Application Security Engineer

About UsAt Piraeus Bank, we strive to be a cornerstone of stability for the Greek economy, driving growth and fostering innovation. Our goal is to leave a positive and lasting impact on society for the benefit of our customers, employees, shareholders, and the community, which reflects our core values. We are committed to creating value, pushing boundaries, inspiring our customers, and nurturing trust-based relationships.Piraeus Bank offers a comprehensive array of financial products and services to 4.5 million customers, making us the leading bank in Greece in terms of customer loans and deposits.In 2025, Piraeus was honored by The Banker as the “Best Bank in Greece” at the prestigious Bank of the Year Awards and recognized at the Euromoney Awards for Excellence as Europe’s Best Bank for Corporate Social Responsibility, Greece’s Best Bank for ESG, and Greece’s Best Digital Bank, showcasing our unwavering commitment to responsible banking, sustainability, and digital innovation.About the RoleWe are seeking a talented Android Developer to join our Digital Banking Platform team within Technology. In this role, you will play a crucial part in developing and maintaining secure, reliable, and high-performance mobile banking applications used by our valued customers.This position demands strong engineering maturity, a quality-first approach, and the ability to collaborate effectively across cross-functional IT teams in a regulated banking environment.Key Responsibilities:Engage in feature discovery and delivery by participating in analysis, requirements clarification, and solution design alongside Business Units and Product teams, ensuring the development of customer-centric features that provide an exceptional user experience.Oversee the end-to-end implementation of new functionalities, encompassing design, development, testing, release support, and post-release follow-up.Maintain security and compliance by applying secure-by-design principles and ensuring adherence to banking compliance standards and internal IT policies.Produce clean, maintainable, and testable code in accordance with team engineering standards and best practices.Take ownership of performance and reliability, consistently improving stability, responsiveness, and overall app quality through proactive enhancements and refactoring.Contribute to quality practices by participating in code reviews, promoting high engineering standards, and supporting a robust testing culture.Collaborate cross-functionally with backend developers, QA Engineers, DevOps, and Product teams throughout the development lifecycle.Assist in release and operations by contributing to release processes and troubleshooting production issues, ensuring timely fixes and clear communication with stakeholders.Monitor and enhance app health, ensuring optimal performance and user satisfaction.

About UsAgile Actors is a dynamic and innovative tech company dedicated to enhancing and empowering technical teams for clients both in Greece and internationally. We pride ourselves on fostering an environment rich in coaching, continuous learning, and innovation, creating a vibrant ecosystem where professionals not only contribute but also grow.When you join Agile Actors, you're not just taking on a role; you're embarking on a journey with diverse and dynamic teams that work on pioneering solutions. Our tech professionals collaborate with industry leaders such as Austrian Post, Red Hat, and Swissquote, making an impact on the global stage.We believe that work should be fulfilling and empowering. Hence, we are proud to be recognized as a Great Place to Work 2026, a testament to our commitment to nurturing an environment where talent, passion, and growth are at the forefront.

Join our dynamic engineering team as a Mobile App Developer (Toll), where you will contribute to the development of robust, scalable software solutions for toll collection and transportation management systems. We are searching for a talented individual with a strong background in mobile app development, a keen understanding of toll domain concepts or the willingness to learn rapidly, and a dedication to crafting clean, efficient code that addresses real-world challenges. You will collaborate closely with project managers, team leaders, software developers, systems support professionals, and various stakeholders to guarantee the timely and effective delivery of our innovative technological solutions.Key Responsibilities:Design, develop, and maintain cross-platform mobile applications for iOS and Android using Ionic and Angular (Capacitor/Cordova as necessary) tailored for the Toll Collection System.Work in conjunction with backend engineers to securely and efficiently integrate APIs and real-time data.Optimize mobile applications for performance, scalability, and responsiveness.Maintain high standards in app store deployment, release management, and application monitoring.Implement contemporary UI/UX principles and ensure alignment with design guidelines.Create clean, maintainable, well-tested code; contribute to unit, integration, and end-to-end tests; validate on device farms (e.g., BrowserStack) and physical devices.Stay updated with emerging mobile technologies and development trends.Engage in code reviews, documentation, and continuous integration/deployment workflows.Implement in-app purchases and enhance monetization flows.Accumulate and retain product knowledge specific to the Toll Collection System.Diagnose and resolve bugs or issues within existing mobile applications for the Toll Collection System.Participate in shaping the project vision.Assist software development leads, project managers, and other team leaders in scope verification, effort estimations, and planning/scheduling for the maintenance of existing mobile apps as well as the development of new apps or functionalities.Document management meeting outcomes and provide insights, assessments, and estimations on software-related topics as needed.Attend technical meetings and follow up on action items.Organize internal team meetings to enhance daily operations.Facilitate knowledge-sharing sessions to promote team skills advancement.

About UsYodeck is an innovative and rapidly expanding Software-as-a-Service (SaaS) provider dedicated to transforming the $23 billion digital signage sector. Since our inception in 2016, we have developed an affordable, user-friendly, and feature-rich platform that democratizes digital signage, enabling businesses of all sizes worldwide to harness its power. Currently, we support over 190,000 screens across a diverse range of industries, including restaurants, retail, education, sports venues, and conference centers. As one of the top five digital signage SaaS platforms globally, we are eager to welcome intelligent and inquisitive individuals to accelerate our growth!About the RoleWe are in search of a talented JavaScript Application Developer to become a vital part of our dynamic team. You will play a crucial role in designing, developing, and maintaining applications for various platforms, including Android, Windows, Tizen TVs, and LG TVs. This is an exciting opportunity to work on diverse projects that impact millions of users globally.Responsibilities:Design, develop, and maintain JavaScript applications for multiple platforms, including Android, Windows, Tizen TVs, and LG TVs.Write clean, efficient, and maintainable code, following best practices in JavaScript development.Ensure seamless application functionality across diverse platforms.Collaborate closely with fellow developers, designers, and stakeholders to deliver high-quality software solutions.Identify and rectify performance bottlenecks, bugs, and other issues to enhance the user experience.Utilize version control systems such as Git to manage and monitor code changes.Create and maintain comprehensive documentation for code, processes, and tools.Qualifications:1-2 years of hands-on experience in JavaScript application development.Strong grasp of JavaScript, including ES6+ features, asynchronous programming, and DOM manipulation.Experience with version control systems like Git and working with RESTful APIs and third-party service integration.Exceptional problem-solving skills and a keen attention to detail.Preferred Qualifications:Familiarity with tools and frameworks for cross-platform application development.Experience in Java is a significant advantage, especially for Android development.Previous experience in developing applications for Android, Tizen TVs, or LG TVs is a plus.Familiarity with build tools such as Webpack, Babel, or similar.Benefits:Competitive salaryBonus planStock option planOutstanding workplace certified as a Great Place to WorkHybrid work-from-home policyOffice gym

Role overview Speechify seeks a Senior Software Engineer with experience in Windows and desktop applications for its Athens, Greece office. The focus is on building software that enhances user experience and accessibility for a broad audience. What you will do Design, develop, and maintain desktop applications for Windows platforms Collaborate with colleagues across teams to deliver high-quality software Contribute to technical decisions and help guide project direction Work to ensure applications are scalable, efficient, and reliable

IKH is a premier Software and Robotics Solutions provider recognized for its innovation and international reach. Over the past few years, our team has expanded by over 80%, relocating to a new, spacious, and modern office. As we embark on an exciting journey into 2026, we are launching several new projects focusing on digital transformation, custom software development, and robotics.We are seeking a skilled Java Application Developer with robust technical capabilities and extensive experience to contribute to our challenging outsourced projects.Key Responsibilities:Design, develop, test, and maintain advanced Java applications utilizing Spring Boot, Spring Batch, and Vaadin framework (version 14 or later)Create reliable, scalable, and efficient web services using REST and SOAP protocolsConfigure and deploy Java applications on JEE application servers like Websphere, Weblogic, and JBossDesign and implement effective database solutions with RDBMS, preferably DB2Collaborate with the development team to uphold high-quality coding standardsEngage in code reviews to ensure code is maintainable, scalable, and efficientTroubleshoot and resolve complex Java application issuesWork closely with the QA team to ensure applications meet quality benchmarksParticipate in technical discussions, contributing to the design and architecture of applicationsCollaborate with cross-functional teams to deliver projects within specified timelines and budgetsStay informed on the latest advancements in Java and related technologies

Join our dynamic team as a Senior Android Developer at Betsson Group!What We SeekCollaborate with top industry talents.Develop high-traffic applications for a global audience.Take pride in your contributions and our shared success.Enjoy a supportive atmosphere with professional growth opportunities.Become part of our diverse Betsson community.Preferred QualificationsProficient in Kotlin and experienced with Android's frameworks and native capabilities.Familiarity with Firebase and its suite of tools, including analytics and messaging services.Strong analytical skills with experience in app tracking and data-driven decision-making.Experience with RESTful APIs and tools like Postman.Knowledge of GitHub pipeline setups.Ability to create high-quality Android user interfaces and animations.Expertise in developing scalable and high-performance applications.Skilled in writing clean, maintainable code with unit testing experience.Strong problem-solving skills and understanding of software architecture.Team player mentality with a collaborative approach.Experience in Agile development methodologies.Willingness to mentor and guide junior developers.Your RoleAs a Senior Android Developer, you'll be pivotal in driving our product innovation in a competitive landscape, utilizing cutting-edge technologies to build new features and products that support our core brands. You will work within a self-managing Agile team, overseeing everything from DevOps pipelines to production support. Collaborating closely with UX designers, QA engineers, and data analysts, you'll contribute to discussions that shape our products and enhance customer value.

We are excited to announce an opening for a .NET Full Stack Developer at apply2day, a company dedicated to crafting cutting-edge technology solutions. Join our dynamic and expanding team where you will play a pivotal role in designing, developing, and maintaining robust web applications using the .NET framework, while ensuring a smooth integration between the front-end and back-end of our digital platforms.Key Responsibilities: Collaborate with cross-functional teams to clarify project requirements, define scope, and establish deliverables. Develop and sustain resilient Back-End and Front-End applications utilizing technologies such as C#, .NET Framework, HTML, CSS, JavaScript, jQuery, SQL Server, and UI/UX design principles. Design, write, validate, and modify code and scripts. Implement effective testing plans to ensure high-quality deliverables. Prioritize data security and implement strategies to safeguard sensitive information. Document the development processes and maintain comprehensive records for web applications and systems. Leverage Version Control systems to manage the codebase and monitor changes. Communicate clearly with both technical and non-technical team members to provide updates and gather feedback. Stay informed on industry trends and best practices to continually improve our technological solutions.

Join Sunlight Group, where we are pioneering the future of energy storage for industrial and advanced technology applications. Our commitment to performance and ongoing improvement fuels our mission to transform energy storage solutions for a sustainable future. We operate with profound environmental responsibility, fostering a culture of openness and respect. Leveraging data and insights, we craft innovative, customer-centric solutions that drive the transition to an all-electric future through high-quality, cutting-edge technologies. Our entrepreneurial spirit thrives in an agile and collaborative environment, empowering our team members to grow, contribute, and realize their full potential.We are seeking a passionate Applications Software Engineer to join our R&D Smart Energy Systems team. If you are looking for a role where your software directly influences real-world energy systems and supports the clean energy transition, this is your opportunity to make a significant impact. Engage at the crossroads of clean energy, AI, and real-time, cloud-native software as part of a diverse R&D team. You will be at the forefront of the clean energy AI revolution, playing a vital role in developing intelligent, sustainable infrastructure.Key Responsibilities:Design, develop, test, and deploy high-quality software services and applications.Build and maintain real-time/near-real-time message-driven components (publishing/subscribing, event handling, state synchronization).Collaborate with cross-functional engineers to define application requirements, new features, and enhancements.Contribute to software architecture and reliability patterns (retries/backoff, fault handling, duplicate prevention/idempotency, graceful degradation).Write clean, well-documented, maintainable code; participate in code reviews and continuous improvement.Identify and troubleshoot software defects and operational issues promptly.Conduct thorough testing (unit/integration) to ensure correctness, reliability, and performance.Create and maintain documentation (technical specs, architecture notes, operational guides).

About Kpler Kpler helps companies navigate complex markets by simplifying access to global trade data and delivering actionable insights. Since 2014, our team, now over 700 specialists from more than 35 countries, has focused on transforming intricate data into effective strategies for clients in the commodities, energy, and maritime sectors. Role Overview The Senior Fullstack Engineer (Flutter/Node.js) joins the Mobile Experience team within Kpler’s Application Platform tribe in Athens. This role centers on building high-performance features for the MarineTraffic and Kpler mobile apps, which serve millions of users. Work is primarily in Flutter and Dart, with a strong focus on performance and Clean Architecture. This position sits at the intersection of engineering and AI: all deployed code is generated by AI, guided by your expertise. The team embraces advanced AI tools to deliver software with high quality and speed. What You Will Do Develop and improve essential mobile features using Flutter and Dart for large-scale applications. Work closely with an agile, multidisciplinary team: Engineering Manager, Tech Lead, Mid-level Engineer, Product Manager, and Designer. Guide AI-assisted software delivery, ensuring code quality and maintainability. Contribute to the Node.js/TypeScript Backend-for-Frontend (BFF) that supports mobile experiences. Support business teams in managing their functional areas independently, advancing the platformization strategy. Who You’ll Work With Engineering Manager Tech Lead Mid-level Engineer Product Manager Designer Location Athens

Join our innovative team as an Angular Frontend Software Developer and contribute to the creation and enhancement of cutting-edge Angular applications. We are seeking a dedicated professional fluent in English to work from our Athens office, where you will play a vital role in delivering high-quality web solutions.Your Responsibilities: Develop and maintain responsive web applications utilizing the latest JavaScript frameworks and libraries; Design and implement interactive web-based user interface components; Conduct thorough testing to ensure cross-browser compatibility of front-end elements.

Join our innovative Product Development Department as a Mid to Senior iOS Developer at Betsson Group. Collaborate with the talented Mobile Apps team to create exceptional native experiences that set industry standards!Why Betsson?At Betsson Group, we are dedicated to providing outstanding customer experiences in the iGaming sector. As a leading market player, we deliver online gaming products across various markets through both our own platforms and partner brands.Become part of a passionate team that is developing a scalable, multi-brand platform supporting over 25 online brands, enjoyed by hundreds of thousands of users worldwide.Work alongside some of the brightest talents in the industry.Develop applications that handle high traffic, reaching a global audience.Enjoy strong ownership of your contributions and our collective success.Experience a friendly and supportive environment with professional development programs to help you grow both technically and personally.Engage in a diverse and multicultural community at Betsson.

Accepted Ltd is seeking an Android Developer to help build and improve mobile applications in Athens, Greece. This position calls for someone who enjoys turning ideas into reliable, user-friendly features. Role overview Work closely with colleagues from different disciplines to design, develop, and refine Android apps. Creativity and attention to user experience are important in this role. What you will do Develop and maintain Android applications Collaborate with team members to deliver new features and improvements Contribute ideas to enhance usability and performance Requirements Experience building Android applications Ability to work effectively with cross-functional teams Interest in creating seamless user experiences

Join the vibrant team at Athena Cloud Limited, where we are seeking a talented Full Stack Developer to spearhead advancements in Sovereign Cloud, Sovereign AI, and Sovereign Data solutions. In this pivotal role, you will be instrumental in designing and enhancing innovative web applications and services that align with our cutting-edge product suite. Your expertise in both front-end and back-end development will be showcased as you create resilient and scalable systems.As a Full Stack Developer, you will work in close collaboration with product managers, designers, and engineers, ensuring the delivery of exceptional user experiences while maintaining robust functionality. Your responsibilities will include developing high-quality software solutions, writing clean, maintainable code, and participating in code reviews to uphold the highest standards of best practices. Your efforts will significantly impact the performance and usability of our cloud solutions, thereby enriching the overall experience for our clients.If you are passionate about modern web technologies and enjoy tackling complex challenges, we invite you to join us at Athena Cloud Limited. Contribute to meaningful projects that uphold sovereignty and privacy.

In response to our evolving corporate objectives, we are excited to welcome a talented Application Security Engineer to our dynamic team.Your Contributions Will Include:Facilitating the integration of security practices throughout the Software Development Life Cycle (SDLC) by collaborating effectively with development, QA, and DevOps teams.Executing static and dynamic application security testing (SAST/DAST) and aiding in the rectification of identified vulnerabilities.Configuring, administering, and fine-tuning application security tools (including SAST, DAST, SCA, WAF, and API security solutions).Assisting in application penetration testing, evaluating results, and coordinating remediation efforts with development teams.Acting as a bridge between penetration testers and development teams to ensure effective communication, tracking, and resolution of security issues.Conducting risk assessments for web applications, APIs, and microservices.Contributing to the automation of security measures within CI/CD pipelines.Providing support for container security, including container image scanning, vulnerability detection, and policy enforcement.

Join Our Dynamic Team at Yodeck!Yodeck is at the forefront of digital signage solutions, offering a comprehensive cloud-based service that empowers users to manage screen content effortlessly. With just one Player connected to the Internet, users can control what is displayed on their screens from anywhere in the world. Our innovative platform currently manages tens of thousands of screens globally, and we are on an exciting trajectory to double our growth each year. We are dedicated to enhancing our service, ensuring our customers can maximize their investment in digital signage technology.Our mission is simple: to simplify digital signage for every business, regardless of size or budget. We believe that effective communication should be accessible to all.About the RoleWe are seeking a talented Linux Application Developer to enhance the functionality of Yodeck's Player, specifically designed for the Raspberry Pi. Our Player is primarily built using Python (95%) with some components in C (5%), allowing us to leverage both high-level programming for automation and low-level APIs for performance optimization. If you are passionate about coding and enjoy working with low-level Linux systems, this opportunity is perfect for you!Key ResponsibilitiesEnhance the primary playback logic engine of Yodeck to integrate new features, primarily using Python.Advance our Playback Engine through innovative Python development.Design and implement APIs that facilitate playback customization via our Custom Widgets.Support new hardware platforms we aim to target.Optimize Linux configurations for the Player to ensure peak performance and reliability.Collaborate effectively within a Scrum framework, transforming user requirements into actionable engineering tasks.Work closely with other departments, including Support and engineering teams, to ensure seamless communication and execution.QualificationsA minimum of 3 years of experience as a Python Developer.Extensive knowledge and proficiency in Linux environments.Strong understanding of networking concepts within Linux.Excellent teamwork and collaboration skills.Exceptional problem-solving abilities.Bachelor's degree in Computer Science, Engineering, or a related field.Fluent in English, both written and spoken.What We OfferOpportunities for increased responsibility as Yodeck continues to grow.Competitive salary and comprehensive benefits package.Performance-based bonuses and an attractive stock option plan.Individual training budget for professional development and ongoing education.A robust benefits package, including access to an office gym, nutritionist services, meal vouchers, and more.Private medical insurance.A vibrant and supportive work environment.Flexible and dynamic international workplace.Commuting expense coverage.A commitment to equal opportunity and diversity in the workplace.Yodeck is an equal opportunity employer, dedicated to fostering a diverse workforce. We are committed to providing equal employment opportunities to all applicants.

accepted-ltd is looking for an iOS Developer to join the team in Athens, Greece. This position centers on building and refining mobile applications for iOS devices. Role overview As an iOS Developer, you will design and implement mobile apps that aim to improve user experiences. Collaboration with colleagues from different disciplines is a key part of the job, ensuring that the software meets client requirements and maintains high standards of quality. What you will do Create and maintain iOS applications from concept through delivery Work closely with cross-functional teams to define and deliver solutions Focus on user experience and application performance Location This role is based in Athens, Attica, Greece.

Join METRO, a leading Greek company established in 1976, recognized as one of the largest employers in our country with over 11,000 dedicated employees! With 230 My Market stores and 50 METRO Cash & Carry outlets, we invite you to become part of our dynamic team.Even if there are no immediate job openings, you can submit your CV here. We will keep your profile on file, and if a suitable position arises, we will reach out to you!At METRO, we believe there is a place for everyone in our team. We value diversity and select our people based on merit, regardless of gender, age, race, religion, nationality, or sexual orientation. We are committed to ensuring that everyone has equal opportunities for professional growth!What matters in #teammetro is a positive attitude, a willingness to learn, and the desire to excel in our endeavors!

Become a Key Player as a Senior Application Support Engineer at INTRALOTYour Mission:As a Senior Application Support Engineer, you will be instrumental in ensuring our applications run smoothly and reliably. You will tackle complex production challenges, contribute to system enhancements, and guide junior engineers. Your key responsibilities include:Diagnosing and resolving production incidents at the 2nd level within established SLAs.Conducting root cause analyses (RCA) to identify and address recurring issues.Improving and optimizing our existing monitoring and alerting systems, including Nagios, Grafana, and NewRelic.Partnering with cross-functional teams (Development, DevOps, and QA) to enhance system stability.Reproducing incidents in testing environments and validating solutions prior to deployment.Managing problem tracking and resolution to facilitate continuous service improvements.Offering mentorship and technical assistance to junior team members.