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B&B Hotel Hannover-City

<p><b>Job Brief:</b></p><p>Are you a <b>Senior Backend Developer</b> with <b>7+ years</b> of robust experience specializing in <b>Java and high-performance SQL databases</b>? Are you meticulous about data integrity, security, and optimizing mission-critical backend services and data models? <b>.</b> If so, this is the opportunity with one of our client!</p><p><b>Key Responsibilities:</b></p><ul><li>Design, implement, and maintain the project's data model, ensuring integrity, performance, and security.</li><li>Develop, test, and maintain high-performance backend services and APIs using <b>Java</b>.</li><li>Manage, tune, and support database environments (e.g., SQL Server, PostgreSQL, Oracle).</li><li>Assist the development team with debugging, optimizing complex <b>SQL queries, and stored procedures</b>.</li><li>Champion database performance tuning, backup/recovery strategies, and data security standards.</li></ul><p><b>Required Qualifications/Experience/Skills:</b></p><ul><li><b>7+ years</b> of professional experience in Java development and database management.</li><li>Expert proficiency in <b>Java</b> and related enterprise frameworks.</li><li>Deep expertise in <b>SQL</b>, data modeling, query optimization, and database performance tuning.</li><li>Experience with relational database administration and security best practices.</li></ul><p><b>Job Location: Remote</b></p><p><b>Type of Employment: Permanent / Full time</b></p><p><b>Salary: Negotiable (based on experience)</b></p><p>What you can expect from the employer:</p><ul><li>Competitive salary based on experience.</li><li>Work on cutting-edge digital oilfield initiatives.</li><li>Collaborative and innovative environment.</li><li>Remote flexibility and global exposure.</li></ul><p>Job Types: Full-time, Permanent</p><p>Application Question(s):</p><ul><li>Do you have 7 or more years of professional experience specifically in Java development and high-performance SQL database management?</li></ul><ul><li>Are you currently proficient with modern Java/J2EE and related enterprise frameworks for mission-critical backend development?</li></ul><ul><li>Do you possess expert-level skills in writing and optimizing complex SQL queries and designing data models for relational databases?</li></ul>

Senior Backend Developer (Java/SQL)

Binance

<div><div>Binance is a leading global blockchain ecosystem behind the world&rsquo;s largest cryptocurrency exchange by trading volume and registered users. We are trusted by over 280 million people in 100+ countries for our industry-leading security, user fund transparency, trading engine speed, deep liquidity, and an unmatched portfolio of digital-asset products. Binance offerings range from trading and finance to education, research, payments, institutional services, Web3 features, and more. We leverage the power of digital assets and blockchain to build an inclusive financial ecosystem to advance the freedom of money and improve financial access for people around the world.</div><div></div><div><b><br>
About the team</b></div><div>
Binance Cloud is a comprehensive exchange infrastructure solution that enables qualified entities to effortlessly deploy and launch a crypto exchange. Leveraging Binance&rsquo;s cutting-edge technology, Binance Cloud provides top-tier liquidity, strong regulatory compliance, and system stability, with ample room for customization.<br>
</div><div></div><br>
<div>We are seeking a mid to senior level Java Engineer with a robust background in developing our trading systems. The ideal candidate will possess expertise in designing high-concurrency, high-availability systems.</div>
<h3 class="jobSectionHeader"><b>Responsibilities</b></h3><ul><li>
Design, develop, and maintain high-performance Java-based applications for spot or futures trading systems</li><li>
Architect and implement scalable, low-latency, and fault-tolerant systems to handle high-concurrency workloads</li><li>
Optimize system performance to ensure high availability and reliability under demanding conditions</li><li>
Collaborate with cross-functional teams, including product managers, DevOps, and other developers, to deliver robust solutions</li><li>
Write clean, maintainable, and well-documented code following best practices</li><li>
Troubleshoot and resolve complex technical issues in production environments</li><li>
Stay updated on industry trends and emerging technologies to continuously improve system capabilities</li><li>
Participate in code reviews, mentoring junior developers, and fostering a culture of technical excellence</li></ul><h3 class="jobSectionHeader"><b>
Requirements</b></h3><ul><li>
Bachelor's/Master's degree in Computer Science, Engineering or a related field</li><li>
5+ years of experience with backend development</li><li>
Strong expertise in designing and implementing high-concurrency, high-availability systems</li><li>
Proficiency in Java frameworks and tools (e.g., Spring, Hibernate, Maven)</li><li>
Deep understanding of multithreading, concurrency patterns, and distributed systems</li><li>
Experience with messaging systems (e.g., Kafka, RabbitMQ) and database technologies (e.g., SQL, NoSQL)</li><li>
Familiarity with microservices architecture and cloud platforms (e.g., AWS, Alibaba Cloud)</li><li>
Strong problem-solving skills and ability to work under pressure in a fast-paced environment</li><li>
Adaptive mindset with a willingness to learn and embrace new challenges</li><li>
Bilingual English/Mandarin is required to be able to coordinate with overseas partners and stakeholders</li></ul><div><b>
Why Binance</b></div><ul><li>Shape the future with the world&rsquo;s leading blockchain ecosystem</li><li>Collaborate with world-class talent in a user-centric global organization with a flat structure</li><li>Tackle unique, fast-paced projects with autonomy in an innovative environment</li><li>Thrive in a results-driven workplace with opportunities for career growth and continuous learning</li><li>Competitive salary and company benefits</li><li>Work-from-home arrangement (the arrangement may vary depending on the work nature of the business team)</li></ul><div></div><div><br>
Binance is committed to being an equal opportunity employer. We believe that having a diverse workforce is fundamental to our success.</div><div><i>
By submitting a job application, you confirm that you have read and agree to our </i><b><i>Candidate Privacy Notice</i></b><i>.</i></div>
<p>
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.</p></div>

Senior Java Engineer - Cloud Tech (Trading Systems)

Revolut

<div><span style="font-size: 11px;"><b>**About Revolut**</b></span></div><div><span style="font-size: 11px;">People deserve more from their money: more visibility, control, and freedom. Since 2015, Revolut has been on a mission to deliver this. Our products—including spending, saving, investing, exchanging, and travelling—help 65+ million customers get more from their money daily. Our success relies on our people and culture. Recognized as a Great Place to Work, we have 10,000+ employees worldwide working in offices and remotely. We seek brilliant people who love building great products and simplifying complexity.</span></div><div><span style="font-size: 11px;"><br></span></div><div><span style="font-size: 11px;"><b>**About The Role**</b></span></div><div><span style="font-size: 11px;">Our Technology team builds the systems and experiences that keep Revolut moving. They develop infrastructure behind our app and features used globally, bringing sharp thinking, speed, and meaningful impact. We are looking for a Backend Engineer who wants to change the world. If you want your work to impact global finance, this role is for you.</span></div><div><span style="font-size: 11px;"><br></span></div><div><span style="font-size: 11px;"><b>**Technology Stack**</b></span></div><div><span style="font-size: 11px;"><br></span></div><div><span style="font-size: 11px;">* Java 17/21</span></div><div><span style="font-size: 11px;">* GCP, Kubernetes, Grafana, Prometheus, NewRelic</span></div><div><span style="font-size: 11px;">* PostgreSQL, Redis</span></div><div><span style="font-size: 11px;">* Spock, SparkJava</span></div><div><span style="font-size: 11px;">* JOOQ, Flyway</span></div><div><span style="font-size: 11px;"><br></span></div><div><span style="font-size: 11px;"><b>**What You’ll Be Doing**</b></span></div><div><span style="font-size: 11px;"><br></span></div><div><span style="font-size: 11px;">* Building mobile APIs</span></div><div><span style="font-size: 11px;">* Developing microservices to evolve architecture</span></div><div><span style="font-size: 11px;">* Perfecting systems like risk management, fraud detection, and payment processing</span></div><div><span style="font-size: 11px;">* Greenfield development and improving existing systems</span></div><div><span style="font-size: 11px;"><br></span></div><div><span style="font-size: 11px;"><b>**What You'll Need**</b></span></div><div><span style="font-size: 11px;"><br></span></div><div><span style="font-size: 11px;">* Fluency with Java</span></div><div><span style="font-size: 11px;">* 6+ years of backend development experience</span></div><div><span style="font-size: 11px;">* Bachelor’s degree in Computer Science, Maths, Physics, or related field</span></div><div><span style="font-size: 11px;">* Quick learner, ambitious, results-driven</span></div><div><span style="font-size: 11px;">* Team player in fast-paced environment</span></div><div><span style="font-size: 11px;">* Excellent communication and organizational skills</span></div><div><span style="font-size: 11px;">* Fluency in English</span></div><div><span style="font-size: 11px;"><br></span></div><div><span style="font-size: 11px;"><b>**Nice to Have**</b></span></div><div><span style="font-size: 11px;"><br></span></div><div><span style="font-size: 11px;">* Experience with Kotlin or Scala</span></div><div><span style="font-size: 11px;">* Experience in finance</span></div><div><span style="font-size: 11px;">* Experience in a startup or scale-up</span></div><div><span style="font-size: 11px;">* Experience in a product-focused environment</span></div><div><span style="font-size: 11px;"><br></span></div><div><span style="font-size: 11px;"><b>**Inclusion &amp; Diversity**</b></span></div><div><span style="font-size: 11px;">Revolut launched a D&amp;I Framework in 2021 to foster diversity and inclusion. We encourage applicants from diverse backgrounds to join this multicultural, hard-working team.</span></div><div><span style="font-size: 11px;"><br></span></div><div><span style="font-size: 11px;"><b>**Important Notice for Candidates**</b></span></div><div><span style="font-size: 11px;"><br></span></div><div><span style="font-size: 11px;">* Only apply through official Revolut channels; beware of scams.</span></div><div><span style="font-size: 11px;">* Revolut will never ask for payment or personal financial information. Report suspicious activity immediately.</span></div><div><span style="font-size: 11px;">* By applying, you confirm that all information provided is true and complete. False information may result in application rejection, offer withdrawal, or termination of employment. Personal data will be processed according to Revolut's Candidate Privacy Notice.</span></div><div><br></div>

Software Engineer (Java) - Mid/Senior

VISTAJET

<p><strong>Your Responsibilities</strong></p>
<ul> <li>Maintain and develop systems and processes to help the team deploy, monitor, test and continuously deliver new features and improvements to our technology.</li> <li>Work closely with the whole development team to constantly review platform architecture and infrastructure with internal stakeholders, driving innovation and best practice across the entire tech team.</li> <li>Ensure the software delivered has a high-quality standard.</li> <li>Proactively seek opportunities to adopt continuous improvement initiatives. Champion efficiency, automation, and software development best practice in general.</li> <li>Provide technical consultation as well as expertise to Project Managers and technical stakeholders (solution architects, security architects, infrastructure etc.) to shape maintainable, high-performing, reliable, secure and cost-effective solutions.</li> <li>Assist with designing solutions for the project.</li> <li>Collaborate to maintain roadmap, estimations and oversee the delivery of projects, estimations and user stories.</li> <li>Coordinate to resolve impediments, and conduct root cause analysis.</li> <li>Troubleshoot escalated issues along with the support team.</li> </ul>
<p><strong>Required Skills, Qualifications, and Experience</strong></p>
<ul> <li>10+ years of Java experience.</li> <li>Experience with AWS Cloud Native and serverless architecture. (Example: Lambda, Step Function, API Gateway, S3, SQS, SNS, Event Bridge, AppSync etc.)</li> <li>Experience with gitlab pipelines, maven, gradle, Pulumi, Terraform.</li> <li>Experience with Serverless storage and database management systems. (Example: S3, EFS, Aurora/RDS, DynamoDB, DocumentDB etc.)</li> <li>Experience with RESTful APIs, GraphQL and API Gateway.</li> <li>Experience with Unit and Integration test.</li> <li>Experience with JIRA, Confluence.</li> </ul>
<p><strong>Additional knowledge/skills</strong></p>
<ul> <li>Knowledge in relational DBs (MySQL, Oracle, Aurora) and SQL.</li> <li>Good understanding of Scrum, Agile development &amp; DevOps.</li> <li>Good understanding of DDD, BDD, TDD and Design Patterns.</li> <li>Python, NodeJS and TypeScript as a plus.Full Stack development experience as a plus.</li> <li>Full Stack development experience as a plus.</li> </ul>

Senior Java Engineer

Digitide Solutions Limited

<p> </p> <p>Require full stack JAVA developer who is capable of designing &amp; developing high quality JAVA micro services &amp; EE applications.</p> <br> <ul> <li>Location : Dubai</li> <li>Exp - 6+ Years</li> <li>Employee Type : Contract</li> <li>Benefits Will provide residence visa &amp; medical </li> </ul> <br> <p>Major skills / technologies required:</p> <p>Core Skills Details</p> <p>Java</p> <p>OOP, Design Patterns, Multithreading, Java 8+, Java 21, Lambda, Stream API, REST service, Kotlin, Groovy,</p> <p>Spring Boot</p> <p>Annotations, Gradle, Maven, Spring JPA, Spring AOP, Spring security, Junit</p> <p>Micro services</p> <p>Service Mesh, Service Discovery, Cloud Config, Spring Cloud</p> <p>Databases</p> <p>MySQL, PostgreSQL, Oracle, SQL Server,</p> <p>Tools</p> <p>IntelliJ, STS, Eclipse, SoapUI, Postman, Git, Confluence, Jira</p> <p>Cloud Ready</p> <p>Docker files, Containers, Kubernetes, AWS, Azure</p> <p>Experience &amp; Soft Skills</p> <ul> <li>Total Experience up to 5-10 years</li> <li>Good Experience on handling Platform/Hosting support functionality.</li> <li>Banking Experience is preferred</li> <li>Strong analytical and problem-solving abilities.</li> <li>Excellent communication and teamwork skills.</li> <li>Ability to work independently and manage multiple tasks effectively.</li> <li>A proactive approach to learning new technologies and improving existing processes.</li> </ul> <p>Responsibilities</p> <ul> <li>The developer will primarily be responsible for designing, developing, maintaining &amp; providing support for JAVA back end services and APIs</li> <li>Analyze requirement and formalize technical approach for the implementation</li> <li>Test Driven development and implementation of middleware services end to end.</li> <li>Maximum code coverage (&gt; 80%) through Junit test cases</li> <li>Handling all penetration testing scenarios.</li> <li>Bug free application release by ensuring best quality of code in all aspects.</li> <li>Implement security measures to protect user data and application integrity.</li> <li>Stay informed about common security vulnerabilities and how to mitigate them.</li> </ul> <p> </p> <p>Good To Have</p> <p>API</p> <p>API Gateway knowledge (Kong / CA API GW / Azure API GW / AWS API GW)</p> <p>Agile</p> <p>Scrum, Kanban, Test Driven Development</p> <p>DevOps</p> <p>Git (and TFS), Gradle, Maven, Azure dev ops, Build pipelines, GitHub CI CD</p>

Java Developer + Lead

Tiling mason

<p>We are seeking a skilled <b>IT Staff / Full Stack Developer</b> who can work with <b>low-code platforms</b> and handle <b>general IT operations</b>. The candidate will develop and maintain business applications (AppSheet, ERP, and WhatsApp API), manage system integrations, and support the company&rsquo;s overall IT infrastructure.</p><p><b>Key Responsibilities:</b></p><ul><li>Develop and maintain <b>custom business applications</b> using <b>AppSheet</b> and other low-code platforms.</li><li>Design and code user interfaces using <b>HTML, CSS, and JavaScript</b>.</li><li>Build backend functionalities using <b>Java</b> or similar frameworks.</li><li>Integrate systems such as <b>ERP, WhatsApp API, and Google Workspace</b> to automate workflows.</li><li>Ensure data consistency and synchronization across connected systems.</li><li>Design and implement <b>user-friendly dashboards and interfaces</b>.</li><li>Support and troubleshoot application, network, and system issues.</li><li>Perform <b>general IT duties</b>, including:</li><li>Managing computers, printers, and network connections.</li><li>Installing and updating software and hardware.</li><li>Maintaining data backups and IT security protocols.</li><li>Coordinating with vendors for technical support when required.</li><li>Collaborate with internal teams to enhance productivity through technology solutions.</li></ul><p><b>Qualifications:</b></p><ul><li>Bachelor&rsquo;s degree in <b>Computer Science, Information Technology, or a related field</b>.</li><li>Proven experience as a <b>Full Stack Developer</b> or <b>IT Support / App Developer</b>.</li><li>Proficiency in <b>HTML, CSS, JavaScript, and Java</b>.</li><li>Experience with <b>API integrations</b>, particularly <b>WhatsApp Business API</b> and <b>ERP systems</b>.</li><li>Familiarity with <b>Google Apps Script</b>, <b>SQL</b>, or cloud automation tools is an advantage.</li><li>Strong knowledge of general IT maintenance, troubleshooting, and system setup.</li><li>Excellent communication and problem-solving skills.</li></ul><p>Job Type: Full-time</p><p>Pay: AED4,000.00 - AED6,000.00 per month</p><p>Application Question(s):</p><ul><li>Based in UAE </li><li>Willing to join immediately</li></ul>

IT Staff – Full Stack / Low-Code Developer

Tej Infotech

<span style="font-size: 11px;">We are currently hiring for the position of&nbsp;&nbsp;</span><b><span style="font-size: 11px;">Java Developer</span><br></b><br><span style="font-size: 11px;">Candidates must be from Dubai / UAE location.</span><br><br>Must have&nbsp; 1+ Year Experience<br><br>Dubai / UAE <br><br>&nbsp;Full Time

Java Developer

Explore 2845+ Senior java developer in Dubai this November. Find roles across top companies and apply now to boost your career.