Senior DevOps Engineer - Infrastructure Specialist at Kiefer Tech | Athens

Kiefer Tech is the technology division of Kiefer, drawing on over 12 years of engineering experience in the Green Energy field. The team designs and delivers AI, robotics, and enterprise solutions for clients throughout Greece and the European Union. Project work includes building sovereign AI infrastructure with a focus on data privacy, deploying enterprise automation, and developing Greece’s first production-ready Large Language Models. Kiefer Tech emphasizes technical quality, innovation, and long-term relationships with clients. The company has a strategic partnership with NVIDIA, which brings together sustainable infrastructure and advanced AI systems. This collaboration aims to support Greece’s technological independence and deliver real-world benefits across multiple industries.

Join Kiefer Tech, a pioneering technology company that leverages over 12 years of engineering expertise in the Green Energy sector to drive innovation in AI, robotics, and enterprise solutions across Greece and the EU. We are dedicated to creating sovereign AI infrastructures that prioritize data privacy and deliver significant business outcomes. Our commitment to innovation, quality, and enduring partnerships empowers us to develop industry-leading AI infrastructure, including Greece's first Large Language Models and intelligent automation solutions.As an IT Manager, you will play a vital role in our rapidly expanding AI product environment. This is not merely a support role; you will be a builder, establishing and managing internal IT frameworks that enhance productivity and scalability. Your focus will be on creating automated systems that facilitate company growth and ensuring seamless integration with our product ecosystem.

Join Kiefer Tech, a pioneering technology firm in the Green Energy sector with over 12 years of engineering excellence. We specialize in developing advanced AI, robotics, and enterprise solutions, ensuring data sovereignty within the EU. Our commitment to privacy and impactful business results drives our mission to create cutting-edge AI infrastructure, including the first true Greek Large Language Models and intelligent automation solutions. Collaborating with NVIDIA, we aim to enhance Greece’s technological sovereignty and innovation landscape. Be part of our journey to shape the AI-powered future.Your Role:As a Senior Machine Learning Engineer, you will be instrumental in designing, optimizing, and scaling our AI systems that power the Sophea and Kiefer multi-product platform. This position requires a blend of hands-on ML engineering expertise and collaborative systems thinking. You will focus on production-grade ASR pipelines, enhancing Greek-language LLM performance, and developing cost-effective inference solutions while establishing technical benchmarks and elevating our ML practices organization-wide.Your contributions will significantly enhance product performance, customer satisfaction, and our capacity to deploy AI solutions across various public and enterprise sectors in Greece and beyond.Key Responsibilities:Develop and scale production-grade ASR and LLM pipelines, optimizing throughput, latency, and reliability while ensuring compliance with data sovereignty requirements.Enhance model performance through dataset-centric optimizations, broadening Greek-language capabilities and domain-specific expertise.Architect and implement scalable multi-agent AI systems to automate complex enterprise document analyses and decision-making processes.Lead cost and performance optimization efforts for model inference, utilizing techniques like quantization, caching, and intelligent routing to lower costs.Establish and maintain ML engineering standards, including evaluation frameworks, CI/CD practices, testing protocols, and mentorship initiatives within the ML team.

Join Kiefer Tech as a Senior Security Engineer, the first dedicated security hire on the Sophea platform. In this pivotal role, you will integrate security as a fundamental engineering capability, enhancing cloud infrastructure, securing AI attack surfaces, and embedding automated security practices throughout the development lifecycle. Your expertise will enable fast and confident deployments, steering clear of compliance and policy writing.Key Responsibilities:Perform comprehensive security assessments and create a prioritized remediation roadmap for infrastructure and services.Enhance security in AWS and Kubernetes environments, focusing on IAM, network policies, workload isolation, and secrets management.Secure AI-specific attack surfaces by implementing defenses against prompt injection, handling PII in LLM pipelines, and preventing data leakage.Integrate automated security measures into CI/CD processes, including dependency scanning, container image scanning, code analysis, and secrets detection.Design secure-by-default communication patterns for services, authentication processes, and data management.Develop incident response capabilities, including detection, alerting, response workflows, and post-incident reviews.Collaborate with engineering teams to enhance the security posture while ensuring smooth operations.

Join Kiefer Tech, the innovative technology wing of Kiefer, where we harness over 12 years of engineering expertise in the Green Energy sector to craft state-of-the-art AI, robotics, and enterprise solutions across Greece and the EU. Our commitment to building sovereign AI infrastructure ensures that data remains within EU borders, adhering to privacy standards while delivering substantial business outcomes. Driven by our core values of innovation, quality, and fostering long-term client relationships, we are pioneers in creating enterprise-grade AI infrastructure, including the first true Greek Large Language Models and intelligent automation solutions that empower organizations to excel. Through our strategic partnership with NVIDIA, we merge sustainable infrastructure know-how with leading-edge AI technology, cultivating an ecosystem that encourages innovation, bolsters Greece's technological sovereignty, and drives significant impact across various industries. Become a part of our mission to shape the AI-driven world of tomorrow.About the Role:We are on the lookout for a Senior Product Designer to enhance our design processes across multiple product streams and scale design output within our AI product ecosystem.Your Responsibilities:Craft exceptional UX/UI designs for our AI-powered product offeringsCollaborate closely with Product Managers and Engineering teams to ensure timely feature deliveryProduce clear, implementation-ready design assetsEnhance usability and consistency across our product suiteContribute to the development of design patterns and reusable componentsFacilitate quicker product iteration cyclesYour Qualifications:Minimum of 4 years of experience in Product Design / UX/UIStrong UX design thinking coupled with structured problem-solving skillsProficient in Figma or similar design toolsAbility to manage multiple priorities effectivelyExperience in collaborating with engineering teamsPractical mindset focused on delivery

Join Our Team at Kaizen GamingKaizen Gaming, the driving force behind Betano, ranks among the world's leading GameTech companies, operating across 20 markets. We are dedicated to leveraging advanced technology to deliver unparalleled experiences to our millions of customers who rely on us for their entertainment.Our diverse workforce comprises over 2,700 Kaizeners from more than 40 nationalities across three continents.We take pride in being recognized as one of the Best Workplaces in Europe and hold a Great Place to Work certification across our offices. Here, no two days are the same. Are you ready to Press Play on Your Potential?About the RoleAt Kaizen, our mission is to harness the capabilities of modern AI algorithms to enhance our products and business. The AI department, which includes product, platform, and research teams, is at the heart of this initiative. We craft AI solutions for a variety of applications, including fraud detection, personalized gaming recommendations, AI-powered co-pilots, and CRM enhancements.Our teams are structured to be self-driven, autonomous, and cross-functional. In this role, you will collaborate with Data Scientists, Machine Learning Engineers, Data Engineers, Data Analysts, Product Owners, and Agile Delivery Leads.As a Senior Machine Learning Software Engineer, your focus will be on delivering robust and scalable Machine Learning pipelines while supporting the operationalization of Machine Learning models.Key Responsibilities:Work closely with data scientists to create production-ready model training pipelines.Design scalable solutions in a distributed environment.Architect scalable inference pipelines.Implement model diagnostics, including evaluation and monitoring flows.Automate model deployments and enable REST API model endpoints.Develop scalable model serving flows.Optimize clusters for performance and scalability.Develop and maintain internal tools and libraries.Create CI/CD/CT pipelines.

Optasia builds B2B2X financial technology for scoring, decision-making, disbursement, and collections, with a focus on expanding financial inclusion worldwide. The company’s growth relies on data-driven strategies, and the Machine Learning Engineering team is at the center of this effort. The Machine Learning Infrastructure Engineer role supports automated decision-making and risk management. This position involves working with large data sets, integrating information from multiple sources, and managing analytical pipelines built on a modern big data technology stack. What you will do Build and maintain resilient machine learning pipelines that support business-critical decisions Design and develop statistical and machine learning algorithms for credit risk management Deploy and operationalize ML solutions to improve automated risk assessment and decision processes What we are looking for Strong experience with end-to-end machine learning workflows Background in developing and deploying advanced algorithms Motivation, energy, and a results-oriented approach Ability to thrive in a collaborative team environment This position is based in Athens, Greece, and offers the chance to make a direct impact on Optasia’s data-driven initiatives.

Join our dynamic team at Kiefer Tech, the technological arm of Kiefer, renowned for over 12 years of pioneering work in the Green Energy sector. We are at the forefront of developing innovative AI, robotics, and enterprise solutions across Greece and the EU. Our commitment to crafting sovereign AI infrastructure ensures that data remains within EU borders, prioritizing privacy while delivering measurable business outcomes. Guided by our core principles of innovation, quality, and long-term partnerships, we create enterprise-grade AI frameworks, including Greece’s first authentic Large Language Models and intelligent automation solutions that empower organizations to succeed. Our strategic alliance with NVIDIA enhances our sustainable infrastructure expertise with world-class AI technology, fostering an ecosystem of innovation that bolsters Greece’s technological sovereignty and generates significant impact across various industries. Become a part of our mission to build the AI-powered world of tomorrow.We are on the lookout for a Senior QA Engineer to help establish robust testing methodologies and ensure product reliability in preparation for our enterprise launch.

Join Kiefer Tech as a People Operations Manager in Athens, where you will play a pivotal role in shaping our team culture and enhancing our people operations. This dynamic position merges hands-on responsibilities with strategic process ownership, collaborating closely with leadership to streamline contracts, onboarding, payroll coordination, and employee experiences.In this foundational role, you will take charge of structuring and executing people operations locally. While payroll, accounting, and legal compliance are managed with external partners, your focus will be on fostering effective communication, operational excellence, and a positive employee experience.Your Responsibilities:Design and implement core people processes, ensuring their effective adoption through proactive communication and structured execution.Manage employment contracts and HR documentation in accordance with Greek labor legislation.Coordinate payroll processes with external accountants and payroll providers.Lead employee onboarding and offboarding processes, guaranteeing a seamless experience.Support performance tracking and people processes, including goal setting and feedback cycles.Organize internal team events and initiatives to enhance team engagement.Maintain HR records, ensuring compliance with local labor regulations.

About the Role netcompany1 is hiring an AI Team Lead in Athens. This leadership role focuses on guiding a skilled group of AI professionals and steering the development of new artificial intelligence solutions for clients. What You Will Do Lead and mentor a team of AI specialists Oversee the design and implementation of AI technologies Support the team in delivering solutions that meet client needs Location This position is based in Athens.

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.

Join our dynamic team as a SAP Consultant - Team Lead at netcompany1, where you will lead innovative projects and drive strategic improvements in SAP solutions. Your expertise will be crucial in optimizing business processes and enhancing our client's operational efficiency.As a Team Lead, you will mentor junior consultants, oversee project deliverables, and ensure the highest standards of service delivery. This role offers exciting opportunities for career growth and the chance to work with a talented team in a vibrant environment.

Welcome to Kaizen Gaming!At Kaizen Gaming, the driving force behind Betano, we stand as one of the largest GameTech companies globally, operating across 20 diverse markets. Our mission is to harness advanced technology to deliver unparalleled experiences to the millions of customers who rely on us for their entertainment.Our vibrant team comprises over 2,700 Kaizeners representing more than 40 nationalities across three continents.As a proud member of the Best Workplaces in Europe, and certified as a Great Place to Work in our offices, we assure you that every day here is extraordinary. Are you ready to Press Play on Your Potential?About the RoleWe seek a seasoned MongoDB Database Administrator Team Lead, proficient in MongoDB Atlas, Ops Manager, Percona operator, and other distributed databases. This pivotal role requires a blend of hands-on technical skills and leadership capabilities, focusing on the optimization, security, and scalability of our distributed database environments to ensure high availability, performance, and resilience.The ideal candidate will lead the distributed databases segment within the DBA team, effectively managing priorities, backlog, and promoting operational excellence across various environments.

Join Kaizen GamingAt Kaizen Gaming, we are at the forefront of the GameTech industry, operating in 20 markets and delivering exceptional entertainment experiences to millions of customers. Our team of over 2,700 professionals hails from more than 40 nationalities across three continents, making us a truly diverse and innovative workplace.We are proud to be recognized as one of the Best Workplaces in Europe, certified as a Great Place to Work in our offices. Here, every day is unique and filled with opportunities to grow. Are you ready to 'Press Play' on your potential?About the RoleAs the Data Science Team Lead, you will spearhead an AI product team dedicated to developing impactful AI solutions. Your role will involve analyzing data, designing machine learning models, and collaborating with technology teams to launch successful AI products.The ideal candidate will possess a robust understanding of machine learning algorithms, extensive experience in building production-ready ML/AI applications, and a proven track record of leading AI teams.Your ResponsibilitiesLead and manage a team of 5 to 7 talented data scientists and machine learning engineers.Translate product requirements into machine learning challenges while identifying key areas for AI-driven business impact.Conduct data analysis to uncover significant patterns and insights.Perform exploratory data analysis (EDA) and feature engineering to enhance the modeling process.Implement best practices in model selection, optimization, and tuning.Execute comparative experiments for model training.Evaluate various potential solutions through ML metrics analysis.Oversee the complete lifecycle of AI features, from data collection to design, implementation, and optimization in production environments.Mentor junior team members and guide the team through complex projects.

Are you an experienced Senior AI/ML Lead ready to tackle your next challenge? Join our innovative team at EUROPEAN DYNAMICS and embark on an exciting international career.Your Responsibilities:Steer the design and implementation of advanced ML models;Lead feature engineering, model experimentation, and validation;Define the technical strategy and architecture for a pioneering AI initiative;Work closely with data engineers and subject matter experts to develop the Proof of Concept (PoC) and final product;Create interpretable AI outputs that align with business operations;Develop initial prototypes and guide key technical decisions;Establish the groundwork for the expansion of our AI/ML team.Qualifications:Essential:Bachelor’s degree in IT or a related field;Over 5 years of experience in applied machine learning (including anomaly detection, fraud detection, risk scoring, and predictive analytics);Proficient in Python, ML frameworks, and hands-on data manipulation;Experience managing the entire ML lifecycle (from data to model to prototype);Capable of thriving in a small, agile, exploratory environment;Outstanding communication and problem-solving abilities;Fluency in English (additional European languages are advantageous).Desirable:Background in supply chain, customs, taxation, risk management, financial crime, or related fields;Experience with basic UI prototyping.What We Offer:At EUROPEAN DYNAMICS, we value talent and commitment. Here’s what you can expect as part of our team:Attractive full-time salary;Flexible hybrid working model;Comprehensive private health coverage as part of the company group program;Flexible working hours;Access to top-tier tools;Engagement with diverse, complex datasets across security, trade, and compliance;Opportunity for genuine ownership, autonomy, and innovative thinking;Grow alongside the team as we transition from PoC to production across Europe.If you're seeking an engaging challenge, eager to work with cutting-edge technologies, and enjoy your work, we encourage you to apply! Please submit your detailed CV in English, referencing the position: (SAIMLL/02/26).Explore our other job openings by visiting our career section on our website (www.eurodyn.com) and connect with us on Twitter (@EURODYN_Careers) and LinkedIn.EUROPEAN DYNAMICS (ED) is a leading European company in Software, Information, and Communication Technologies, operating worldwide (Athens, Brussels, Luxembourg, Copenhagen, Berlin, Stockholm, and more).

At Skroutz, we are driven by a simple mission: to amaze our customers. Since our inception in 2005, we have believed that satisfied customers lead to satisfied merchants. Our goal is to understand and anticipate their needs, providing an unparalleled shopping experience.Our vision is ambitious: to simplify online shopping by creating a trustworthy platform where millions can effortlessly meet their shopping needs. Whether searching for the latest smartphone, stocking up on pantry essentials, finding the perfect outfit, or hunting for collectible gaming consoles, Skroutz is your reliable partner for seamless shopping.Our ambitions are not confined to Greece; we are rapidly expanding into new markets across Europe, including Cyprus and the Balkans, as we work towards becoming one of the continent's fastest-growing marketplaces. Our dedication to customer satisfaction guides every decision we make.We are looking for passionate individuals who share our enthusiasm for e-commerce and technology. If you strive to create extraordinary shopping experiences for users and help sellers grow their businesses globally, we want you on our team.Join Skroutz and be part of a transformational journey that is redefining online shopping. Let’s convert everyday moments into remarkable experiences together.Are you ready to take on the challenge?#AimToAmaze

Role Overview Kaizen Gaming is looking for a Frontend Software Engineering Team Lead based in Athens, Greece. This position leads frontend development efforts for our gaming platforms. The team lead guides engineers, sets priorities, and helps deliver software that meets high standards for quality and customer satisfaction. Key Responsibilities Direct and support a team of frontend engineers in day-to-day development work. Coordinate with product, design, and backend teams to align on project goals and timelines. Ensure software releases meet quality expectations and deliver a strong user experience. Promote best practices in frontend engineering and help team members grow their skills.

Are you seeking a rewarding career opportunity within a dynamic international organization that fosters personal and professional growth? Do you possess strong team leadership experience in managing customer support teams? If so, we invite you to consider this exciting role!Key Responsibilities: Implement ongoing reviews and proactive management strategies for absenteeism and attrition among team Advisors, ensuring thorough completion of return-to-work and exit interviews. Regularly assess and monitor the performance of all Advisors against set KPIs, initiating necessary corrective measures using performance management tools to address any deficiencies. Conduct formal quarterly performance evaluations and monthly one-on-one meetings with each Advisor, ensuring their objectives are continuously aligned with business KPIs. Recognize and reward Advisors for exceptional performance and accomplishments, in line with the company's mission and values. Promote a culture of transparent and constructive two-way communication, ensuring vital messages are communicated to all team members while encouraging feedback and the sharing of innovative ideas and best practices. Foster an environment that nurtures teamwork, where Advisors are engaged, loyal, and take pride in their work; ensure actions from employee satisfaction surveys are effectively implemented and monitored. Coach, mentor, and inspire Advisors by equipping them with the necessary skills and knowledge to excel in their roles, while also providing opportunities for career development and skill enhancement. Take appropriate measures to enhance client satisfaction survey scores. Qualifications: Native or proficient in Dutch (C2 level required) Advanced proficiency in English (at least C1 level) both verbal and written (required) A minimum of 12 months of experience in a call center environment, preferably as a Team Manager or Product Specialist Demonstrated interpersonal, coaching, and leadership abilities Exceptional telephone, keyboard, and communication skills, both verbal and written Logical and objective approach to evaluating calls Strong organizational and prioritization skills, with the ability to multitask This is an office-based position in Athens, Greece. Benefits: Competitive Salary: €1,450 gross per month (14 payments) Performance bonus Fully funded training Permanent employment contract Assistance with paperwork (AFM-AMKA) Private health insurance Continuous learning and development opportunities Attractive career advancement prospects A safe, friendly, diverse, and supportive work environment with cutting-edge technology An international and multicultural atmosphere (celebrations, etc.)

Join our client’s team in Athens as a German-speaking Team Leader in Customer Care. This is an exciting opportunity to oversee a dedicated team within the tourism and flight booking sector. Your role will focus on providing exceptional service while driving performance through strategic initiatives, managing KPIs, and nurturing strong client relationships.Key ResponsibilitiesLead, coach, and mentor a team of customer care agents (currently ~8, with the potential for growth)Monitor and enhance team performance through KPIs, implementing action plans to meet targetsMaintain daily direct communication with clients (German-speaking only)Ensure top-notch service delivery and continuous improvement in performanceInspire and motivate the team, fostering a positive and results-oriented atmosphereAddress complex operational issues and deliver effective solutionsFacilitate onboarding, training, and ongoing coaching programsRequirementsFluency in German (C2) and proficient English skills (C1-B2)Demonstrated leadership experience in BPO or customer care settingsFamiliarity with KPIs, metrics, and performance managementExcellent communication and presentation abilitiesA proactive mindset with a strong drive to achieve resultsAble to thrive in a fast-paced and dynamic environmentPreferred QualificationsExperience in sales or cross-selling (e.g., insurance products)Proficiency in coaching methodologies and talent developmentBenefitsSalary: Up to €1,750 gross/month (dependent on experience, negotiable)Monthly transportation allowance (€100)Metro cardComprehensive private life and medical insurancePotential hiring bonusOpportunity to collaborate with international clients and gain valuable exposureCareer growth potential within a developing team structureWorking Conditions100% on-site roleFlexible schedule options (shifts between 09:00–21:00 or 11:00–19:30 based on team needs)Opportunity for one trip to Germany for training or client meetings