Big Data Developer - Join Our Innovative Team

Become a vital part of our growing development teams as we are on the lookout for an experienced Big Data Developer. In this role, you will be at the forefront of innovation, contributing to large-scale international projects. You will collaborate closely with our agile software implementation and maintenance teams to not only develop new solutions but also enhance existing systems.Key Responsibilities:Design and implement robust solutions for big data processing using technologies such as Java and Python.

At Adaptera, we are constantly seeking highly skilled and driven individuals eager to be part of our growing team. If you have a deep passion for technology and are looking for exciting new career opportunities, we invite you to submit your application for various available positions across our organization. We value the unique skills, perspectives, and experiences that you bring, as they could significantly contribute to enhancing our vibrant and collaborative workplace, where innovation and creativity thrive.By sending us your CV, you take a pivotal step towards being considered not only for current openings but also for future roles that align with your qualifications and career aspirations. Our team is dedicated to fostering a diverse and inclusive workplace culture, a space where innovation flourishes, and every team member has the opportunity to make significant contributions to our overarching mission: empowering organizations on their transformative journeys through digital innovation and sustainable growth.

Are you eager to thrive in a rapidly expanding environment but haven't found a role that aligns with your skills? Don't worry—Skroutz welcomes your initiative!What We SeekWe invite you to submit your CV along with a brief introduction about yourself, including which team intrigues you and your motivation for wanting to join the Skroutz family.Our team will carefully review your application and respond within two weeks.What It’s Like to Work at SkroutzSkroutz stands as the premier ecommerce platform in Greece. We are dedicated to leveraging cutting-edge software development to create exceptional services and experiences. Our flagship product, Skroutz, is a product discovery and price comparison engine that is evolving into a comprehensive Marketplace.Our OfferingsSmart Workplace EnvironmentContinuous Training and DevelopmentClear Career Progression PathPrivate Health InsuranceComplimentary Breakfast, Optional Subsidized Lunch, Soft Drinks, and SnacksNecessary Work EquipmentAccess to Technical Literature, Online Courses, and Additional ResourcesFlexible Remote Work OptionsPrivacy Notice:Skroutz is committed to safeguarding personal data as per the EU General Data Protection Regulation (GDPR). The information you provide in your application will only be used for recruitment purposes and will not be disclosed to unauthorized third parties. Please review our Recruitment Privacy Policy here.

Are you enthusiastic about big data and eager to engage with advanced technologies? We invite you to explore a thrilling opportunity as a Data Engineer - Spark Developer with our dynamic and growing development teams. Whether you prefer the vibrant atmosphere of our Athens office or the flexibility of remote work, we are excited to welcome your expertise and passion.Key Responsibilities: Architect, develop, test, deploy, maintain, and enhance data pipelines; Implement coding solutions using Apache Spark on Azure Databricks; Create and design big data architectures leveraging Azure Data Factory, Service Bus, BI, Databricks, and other Azure Services. Essential Qualifications: Bachelor's degree in Computer Science or Software Engineering; Strong analytical mindset, team-oriented, dedicated to quality, and eager to learn; Comprehensive understanding of Apache Spark; Proven experience as a Data Engineer; Advanced proficiency in Python or Scala; Expertise in Spark query tuning and performance enhancement; Familiarity with cloud platforms such as Azure, AWS, or GCP; Fluent in both spoken and written English. Preferred Qualifications: Ability to understand and analyze Directed Acyclic Graph (DAG) operations; Experience in providing cost estimates for big data processing; Capability to write and review architecture documentation. Benefits:We value talent and commitment and offer a range of benefits to our team members:Competitive full-time salary;Comprehensive private health coverage under the company’s group program;Flexible working hours;Access to state-of-the-art tools;Opportunities for professional development including language courses, specialized training, and continuous learning;Career advancement opportunities with leading specialists in the industry;A dynamic work environment that promotes challenging goals, autonomy, and mentorship, supporting both personal and company growth.If you are looking for an exciting challenge, keen to work with innovative technologies, and enjoy your work, we would love to hear from you! Please submit your detailed CV in English, referencing: (DESD/02/26).Explore our other open positions by visiting our career section at www.eurodyn.com and follow us on Twitter (@EURODYN_Careers) and LinkedIn.European Dynamics (www.eurodyn.com) is a prominent European company specializing in Software, Information, and Communication Technologies, with a robust international presence.

About OTS S.A. OTS S.A. develops and supports information systems that automate essential business functions for both public and private sector organizations. With more than 30 years of experience, OTS delivers solutions for financial management, payroll, and documentation, helping organizations operate efficiently and offer digital services to citizens around the clock. The company has played a key role in digital transformation projects at national and international levels. Role Overview OTS S.A. is hiring Software Developers for full-time, in-office roles based at our headquarters in Athens, as well as in Thessaloniki and Trikala. Developers at OTS work on projects that improve urban living and support digital services used by thousands every day. What You Will Do Design backend and frontend applications with a focus on quality. Upgrade and enhance existing software systems. Implement testing practices to ensure reliable product performance. Create and maintain code libraries, technical documentation, and specifications. Offer feedback for product improvements, explore new technologies, and help introduce innovative methods within the organization. Collaboration and Growth Work alongside more than 240 professionals, including developers, consultants, and business development specialists. This position offers involvement in projects with social impact, access to training, and opportunities for professional development. Location and Work Arrangement Positions are based in Athens, Thessaloniki, and Trikala. All roles require in-office attendance at company headquarters.

As a Software Developer specializing in .Net technologies, you will be an integral part of our engineering team, dedicated to creating resilient, scalable, and mission-critical software solutions for toll collection and transportation management systems. We are looking for a passionate individual who possesses substantial experience in backend and/or embedded software development, a solid grasp of toll domain concepts, and a drive to tackle complex real-world challenges with clean, efficient code.You will collaborate closely with project managers, team leaders, software developers, systems support professionals, and other key stakeholders to ensure the timely and smooth delivery of our technology solutions. This is a full-time role aimed at fostering long-term employment, where you will help deliver and support cutting-edge systems.Key Responsibilities:Write clean, maintainable code that enhances team productivity.Develop a comprehensive understanding of the Toll Collection System.Efficiently implement solutions for resolving bugs or issues in existing product code.Engage in the design, development, and delivery of new software products or functionalities, focusing particularly on the Toll Collection System.Participate in the refinement of project vision and objectives.Review existing and updated code to identify and document 'technical debt' for future refactoring.Support project managers and team leaders in scope verification, effort estimation, and planning for product deployments and new implementations.Contribute insights and assessments on software-related subjects during management meetings.Organize and lead internal team meetings to facilitate day-to-day operations.Commit to maintaining compliance with software principles and quality standards.Facilitate knowledge-sharing sessions to enhance the team's skills.

At Uni Systems, we are committed to transforming digital aspirations into tangible results. As we continue to expand, we are eager to welcome a talented .NET Back End Developer to our dynamic UniQue Core Banking team.Your Contributions:Our diverse team at Uni Systems is united by a shared enthusiasm for technology and innovation. For the role of .NET Back End Developer, we anticipate you will:Develop and implement cutting-edge banking applications.Enhance and maintain existing systems to ensure top performance.Offer consultancy services to our esteemed clients.Utilize task tracking systems to oversee project progress effectively.Thoroughly analyze and document client requirements.Provide expert technical support to Business Consultants during the requirements gathering process.Design innovative solutions to overcome product limitations.Document comprehensive test cases.Prepare detailed documentation of project deliverables.

Elevate Your Career with Volton!Become a part of our rapidly growing company in the Energy sector, soon to expand into Telecommunications! (via Orizon)Who We Are:Volton is a fast-growing Greek company dedicated to providing reliable services that meet the increasing energy needs of businesses and households. Our goal is to build trust-based relationships with our consumers. We aspire to become one of the leading companies in the industry and to remain at the forefront of developments as the first multiservice provider integrating electricity, natural gas, and telecommunications.What to Expect from Us: After you submit your CV, we will take the time to understand your goals, professional experience, and dynamics. One of our Talent Acquisition specialists will assess your CV. If there are relevant opportunities, we will reach out to discuss potential collaboration. RequirementsWhat We Need from You: Strong communication skills and a positive attitude. A collaborative spirit with a willingness to work as part of a team. Ambition and the ability to achieve goals. With these skills, you will connect with our shared vision and contribute uniquely to achieving our corporate goals!BenefitsVolton offers competitive salary packages, a permanent contract, private health insurance, a hybrid work model, a half-day off on your birthday, early Fridays during the summer, and the opportunity to work in a modern, professional environment.What are you waiting for? Don’t miss the chance to join a certified Great Place to Work company!Apply Today & Become Part of Our Team!

About ActionlineActionline is a leading Greek company that has been providing comprehensive HR solutions, including recruitment services, since 2011. As a candidate, you will gain access to diverse projects across various sectors and prestigious organizations, while our team plays an active role in supporting your career journey.We are currently seeking candidates to fill the position of Data Entry Operator for one of our esteemed multinational clients located in Athens. Location: Athens Model: On-site Days: Monday to Friday Hours: 7:00 AM - 3:00 PM Your ResponsibilitiesEvaluate and input data from legal documents, meticulously following provided guidelines and data entry rules.Verify and confirm the accuracy of entered information. What We Are Looking ForExceptional attention to detail and accuracy in typing.Fast typing skills.Basic knowledge of Excel.Proficient in English.Strong organizational and time management abilities.Capability to focus on repetitive tasks.Able to work collaboratively in a team environment with excellent communication skills.Understanding of legal texts.High school diploma or higher education (preferred). What We OfferMonthly gross salary: €880Work in the heart of Athens.A friendly working environment. How to ApplyIf you are ready to take the next step in your career, submit your application now!For more information, feel free to contact us at 4u@actionline.gr If you have any questions, please reach out to our Recruiting department at 210 3637822.

Are you a skilled DevOps professional eager to contribute to transformative projects? We are looking for a dedicated DevOps Engineer proficient in Kubernetes, Docker, and Jenkins! Join us either in Athens, Heraklion, Rethymnon, or remotely to architect, implement, and sustain CI/CD pipelines, automate infrastructure provisioning, and guarantee the scalability and reliability of enterprise systems for a crucial e-Government initiative.Your Responsibilities: Design, implement, and maintain CI/CD pipelines utilizing Jenkins or similar tools; Deploy, manage, and monitor applications within Kubernetes clusters; Create and manage Docker images, containers, and registries; Automate infrastructure provisioning, configuration management, and application deployments; Collaborate with development teams to ensure seamless code integration and delivery; Implement and manage monitoring, logging, and alerting systems to ensure system reliability and performance; Troubleshoot and resolve issues related to infrastructure, applications, and DevOps processes; Continuously assess and implement new tools and technologies to enhance efficiency and performance; Ensure adherence to security best practices in all DevOps processes and infrastructure.

Elevate your career with us! Join our dynamic development teams in Athens or work remotely as a Data Engineer. In this vital role within our agile team, you will help design and implement cutting-edge big data solutions on a scalable cloud platform. You will analyze millions of real-time data points to extract advanced insights and enhance analytics capabilities for our end users.Your Responsibilities: Develop and implement batch processing pipelines utilizing Spark (Python or Scala) and SQL; Design and execute streaming ETL/ELT processes from a variety of data sources; Write and maintain code for developing comprehensive big data solutions, focusing on data integration and analytics use cases; Create and implement APIs using contemporary Python frameworks; Collaborate effectively with our Business Analysis teams to align technical solutions with business needs; Conduct end-to-end and functional testing using open-source tools; Set up monitoring solutions for our data platform, including alerts and dashboards. Essential Qualifications: Bachelor’s degree in Computer Science or Software Engineering; Extensive knowledge of Apache Spark; Proficient in Python and database management; Previous experience as a Data Engineer; Familiarity with Azure Data Lake Storage and Delta Live Tables; Fluency in English, both written and spoken; Strong analytical skills and a team-oriented mindset; A passion for learning and professional growth in data engineering. Preferred Qualifications: Experience with Databricks; Proficiency in API development with FastAPI; Familiarity with cloud platforms (AWS, Azure, GCP, etc.); Experience with Docker. Why Join Us?We value talent and commitment, offering a range of benefits for our team members, including:Competitive full-time salary;Comprehensive private health coverage under the company’s group program;Flexible working hours;Access to state-of-the-art tools;Opportunities for professional development including language courses and specialized training;Career advancement opportunities with industry-leading specialists;A dynamic work environment that encourages personal and professional growth through challenging goals and mentorship.If you're ready to embrace an exciting challenge, work with cutting-edge technologies, and enjoy your daily tasks, we invite you to apply! Please submit your detailed CV in English, referencing: (SDE/02/26).Explore all our open vacancies by visiting the career section of our website.

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.

Are you an ambitious Product Owner eager to take on your next big challenge? Join our dynamic Gaming team at Betsson!The Product Owner will play a crucial role within our product management team, focusing on our cutting-edge gaming products and platforms. Under the mentorship of the Product Manager, you will take charge of specific segments of our product offerings and lead key initiatives outlined in our product roadmap. Collaborate closely with engineering teams, product designers, data analysts, and stakeholders to drive continuous enhancements of our products and elevate the user experience.Key ResponsibilitiesDevelop comprehensive product specifications through user stories with well-defined acceptance criteria, supplemented with wireframes and flowcharts as needed, to ensure development teams have precise guidance for successful outcomes.Steer the product discovery process for assigned initiatives, encompassing hypothesis generation, requirements gathering, design, and scoping in partnership with the product manager, product designers, data analysts, and engineers.Assist the product manager in maintaining an organized, prioritized, and updated product development backlog.Contribute to shaping the product vision and advocate for this vision among stakeholders and engineering teams.Establish effective analytics, tracking, and data collection methods to analyze user behaviors and product performance.Provide necessary support to development teams to facilitate their delivery.Collaborate with other organizational departments as needed to achieve and measure expected outcomes.Communicate product releases and updates on ongoing development across the organization.Conduct effective demonstrations and training sessions with stakeholders for new product concepts and releases as required.Ensure meticulous maintenance of relevant product documentation and wikis.Carry out user acceptance testing for new product releases or coordinate testing efforts.Continuously evaluate the live product to identify improvement areas and deviations from expected user experiences.Support the Product Manager with delegated tasks as necessary.Gain insights into market and customer needs through data analysis and customer feedback.Encourage the team to adhere to Agile principles and best practices.

At Epignosis, our mission is bold yet straightforward: to democratize learning technologies for every business, irrespective of their sector, size, or location. For over a decade, we've empowered millions to grow, learn, and thrive with our powerful and affordable technology.Rapidly emerging as one of Greece’s leading SaaS companies, we serve over 12,000 organizations and more than 22 million learners globally with innovative solutions like TalentLMS (an award-winning cloud LMS designed for simplicity), eFront (a robust enterprise LMS), TalentCards (a mobile app for on-the-go training), and TalentHR (a streamlined HRIS for effective people operations).Our success hinges on a team that believes work should have significance—not just for the individual, but for the broader world. We seek passionate individuals who are energized by solving complex challenges, deeply committed to their craft, and eager to create products that genuinely facilitate personal growth.We are on the lookout for outstanding software engineers at all career stages. Ideal candidates are self-driven, innovative individuals who find joy in programming and building exceptional software. You should possess the ability to merge engineering with product insight, quickly absorb new concepts and technologies, and have an innate sense for superior UX and polished software.Joining our high-performance team means you'll be part of a dynamic environment focused on delivering exceptional solutions swiftly while maintaining a long-term vision. This role offers significant exposure to AI and cutting-edge technologies and tools, although extensive vibe-coding is not a primary focus.Your contributions will impact real products utilized by thousands of organizations and millions of users worldwide, directly influencing how they learn, work, and develop.

At Uni Systems, we're dedicated to transforming digital aspirations into reality. Our commitment to innovation drives our continuous growth, and we're on the lookout for a skilled .NET Engineer to become an integral part of our UniQue team.Your Role:Lead the software development lifecycle, taking on key responsibilities.Oversee customer implementations through detailed analysis, design, development, and deployment.Support system deployment and configuration efforts.Propose and implement effective technical solutions.Create and maintain thorough technical documentation, including system and code documentation, to facilitate knowledge sharing and onboarding.Diagnose and resolve complex technical challenges, providing root cause analysis and prevention strategies.Contribute to project planning sessions, offering technical insights for project estimations and ensuring timely development.Collaborate with cross-functional teams, including front-end developers, database administrators, and quality assurance engineers, to deliver top-notch software solutions.Foster a culture of continuous improvement within the development team, identifying opportunities for process enhancements and efficiency gains.

Join our dynamic team as a Python Developer in Athens or work remotely from anywhere! Be a part of our expanding development teams engaged in groundbreaking projects that push the boundaries of technology.Your Role:As a Python Developer, you will be responsible for designing and implementing efficient solutions for big data processing. You will leverage technologies including Python, R, and Apache Spark on the Azure Cloud platform.

Uni Systems delivers ICT integrated solutions and services across more than 20 European countries. Our team covers consulting, design, implementation, and ongoing support for clients seeking digital transformation. About the Initiative We are participating in the "Engineering the World: Addressing Data Scarcity 2026" event, a flagship gathering focused on technology and innovation. This initiative brings together experts and forward-thinking professionals to tackle challenges around data scarcity. Connect with Us Uni Systems welcomes candidates interested in transformative projects and innovative solutions. Submit a CV to join us during the event and explore how your skills can contribute to our shared vision. Location Athens, Attica, Greece

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.

We are excited to announce an opportunity within our expanding Research, Development & Innovation (RDI) department for an Innovation & AI Solutions Builder. This role is integral to our Innovation Management team, focusing on crafting cutting-edge, AI-driven solutions that tackle significant business challenges while delivering measurable impact.The Innovation & AI Solutions Builder will embrace a hands-on approach to innovation, rapidly experimenting and merging creative problem-solving with the latest technologies to transform concepts into scalable, actionable solutions.Our newly established iQnovus Innovation Center plays a pivotal role in coordinating research and innovation initiatives across Uni Systems and various Quest Group companies, including ACS, Info Quest Technologies, Quest Energy, and BriQ. The center is actively involved in a diverse array of EU-funded projects across sectors such as smart cities, energy, mobility, Industry 4.0, e-government, cultural heritage, and health. We collaborate closely with academic institutions, other enterprises, start-ups, and non-profit organizations across Europe to submit joint proposals for various EU funding programs like Horizon Europe and Digital Europe.Your Contribution:Our team at Uni Systems is diverse, bringing together individuals from various backgrounds united by a shared passion for technology and innovation. As the Innovation & AI Solutions Builder, you will:Lead innovation projects from inception to execution, encompassing problem identification, ideation, experimentation, piloting, and scaling.Transform business and client challenges into AI-powered solution concepts, prototypes, and MVPs, emphasizing rapid learning cycles.Serve multiple roles as needed, including innovation strategist, solution designer, product thinker, experimenter, and delivery lead.Adopt a collaborative approach to innovation, leveraging internal resources and external partnerships with start-ups, vendors, academia, and innovation communities to co-create and scale AI solutions.Conduct rapid experimentation cycles using AI tools, low-code/no-code platforms, and agile coding techniques to swiftly validate ideas.Apply and refine adaptable methodologies such as design thinking, lean startup, rapid prototyping, and continuous experimentation.Work closely with business, data, engineering teams, and external partners to ensure seamless transition from ideas to implementation.Facilitate and engage in ideation workshops, AI discovery sessions, and co-creation sprints with both internal and external stakeholders.

Are you a passionate Junior Analyst-Developer with a strong command of English, looking to make an impact on international web development projects within the eGovernment sector? Join our innovative team at our offices in Athens or work remotely, and immerse yourself in a dynamic environment where you will tackle exciting challenges for prestigious international clients.Your Responsibilities: Engage in functional and progress meetings with clients to gather requirements; Analyze and prepare comprehensive documentation including business requirements and reports; Develop functional and non-functional specifications (e.g., Use Cases); Contribute to the development of web and mobile applications using cutting-edge technologies; Participate in testing, training, and provide user support for web applications; Assist in project management activities, including coordination and reporting. Qualifications: Bachelor's Degree in Computer Science or Information Technology; Fluency in English, both written and verbal; Strong analytical skills with effective presentation and collaboration abilities; Familiarity with the web application development lifecycle, including functional requirements and testing; Proficiency in the MS Office suite alongside a solid understanding of XML, SQL, HTML, and CSS is advantageous. What We Offer:We value talent and commitment. Here’s what you can expect as part of our team:Competitive full-time salary;Comprehensive Private Health Coverage under the Company’s group plan;Flexible Working Hours to support your work-life balance;Access to top-tier tools and resources;Professional Development opportunities, including language courses and specialized training;Career Advancement potential by collaborating with industry-leading professionals;A Dynamic Work Environment that encourages autonomy, mentorship, and personal growth.If you are seeking an exciting challenge, wish to work with cutting-edge technologies, and enjoy your work, we want to hear from you! Please submit your detailed CV in English, citing reference: (JAD/02/26).Explore all our open positions by visiting our career section at www.eurodyn.com and follow us on Twitter (@EURODYN_Careers) and LinkedIn.About European Dynamics: European Dynamics is a renowned international company in Software, Information, and Communication Technologies, with operations spanning across multiple countries including Athens, Brussels, and Berlin, among others.