1st-Level Technical Support Engineer - Fintech

Optasia is a pioneering B2B2X financial technology platform focused on scoring, financial decision-making, disbursement, and collection. Our mission is to promote financial inclusion for everyone. We are transforming the financial landscape in our unique way.We are on the lookout for motivated professionals who are energetic, results-oriented, and possess a can-do attitude. Join a dynamic team of like-minded individuals dedicated to delivering innovative solutions in an exciting environment.As a key member of the Technical 1st-Level Support team at Optasia, you will play a crucial role in ensuring the highest levels of system availability and performance. The Technical 1st-Level Support Engineer will be tasked with monitoring, supervising, and maintaining system and network components, making informed decisions to uphold optimal network performance and productivity.Key ResponsibilitiesMonitor system, network, application, and service alerts daily, providing first-level support across rotating shifts (24/7)Respond to alerts by validating, diagnosing the cause, and resolving or escalating issues as neededMaintain an incident log to document all alerts, ensuring each log includes a clear problem description, resolutions, and actions takenConduct health and quality checks on systems to guarantee operational excellenceAct as a liaison between various support groups during system outages and collaborate with third-party vendors or service providers to resolve issuesExhibit strong multitasking, teamwork, analytical thinking, and prioritization skillsDemonstrate hands-on experience with relational databases, application servers, web servers, VMware, and Linux environmentsUtilize case management and monitoring tools effectivelyQualificationsWillingness to work on a rotating schedule (shifts)At least 2 years of experience in Technical Support or Network Operations CenterProficient understanding of Network SystemsStrong knowledge of Linux and RDBMSExceptional monitoring and analytical abilitiesStrong written and verbal communication skillsPassion for learning new technologies and collaborating with creative mindsProactive, accountable, and results-drivenAttention to detail, with the ability to multitask and prioritize effectivelyComfortable managing multiple clients and team dynamicsFlexible, ambitious, and adaptable to changeExcellent judgment, organizational, and problem-solving skillsWhy You Should Apply

Optasia is a cutting-edge B2B2X financial technology platform focused on providing scoring, financial decisioning, disbursement, and collection services. Our mission is to promote financial inclusion for everyone. We are reshaping the financial landscape in our unique way.We are looking for passionate and energetic professionals who are results-oriented and possess a proactive mindset. Join our team of like-minded individuals dedicated to delivering innovative solutions in an exciting and dynamic environment.As an Integration Support Engineer (ISE), you will assess operational changes proposed by external systems integrated with Optasia, evaluate their technical impact, and create appropriate rollout strategies. You will also be responsible for ensuring that all new or existing projects meet the technical criteria necessary to initiate the System Integration Testing phase, collaborating closely with a Solutions Architect to ensure architectural alignment.This position is focused solely on integration readiness, excluding live production support, low-level solution design, software development, and the maintenance of test environments.Your ResponsibilitiesAssess change requests including platform upgrades, protocol migrations, and topology modifications by quantifying technical impacts and rollback risks, outlining mitigation strategies, and securing a consensus on rollout plans with both internal and external stakeholders. Engage with the Solutions Architect as needed for modifications to the solution design.Communicate configuration and development prerequisites that third-party systems must fulfill to achieve System Integration Testing readiness, collaborating directly with system owners.Conduct a targeted suite of HTTP-based API smoke tests (REST, SOAP, RPC, etc.), troubleshoot any anomalies, and escalate unresolved issues to third-party counterparts and the Solutions Architect.Develop Integration Acceptance Testing (IAT) test cases for execution by Optasia developers, guided by the Solutions Architect.Maintain transparency and traceability by updating Jira and Confluence records for change requests and SIT preparations.Foster continuous improvement by converting lessons learned into reusable templates, including change request assessments, SIT readiness checklists, and smoke test scripts, to standardize future integrations.Transition smoothly to an Associate Solution Architect role once you demonstrate proficiency in design and business insight.

We are looking for a motivated and skilled IT Support Engineer to join our dynamic team at Optasia, a leading player in the fintech industry. In this role, you will be responsible for providing exceptional technical support, troubleshooting issues, and ensuring the smooth operation of our IT systems. Your expertise will help us maintain high service levels and deliver outstanding solutions to our clients.If you are passionate about technology and customer service, and thrive in a fast-paced environment, we want to hear from you!

Optasia is an innovative B2B2X financial technology platform dedicated to enhancing scoring, financial decision-making, disbursement, and collection processes. We are passionate about fostering financial inclusion globally and are on a mission to transform financial services.We are looking for energetic and enthusiastic professionals who are driven by results and possess a positive, can-do attitude. Join our team of like-minded individuals in an exciting and innovative environment. As a Software & Performance Engineer, you will play a crucial role in developing software solutions that address real-world challenges. You will be actively engaged in the full software development lifecycle, contributing to the design, coding, analysis, and documentation of application programs within the Spring Framework. Working closely with cross-functional teams, you will help evolve our products and implement modern technologies and methodologies for software development.

Η OPTIMUS ENERGY αναζητά έναν Technical Support Specialist για να ενισχύσει την ομάδα της.Κύριες Αρμοδιότητες:Παροχή τεχνικής υποστήριξης στους πελάτες μέσω τηλεφώνου και email.Διεξοδική καθοδήγηση των πελατών για την αποκατάσταση τεχνικών βλαβών.Συνεργασία με άλλες τεχνικές ομάδες για την επίλυση σύνθετων προβλημάτων.Διαχείριση και παρακολούθηση της λειτουργίας των εταιρικών συστημάτων.Ανάλυση τεχνικών αιτημάτων και παροχή άμεσων και αποτελεσματικών λύσεων.Διάγνωση και επίλυση προβλημάτων συνδεσιμότητας.Απαιτούμενα Προσόντα:Πτυχίο ΑΕΙ Θετικής Κατεύθυνσης.Μέχρι 2 χρόνια προηγούμενης εργασιακής εμπειρίας.Πολύ καλή γνώση της Αγγλικής γλώσσας, τόσο προφορικά όσο και γραπτά.Άριστη γνώση του Office 365.Δεξιότητες:Εξαιρετικές επικοινωνιακές ικανότητες.Ικανότητα αναλυτικής σκέψης και επίλυσης προβλημάτων.Υπευθυνότητα και προσαρμοστικότητα.Ομαδικό πνεύμα.Παροχές Εταιρείας:Προοπτικές εξέλιξης εντός ενός ισχυρού Ομίλου εταιρειών.Συμμετοχή σε πρόγραμμα Ιδιωτικής Ασφάλισης Υγείας και Ζωής.

Optasia is a cutting-edge B2B2X financial technology platform specializing in scoring, financial decision-making, disbursement, and collections. Our mission is to promote financial inclusion for everyone, and we pride ourselves on transforming the world in our own unique way.We are on the lookout for passionate and proactive professionals who are driven by results and possess a can-do attitude. Join a team of like-minded individuals dedicated to delivering innovative solutions in an exciting environment.We invite you to apply for the position of Data Engineer within our expanding Data Engineering team. In this role, you will design and implement highly scalable end-to-end batch and streaming data pipelines, contributing to the overall success of Optasia.Your responsibilities will include:Enhancing the scalability, stability, accuracy, speed, and efficiency of our existing data systems.Designing and developing end-to-end data processing pipelines.Navigating a diverse technology stack, including Scala, Spark, Python3, Bash/Python scripting, Hadoop, and SQL.Designing, constructing, testing, and deploying new libraries, frameworks, or complete systems while adhering to the highest standards of testing and code quality.Developing, maintaining, and optimizing core libraries for batch processing and large volume data ingestion into our big data infrastructure.Building and maintaining CI/CD orchestration.What we expect from you:Bachelor's or Master's degree in Computer Science or Informatics.A minimum of 2 years experience in Data Engineering.Proven experience in software/data engineering and/or operations/DevOps/DataOps.Familiarity with the Apache Hadoop ecosystem (YARN, HDFS, HBase, Spark).Hands-on experience with both relational and NoSQL databases.Proficient in systems administration with Linux.Experience in deploying, configuring, and maintaining distributed systems and data/software engineering tools.Your key attributes:Experience with fluid virtual infrastructures such as containers (e.g., Docker, Kubernetes).Familiarity with data and ML flow engines and tools, such as Apache Airflow.A strong passion for learning new technologies and collaborating with other creative professionals.Why you should join us:We offer a range of benefits including: Flexible hybrid working options Competitive remuneration package An extra day off on your birthday Performance-based bonus scheme‍ Comprehensive private healthcare insurance All the tech gear you need to work efficientlyExperience the Optasia perks: Join our multicultural working environment Engage with a unique and promising business and industry Gain insights into the future market landscape Enjoy a solid career path within our working family.

Join Mercier Consultancy Group in an exhilarating opportunity as a German-Speaking Customer Support Representative for a leading FinTech company located in the picturesque city of Athens, Greece. This role is ideal for candidates passionate about financial technology and committed to delivering outstanding customer service. You will guide customers through our cutting-edge financial products and services, ensuring they have a seamless experience in German.Key Responsibilities Handle customer inquiries about FinTech solutions, account management, and service features via phone, email, and live chat in German. Provide education on financial services, application processes, and compliance requirements. Offer technical support and resolve issues related to our platforms. Accurately document customer interactions in our CRM system and follow up on unresolved queries. Work closely with technical and financial teams to ensure timely resolution of customer issues. Stay informed about FinTech trends and product developments to provide informed support to clients.

At Optasia, we are pioneering a transformative B2B2X financial technology platform that encompasses scoring, financial decisioning, disbursement, and collection. Our mission is to promote financial inclusion for everyone. Join us as we revolutionize the industry.Since our establishment over ten years ago, we have emerged as a global frontrunner in the fintech sector, consistently enhancing our portfolio with innovative solutions and uncovering new monetization avenues for our partners and clients.As a vital part of the Systems Engineering team at Optasia, your key responsibility will be to guarantee the stability, security, and seamless operation of our Linux-based systems. This includes managing core platforms, supporting essential services, and ensuring optimal performance across both production and staging environments.Your ResponsibilitiesAdminister and maintain Linux systems (Red Hat and Debian) across production and staging environments.Execute regular patch management, system updates, and security enhancements.Oversee and monitor system performance utilizing Nagios, Grafana, and other relevant tools.Support and maintain applications such as Passbolt, DNS, FreeIPA, Radius, Jenkins, and Red Hat Satellite.Conduct incident management, troubleshooting, and root cause analysis to secure system reliability and uptime.Engage in operations and maintenance tasks as well as system improvement initiatives.Track and manage licenses, End of Support, and End of Life for Linux assets and software.Collaborate with cross-functional teams to bolster infrastructure and authentication services.Ensure precise documentation for configurations, changes, and operational procedures.Your Qualifications3-5 years of substantial experience as a Linux Systems Engineer or Administrator.Deep understanding of Red Hat Enterprise Linux and Debian administration.Proficient in FreeIPA, DNS, and Red Hat Satellite.Familiar with Nagios, Grafana, and Radius.Strong grasp of system patching, incident management, and operations & maintenance processes.Proficient in scripting or automation (Bash, Python, Ansible).Excellent documentation, communication, and collaboration abilities.Why You Should Join UsWe Offer: Competitive salary package Additional day off on your birthday Performance-related bonus scheme All the necessary tech to work efficientlyOptasia’s Benefits: Be part of a diverse and multicultural team Engage with a unique and promising business landscape Gain insights into the future of the marketOptasia’s Core Values #1 Drive to Thrive: Fully committed to continuous evolution. We embrace challenges and learning opportunities.

Join our dynamic team as a Senior Engineering Manager in the Fintech domain at efood, where you will be pivotal in developing a robust, scalable, and adaptive platform that underpins customer payments and internal financial operations.This is a high-impact leadership position within a critical business sector, overseeing the complete lifecycle of efood's payment and financial transaction processes. Your responsibilities will span from customer order payments through downstream operations, inclusive of refunds, cancellations, fraud checks, vendor payouts, reporting, and regulatory compliance. Your engineering expertise, leadership acumen, and ability to navigate a complex stakeholder landscape will be essential.You will collaborate closely with Product Managers, Finance stakeholders, Engineering leaders, C-level executives, and Delivery Hero teams to enhance operational efficiency, elevate technical standards, and support the growth of the domain as our business expands. Technical EnvironmentOur architecture employs microservices, with over 80 services managing high volumes of requests through both synchronous and event-driven communication.Our technology stack includes Golang, REST APIs, gRPC, Kubernetes, AWS, GCP, PostgreSQL, MongoDB, Redis, and messaging platforms like SNS, SQS, Kafka, and cloud messaging services.As part of the Delivery Hero group, we maintain close collaboration with their Global Services teams. Your Responsibilities:Lead the Fintech engineering domain, managing a hybrid team structure that includes an Engineering Manager and senior engineers, adapting the team layout as priorities evolve.Collaborate with Product Managers to drive the delivery of innovative payment capabilities and domain enhancements, while providing valuable technical insights, tradeoffs, and prioritization guidance.Engage with Finance stakeholders to optimize finance flows, minimize discrepancies, enhance automation, and clarify cross-team issues and dependencies.Provide technical leadership by guiding architectural and design decisions, mentoring engineers and managers, and raising the standard for engineering quality, ownership, and systems thinking.Ensure execution across multiple services and teams, managing dependencies with Delivery Hero services by maintaining clear priorities, surfacing risks early, and tracking progress, challenges, and outcomes.Assist the team in balancing feature delivery, system reliability, and technical enhancements, with hands-on involvement as needed to remove obstacles or support critical choices.Mentor and support the development of engineers and managers to foster their growth.

Join the dynamic team at Mercier Consultancy as a German Speaking IT Support Specialist in Athens. In this entry-level role, you will provide vital technical assistance to our clients, utilizing your fluency in German to effectively communicate with customers. Your contributions will play a crucial role in resolving IT issues promptly, thereby enhancing client satisfaction and productivity.As an IT Support Specialist, you will engage with a variety of technologies and systems, assisting clients in troubleshooting problems, setting up new hardware, and overcoming software challenges. We are looking for a candidate who is not only technically adept but also has excellent interpersonal skills to foster strong client relationships.

Mercier Consultancy seeks a Polish-speaking Customer Support Specialist to assist clients in the FinTech industry. Based in Athens, this role focuses on supporting customers as they use a variety of financial products and services. Key responsibilities Provide customer support in Polish, responding to inquiries and resolving issues as they arise Help clients understand and use financial solutions and services Communicate effectively with customers from varied backgrounds Location This position is located in Athens, Attica, Greece.

Optasia is a cutting-edge B2B2X financial technology platform specializing in scoring, financial decision-making, disbursement, and collection. Our mission is to promote financial inclusion for everyone. We are transforming the financial landscape in our unique way.We are on the lookout for passionate professionals who are energetic, results-oriented, and possess a can-do attitude. Join our dynamic team of innovators dedicated to delivering top-notch solutions in an exhilarating environment.As a vital member of the Systems Engineering team at Optasia, you will oversee the efficient provisioning, installation/configuration, operation, and maintenance of our systems hardware and software, along with associated infrastructure. Your contributions will include participating in technical research and development to foster ongoing innovation within our infrastructure. You will ensure compliance with organizational values by upholding high standards in system hardware, operating systems, software systems, and related procedures, thereby empowering staff, volunteers, and partners.

Athens Technology Center is on the lookout for a talented IT Support Engineer to join our dynamic team in Athens.About UsAthens Technology Center (ATC) is a leading Information Technology company dedicated to delivering tailored solutions and services across various sectors, including Media, Banking, Retail, Utilities, and Public Sector Organizations. As a full-service software development firm, we leverage cutting-edge design principles and the latest advancements in data science, machine learning, cloud computing, and mobile and desktop technologies. Our commitment to quality ensures we provide exceptional software solutions for prestigious clients and global leaders while continuously pushing the boundaries of research and innovation.Position OverviewWe are currently expanding our team and are seeking an IT Support Engineer who will be situated at one of our client's locations in Athens. This role involves providing comprehensive day-to-day technical support to our client's staff. The selected candidate will be an official employee of Athens Technology Center (ATC) and will report directly to our organization.Key ResponsibilitiesInstall and configure computer hardware, software, and peripherals.Maintain workstations, networks, and peripheral devices.Set up user accounts and workstations.Deliver technical support and troubleshoot issues for end-users via phone, email, or in-person.Collaborate with other IT teams, vendors, and stakeholders to implement new projects and resolve complex challenges.Develop and update technical documentation, user manuals, and training materials.QualificationsDegree in Information Technology or a related field.A minimum of 2 years of relevant experience in IT support or a similar role.Strong knowledge of Windows operating systems and Microsoft Office applications.Experience in Windows Server administration and Active Directory.Solid understanding of networking principles.Excellent verbal and written communication skills in English.Familiarity with reporting tools and ticketing systems.Personal AttributesExceptional communication skills with the ability to explain technical concepts to non-technical users.Strong interpersonal skills and a collaborative mindset.A team-oriented approach to problem-solving.BenefitsAttractive salary package.Comprehensive private health coverage.Opportunities to gain experience and knowledge across diverse scientific fields.Tailored training programs and access to state-of-the-art skills.A friendly, engaging, and creative work environment.If you are looking for a company that values your ideas and supports your professional growth, we invite you to apply!

Join Mercier Consultancy as a German-Speaking Technical Support Consultant! This is a remarkable opportunity for individuals eager to kickstart their career in tech support without prior experience. As part of our dynamic team, you will deliver exceptional service to our German-speaking clients, assisting them with technical inquiries related to our innovative products and services.In this role, you will undergo a comprehensive training program designed to equip you with the essential skills and knowledge to excel. You will interact with clients through various channels, troubleshoot their issues, and provide effective solutions to enhance their overall experience.Key ResponsibilitiesDeliver technical support to German-speaking clients via phone, email, and chat.Troubleshoot and resolve technical issues, providing clear, step-by-step solutions.Document all client interactions and technical issues accurately in our support system.Advise clients on best practices for maximizing the use of our products.Collaborate with team members to address complex issues as needed.Engage in training sessions to enhance your technical knowledge and customer service skills.Collect and analyze client feedback to identify areas for improvement in our support services.

Optasia is a dynamic B2B2X financial technology platform that specializes in scoring, financial decision-making, disbursement, and collection. Our mission is to foster financial inclusion globally, as we are transforming the financial landscape.We are looking for passionate and energetic professionals who are results-oriented and possess a proactive mindset. Join our innovative team of like-minded individuals dedicated to delivering cutting-edge solutions in an exciting environment. At Optasia, data is central to our growth strategy, and our Data Engineering team plays a vital role in our success through data-driven insights and decision-making.As an ML & Data Ops Engineer at Optasia, you will be pivotal in ensuring the availability and performance of our workflows. You will monitor and optimize our existing data system infrastructure, prioritize issue resolution, and promote a culture of continuous improvement. Your contributions will be essential in maintaining high service standards and reinforcing our commitment to client success.Key Responsibilities:Oversee daily monitoring of ML workflows, service alerts, and all data system infrastructure, including storage, applications, databases, and resources.Act as an escalation point for critical ML and data incidents, diagnosing issues and resolving or escalating as needed.Champion continuous integration, continuous delivery, and automation practices to facilitate seamless software transitions from development to production.Manage customer inquiries efficiently to ensure prompt responses and resolutions within defined SLAs.Encourage a culture of continuous improvement by identifying enhancements in processes, tools, and technologies.Conduct health and quality checks of ML and data workflows to ensure operational excellence.Collaborate with cross-functional teams including ML/Data Engineering, Algorithmic Trading, and System & Network Administration to resolve internal and client-related issues effectively.Develop training materials and deliver sessions, maintaining comprehensive technical documentation.

Με πάνω από 40 χρόνια επιτυχούς πορείας στον τομέα της υγείας, ο Όμιλος εταιρειών Βιοιατρική είναι ο κορυφαίος πάροχος υπηρεσιών Πρωτοβάθμιας Φροντίδας στην Ελλάδα. Δεσμευόμαστε στην ιατρική και ψηφιακή τεχνολογία, προωθώντας την υγεία και την επιστήμη, προσφέροντας παράλληλα ευκαιρίες απασχόλησης σε εξειδικευμένο προσωπικό.Στη Βιοιατρική, οι άνθρωποί μας είναι η «καρδιά» του οργανισμού μας, υποστηρίζοντας το όραμά μας για φροντίδα και βελτίωση της ποιότητας ζωής των ανθρώπων. Με τις αξίες μας - Ενσυναίσθηση, Αριστεία, Όραμα & Υπευθυνότητα, δημιουργούμε ένα περιβάλλον που προάγει τη διαφορετικότητα και την συμπερίληψη και αναπτύσσει τις ικανότητες του προσωπικού μας.Αυτή τη στιγμή αναζητούμε έναν IT Service Desk – End User Support EngineerΟ ρόλος αναφέρεται στον IT Service Desk Supervisor.Σκοπός ΘέσηςΠαροχή υποστήριξης στους τελικούς χρήστες, εξασφαλίζοντας την ομαλή λειτουργία των τεχνολογικών υποδομών και την επίλυση τεχνικών προβλημάτων.Κύρια Καθήκοντα/ΑρμοδιότητεςΛήψη & Διαχείριση αιτημάτων υποστήριξης χρηστών.Τηλεφωνική & remote υποστήριξη σε IT & τηλεπικοινωνιακό εξοπλισμό.Επίλυση προβλημάτων σε Windows 10, Office 365, εφαρμογές, ios/android, κ.λ.π.

G4S Telematix, part of the renowned Global G4S & Allied Universal Group, stands as a leader in integrated security solutions, boasting over 20 years of expertise in delivering exceptional Monitoring & Response services tailored to secure your mobility.Our innovative solutions merge cutting-edge tracking and sensing technologies with an advanced software platform, all supported by our 24/7 Secure Operations Center. We provide comprehensive monitoring, management, and response services across the Logistics, Automotive, and People Safety sectors.Position: Level 3 Application Support EngineerReporting to: Head of TechnologyLocation: Metamorfosis, AthensWe are on the lookout for an enthusiastic and skilled Level 3 Application Support Engineer to become a vital part of our Technology team. In this dynamic role, you will be pivotal in developing and supporting both internal and client-facing software applications. Your focus will be to uphold the design, quality, and reliability of our solutions through meticulous QA, testing, and assessment procedures.

Optasia is a cutting-edge B2B2X financial technology platform focused on providing innovative solutions in scoring, financial decisioning, disbursement, and collection. We are dedicated to fostering financial inclusion for everyone and transforming the financial landscape.We are on the lookout for passionate and energetic professionals who are results-oriented and possess a can-do attitude. Join our vibrant team of like-minded individuals who are committed to delivering exceptional solutions in a dynamic and innovative environment.Data is the backbone of Optasia’s growth strategy, and our Data Engineering team plays a pivotal role in our success through data-driven decision-making and risk management. We ingest and process data from diverse sources into our expansive data lakehouses, utilizing state-of-the-art open-source big data technology stacks to create robust analytical pipelines.We are searching for a seasoned Senior Data Engineer – Team Leader to guide and motivate a team of two to three Data Engineers. In this role, you will blend hands-on expertise in constructing data infrastructure and pipelines with leadership responsibilities, empowering your team to produce high-quality, scalable, and dependable data solutions that advance Optasia’s objectives.Your ResponsibilitiesLead, mentor, and nurture a team of Data Engineers, promoting collaboration, technical excellence, and professional development.Provide technical guidance and expertise in data engineering, steering the team toward delivering high-quality, scalable data analytical pipelines.Assist in selecting, testing, and deploying data engineering tools, technologies, and methodologies.Design, construct, and enhance end-to-end batch and streaming data analytical pipelines.Develop, maintain, and evolve the organization’s big data infrastructure and core libraries for large-scale data ingestion and processing.Collaborate closely with Solution Architects, Data Assurance Engineers, ML Engineers, and System Administrators for the design, delivery, and support of comprehensive data workflows.Promote best practices in code quality, testing, CI/CD, and data governance, ensuring scalability, performance, and adherence to data protection regulations (e.g., GDPR).Oversee code reviews, align coding standards, and manage the configuration of the big data infrastructure.

Optasia is an innovative B2B2X financial technology platform dedicated to enhancing scoring, financial decision-making, disbursement, and collection processes. Our mission is to foster financial inclusion for everyone. Join us in transforming the financial landscape!We are on the lookout for passionate and driven professionals who thrive in a collaborative environment. As a member of our dynamic team, you will contribute to delivering innovative solutions that make a difference.Data plays a pivotal role in Optasia's growth strategy, with our ML Engineering team being a key contributor. We harness data from various sources into our extensive big data clusters and develop and manage multiple analytical pipelines using state-of-the-art big data technologies.As a Senior ML Infrastructure Engineer, you will play a crucial role in enhancing Optasia's data-driven decision-making and credit risk management by developing and optimizing scalable, end-to-end ML pipelines. Your key responsibilities will include: (i) building robust ML pipelines, (ii) designing statistical and machine learning algorithms, and (iii) operationalizing these solutions to bolster credit risk management, directly impacting Optasia's success.Your Responsibilities:Provide technical guidance in ML engineering to ensure the adoption of optimal tools and methodologies, staying ahead of emerging trends and delivering industry-leading solutions.Enhance the scalability, stability, accuracy, speed, and efficiency of ML workflows while maintaining stringent testing and code quality standards.Contribute to the design and development of microservices and tools that facilitate the Machine Learning lifecycle at Optasia.Collaborate on the design and implementation of scalable, real-time microservices utilized globally.Foster continuous improvements in the development lifecycle with the team.Design, develop, and maintain large-scale Spark jobs using PySpark and Scala.Build and manage CI/CD pipelines with Jenkins.Create automation scripts using Python or Bash.Develop and deploy scalable Airflow pipelines to support the Machine Learning lifecycle.Conduct data exploration and analysis to scope, build, and refine Machine Learning proof-of-concepts (PoCs).Partner with Engineers and the Credit Risk team to design and implement solutions that deliver business value at Optasia.Optimize the codebase through Spark job tuning and refactoring.Drive enhancements to our feature engineering engine for improved efficiency.

Join our dynamic team at METRO AEBE, one of Greece's leading employers with over 11,300 dedicated professionals. Our IT Helpdesk Department, under the direction of the General Director of Organization and IT, is on the lookout for: IT Support Engineer - Store Network Assistance. In this role, you will be instrumental in delivering technical support to our extensive store network.Your daily responsibilities will include:Providing end-user technical support through phone, ticketing systems, and email communications.Diagnosing and resolving hardware, software, and network issues across various devices (PCs, printers, tablets, POS systems, scanners, etc.).Installing and configuring software applications to ensure optimal performance.Monitoring and managing local network connections, including LAN, switches, and Wi-Fi.Conducting routine diagnostic checks to uphold system integrity.Documenting, tracking, and resolving all support requests promptly.Contributing to our knowledge base and creating user manuals to enhance operational efficiency.Collaborating with other IT departments to refine systems, tools, and processes.Working on a weekly shift basis (morning, afternoon, and Saturdays).