Your day to day will include: •   Reviewing business and technical requirements to propose scalable software solutions •   Developing and refactoring applications, following coding guidelines, platform roadmap, and security standards •   Following best practices and patterns, delivering clean, testable code and practice Test-Driven Development (TDD) •   Actively participating in code reviews and reviewing QA testing results to enhance functionality and technical accuracy, debugging and troubleshooting •   Contributing to internal coding guidelines and documentation to support the software development lifecycle  •   Our tech stack includes (but is not limited to!) Java (17+), Maven, Spring (Boot), Docker, Kubernetes, Redis, MySQL, PostgreSQL    What you need to succeed:  •   BSc degree in Computer Science, Information Technology or other relevant field. MSc degree is desirable •   3+ years of professional experience in application development using Java in an enterprise environment •   Strong experience in industry-standard development frameworks and tools such as Spring, Spring Boot, JPA, JUnit  •   Experience in industry-standard relational and non-relational database systems such as MySQL, Postgres, MongoDb •   Experience with cloud environments such as Azure, AWS •   Detail-oriented, focusing on writing maintainable code of high quality (Clean Code, Clean Architecture) •   Experienced in Agile methodologies (SCRUM/Kanban) and CI/CD practices •   Good understanding of RESTful API design principles •   Experience with version control tools like Git, Subversion •   Understanding of fundamental design principles behind a scalable application •   Beyond technical skills, we’re seeking a team player who values accountability and thrives in a culture of openness and mutual respect      What’s in it for you? An award-winning working environment 🚀 State of the art facilities including gym & restaurant 🏢 Hybrid working model 💻 Competitive salary package and bonus scheme 💸 Health insurance coverage & Pension Plan 🙏 Monthly food allowance 🍴 Continuous learning with classroom/digital trainings by OpapAcademy 🎓 Internal Career Opportunities 💼 Well-Being Activities 💪   OPAP Group is an equal opportunity employer

Your day to day will include: Monitoring the daily performance and operation of systems, terminals, retail equipment, and network infrastructure to resolve issues and minimize downtime Handling technical problems reported via OPAP ITSM and coordinating with vendors to resolve issues in gaming, betting apps, and communication circuits Executing Central Information Systems operations using scripts or command line to ensure smooth gaming and betting platform functionality Addressing hardware and platform-related issues raised by OPAP corporate operations, prioritizing and resolving them per established processes Escalating incidents when necessary, assisting in investigations to reduce downtime, and keeping users updated on procedures Maintaining documentation and incident reports, including problem details and resolutions, to prevent future issues Coordinating technical issue resolution by mentoring junior engineers in incident management tasks Identifying missing IT Operations processes and taking initiative in drafting, communicating, and improving them, including automating existing TOC processes through applications/scripts   What you need to succeed:  BSc in Computer Science or Information Technology 4+ years of working experience in a customer support field, preferably technical Help-desk exposure in the provision within a corporate environment  Knowledge of the practices, processes and general standards for the end-user technical support Familiarity with ticketing systems and/or monitoring tools  Ability to comprehend and retain technical information and to clearly translate technical issues in simple non-technical terms Effective communication and good team player with strong customer service culture Excellent organizational skills and prioritization skills  Excellent written and oral communication skills both in Greek and English Availability to work on shifts 24/7/52   What’s in it for you? An award-winning working environment 🚀 State of the art facilities including gym & restaurant 🏢 Hybrid working model 💻 Competitive salary package and bonus scheme 💸 Health insurance coverage & Pension Plan 🙏 Monthly food allowance 🍴 Continuous learning with classroom/digital trainings by OpapAcademy 🎓 Internal Career Opportunities 💼 Well-Being Activities 💪   OPAP Group is an equal opportunity employer

Your day to day will include:   Identifying opportunities for technological advancements and improvements in the digital retail space such as in-store kiosk, beacons, digital signage, interactive displays, LED screens, audio-visual distribution, lighting & energy management systems, etc. Conducting thorough research to propose cutting-edge digital solutions, exploring ways to elevate OPAP’s retail network & premises digital capabilities with transformative technology. Participating in pilot projects to test and evaluate new solutions before large-scale rollouts. Providing technical support during rollout phases Monitoring quality and operational performance of existing store hardware equipment and infrastructure  Creating detailed electrical design plans and comprehensive equipment/infrastructure manuals. Preparing technical specifications for tender processes, guiding vendors through assignments, and tracking the implementation of solutions to completion. Coordinating with other internal teams (e.g. Technology) and external vendors for the delivery of the assigned digital projects   What you need to succeed:    BSc in Electrical/Electronics Engineering or related fields; MSc is preferable 3+ years of experience in digital electronics, system integration and retail technology solutions Familiarity with retail technology (e.g. digital signage, CMS platforms, digital kiosks, traffic counters and interactive displays) Ability to work under pressure, prioritize effectively and multi-task Strong problem-solving skills Teamwork and cooperation Achievement orientation  Excellent communication and presentation skills in Greek and English languages (oral & written)   What’s in it for you?   An award-winning working environment 🚀 State of the art facilities including gym & restaurant 🏢 Hybrid working model 💻 Competitive salary package 💸 Continuous learning with classroom/digital trainings by OpapAcademy 🎓 Internal Career Opportunities 💼 Well-Being Activities 💪   OPAP Group is an equal opportunity employer

Your day to day will include: •   Reviewing technical requirements of solutions implemented by the Software Development teams and recommending CI/CD methodologies •   Implementing automation workflows that allow continuous integration in test environments •   Integrating SDLC modules (source code systems, CI/CD tools, etc.) with Static Code Analysis and/or Security Testing platforms that allow possible code smells and security vulnerabilities to be tackled prior to software releases  •   Collaborating with QA engineers to ensure that automated regression testing suites can be executed upon source code changes •   Collaborating with the System Architects and QA engineers to ensure that automated stress tests can be executed and evaluated prior to major software release •   Designing and implementing solutions on top of Monitoring & Alerting systems ensuring that rollouts in production are functional, stable and reliable •   Identifying software components reaching EOL, comparing software versions, tackling incompatibilities, and suggesting upgrade/migration strategies What you need to succeed: •   BSc in Computer Science or Information Technology or equivalent STEM. MSc in relevant topic is desirable  •   6+ years of experience in a relevant role working in large-scale development projects •   Knowledge of source control systems (preferably Git)  •   Experience in implementation of CI flows using GitLab CI, Azure DevOps or similar tools •   Experience in running and maintaining Containerized applications, deployed in orchestrated environments (ie Kubernetes) •   Experience in cloud environments (eg Azure, AWS) •   Implementation skills on top of ELK stack •   Implementation skills using IaC tools (e.g., Ansible, Terraform, etc.) •   Experience in deploying applications in PaaS (e.g., Azure or similar technologies) •   Good understanding of fundamental design principles behind scalable applications •   Strong analytical and problem-solving skills •   Ability to work efficiently both on own initiative and within a team     What’s in it for you? An award-winning working environment 🚀 State of the art facilities including gym & restaurant 🏢 Hybrid working model 💻 Competitive salary package and bonus scheme 💸 Health insurance coverage & Pension Plan 🙏 Monthly food allowance 🍴 Continuous learning with classroom/digital trainings by OpapAcademy 🎓 Internal Career Opportunities 💼 Well-Being Activities 💪   OPAP Group is an equal opportunity employer

Your day to day will include: •   Reviewing system specifications and application functionalities to identify testing needs. •   Producing, evaluating, and conducting test plans, scenarios, and cases, coordinating with internal teams or third-party providers •   Designing and enhancing testing frameworks, selecting appropriate tools for various testing types (e.g., web, mobile, performance), and implementing automation frameworks. •   Creating, debugging, and maintaining automated test cases and regression suites. •   Assisting and guiding third-party testing teams, coordinating with IT and business users, and supporting deployments through smoke tests and post-launch support. •   Performing performance testing for system scalability and regression testing for updates and fixes. •   Documenting test progress, results, and defects, and recommending improvements to enhance testing efficiency   What you need to succeed: •   BSc in Computer Science or Information Technology or equivalent  •   6+ years’ experience on Software Quality Assurance in a corporate environment  •   In-depth knowledge and understanding of Quality Assurance concepts, methodology and industry-standard testing tools •   Industry certifications such as (ISTQB Certified Tester, Certified Test Automation Engineer, ISTQB Agile kTester, etc.) will be a plus  •   Experience with JIRA/Bitbucket/Confluence/Bamboo or GitLab  •   Hands-on experience in development and/or automation testing  •   Experience in automation or load testing tools (e.g. Selenium, Cypress, Mocha, Postman, Newman, JMeter, Gatling, etc.) •   Experience with CI/CD pipelines •   Good knowledge of coding and experience in JavaScript and/or Java •   Working experience with Agile methodology •   High level of accuracy and good attention to detail  •   Effective organizational, prioritization and planning skills  •   Team spirit and ability to cooperate at all levels effectively   What’s in it for you? An award-winning working environment 🚀 State of the art facilities including gym & restaurant 🏢 Hybrid working model 💻 Competitive salary package and bonus scheme 💸 Health insurance coverage & Pension Plan 🙏 Monthly food allowance 🍴 Continuous learning with classroom/digital trainings by OpapAcademy 🎓 Internal Career Opportunities 💼 Well-Being Activities 💪   OPAP Group is an equal opportunity employer

Your day to day will include: •   Reviewing business and technical requirements to propose scalable software solutions •   Developing and refactoring applications, following coding guidelines, platform roadmap, and security standards •   Following best practices and patterns, delivering clean, testable code and practice Test-Driven Development (TDD) •   Actively participating in code reviews and reviewing QA testing results to enhance functionality and technical accuracy, debugging and troubleshooting •   Contributing to internal coding guidelines and documentation to support the software development lifecycle  •   Effectively collaborating and mentoring junior colleagues, fostering a positive team environment •   Our tech stack includes (but is not limited to!) Java (17+), Maven, Spring (Boot), Docker, Kubernetes, Redis, MySQL, PostgreSQL    What you need to succeed:  •   BSc degree in Computer Science, Information Technology or other relevant field. MSc degree is desirable •   6+ years of professional experience in application development using Java in an enterprise environment •   Strong experience in industry-standard development frameworks and tools such as Spring, Spring Boot, JPA, JUnit  •   Experience in industry-standard relational and non-relational database systems such as MySQL, Postgres, MongoDb •   Experience with cloud environments such as Azure, AWS •   Detail-oriented, focusing on writing maintainable code of high quality (Clean Code, Clean Architecture) •   Experienced in Agile methodologies (SCRUM/Kanban) and CI/CD practices •   Good understanding of RESTful API design principles •   Experience with version control tools like Git, Subversion •   Solid understanding of fundamental design principles behind a scalable application •   Familiarity with Linux systems •   Familiarity with electronic/digital payment solutions will be considered a plus •   Strong analytical, problem solving and organizational skills   What’s in it for you? An award-winning working environment 🚀 State of the art facilities including gym & restaurant 🏢 Hybrid working model 💻 Competitive salary package and bonus scheme 💸 Health insurance coverage & Pension Plan 🙏 Monthly food allowance 🍴 Continuous learning with classroom/digital trainings by OpapAcademy 🎓 Internal Career Opportunities 💼 Well-Being Activities 💪   OPAP Group is an equal opportunity employer

Your day to day will include: Collaborating with TORA business team to analyze and identify needs for new functionalities or enhancements in processes and systems Conducting business process mapping and reengineering to improve operational efficiency and develop suitable technology solutions Translating business needs into functional and non-functional requirements for both business and technology teams Supporting both waterfall and agile methodologies based on project characteristics and workflows Liaising with multiple departments (Technology, Finance, Legal, etc.) to design optimal solutions aligned with business needs and goals  Identifying areas for system and process optimization, assessing impacts, and managing operational risks Document test cases / scenarios, contact UAT execution and record the respective results  Supporting testing processes, providing clarifications, and assisting in developing test plans to improve efficiency   What you need to succeed:  BSc degree in Information Technology, Business, Finance, Management or related field 4+ years of experience in Banking / Finance sector as a business analyst on banking related products Excellent organizational and project management skills Team spirit and ability to cooperate at all levels effectively Attention to detail and strong analytical skills with a commitment of high quality and accuracy Solid communication skills that allow effective communication with a diverse group of people Results oriented mentality and flexibility Ability to work under pressure with multiple projects and deliver within strict timeframes High level of accuracy, good attention to detail, methodical approach Very good knowledge of MS Office / MS project / MS Visio and MS Project Server (optional) Excellent communication skills (oral and written) in Greek and English   What’s in it for you? An award-winning working environment 🚀 State of the art facilities including gym & restaurant 🏢 Hybrid working model 💻 Competitive salary package and bonus scheme 💸 Health insurance coverage & Pension Plan 🙏 Monthly food allowance 🍴 Continuous learning with classroom/digital trainings by OpapAcademy 🎓 Internal Career Opportunities 💼 Well-Being Activities 💪   OPAP Group is an equal opportunity employer

We at Nova, looking for vibrant, young, and fast thinking "Mobile Voice Services Engineer" to be part of our successful team in our “Mobile Voice Services Team”. You have a challenging mission for: As a Mobile Voice Services Engineer, you will play a crucial role in ensuring the reliability and performance of our mobile voice services. Your expertise will be vital in maintaining and optimizing our network to deliver exceptional service to our customers. What will you do: Support Voice Technology Projects: Assist in the design and implementation of voice technology projects within the CS and IMS domains. Software Lifecycle Management: Implement major software upgrades and maintain the software lifecycle for all voice network elements, working closely with vendors. Performance Monitoring: Monitor and analyze network and service performance KPIs, identifying gaps and implementing corrective measures to ensure seamless network operation. Change Management: Participate in the change management process for configuration changes in the live network. Technical Assistance: Provide technical assistance, analyze, troubleshoot, and resolve trouble tickets affecting customer services. 3rd Level Support: Offer 3rd level support on core network systems, handling critical network trouble tickets. It would be great if you have: Educational Background: Bachelor’s degree in Telecommunications, Electrical Engineering, or a related field. Experience: Minimum of 3 years of experience in mobile voice services or a similar role. Technical Skills: Proficiency in mobile network architectures, protocols, and technologies (GSM, UMTS, LTE, VoLTE). Voice Network Architecture: Good understanding of voice network architecture and services (Voice, SMS, VoLTE, VoWiF) IMS Core Nodes: Experience with IMS core nodes (e.g., CSCF, MTAS, SBG, HSS) and related interfaces Legacy Voice Core Nodes: Experience with legacy voice core nodes (e.g., MSC, MGW, HLR) and related interfaces. Problem-Solving: Strong analytical and troubleshooting skills with a proactive approach to problem-solving. Team Player: Excellent communication and collaboration skills, with the ability to work effectively in a team environment. Adaptability: Ability to thrive in a fast-paced and dynamic work environment. What will you get: Annual Bonus to celebrate your achievements. Wellness programs to keep yourself fit. Mobile voice and data to talk. Discounts on Nova Fixed / Mobile / TV for you, friends, family. Flexy work from home to balance your life Private Insurance program to check up your health  Toddlers allowance to daycare your kids

We at Nova, looking for vibrant, young, and fast thinking "IS Middleware Engineer" to be part of our successful team in our CRM & Enterprise Applications Department. You have a challenging mission for: Researching, determining, and presenting solutions concerning IS Systems integration utilizing Oracle Middleware Products (OSB, SOA) and Java What will you do: Formulate and delives an enterprise level functional design using Oracle Middleware modules Participate in pre-planning, blueprinting, realization, final preparation and go-live / support phases of IT strategic roadmap projects assigned Complete Oracle Middleware configuration to meet the design criteria for strategic projects in respective area Provide system maintenance support and 2nd level support/troubleshooting for subject area It would be great if you have: Experience in Java, Soap / Rest Web Services, Oracle Service Bus, Oracle SOA Composites (BPEL), Relational Databases (mySQL/ Oracle SQL), PL/SQL What will you get: Annual Bonus to celebrate your achievements. Wellness programs to keep yourself fit. Mobile voice and data to talk. Discounts on Nova Fixed / Mobile / TV for you, friends, family. Flexy work from home to balance your life Private Insurance program to check up your health  Toddlers allowance to daycare your kids

We at Nova, looking for vibrant and fast thinking "NMC Backoffice Engineer” to be part of our successful team in our “Mobile-Fixed Core / IP / Access / IT NOC Department”. You have a challenging mission for: Controlling and ensure the proper operation of NOVA's network utilizing specific tools, handling trouble tickets, network tools, working on shifts. What will you do: Provide reports relevant to trouble tickets, KPIs vs SLAs, active backlog and similar network related operational reports. The control of voice problems related to the voice network and the servicing of requests related to digital functions. Handling portability problems, updating, and communicating with other service providers via a relevant mailing list. Monitor through specific tools and control of massive faults through customer complaints and escalate to the relevant departments. To control the technical actions carried out in the field related to retail customers. The sampling control of trouble tickets to ensure the quality of the service provided. It would be great if you have: Bachelor’s degree in Engineering At least 2 years of relevant experience in telco industry What will you get: Wellness programs to keep yourself fit. Mobile voice and data to talk. Discounts on Nova Fixed / Mobile / TV for you, friends, family. Flexy work from home to balance your life Private Insurance program to check up your health  Toddlers allowance to daycare your kids