experience working in agile development environments.</li><li>Experience in a senior or lead developer role.</li><li>Expert proficiency in Java (Java 8+) and the Spring ecosystem (SpringBoot, Spring MVC, Spring Security, Spring Data).</li><li>Strong proficiency with ORM and persistence frameworks, including Hibernate, JPA, JDBC, and MyBatis.</li><li>Strong experience with the Netty framework for network programming and protocol handling.</li><li>Proficiency with message queue systems (RabbitMQ, Apache Kafka).</li><li>Experience with Redis for caching and session management.</li><li>Knowledge of MongoDB for document-based data storage.</li><li>Proficiency with MySQL and relational database design.</li><li>Understanding of IoT communication protocols (TCP, UDP, MQTT, HTTP, WebSocket).</li><li>Knowledge of webhook implementation and third-party system integration.</li><li>Familiarity with streaming media protocols and audio/video processing.</li><li>Experience with version control systems (Git) and collaborative workflows.</li><li>Understanding of microservices architecture and distributed systems.</li><li>Experience with RESTful API design and OpenAPI specifications.</li></ul><p>Job Type: Full-time</p><p>Work Location: In person</p>

Senior Back-end Developer

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