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Aoristou

FullTime

Hybrid

If you believe that technology is a creative tool, and you are keen on adhering to the pace of development while being a part of a team, this is the position for you. You will become a member of the strong engineering team and will be engaged in the development of the next generation trading applications of the company which will, in turn, allow you to impact successfully the company’s business.&nbsp; As a Senior Java Developer, you will be responsible for the creation and enhancement of resilient and efficient high-end applications. You will be involved in defining the architecture and system structures as well as the system’s reliability, performance, and scalability. If you are someone who enjoys solving complex technical challenges, driving improvements, and mentoring others, this role is for you.&nbsp;&nbsp; The main responsibilities of the position include:<ul><li>Design, develop, and maintainadvanced backend applications on the Java platform&nbsp;</li><li>Employ best practises such as test-driven development, continuous integration and agile methodologies&nbsp;</li><li>Conduct code reviews to ensure high-quality standards and mentor more junior members of the team&nbsp;</li><li>Monitor system performance, troubleshoot issues, and implement optimizations for peak efficiency&nbsp;</li><li>Perform unit testing and automation testing to ensure code stability&nbsp;&nbsp;</li><li>Collaborate in system design discussions, and architecture,contributing innovative ideas for improvement and scalability&nbsp;</li><li>Stay on top of emerging technologies and propose how they could enhance our product suite from technical perspective and system improvements&nbsp;</li></ul>Main requirements:<ul><li>BSc/MSc in computer science, engineering, or any other relevant degree&nbsp;</li><li>At least 5+ years of work experience in Java development&nbsp;</li><li>Solid understanding of the full development life cycle&nbsp;</li><li>Very good knowledge of programming best practises and design patterns&nbsp;</li><li>Good understanding of algorithmic complexity, data structures and multi-threading concepts&nbsp;</li><li>Knowledge of REST API and web services implementation concepts&nbsp;</li><li>Deep understanding of object-oriented design, specifically within a cloud environment&nbsp;</li><li>Experience working as part of a cross functional team – working closely with product and program managers to deliver product features on time and with high quality.&nbsp;</li><li>Keen interest in benchmarking and optimisation&nbsp;</li><li>Passion for backend application development&nbsp;</li><li>Strong teamworking skills and collaborative approach&nbsp;&nbsp;</li><li>Commitment to personal development and staying current with industry trends&nbsp;&nbsp;</li></ul>The following will be considered an advantage:<ul><li>Knowledge of Oracle &amp; MySQL</li><li>Knowledge of AWS Cloud Services</li><li>Work portfolio of open-source projects and technical blogs</li></ul>Benefit from:<ul><li>Attractive remuneration package</li><li>Intellectually stimulating work environment</li><li>Continuous personal development and international training opportunities</li><li>Attractive relocation package and support for a smooth relocation for you and your family</li></ul>The Hiring Experience: What Awaits You<ul><li>Show Your Skills – Online Technical Challenge</li><li>Let’s Connect – Intro Chat with Talent Acquisition</li><li>Bring It to Life – Role-Specific Take-Home Task</li><li>Final Connection – Final Interview</li></ul>

Senior Java Developer

We are looking for an experienced high calibre Project Manager to join our Delivery team. This is an exciting time to be part of our business transformation and see your role evolve with the company's growth. You will play a key role in managing and coordinating the projects of one or more Software Development teams and making sure they’re delivered efficiently and on time. As a Project Manager, you will work closely with other Project Managers, Product Managers, and various business teams to seamlessly deliver products and services. This is a high visibility role which will ensure you are at the forefront of all company developments, directly liaising with senior management and the tech leadership of the organisation.The main responsibilities of the position include:<ul><li>Deliver multiple projects of varying complexity and size</li><li>Coordinate internal and remote software development teams</li><li>Hold task owners accountable for specific deliverables and conduct project team meetings to review progress and take any necessary actions</li><li>Facilitate scrum events, discussions, decision making, and conflict resolution</li><li>Keep track of sprint commitments and promote team ownership by ensuring each team delivers within their set timeline</li><li>Ensure that requirements are comprehensive and thorough, include all the necessary information, and are ready for implementation</li><li>Remove impediments to meet deadlines</li><li>Collaborate closely with each project's team to provide a high-level estimation and create a release plan</li><li>Coordinate with other teams to ensure dependencies are aligned</li><li>Assist with internal and external communication channels to improve transparency, and provide information to the right stakeholders in the right levels of abstraction</li><li>Collaborate with Product Managers and other cross-functional teams to manage the expectations of stakeholders by making sure the backlog is well defined, estimated, and prioritised</li><li>Constantly review team metrics for a fast and efficient delivery</li><li>Understand and follow the company’s processes</li><li>Utilise project management methodologies and relevant tools to accomplish all the above</li></ul>Main requirements:<ul><li>BSc/MSc in computer science, engineering, or a related field</li><li>At least 3 years of experience in a similar position</li><li>Experience with project management software, analysis, and reporting methods</li><li>Knowledge of project management tools and techniques (JIRA, Confluence, etc.)</li><li>Strong organisational and critical thinking with analytical and problem-solving skills that can handle any issues that occur during a project’s life cycle</li><li>A hands-on, professional, detail-oriented approach that strives for excellence&nbsp;</li><li>Strong written and verbal communication for coordinating with team members, stakeholders, and management</li><li>Strong interpersonal and teamwork skills&nbsp;</li><li>Strong leadership skills and the ability to stay motivated and work effectively under pressure</li><li>The ability to identify process deficiencies and suggest improvements based on knowledge and experience</li><li>An understanding of the full software development cycle&nbsp;</li></ul>The following will be considered an advantage:<ul><li>PMP/Prince II and Agile/Scrum certifications</li><li>Programming or professional technical experience</li><li>FX industry experience&nbsp;</li></ul>Benefit from:<ul><li>Attractive remuneration package plus performance related reward&nbsp;&nbsp;&nbsp;</li><li>Private health insurance</li><li>Corporate pension fund</li><li>Intellectually stimulating work environment</li><li>Continuous personal development and international training opportunities</li></ul>The Hiring Experience: What Awaits You<ul><li>Let’s Connect – Intro Chat with Talent Acquisition</li><li>Deep Dive – First Interview with Your Future Team</li><li>Final Connection – Final Interview</li></ul>

Project Manager

We are seeking a Lead Data Scientist with expertise in behavioral analytics to drive data-driven strategies for client onboarding, engagement, retention, and personalization. You will analyze customer behavior, develop predictive models, and deliver insights that enhance the client journey.&nbsp; As a key leader, you will collaborate across teams, mentor data scientists, and shape customer-centric analytics. Your work will fuel growth, optimize user experiences, and drive impactful business decisions.&nbsp; Join us to transform client engagement through the power of data!&nbsp;The main responsibilities of the position include:<ul><li>Client Acquisition:&nbsp;Utilise advanced analytics, and predictive modeling to drive client acquisition strategies.&nbsp;&nbsp;</li><li>Client Onboarding Optimisation: Analyse user behavior during onboarding to identify friction points and improve the overall user experience.</li><li>Client Segmentation: Develop and refine data-driven segmentation models to categorize clients based on behavior, demographics, and engagement.</li><li>Churn Prediction: Build predictive models to identify at-risk customers and collaborate with business teams to develop effective retention strategies.</li><li>Recommendation Systems: Design and implement personalized recommendation algorithms to enhance client engagement and drive cross-sell and upsell opportunities.</li><li>Machine Learning &amp; AI Implementation: Leverage advanced machine learning techniques (supervised, unsupervised, and deep learning) to extract meaningful insights from client behavior data.</li><li>A/B Testing &amp; Experimentation: Design, execute, and analyze A/B tests to optimize processes and improve decision-making.</li><li>Data-Driven Decision-Making: Work closely with product, marketing, and business teams to integrate data-driven insights into strategic initiatives.</li><li>Big Data Processing: Manage large-scale datasets, ensuring data quality, efficient feature engineering, and seamless data pipeline integration.</li><li>Leadership: Mentor and guide multiple teams, fostering innovation and technical excellence.</li><li>Stakeholder Communication: Present insights and model outcomes to non-technical stakeholders, translating complex data into actionable recommendations.</li></ul>Main requirements:<ul><li>PhD or MSc in Data Science, Physics, Mathematics Computer Science or a related field&nbsp;</li><li>8+ years of experience in data science, with a focus on client behavior analytics. Experience within the fintech or e-commerce industry will be considered an advantage.&nbsp;</li><li>Hands-on experience with recommender systems (collaborative filtering, content-based filtering, hybrid models).&nbsp;</li><li>Strong experience with machine learning, deep learning, and statistical modelling.&nbsp;</li><li>Proven experience with big data analytics.&nbsp;</li><li>Proficiency in Python (Pandas, NumPy, Scikit-learn, TensorFlow/PyTorch) and SQL.&nbsp;</li><li>Experience with NLP/AI tools for customer interaction analysis.&nbsp;</li><li>Strong analytical and problem-solving skills.</li><li>Effective communication skills to convey data-driven insights.&nbsp;</li><li>Proven leadership, team coaching, and management skills</li><li>Fluency in English.&nbsp;</li></ul>Benefit from:<ul><li>Attractive remuneration package</li><li>Private health insurance</li><li>Corporate pension fund</li><li>Intellectually stimulating work environment</li><li>Continuous personal development and international training opportunities</li></ul>

Lead Data Scientist

We’re looking for a talented and driven Machine Learning Engineer to join our dynamic team and help build cutting-edge AI solutions. If you have a strong background in machine learning, data science, and software engineering and a passion for developing scalable, high-performance AI-driven systems, this is your chance to work on exciting challenges in a collaborative environment. Join us and be part of something amazing!The main responsibilities of the position include:<ul><li>Deploy machine learning models and integrate AI tools into production systems.</li><li>Optimise and fine-tune models for performance, scalability, and efficiency.</li><li>Collaborate with data engineers and data scientists to develop and maintain data pipelines, working with large datasets to prepare data for model training and evaluation.</li><li>Stay up to date with the latest advancements in machine learning and AI technologies.</li><li>Implement MLOps best practices for continuous integration, deployment, and monitoring of ML models.</li><li>Set up pipelines for A/B testing of different model variations to evaluate performance and enhance model effectiveness.</li></ul>Main requirements:<ul><li>BSc/MSc in Computer Science, Data Science, Machine Learning, or a related field.</li><li>3+ years of experience in machine learning/AI and DevOps/MLOps.</li><li>Strong programming background with proven experience in Python and other languages.</li><li>Experience with data structures, algorithms and ETL/ELT procedures.</li><li>Experience with machine learning libraries such as TensorFlow, PyTorch, and Scikit-learn.</li><li>Knowledge of containerization and model deployment using Docker.</li><li>Experience working with CI/CD pipelines using tools like Jenkins and GitLab CI.</li><li>Familiarity with task orchestration tools such as Airflow, Kubeflow, and MLflow.</li><li>Understanding of cloud computing platforms (AWS, GCP, or Azure) and big data ecosystems.</li><li>Experience with monitoring and logging solutions such as Prometheus, Grafana, CloudWatch, and the ELK Stack.</li><li>Strong problem-solving skills and the ability to work in a collaborative team environment.</li><li>Fluency in English Language</li></ul>Benefit from:<ul><li>Attractive remuneration package</li><li>Private health insurance</li><li>Corporate pension fund</li><li>Intellectually stimulating work environment</li><li>Continuous personal development and international training opportunities</li></ul>

Machine Learning Engineer

The Data Science team at XM is seeking a skilled Senior Data Engineer with a strong background in data science. The ideal candidate should have extensive experience in designing, building, and maintaining data infrastructure and pipelines that support machine learning models and large-scale analytics. The role involves close collaboration with data scientists, data analysts, and other stakeholders to ensure data quality and accessibility, driving data-driven decision-making and implementing AI solutions across the organization.The main responsibilities of the position include:<ul><li>Design, develop, and maintain scalable data pipelines for data transformation and preparation.</li><li>Prepare datasets for data analysts and data scientists for exploratory data analysis, A/B testing, model training, and validation.</li><li>Ensure data quality and consistency across various sources.</li><li>Deploy machine learning models and AI tools to production environments.</li><li>Collaborate with data scientists to improve data models and support business intelligence tools.</li><li>Build and maintain data warehousing solutions.</li><li>Enforce data governance and security policies.</li><li>Work with cross-functional teams to understand data requirements and provide technical solutions.</li><li>Mentor junior data engineers and provide technical guidance.</li></ul>Main requirements:<ul><li>MSc or PhD in Data Science, Computer Science, Physics, Mathematics, or a related field.</li><li>4+ years of experience with a focus on data engineering and Python software development (Pandas, NumPy, Scikit-learn)</li><li>Experience with AWS, Google Cloud, or Azure cloud services</li><li>Extensive experience with relational and non-relational databases.</li><li>Proven experience with machine learning.</li><li>Demonstrated experience in big data processing and analytics.</li><li>Strong analytical thinking and problem-solving abilities.</li><li>Effective communication skills to convey data-driven insights.</li><li>Fluency in English Language</li></ul>Benefit from:<ul><li>Attractive remuneration package</li><li>Private health insurance</li><li>Corporate pension fund</li><li>Intellectually stimulating work environment</li><li>Continuous personal development and international training opportunities</li></ul>

Senior Data Engineer

As a senior engineer, you will also take ownership of specific domains or projects within the business, leading technical direction and ensuring alignment with strategic goals. You will play a key role in mentoring and overseeing other engineers, fostering collaboration, sharing best practices, and helping to drive continuous improvement across the team.The main responsibilities of the position include:<ul><li>Collaborate with the development teams to plan, deploy and administer applications running on AWS and Kubernetes</li><li>Maintain the AWS infrastructure using Infrastructure as Code principles and Terraform</li><li>Initiate and drive the adoption of technologies and use of good patterns for development and operations</li><li>Mentoring and overseeing other engineers</li><li>Lead and manage specific technical domains or projects, ensuring architectural consistency, scalability, and alignment with business objectives</li><li>Oversee and improve engineering processes and practices, identifying opportunities for automation, optimization, and enhanced system reliability</li><li>Implement and oversee cloud migration projects</li><li>Provide guidance for re-platform and re-factor of current cloud infrastructure</li><li>Communicate to the senior leadership, the cloud migration projects progress</li><li>Preserve business continuity 24/7 with minimum downtime and financial impact</li><li>Investigate and perform regular assessments of cloud deployments in compliance with the company’s standards and best practices</li><li>Ensure the Company’s deployment standards and pillars are followed in cloud solutions and resources</li><li>Stay up to date with the latest tools and trends in the industry</li><li>Follow and provide training regarding new and current technologies and services used</li></ul>Main requirements:<ul><li>BSc/MSc in Computer Science, or a similar discipline</li><li>Overall knowledge of solution design and deployment projects</li><li>Experience with Docker</li><li>Experience in or knowledge of CI/CD with GitLab and/or Jenkins</li><li>Experience in AWS technologies, services and ecosystem</li><li>Experience with Kubernetes</li><li>Knowledge of Infrastructure as Code (IaC) concepts and tools, preferably Terraform</li><li>Experience with versioning tools such as Git</li><li>Distinctive organisation and documentation skills</li><li>Excellent time management skills</li><li>Essential Linux and Windows admin, networking and scripting skills</li></ul>Benefit from:<ul><li>Attractive remuneration package plus performance-based reward</li><li>Private health insurance</li><li>Corporate pension fund</li><li>Intellectually stimulating work environment</li><li>Continuous personal development and international training opportunities</li></ul>

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