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Mid-Senior Software Engineer (Java/Spring Boot)

IKH

Full-time|On-site|Gerakas, Attica, Greece

IKH is a premier provider of Software & Robotics Solutions, making waves on an international scale. Over the last few years, our dynamic team has expanded by over 80%, we have transitioned to a spacious and modern office environment, and we are excited to embark on several new ventures in digital transformation, custom software development, and robotics as w…

Mar 2, 2026

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Senior Software Engineer (Java) at Upstream | Gerakas, Attica, Greece

Upstream

Full-time|On-site|Gerakas, Attica, Greece

About UsAt Upstream, we are pioneers in mobile technology, delivering cutting-edge solutions to over 1.2 billion consumers worldwide. In today's rapidly evolving digital landscape, we empower businesses to amplify their digital presence and enhance toolkits that optimize user experiences, foster engagement, attract new clientele, and drive revenue growth.Imagine performance marketing taken to the next level as our exceptional marketers and engineers create unparalleled digital journeys through a unique omnichannel marketing strategy. We proudly collaborate with industry giants across the sectors of Telecommunications, Insurance, Education, FMCGs, and Retail in more than 45 countries spanning Latin America, Africa, the Middle East, and Southeast Asia.The OpportunityWe are on the lookout for a passionate Senior Software Engineer to join our dynamic Software Development team based in Athens, Greece.In this role, you will become an integral part of a highly skilled team focused on mission-critical applications, playing a key role in the complete software development lifecycle—from conception and design to testing. Your expertise in Java application development will support our business goals while ensuring high-quality deliverables.Your Key Responsibilities Include:Developing well-designed, testable, and efficient software modules.Ensuring that designs adhere to specifications and that all aspects of the implementation are thoroughly covered.Preparing and managing software component releases.Providing ongoing support for production systems.Creating and reviewing design documentation and offering constructive feedback on test plans.Promoting continuous improvement by exploring alternative technologies and presenting findings for architectural review.Mentoring and guiding junior developers.

Dec 8, 2025

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Senior Full-Stack JavaScript Software Engineer

upstream

Full-time|Hybrid|Gerakas, Attica, Greece

About UsAt upstream, we are at the forefront of mobile technology, delivering cutting-edge solutions that empower over 1.2 billion consumers globally. In an increasingly digital landscape, we assist businesses in expanding their digital presence and enhancing their toolsets to optimize user experiences, increase engagement, attract new customers, and drive revenue growth.We redefine performance marketing as our exceptional marketers and engineers craft unparalleled digital journeys through a unique omnichannel marketing approach. We proudly partner with leading names in Telecommunications, Insurance, Education, FMCGs, and Retail across more than 45 countries in regions such as Latin America, Africa, the Middle East, and Southeast Asia.The OpportunityAs our business expands and project demands grow, we are actively seeking a passionate Senior Software Engineer to join our dynamic Software Development team in Athens, Greece. Our headquarters in Gerakas embraces a hybrid working model.In this role, you will collaborate with a highly skilled team on mission-critical applications throughout the entire development lifecycle—from ideation and design to development and production deployment. Utilizing advanced JavaScript technologies such as React/Next.js and Express.js, you will develop both public-facing and internal application modules for our products. You will work alongside QA Automation and DevOps Engineers who are vital to our continuous integration and delivery processes, as well as UI/UX Designers and Product Managers to create our world-class Marketing Technology Platform.We prioritize industry best practices and are committed to providing an exceptional developer experience, ensuring that you have the tools and support necessary to excel in your role. You'll have the chance to engage with top-tier private cloud infrastructure, including Kubernetes clusters and dedicated performance labs, to meet our platform's performance and scalability requirements. We believe in cultivating an environment that enables you to reach your full potential and deliver high-quality work with confidence.Your Key Responsibilities:Design and develop well-structured, testable, and efficient software modules.Translate business specifications, designs, and wireframes into robust code.Create reusable components for our frontend component library.Prepare and release software module updates.Troubleshoot and support existing products and infrastructure.Review, test, and debug code effectively.Promote continuous improvement by exploring new technologies and presenting these for architectural evaluation.Guide and mentor junior developers in writing clean, maintainable, and efficient code.

Jan 9, 2026

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Senior Security & Compliance Engineer

Upstream

Full-time|On-site|Gerakas, Attica, Greece

About UsLeading the charge in mobile technology, we empower 1.2 billion consumers with innovative solutions. In a rapidly evolving digital landscape, we enable businesses to enhance their digital capabilities and optimize user experiences. Our cutting-edge performance marketing strategies, developed by skilled marketers and engineers, create unparalleled digital journeys across various channels. We proudly partner with industry giants in Telecom, Insurance, Education, FMCGs, and Retail across 45+ countries in Latin America, Africa, the Middle East, and Southeast Asia.Position Overview:We are on the lookout for a Senior Security & Compliance Engineer who will bring specialized security expertise, skills, and best practices to our talented engineering teams. The ideal candidate is a dedicated engineer passionate about resolving complex security challenges while delivering robust engineering solutions. This position entails acting as a technical leader for projects and technologies, serving as a crucial resource within the company, and thriving in dynamic, production-facing environments.Key Responsibilities:Monitor and respond to security events, managing escalations and acting as a liaison during security incidents.Act as a dedicated security analyst for critical projects.Lead the vulnerability management lifecycle, overseeing installation and patching efforts.Conduct specialized security tasks, including security audits, penetration testing (CHECK, CREST, CEH, TIGER), evidence collection, and forensic analysis.Drive and manage technical tasks, ensuring completion within time and technological constraints.Contribute to end-user security education and awareness initiatives.Maintain and update compliance posture, ensuring security policies and standards are current and effective.Serve as the primary technical resource for security-related client discussions, effectively communicating technical concepts to diverse audiences.Provide essential security content and review for commercial engagements, including RFPs, bids, and client assurances.

Oct 10, 2025

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Release Engineer / Coordinator

IKH

Full-time|On-site|Gerakas, Attica, Greece

IKH is an innovative leader in Software and Robotics Solutions, operating on a global scale. In just a few years, our dynamic team has expanded by over 80%, prompting our relocation to a spacious, modern office environment. As we embark on 2026, we are excited to initiate a variety of new projects in digital transformation, custom software, and robotics.We are currently seeking a Release Manager to spearhead new and challenging outsourced projects.Key ResponsibilitiesStrategically plan, coordinate, and manage release schedules.Monitor and manage all release-related tickets and change records.Facilitate release readiness reviews and make go/no-go decisions.Ensure comprehensive documentation and approvals are secured prior to production deployment.Communicate release status, potential risks, and timelines effectively to stakeholders.Conduct post-release reviews to capture lessons learned and improve processes.Maintain release calendars and foster alignment across multiple teams.Soft SkillsExemplary organizational skills with a knack for coordination and multitasking.Meticulous attention to detail and adherence to processes.Accountable, taking full ownership of release outcomes.Consistent, reliable, and driven by deadlines.Strong communication and stakeholder management abilities.Proficient in working efficiently under pressure during critical release windows.

Mar 3, 2026

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Performance Engineer

iKnowHow S.A.

Full-time|On-site|Gerakas, Attica, Greece

iKnowHow Group is a vibrant international technology firm boasting over 24 years of experience and a diverse team of more than 300 skilled professionals. We specialize in delivering cutting-edge technology solutions across key sectors, including Energy, Telecommunications, Banking & Financial Services, and the Public Sector.Our specialized subsidiaries enhance our domain expertise in critical areas such as Health and Robotics, seamlessly merging extensive industry knowledge with advanced, future-proof technologies.At the heart of our operations, iKnowHow S.A. excels in end-to-end project development, both for internal initiatives and client-facing projects, transforming strategic visions into scalable, real-world solutions. Our extensive portfolio encompasses Data & AI platforms, enterprise integration, cloud-native applications, and large-scale digital transformation initiatives, empowering leading organizations in both public and private sectors to evolve and thrive.We are in search of inquisitive and driven individuals who aspire to make a significant impact through technology and grow alongside us.We invite you to apply for the role of Performance Engineer and play a crucial role in ensuring the scalability, stability, and reliability of our applications and systems under diverse workloads.

Mar 27, 2026

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Technical Support Engineer

Upstream

Full-time|On-site|Gerakas, Attica, Greece

About UsAt Upstream, we are at the forefront of mobile technology innovation, empowering 1.2 billion consumers with cutting-edge solutions. As the digital landscape expands, we partner with businesses to enhance their digital capabilities, optimize user experiences, engage customers effectively, and drive revenue growth.Our performance marketing strategies are unparalleled, as our elite marketers and engineers craft exceptional digital journeys through a unique omnichannel marketing approach. We proudly collaborate with industry leaders across various sectors such as Telecommunications, Insurance, Education, Fast-Moving Consumer Goods, and Retail, serving over 45 countries across Latin America, Africa, the Middle East, and Southeast Asia.About the RoleWe are seeking an enthusiastic Technical Support Engineer to join our dynamic Technical Support team in Athens, Greece. In this role, you will play a vital part in ensuring the stability and reliability of Upstream's infrastructure, which encompasses hardware, software, and applications critical to our revenue-generating projects, operating 24/7 in a rotational shift model.Your responsibilities will include monitoring our infrastructure, swiftly identifying and resolving issues, providing support to both internal and external users, and contributing to our ongoing automation initiatives to enhance operational efficiency.Main Responsibilities:Continuously monitor the Upstream infrastructure, adhering to standard procedures and utilizing available tools.Promptly report, identify, and investigate issues, responding accurately to system errors.Follow established protocols for escalating incidents to the appropriate second-level support teams.Ensure all incidents are accurately recorded and closed in a timely manner.Generate standard reports and maintain high-quality outcomes.Complete operational tasks and respond to ad-hoc requests promptly while ensuring quality results.Deliver technical support by effectively managing and resolving customer inquiries.Review and provide feedback on documentation, suggesting improvements and utilizing scripting skills in Python, Bash, or other languages to automate routine tasks.

Sep 17, 2025

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Automotive Engineer

Spotawheel

Full-time|On-site|Gerakas, Attica, Greece

We are revolutionizing the way individuals can purchase or lease a vehicle, redefining the concept of 'trust' in the automotive space!Spotawheel offers the easiest, most transparent, and user-friendly way to find the perfect used car right at your doorstep.Since our inception in 2015, we have expanded our operations to three countries (Greece, Poland & Romania) and have been recognized as one of the fastest-growing companies in Europe by the Financial Times for three consecutive years (2021, 2022 & 2023).Spotawheel at a glance: Selected used cars based on quality and reliability. Written technical inspection report with a 200-point check by Spotmechanic. Ability to inspect at any workshop or dealership. Demonstration and test drive at the buyer's preferred location. Up to 5 years warranty… for free! 7 days or 300 km return policy on the vehicle. At Spotawheel, our team is our driving force! We invest in our people by providing an environment of trust, recognition, and integrity.We are currently seeking an Automotive Engineer for our workshop in Gerakas.

Oct 1, 2025

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DevOps Engineer

iKnowHow S.A.

Full-time|On-site|Gerakas, Attica, Greece

iKnowHow S.A. is part of the iKnowHow Group, an international technology firm based in Gerakas, Attica, Greece. With more than 24 years in the field and a team of over 300 professionals, the group delivers technology solutions for sectors such as Energy, Telecommunications, Banking & Financial Services, and the Public Sector. Subsidiaries focus on specialized areas like Health and Robotics, combining deep industry knowledge with new technologies. The company leads a range of projects, from internal initiatives to client-facing solutions. Its work covers Data & AI platforms, enterprise integration, cloud-native applications, and large-scale digital transformation. Clients include both public and private organizations. About the Role iKnowHow S.A. is looking for a DevOps Engineer to join the team. This role centers on Banking Application implementation projects. The DevOps Engineer works closely with clients, helping to translate business needs into technical specifications and supporting ongoing and upcoming projects. Main Responsibilities Design, implement, and refine CI/CD pipelines using Jenkins to automate quality assurance for Git-managed source code. This includes building, packaging, deploying, and running unit and integration tests for application modules on platforms such as Linux, IBM AIX, Windows, and OpenShift. Work with scripted and parameterized Jenkins pipelines, integrating tools like Git, Sonarqube, Docker, OpenShift, LiquiBase, databases, microservices, Newman-Postman, and various plugins. Develop and enhance web tools that simplify routine release, application, and data management tasks. Set up and maintain monitoring tools and dashboards using Grafana, Prometheus, and the ELK stack.

Apr 20, 2026

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SSIS Data Engineer

iKnowHow S.A.

Full-time|On-site|Gerakas, Attica, Greece

iKnowHow S.A. is part of the iKnowHow Group, a technology company with more than 24 years in the field and a team of over 300 professionals. The group delivers technology solutions to sectors such as Energy, Telecommunications, Banking & Financial Services, and the Public Sector. Specialized subsidiaries within the group focus on areas like Health and Robotics, integrating advanced technologies for clients and internal projects. The company’s portfolio covers Data & AI platforms, enterprise integration, cloud-native applications, and digital transformation initiatives for organizations in both public and private sectors. Role overview iKnowHow S.A. is hiring an SSIS Data Engineer in Gerakas, Attica, Greece. This role will support ongoing and upcoming data migration projects, working as part of a collaborative technology team.

Apr 20, 2026

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Cloud Platform Engineer at Upstream | Gerakas, Attica, Greece

Upstream

Full-time|On-site|Gerakas, Attica, Greece

Who We AreAt Upstream, we stand at the forefront of mobile technology, delivering innovative solutions to over 1.2 billion consumers globally. In a rapidly evolving digital landscape, we empower businesses to enhance their digital presence and optimize user experiences, driving engagement, attracting new customers, and increasing revenue streams. Our exceptional team of marketers and engineers crafts unparalleled digital journeys utilizing a comprehensive omnichannel marketing strategy.We proudly collaborate with some of the largest names across various sectors including Telecommunications, Insurance, Education, FMCGs, and Retail, operating in over 45 countries throughout Latin America, Africa, the Middle East, and Southeast Asia.About the Role:We are seeking a highly skilled Cloud Platform Engineer to join our dynamic team. This role focuses on enhancing the development, testing, integration, packaging, and deployment processes of our microservice-based products. The ideal candidate is a passionate engineer with a deep appreciation for Linux, a preference for shell scripting over IDEs, and a strong understanding of cloud infrastructure and VMware virtualization. A solid networking background and adaptability in a polyglot environment are essential, as is the ability to thrive in fast-paced, agile production settings.Key Responsibilities:Shape the future of our artifact and container-based deployment strategies.Enhance and maintain our immutable deployment platform.Design high-volume, low-latency applications for mission-critical systems, ensuring optimal availability and performance while working closely with development teams.Create and implement on-premise and cloud infrastructure solutions using platforms such as VMware, AWS, and Azure.Upgrade and maintain our on-premise data center infrastructure.Optimize cloud infrastructure for cost-efficiency, performance, and scalability.Deploy Infrastructure as Code (IaC) using tools like Ansible and Terraform.Diagnose and resolve system performance, network connectivity, and security issues.Conduct system upgrades, patch management, and security enhancements.Adapt to and thrive in a continuously evolving environment.Design and implement CI/CD pipelines using tools like Jenkins and GitLab CI/CD to automate build, test, and deployment processes.Facilitate developers in building, baking, and deploying images across local, Kubernetes, and cloud environments.Collaborate with Upstream engineers to deliver a polyglot-friendly experience and top-tier support for platforms utilizing Java, Python, Go, PHP, and more.Monitor performance, availability, and security of our systems.

Mar 13, 2026

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Experienced Manual Tester (QA) at iKnowHow | Gerakas, Attica

iKnowHow S.A.

Full-time|Hybrid|Gerakas, Attica, Greece

iKnowHow S.A. is part of the iKnowHow Group, a software and robotics solutions company with more than 24 years of international experience. The group employs over 300 professionals and delivers technology solutions for industries such as energy, telecommunications, banking and financial services, and the public sector. Specialized subsidiaries focus on different technology domains and market needs. At iKnowHow S.A., teams use current technologies to manage projects from initial concept through delivery. The company’s work includes data and AI platforms, enterprise integration, cloud-native applications, and digital transformation for major organizations in both private and public sectors. Role overview iKnowHow S.A. is hiring an experienced Manual Tester (QA) for new outsourced projects. This role is based in Gerakas, Attica, Greece.

Apr 17, 2026

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Technical Product Manager at Upstream | Gerakas, Attica, Greece

Upstream

Full-time|On-site|Gerakas, Attica, Greece

Who We AreAs a pioneering force in mobile technology, Upstream empowers over 1.2 billion consumers with cutting-edge solutions. In an increasingly digital landscape, we enable businesses to expand their digital capabilities and enhance user experiences, drive engagement, attract new customers, and ultimately, increase revenue.Imagine performance marketing at its pinnacle; our exceptional marketers and engineers craft unparalleled digital journeys through a unique omnichannel marketing strategy. We proudly partner with industry leaders across Telecommunications, Insurance, Education, FMCGs, and Retail in more than 45 countries spanning Latin America, Africa, the Middle East, and Southeast Asia.About the RoleUpstream is seeking a Technical Product Manager who will collaborate closely with our teams to guide products from conception through to launch. This pivotal position will report directly to the Head of Product & Engineering Operations.As a member of the Technical Product Management team, you will serve as a bridge between the technical and business realms, actively contributing to the design and delivery of products and services that resonate with our customers. You possess a proactive mindset, enabling you to dissect complex challenges into actionable steps that facilitate product development while ensuring that Upstream consistently maintains high standards in product quality and customer experience. Your contributions will empower Upstream to make a significant positive impact on millions of consumers globally.Key ResponsibilitiesDefine the product vision and roadmap.Coordinate with internal stakeholders to ensure alignment on priorities and schedules.Create comprehensive product requirements with prioritized features and justifications to drive development.Collaborate closely with engineering teams to identify optimal solutions and monitor ongoing development timelines.Engage in brainstorming sessions to wireframe and outline new features.Contribute to the upkeep of technical documentation.Work in conjunction with fellow Technical Product Managers, Operations teams, and Commercial teams for coordinated deployments and seamless delivery of new features.Maintain expert-level knowledge of products and solutions, acting as a subject matter expert for your areas of responsibility.Engage in customer meetings to provide technical insights regarding your product areas.

Apr 1, 2026

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