Qureos Mentor

oryxsearch.io

<div>
 
 
 About Us
 
 
 
 
 
 
 We process millions of transactions every day and are scaling fast. Our Payments team is at the core of this growth, enabling secure, scalable, and seamless payment experiences globally.
 
 
 
 
 
 
 Job Summary
 
 
 
 We are seeking a
 
 Senior Java Engineer
 
 to join our high-performing
 
 Payments Engineering
 
 team. This role requires deep expertise in Java, strong knowledge of payment systems, and experience building distributed, high-availability systems. You will be instrumental in designing and developing mission-critical payment processing services that power our platform's financial transactions.
 
 
 
 
 
 
 Key Responsibilities
 
 
 <ul>
 <li>
 Design, develop, and maintain robust Java-based backend services for real-time payment processing.
 </li>
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 Build and optimize payment integrations with acquirers, gateways, networks (e.g., Visa, Mastercard), and banking partners.
 </li>
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 Ensure low-latency, high-throughput, and fault-tolerant transaction systems.
 </li>
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 Collaborate closely with Product, Risk, Security, and DevOps teams to deliver end-to-end payment features.
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 <li>
 Lead architectural decisions for new systems and propose improvements to existing payment infrastructure.
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 Implement compliance and security best practices (PCI DSS, PSD2, etc.) in all payment solutions.
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 Conduct code reviews, mentor junior engineers, and enforce engineering best practices.
 </li>
 <li>
 Monitor and troubleshoot production systems to maintain SLA and transaction integrity.
 </li>
 <li>
 Contribute to roadmap planning and technical strategy in the payments domain.
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 </ul>
 <li>
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 Requirements
 
 
 
 
 Technical Skills:
 
 
 <ul>
 <li>
 6+ years of experience in backend software development with Java (Java 8+).
 </li>
 <li>
 Strong understanding of distributed systems, microservices, RESTful APIs, and messaging systems (e.g., Kafka, RabbitMQ).
 </li>
 <li>
 Proven experience in designing and building payment or fintech-related systems (e.g., payment gateways, acquiring/issuing, settlement, fraud prevention).
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 Deep knowledge of transaction processing, idempotency, retries, and failure handling.
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 Experience with relational databases (PostgreSQL, MySQL) and NoSQL (Redis, Cassandra, etc.).
 </li>
 <li>
 Familiarity with security and compliance requirements in payment systems (PCI DSS, encryption, tokenization).
 </li>
 </ul>
 
 
 
 
 
 Nice to Have
 
 
 <ul>
 <li>
 Experience with cloud platforms (AWS, GCP, or Azure).
 </li>
 <li>
 Familiarity with containerization and orchestration (Docker, Kubernetes).
 </li>
 <li>
 Knowledge of ISO 8583, SWIFT, SEPA, or other financial messaging standards.
 </li>
 <li>
 Experience with observability tools (Prometheus, Grafana, ELK, etc.).
 </li>
 </ul>
 
 
 
 
 
 Why Join Us
 
 
 <ul>
 <li>
 Opportunity to work on high-impact, global payment systems.
 </li>
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 Competitive salary and equity packages.
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 Flexible working hours and remote options.
 </li>
 <li>
 Learning and development budget.
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 A strong engineering culture focused on innovation and quality.
 </li>
 </ul>
 
 
</div>

Senior Software Engineer (Fintech)

<div>
 
 
 Role: Senior/Lead- AI/ML Scientist &ndash; Personalization &amp; GenAI (Dubai based)
 
 
 
 
 
 
 Join a high-performing Data Science team whose mission is to drive competitive value through scalable AI solutions. The team builds models that enhance user experiences, enable better decision-making, improve operational efficiency, and shape the regional AI ecosystem. As a senior technical leader, you&rsquo;ll help define the future of personalization and user engagement using Generative AI and advanced machine learning.
 
 
 
 
 
 
 Key Responsibilities
 
 
 <ul>
 <li>
 Lead end-to-end AI transformation focused on personalization in a consumer-facing application.
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 Define and execute a long-term vision for customer acquisition and engagement strategies powered by data and AI.
 </li>
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 Conduct exploratory analysis to understand user behavior, discover optimization opportunities, and develop behavior models to inform product enhancements.
 </li>
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 Design and deploy data/ML instrumentation to extract insights and optimize the product experience.
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 Provide strategic product guidance through data-driven recommendations, experimentation insights, and root cause analyses.
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 Build and scale machine learning algorithms and pipelines to production using big data technologies.
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 Develop and deploy retrieval-augmented generation (RAG) systems and LLM-based applications.
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 Design and evaluate A/B tests and communicate results across cross-functional teams.
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 Define, implement, and monitor key performance metrics for AI-driven product features.
 </li>
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 Stay up to date with industry advancements in data processing and AI/ML, and introduce best practices into the organization.
 </li>
 </ul>
 
 
 
 
 
 Requirements
 
 
 <ul>
 <li>
 7+ years of experience in data science, machine learning, and AI development across structured and unstructured data.
 </li>
 <li>
 Advanced degree (Master&rsquo;s or PhD) in Computer Science, Engineering, Mathematics, Statistics, or a related field (preferred)
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 Deep experience in personalization, search, or recommendation systems (3&ndash;4 years in a product-focused environment).
 </li>
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 Expertise in deep learning architectures (e.g., attention models, transformers, retrieval models).
 </li>
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 Hands-on experience with LLMs and GenAI technologies.
 </li>
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 Strong programming and problem-solving skills with proficiency in Python, SQL, Spark, and Hive.
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 Deep understanding of classical and modern ML techniques, A/B testing methodologies, and experiment design.
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 Solid background in ranking, recommendation, and retrieval systems.
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 Familiarity with large-scale data tools (Hadoop, BigQuery, Amazon EMR, etc.).
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 Experience with BI tools and visualization platforms such as Tableau, Qlik, or MicroStrategy.
 </li>
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 Bonus: Experience with geospatial data and advanced analytics platforms.
 </li>
 </ul>
 
 
</div>

Senior / Lead AI Scientist (Personalisation & GenAI)

Join oryxsearch.io and explore 2   exciting career opportunities. They're hiring for various roles with options for remote or on-site work. Apply today and become part of their innovative team.

oryxsearch.io

ABOUT_COMPANY

Senior Software Engineer (Fintech)

Senior / Lead AI Scientist (Personalisation & GenAI)