senior java engineer

Zoolatech

<div><div><div><div><div><div><div><div><b>OVERVIEW</b></div>
</div><div><div>RESPONSIBILITIES</div>
</div><div><div>REQUIREMENTS</div>
</div></div></div></div><div><div><div><p>If you join our team, you&rsquo;ll be creating a system that helps to run all medical research.</p><p>
You will help to build Search functionality that will be used across all product domains.</p><p>
Clients who are both tech-savvy and courteous are a plus. They require talented engineers to assist them in delivering a great life-changing product on time.</p><p>
At Zoolatech, we're dedicated to transforming the business landscape with our comprehensive expertise in software development. Our collaboration with our client, a top-notch supplier of quality and compliance cloud-based software, is geared towards revolutionizing the creation and distribution of life sciences products.</p>
</div><div><ul><li><p>Take ownership in working with product and engineering team(s) to deliver product features</p></li><li><p>
Prepare technical documents that explain how epic will be implemented</p></li><li><p>
Collaborate closely with your team, conducting code reviews and promoting best practices</p></li><li><p>
Drive the product's evolution through active participation in SCRUM ceremonies</p></li><li><p>
Share your expertise and contribute constructive feedback in the design review process</p></li><li><p>
Foster knowledge sharing, ensuring the team's collective success</p></li><li><p>
Prioritize customer focus and deliver high-quality solutions</p></li><li><p>
Collaborate across teams and services to tackle complex challenges efficiently</p></li></ul>
</div><div><ul><li><p>5+ years with Java</p></li><li><p>
Great spoken and written English</p></li><li><p>
Passion and dedication</p></li><li><p>
Strong sense of ownership</p></li><li><p>
Strong product and quality mindset</p></li><li><p>
Strong understanding of distributed systems design / event-driven design</p></li><li><p>
Experience of building scaled SaaS products</p></li><li><p>
Solid Knowledge/experience with data structures and concurrency</p></li><li><p>
Able to solve algorithmic tasks / analyse algorithm complexity</p></li><li><p>
Solid experience with Spring (Spring Security, SpringBoot, Spring Data)</p></li><li><p>
Solid experience with RDBMS(s) like PostgreSQL</p></li><li><p>
Strong knowledge of REST APIs, microservices</p></li><li><p>
nice to have - experience with AWS (EC2, SQS, Lambda, S3...)</p></li><li><p>
nice to have - Kafka / Rabbit</p></li><li><p>
Experience with Docker, Kubernetes, CI/CD (GitHub Actions, ArgoCD), monitoring/alerting</p></li></ul>
</div></div></div><div><div><div><div><p>Location:
</p><div>Istanbul, Turkey
</div></div><div><p>Seniority:
</p><div>Senior
</div></div><div><p>Technologies:
</p><div>Java
</div></div></div></div><div><div><p>Benefits:
</p><ul><li><b>Paid Vacation
</b></li><li><b>Hybrid Work (home/office)
</b></li><li><b>Sick Days
</b></li><li><b>Sport/Insurance Compensation
</b></li><li><b>Holidays Day Off
</b></li><li><b>English Classes
</b></li><li><b>Training Compensation
</b></li><li><b>Transportation compensation</b></li></ul></div></div></div></div></div></div>

Senior Java Engineer

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)

Discovered MENA

<div>
 <p>
  We are currently supporting a well-established and rapidly growing technology consultancy based in Dubai, on the lookout for skilled Java Developers to join their team. This is an exciting opportunity to work on confidential, cutting-edge projects in the online gaming and entertainment space, including platforms similar in scale and complexity to real-time messaging and gaming apps.
 </p>
 <p>
  <br/>
 </p>
 <p>
  If you're passionate about building high-performance, scalable systems and open to an international move, this could be a game-changer for your career.
 </p>
 <p>
  <br/>
 </p>
 <p>
  💡 What You&rsquo;ll Be Working On
 </p>
 <p>
  <br/>
 </p>
 <p>
  You'll be part of a cross-functional team building innovative solutions for high-traffic, global platforms in the digital entertainment space. Projects vary, from real-time communication platforms to secure, cloud-based gaming systems.
 </p>
 <p>
  <br/>
 </p>
 <p>
  🧰 Tech Stack &amp; Environment
 </p>
 <ul>
  <li>
   Core Java / Java 11+
  </li>
  <li>
   Spring Boot, REST APIs
  </li>
  <li>
   Microservices architecture
  </li>
  <li>
   Messaging (Kafka, RabbitMQ or similar)
  </li>
  <li>
   Relational &amp; NoSQL Databases
  </li>
  <li>
   CI/CD, Docker, Kubernetes
  </li>
  <li>
   Cloud (AWS/GCP/Azure)
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  ✅ What We&rsquo;re Looking For
 </p>
 <ul>
  <li>
   4+ years of experience in Java backend development
  </li>
  <li>
   Strong understanding of microservices and scalable system design
  </li>
  <li>
   Experience with cloud-native applications
  </li>
  <li>
   Bonus: Experience in gaming, fintech, or high-load environments
  </li>
  <li>
   Willingness to relocate to Dubai (relocation assistance provided)
  </li>
 </ul>
 <p>
  <br/>
 </p>
 <p>
  🌍 Why Apply?
 </p>
 <ul>
  <li>
   Relocate to Dubai &ndash; a fast-growing global tech hub
  </li>
  <li>
   Work with an international, inclusive team of 250+
  </li>
  <li>
   Be part of confidential projects with global impact
  </li>
  <li>
   Join a business that blends start-up energy with enterprise-level resources
  </li>
  <li>
   Enjoy a tax-free salary, sunny weather, and vibrant expat lifestyle
  </li>
 </ul>
 <p>
 </p>
</div>


Senior Java Software Engineer

<div><div><div><div><div><div><div><div><b>OVERVIEW</b></div>
</div><div><div>RESPONSIBILITIES</div>
</div><div><div>REQUIREMENTS</div>
</div></div></div></div><div><div><div><p>Join the engineering team and help build scalable backend services that power one of the world&rsquo;s leading meal-kit delivery platforms.</p><p></p>
The team is responsible for ensuring that millions of customers around the world can pay seamlessly and securely for their subscriptions.<p></p>
You&rsquo;ll work in a high-scale, event-driven microservices environment focused on <b>supporting and expanding our payment capabilities</b>.<p></p><p>
Right now, our main goal is to <b>implement new payment methods via existing providers</b>, making sure that recurring payments are successful or recovered on time. The scope of work includes extending existing systems, integrating with third-party payment providers, and ensuring that all changes are <b>well-tested, documented, and smoothly integrated</b>.</p>
</div><div><ul><li><p>Design, build, and maintain <b>backend microservices</b> within a <b>high-scale, event-driven</b> environment.</p></li><li><p><b>
Add and maintain payment options</b> for customers through existing providers.</p></li><li><p>
Implement new payment methods and ensure they are technically sound, stable, and fully tested.</p></li><li><p>
Work with <b>AWS, Kubernetes</b>, and <b>CI/CD pipelines</b> to ensure reliable and automated delivery.</p></li><li><p>
Design and maintain REST/gRPC APIs, integrating with Kafka, SNS/SQS, PostgreSQL, and Redi<b>s</b>.</p></li><li><p>
Focus on quality, security, and resilience &mdash; including testing (unit, integration, contract).</p></li><li><p>
Strengthen observability and system reliability through logging, metrics, tracing, and runbooks.</p></li><li><p>
Work in an Agile environment.</p></li><li><p>
Participate in code reviews, share knowledge, and contribute to team growth.</p></li></ul>
</div><div><ul><li><p>5+ years of professional backend development experience.</p></li><li><p>
Strong expertise in <b>Kotlin (and Java)</b>, building <b>scalable microservices, </b>ideally in high-traffic or e-commerce environments.</p></li><li><p>
Hands-on experience with <b>Kubernetes</b>, <b>AWS</b>, and <b>CI/CD pipelines</b>.</p></li><li><p>
Familiarity with event-driven architectures and message brokers (Kafka, SNS/SQS).</p></li><li><p>
Solid understanding of PostgreSQL and Redis.</p></li><li><p>
Experience in <b>testing best practices</b> (unit, integration, contract, TDD).</p></li><li><p>
Knowledge of <b>Grafana</b> for monitoring and observability.</p></li><li><p>
Experience with <b>A/B testing frameworks</b> is an advantage.</p></li><li><p>
Excellent English communication skills &ndash; clear, structured, and collaborative.</p></li></ul>
</div></div></div><div><div><div><div><p>Location:
</p><div>Istanbul, Turkey
</div></div><div><p>Seniority:
</p><div>Senior
</div></div><div><p>Technologies:
</p><div>Kotlin
</div></div></div></div><div><div><p>Benefits:
</p><ul><li><b>Paid Vacation
</b></li><li><b>Hybrid Work (home/office)
</b></li><li><b>Sick Days
</b></li><li><b>Sport/Insurance Compensation
</b></li><li><b>Holidays Day Off
</b></li><li><b>English Classes
</b></li><li><b>Training Compensation
</b></li><li><b>Transportation compensation</b></li></ul></div></div></div></div></div></div>

Senior Kotlin/Java Engineer

MINDERA

<div><p>At <b>Mindera</b>, we build technology with passion and purpose. Our Supply Chain Technology team powers the backbone of food distribution and inventory management through robust systems and modern engineering practices.</p><h3 class="jobSectionHeader"><b>
About the Role</b></h3><p>
We&rsquo;re looking for a <b>Senior Software Engineer</b> to design, enhance, and maintain our <b>Blue Yonder (JDA) Warehouse Management System (WMS)</b> and Java-based microservices ecosystem. You&rsquo;ll work in a collaborative team ensuring reliability, performance, and scalability across our supply chain platform.</p><p><b>
Requirements</b></p><p></p><h3 class="jobSectionHeader"><b>
Key Responsibilities</b></h3><ul>
<li>Enhance and maintain the <b>Blue Yonder WMS</b> to improve scalability, performance, and reliability.
</li><li>Design, develop, and maintain <b>Java-based integrations and microservices</b> supporting WMS.
</li><li>Work with <b>Oracle SQL and PL/SQL</b> for performance tuning and data integrity.
</li><li>Collaborate with global teams (Product, Operations, Engineering) to deliver reliable software.
</li><li>Implement <b>automation, monitoring, and observability</b> best practices.
</li><li>Troubleshoot incidents in a mission-critical, high-availability environment.
</li><li>Ensure seamless integration with ERP, transport, and inventory systems.
</li></ul><h3 class="jobSectionHeader"><b>Technical Skills</b></h3><ul>
<li>Strong experience in <b>Java / Spring Framework</b> (6+ years).
</li><li>Deep understanding of <b>Blue Yonder (JDA) WMS</b> or similar systems.
</li><li>Expertise in <b>Oracle SQL and PL/SQL</b> with database optimization skills.
</li><li>Hands-on with <b>REST/SOAP APIs</b>, integrations, and CI/CD tools (Jenkins, GitLab CI).
</li><li>Familiarity with <b>Prometheus, Grafana</b>, and microservices architecture.
</li><li>Exposure to <b>SaaS/Cloud-based supply chain systems</b>.
</li></ul><h3 class="jobSectionHeader"><b>Soft Skills</b></h3><ul>
<li>Strong communication and analytical skills.
</li><li>Ability to collaborate with international teams (especially Europe).
</li><li>Team player, adaptable, and proactive in problem-solving.
</li></ul><p><b>Benefits</b></p><h3 class="jobSectionHeader"><b>
We Offer</b></h3><ul>
<li>Fun, happy and politics-free work culture built on the principles of lean and self organisation;</li>
<li>Work with large scale systems powering global businesses;</li>
<li>Competitive salary and benefits.</li>
</ul><h3 class="jobSectionHeader"><b>About Mindera</b></h3><p>
At Mindera we use technology to build products we are proud of, with people we love.</p><p>
Software Engineering Applications, including Web and Mobile, are at the core of what we do at Mindera.</p><p>
We partner with our clients, to understand their product and deliver high performance, resilient and scalable software systems that create an impact in their users and businesses across the world.</p><p>
You get to work with a bunch of great people, where the whole team owns the project together.</p><p>
Our culture reflects our lean and self-organisation attitude. We encourage our colleagues to take risks, make decisions, work in a collaborative way and talk to everyone to enhance communication.</p><p>
We are proud of our work and we love to learn all and everything while navigating through an Agile, Lean and collaborative environment.</p><p>
Follow our Linkedln page - https://tinyurl.com/minderaindia</p><p>
Check ot our Blog: http://mindera.com/ and our Handbook: http://bit.ly/MinderaHandbook</p><p>
Our offices are located: Aveiro, Portugal | Porto, Portugal | Leicester, UK | San Diego, USA | San Francisco, USA | Chennai, India | Bengaluru, India</p></div>

Senior Java Engineer - Blue Yonder WMS / Supply Chain Systems

Appstrice Technologies

<p><b>Job Title: Senior Software Engineer &ndash; Java &amp; Spring Boot</b></p><p><b>Location:</b> Bangalore</p><p><b>Experience:</b> 3-5, 5&ndash;8 years</p><p><b>Employment Type:</b> Full-Time</p><p><b>Department:</b> Engineering / Product Development</p><p><b>Reporting To:</b> Engineering Manager / CTO</p><p><b>Role Overview</b></p><p><i><b>We are looking for a technically strong and conceptually clear </b></i><b>Senior Software Engineer</b> with hands-on experience in <b>Java (11/16/21)</b>, <b>multithreading</b>, and <b>FastAPI</b>. This role demands deep understanding of core Java principles, concurrent programming, and backend API development. You&rsquo;ll be expected to contribute to system design, mentor junior developers, and build scalable, high-performance applications.</p><p><b>Key Responsibilities</b></p><p><i><b>&middot; </b></i> <i>Design and develop robust backend systems using Java and Spring Boot</i></p><p><i>&middot; Implement multithreaded solutions with proper concurrency control</i></p><p><i>&middot; Architect RESTful APIs with asynchronous handling and optimal performance</i></p><p><i>&middot; Apply design patterns to solve real-world engineering problems</i></p><p><i>&middot; Collaborate with cross-functional teams to translate business requirements into technical solutions</i></p><p><i>&middot; Participate in code reviews, system design discussions, and performance tuning</i></p><p><i>&middot; Solve algorithmic challenges and optimize data structures for production-grade systems</i></p><p><b>Technical Expertise Required</b></p><p><i><b>&middot; </b></i><i>Java Fundamentals: Syntax, OOP principles, JVM memory model</i></p><p><i>&middot; Generics: Type safety, bounded types, wildcards</i></p><p><i>&middot; Exception Handling: Checked vs unchecked, custom exceptions</i></p><p><i>&middot; Functional Interfaces &amp; Lambdas: Predicate, Function, Consumer, lambda syntax</i></p><p><i>&middot; Stream API: Filtering, mapping, reduction, collectors</i></p><p><i>&middot; Futures &amp; Locks: CompletableFuture, ReentrantLock, concurrency control</i></p><p><i>&middot; Multithreading: Thread lifecycle, synchronization, deadlocks</i></p><p><i>&middot; Semaphores: Permits, thread coordination, bounded resources</i></p><p><i>&middot; SprintBoot: RESTful design, endpoints, async handling</i></p><p><i>&middot; DSA &amp; Logical Thinking: Arrays, trees, graphs, recursion, problem-solving</i></p><p><i>&middot; Design Patterns: Singleton, Factory, Strategy with real-world applications</i></p><p><b>Evaluation Criteria</b></p><p><i><b>&middot; </b></i> <i>Conceptual clarity across core topics</i></p><p><i>&middot; Ability to explain trade-offs and use cases</i></p><p><i>&middot; Demonstrated practical examples and project experience</i></p><p><i>&middot; Readiness for hands-on coding and system design challenges</i></p><p><i>&middot; Strong communication and mentoring skills</i></p><p>Apply here</p><p>https://app.talowiz.com/get-started/CMPNCHNLS5SUOY0Y6/CMPN48PTUZ809/ASSMNTRNDQ0V99NO07?it=OPEN&amp;tid=CMP74&amp;wmc=FLWMSTRKF0EVEXG9</p><p>Job Type: Full-time</p><p>Pay: &#8377;567,632.60 - &#8377;1,945,426.70 per year</p><p>Benefits:</p><ul><li>Health insurance</li><li>Provident Fund</li></ul><p>Work Location: In person</p>

Senior Software Engineer (Java & Fast API)

InterQuest Group (UK) Limited

<p><strong>Senior Software Engineer - Java (Digital Consultancy) - Leeds - Hybrid - up to £85K</strong> <br> <br> We're working with a rapidly growing UK digital consultancy with a headcount of 500+ and offices across the UK.</p><p>They combine technical excellence with a supportive culture that genuinely puts people first.</p><p>This is an opportunity to join a cross-functional agile team delivering innovative solutions across industries  click apply for full job details<img src="https://www.jobg8.com/Tracking.aspx?FmvgIOg1b093MWTo%2fDJC5UQUKc1dmEqIl" width="0" height="0" />

Senior Software Engineer Leeds

Search 10000+ Senior java engineer jobs near you this October. New roles added regularly across leading industries. Apply today.