Senior Quantitative Developer

Join Our TeamOpenBet stands as a premier figure in the global betting and gaming entertainment sector, relied upon by over 200 partners to deliver unforgettable winning experiences to millions of players around the globe. From facilitating bets during monumental events like the FIFA World Cup and Super Bowl to innovating cutting-edge products such as BetBuilder, we are committed to enhancing the player experience through superior content, state-of-the-art technology, and advanced player protection mechanisms.With a rich legacy spanning over 25 years, our robust platform empowers the most esteemed betting brands, guaranteeing optimal performance with 100% uptime, unparalleled scalability, and rapid execution. Boasting 85 licenses and a client roster that includes 20 World Lottery Association operators, along with a dedicated team of over 1,200 professionals across 14 countries, we remain at the forefront of the industry. Join OpenBet and elevate your career while being part of a global team that is redefining the future of betting entertainment for millions.Your RoleThe Quant Development unit within our Data Science team is seeking a Senior Quant Developer responsible for the creation and maintenance of sports betting forecasting models. This role will be situated in Athens.Key Responsibilities:· Develop new player prop markets leveraging price feed and statistical data, including unique exotic betting markets that stand out in our current offerings.· Innovate and enhance sports betting models, improving pricing accuracy, scalability of code, and execution speed and memory efficiency.· Oversee the team's services, including Alerting systems for Traders.· Manage and optimize data pipelines in the cloud for efficiency and scalability.· Introduce new coding design patterns that adhere to best practices in object-oriented programming, and effectively communicate these to the team.· Collaborate with client-facing teams to discern customer needs and business requirements, and present project updates to leadership.· Work closely with product owners and software developers to transition projects from concept to integration.· Mentor junior team members and conduct regular knowledge-sharing sessions on topics such as sports betting models, API design, and cloud solutions.Your Qualifications:· A postgraduate degree in Data Science, Machine Learning, Statistics, Mathematics, or a related quantitative discipline.· A minimum of 5 years of relevant work experience, or a PhD in a quantitative field with at least 2 years of experience.· Proficient programming skills in object-oriented programming languages (C# or Python) and familiarity with databases (SQL and NoSQL).· Experience with various modeling techniques including Probability Distributions, Generalized Linear Models, Monte Carlo Simulations, Bayesian Inference, and Time-Series Analysis.· A proven interest in developing forecasting models specifically for sports.· Strong analytical and problem-solving skills, along with excellent communication abilities.

Optasia is a leading B2B2X financial technology platform dedicated to enhancing scoring, financial decision-making, disbursement, and collection processes. Our mission is to drive financial inclusion for everyone, and we are passionate about transforming the financial landscape.We are on the lookout for dynamic and motivated professionals who are results-oriented and possess a proactive mindset. Join a team of like-minded individuals who are innovating solutions in an exciting work environment. As a Senior Quantitative Risk Data Scientist, you will play a crucial role in Optasia's algorithmic trading and portfolio optimization unit. As part of the Credit Portfolio Optimization team, you will merge your expertise in risk management, research, and technology to implement trading strategies across various projects. You will utilize your insights and knowledge to make real-time critical decisions while collaborating with experienced traders, big data specialists, and machine learning engineers to optimize system performance.Your ResponsibilitiesDevelop and implement algorithmic solutions aimed at optimizing revenues through credit risk analysis.Generate credit-risk insights using advanced big data analytics.Create and execute portfolio risk assessment tools and procedures to effectively monitor and manage credit risk.Conduct in-depth risk analysis on microloans and other financial products, refining risk models to enhance decision-making processes.Identify and assess credit risk factors using sophisticated computational techniques on extensive datasets.Build predictive models, employing both statistical and machine learning methods, to bolster risk management strategies.Work collaboratively with fellow data scientists and machine learning engineers.Continuously enhance and refine risk assessment methodologies to keep pace with evolving market conditions.Mentor junior and mid-level quantitative analysts, fostering an environment of collaboration and knowledge sharing.Stay informed about industry trends, emerging technologies, and evolving methodologies to maintain best-in-class risk management practices.

Optasia is an advanced B2B2X financial technology platform dedicated to enhancing scoring, financial decision-making, disbursement, and collection processes. Our mission is to drive financial inclusion globally, as we are transforming the financial landscape.We are in search of passionate and dynamic professionals with a results-oriented mindset to join our innovative team. As the Director of Quantitative Risk Management, you will lead a team of 50 dedicated members focused on optimizing Credit Risk. Your primary responsibility will involve researching, developing, implementing, and managing a framework for quantifying model and market risk. The ideal candidate will be self-motivated, thrive in fast-paced environments, and possess strong interpersonal skills for effective collaboration with Credit Traders and Quantitative Risk Data Scientists.Key Responsibilities:Oversee the measurement, monitoring, and control of credit risk.Develop a robust framework for risk model validation and strategy assessment.Review and validate the accuracy and suitability of existing and new risk models.Assess and validate credit risk policies.Design and define comprehensive credit risk management reports.Provide expert guidance to risk stakeholders regarding risk-taking practices.Support and validate risk optimization systems.Conduct detailed analysis and documentation of methodologies, techniques, and findings.Engage in cutting-edge research for risk quantification and model validation.

Optasia is a B2B2X financial technology platform focused on scoring, financial decision-making, disbursement, and collection. The company’s mission centers on advancing financial inclusion worldwide and reshaping the financial sector through a distinct approach. Role Overview The Quantitative Risk Data Scientist will join the Credit Portfolio Optimization team in Athens. This position sits at the intersection of risk management, research, and technology, contributing to algorithmic trading and portfolio optimization projects. The role involves working alongside traders, big data experts, and machine learning engineers to support real-time decision-making and maintain strong system performance. What You Will Do Design and implement algorithmic solutions to maximize revenue through detailed credit risk analysis. Extract actionable insights on credit risk using advanced big data analytics. Develop tools and procedures for portfolio risk assessment to monitor and manage credit risk effectively. Conduct thorough risk analyses of microloans and other financial products, refining risk models to improve decision quality. Identify and evaluate credit risk factors by applying advanced computational techniques to large datasets. Build predictive models using statistical and machine learning methods to strengthen risk management strategies. Collaborate closely with data scientists and machine learning engineers. Continuously update risk assessment methods in response to changing market conditions. What We Look For Bachelor’s or Master’s degree in Data Science, Statistics, Finance, Mathematics, or a related discipline. 2-5 years of experience in quantitative risk analysis, preferably within financial services. Demonstrated skill in developing and applying algorithmic models for revenue and risk optimization. Strong background in statistical modeling and experience with machine learning models. Proficiency in Python or R, and hands-on experience with big data risk analytics. Track record of designing and deploying portfolio risk assessment tools. Excellent problem-solving skills and attention to detail when working with complex datasets. Key Attributes Sound judgment and strong analytical thinking. Self-driven, resourceful, and comfortable working independently.

Snappibank is hiring a Quantitative Analytics Manager in Athens to focus on risk management within its financial operations. This position centers on using quantitative analysis to identify, assess, and help reduce risks across the organization. Role overview The Quantitative Analytics Manager leads a team dedicated to building and refining analytical models for risk assessment. The role involves interpreting complex data, shaping risk strategies, and ensuring findings are communicated clearly to stakeholders to support business decisions. What you will do Guide a team of analysts in developing and maintaining quantitative models for risk management Analyze financial data to identify trends and potential areas of risk Present actionable insights and recommendations to senior stakeholders Requirements Experience in quantitative analysis within financial services Proven ability to lead teams and manage analytical projects Strong communication skills for presenting complex findings to diverse audiences

Join Interweave as a Senior WordPress Developer and play a pivotal role in shaping digital experiences across various platforms and channels, including products, websites, mobile apps, and marketing campaigns. You will work alongside a dynamic team of strategists, marketers, information architects, UX designers, and copywriters to create outstanding online brand experiences.We are passionate about leveraging WordPress to drive business transformation, and we are eager to welcome a skilled Senior WordPress Developer to our team. Your expertise will help us continue delivering exceptional websites and applications that exceed our clients' expectations.The ideal candidate will possess a robust portfolio showcasing their expertise in front-end development and a passion for exploring and implementing cutting-edge technologies. You should be well-versed in software development methodologies while demonstrating flexibility to thrive in an agency environment.Mindset:We are looking for someone who: Is passionate about their craft Maintains a positive attitude and approaches challenges with a solution-oriented mindset Exhibits a balance of critical thinking and proactive execution Collaborates effectively in a team setting, sharing knowledge and expertise Seeks personal and professional growth to enhance the quality of their work Stays current with the latest technological innovations and trends Embodies honesty and a sense of fun Demonstrates meticulous attention to detail About UsINTERWEAVE: Rebels in Business - Consulting | Creative | Technology At Interweave, we are an innovation-driven company with technology and insights at our core. Our mission is to drive transformative change.We bring together strategy consultants, innovators, and creative makers to break down silos and blend disciplines with industry expertise and entrepreneurial spirit. Serving as your partner for change and growth, we operate globally from offices in London, Athens, and the UAE, and have received over 50 global awards for our projects across more than 40 countries. Campaign UK has recognized us as one of the Top 11 World's Independent Agencies, and our CEO has been honored as one of the Top 10 CEOs and Leaders in the UK, earning a spot on the prestigious BIMA100 list. We are proud members of WPI, a global network comprising 120 offices across 48 countries.About our Technology Team: By joining our IW Lab, you will engage in developing and executing projects that span various platforms and channels, including products, platforms, websites, mobile apps, web applications, and campaign landing pages. Collaborating with technologists, developers, UX/UI designers, information architects, product managers, creatives, strategists, marketers, and copywriters, you will contribute to building exceptional products and online brand experiences.

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.

Optasia is an innovative B2B2X financial technology platform dedicated to transforming financial decision-making, scoring, disbursement, and collection processes. Our mission is to promote financial inclusion for everyone, and we are making a significant impact in the world.We are looking for passionate individuals who are driven by results and possess a proactive mindset. Join our dynamic team of like-minded professionals who are committed to delivering cutting-edge solutions in an exciting and collaborative environment.As a Junior Quantitative Risk Data Scientist, you will play a vital role in enhancing Optasia's advanced risk management strategies and optimizing revenue as a key member of our Credit Portfolio Optimization team. This team specializes in credit scoring, model development, and managing large loan portfolios daily. Your responsibilities will include (i) creating statistical and machine learning algorithms for credit evaluation, (ii) optimizing revenues through effective risk management, (iii) conducting detailed risk analytics, and (iv) integrating models into day-to-day operations of extensive loan portfolios. You will collaborate within a robust team of 25 skilled professionals.Your ResponsibilitiesConduct comprehensive risk analyses and optimizations on microloans, comprising 80% of your role.Design predictive models, primarily focusing on statistical approaches with occasional machine learning applications.Provide actionable insights into credit risk utilizing advanced big data analytics.Assess and analyze credit risk factors through computational techniques on extensive datasets.Work closely with cross-functional teams to facilitate data-driven decision-making.Continuously enhance risk models to maximize financial outcomes while minimizing risks.Your QualificationsBachelor’s degree in Data Science, Statistics, Mathematics, or a related discipline.Strong background in statistical modeling; familiarity with machine learning is advantageous.Proficient in programming languages such as Python or R, with substantial experience in big data analytics.Thorough understanding of risk analytics and credit risk determinants.Adept at managing and analyzing large datasets to extract valuable insights.Excellent analytical and problem-solving abilities.Key AttributesExceptional interpersonal and communication skills.Capacity to meet tight deadlines while maintaining meticulous attention to detail.Strong judgment and problem-solving capabilities.Experience adhering to secure coding practices and guidelines (e.g., OWASP, NIST).Why Join Us? Experience the thrill of working in a forward-thinking company that is committed to driving change in the financial landscape.

Working Model: Hybrid | Type: Full-timeAbout Accepted: We are a forward-thinking software and digital transformation company dedicated to empowering our clients across various sectors including Finance, Energy, Gaming, and Telecommunications. With over 20 years of expertise in engineering excellence, we pride ourselves on delivering innovative, outcome-driven solutions and building high-performing teams that integrate seamlessly with our clients.We invite you to join us as a Senior .NET Developer to enhance our hybrid delivery teams.Key ResponsibilitiesDeveloping high-quality web and API applications utilizing C# and .NET Core.Participating in the technical design of systems and exploring new tools and technologies.Integrating third-party APIs into our applications.Understanding and implementing RESTful APIs and the HTTP protocol.Managing efficient MS SQL databases.Engaging in team code reviews to ensure quality standards.

Are you an enthusiastic and skilled Senior .NET Developer seeking your next career opportunity? Join our team at European Dynamics, where you can work remotely from Athens, Crete, or Thessaloniki, and engage in exciting IT software projects for prestigious international public organizations.Your Responsibilities: Develop and maintain sophisticated web-based applications using .NET and .NET Core; Engage in all phases of the software development lifecycle, including design, implementation, testing, documentation, and maintenance of system components; Collaborate with a diverse team in a multinational setting, maintaining high standards of professionalism; Deliver high-quality software solutions. Essential Qualifications: Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field; Demonstrated analytical skills, team-oriented mindset, and a passion for learning and excelling; Deep understanding of Software Engineering principles; Extensive knowledge of .NET/.NET Core, web technologies, and database management; Proficiency in C# programming; Familiarity with JavaScript and TypeScript; Fluent in English, both spoken and written; Strong expertise in ASP.NET Core, MVC, unit testing, Entity Framework Core, MS SQL Server, REST Web Services, Visual Studio, Azure DevOps, and Git. Preferred Qualifications: Experience with .NET 5 or 6, Angular or React, Azure or Kendo UI, Office 365/SharePoint, MS Azure, SOA Architecture, Event Driven Architecture, or Microservices is highly valued; Relevant Microsoft Certifications are an advantage. Why Join Us?At European Dynamics, we value talent and dedication. Here’s what you can look forward to:Attractive full-time salary;Comprehensive private health coverage through the company’s group program;Flexible working hours;Access to cutting-edge tools;Opportunities for professional development, including language courses and specialized training;Career advancement with a team of innovative and experienced specialists;A dynamic work environment that offers challenging goals, autonomy, and mentorship, fostering both personal and organizational growth.If you are eager for an exciting challenge and want to work with advanced technologies, we invite you to submit your comprehensive CV in English, referencing: SND/02/26.Explore all our current job openings by visiting our careers page: www.eurodyn.com.

ATCOM S.A. leads the web development industry in Greece, delivering a wide range of large-scale web projects and solutions across various sectors, including e-commerce, travel, intranets, news portals, and other significant web applications for both the private and public sectors. As the largest web development company in Greece, we truly value every team member who contributes to our success. We believe in empowering our teams and individuals, which is why we seek passionate, self-motivated professionals who strive to accomplish their goals independently. We want you to love what you do and create exceptional web solutions.As our products are built on Microsoft technologies, we are in search of a talented and highly productive Senior .NET/C# Web Developer to join our skilled team. Here, you will have the opportunity to work on some of the most exciting and challenging web projects in Greece. We thrive in a fast-paced, dynamic environment and utilize cutting-edge web technologies to achieve outstanding results.

Join the cutting edge of technology as a Mid-Senior React Developer at Netcompany!As a vital member of our agile teams, you will engage in large-scale transformation projects that positively impact millions of EU citizens. Your contributions will be crucial in shaping innovative solutions that drive forward digitalisation in Europe.In this role, you will:Work collaboratively with the development team to define and execute the strategic direction of front-end development, ensuring alignment with business objectives.Mentor and support junior developers, fostering a culture of continuous improvement and knowledge sharing within the team.Design and build high-performance, scalable web applications aimed at enhancing user experience.Collaborate closely with project managers to gather requirements and set realistic timelines for project deliverables.Promote the adoption of modern development practices and tools, contributing to a culture of best practices that enhance team efficiency.Troubleshoot and resolve intricate technical challenges, providing innovative solutions to boost product performance.Ensure timely delivery of project milestones while upholding high-quality standards.Engage in technical decision-making processes, influencing the direction of future projects.

Join our innovative team as a Senior Java Developer at accepted-ltd, where you will play a crucial role in designing and implementing robust software solutions. Your expertise in Java development will be essential as you collaborate with cross-functional teams to deliver high-quality products that meet our clients' needs.

Have you ever imagined being a .NET Developer (Senior-Lead) at Netcompany? Join our team and be part of a dynamic group dedicated to driving enterprise-level digital transformation.Your role extends beyond just coding; it’s about architecting scalable solutions, setting the technical direction, and delivering impactful results.In this position, you will engage with complex, mission-critical systems where performance, maintainability, and architectural integrity are paramount. As a senior member of the team, you will lead by example, mentor junior developers, and maintain high standards of technical excellence.Key Responsibilities:Oversee the design and development of scalable, secure, and high-performance enterprise applications.Convert complex business needs into robust, future-proof technical architectures.Produce clean, reusable, and well-documented code that adheres to best practices.Participate in and evaluate architectural decisions and technical design processes.Guide and mentor mid-level and junior developers.Conduct code reviews to uphold high coding standards.Collaborate with architects, product owners, and vital stakeholders.Engage actively in Agile/Scrum ceremonies, estimations, and planning sessions.Ensure quality delivery through testing strategies, CI/CD pipelines, and performance enhancements.

Join our dynamic team at Netcompany1 as a Mid-Senior SQL Developer. In this role, you will leverage your expertise in SQL to design, implement, and optimize database solutions that drive business performance. If you are passionate about data and enjoy solving complex problems, we want to hear from you!

We are seeking a highly skilled Senior-Lead SAP ABAP Developer to join our dynamic team at netcompany1. In this role, you will leverage your extensive knowledge and experience in SAP ABAP to lead development projects, mentor junior developers, and collaborate on innovative solutions that drive business success.

Join the METRO Team: As one of Greece’s premier employers, METRO AEBE boasts a workforce of over 11,000 dedicated professionals. We proudly operate one of the largest retail networks in the country under the My Market brand, comprising 290 stores nationwide, while also leading the wholesale sector with 50 METRO Cash & Carry locations serving various professionals across Greece.Our remarkable success is fueled by a robust ecosystem of self-developed enterprise systems, including our ERP, Warehouse Management System (WMS), and Transportation Management System (TMS). These vital systems seamlessly connect every facet of our business operations, from pricing strategies and promotional campaigns to efficient warehouse management and last-mile delivery routing, ensuring our customers consistently find fresh, high-quality products on our shelves.We are currently seeking an experienced Senior PL/SQL Developer to become an integral part of our Enterprise Systems team, focusing on the design, enhancement, and optimization of these critical business platforms.

The Betsson Group's Engagement Product Development team is expanding, and we are seeking a talented Senior Salesforce Marketing Cloud Developer to join our ranks! At Betsson, engagement means ensuring our customers return for an exceptional experience beyond gameplay. This includes dynamic personalized campaigns, tournaments, and much more! Your Role and Responsibilities: Serve as a consultant and technical expert on the Salesforce platform, providing top-notch support to stakeholders and users. Collaborate closely with diverse experts to harness Salesforce technologies through various integrations. Establish new business units in Salesforce Marketing Cloud (SFMC), focusing on data point configuration and FTP setups. Utilize AMP script to create dynamic content within SFMC. Develop custom applications in Journey Builder using SSJS and leverage REST & SOAP APIs to create installed packages. Segment targeted audiences based on email behavior and CRM attributes using Data Extensions and SQL configurations. Employ Journey Builder, Automation Studio, Interaction Studio, Content Builder, Email Studio, and others to facilitate multi-touch communications. Manage complex campaign workflows and data segmentation for campaigns and triggered sends. Oversee the ETL processes for various business units, providing best practice recommendations for daily automations. Configure the database environment by designing the data model with Data Extensions and Contact Builder in Data Designer. Establish data validation, cleansing, and deduplication rules within SFMC. Define data connectors for seamless data ingestion into Salesforce, collaborating with CRM and Data teams as necessary. Assist in the technical and architectural framework for SFDC applications. Ensure scalability for all developed solutions. Act as the go-to expert for SFMC, supporting internal stakeholders including managers and end-users. Gather and implement requirements based on industry best practices as an SFMC expert. Effectively communicate technical and business solutions to a diverse range of audiences.

About UsAt Agile Actors, we are a dynamic technology firm dedicated to enhancing and empowering technical teams for clients both locally in Greece and internationally. Our distinct approach combines coaching with a commitment to continuous learning and innovation, creating an environment where professionals not only contribute but also experience significant personal and career growth.Joining our team means engaging with cutting-edge solutions and diverse, energetic teams where each project marks a significant career milestone. Our talented professionals collaborate with global leaders across various industries, including prominent names like Austrian Post, Red Hat, and Swissquote.We firmly believe that the workplace should be more than just a job; it should be a space where individuals can thrive. We are proud to be recognized as a Great Place to Work 2026, reflecting our dedication to cultivating an environment where talent, passion, and growth can flourish.Our Core ValuesWe stand by our core principles:Having a purposeBeing adventurousBeing AgileRespect and EmpowerAuthenticity and TrustEvolving through our clientsCandidate ProfileWe seek technology professionals who embody purpose, curiosity, and passion. If you view challenges as opportunities and desire to make a tangible impact through your work, you will thrive here. If problem-solving excites you and collaboration inspires you, you'll find your place with us.As part of Agile Actors, you will be adventurous and agile, ready to welcome new ideas and adapt to fast-paced environments. Based in Athens, you will work alongside talented clients to deliver innovative solutions that shape the future of technology. You will evolve through projects with leading global companies, supported by an environment founded on trust, respect, and empowerment.

Are you eager to contribute to a pioneering force in educational technology? Join PeopleCert, the global leader in the assessment and certification of professional skills, with a presence in over 200 countries. This is your opportunity to apply now!We are seeking a skilled Senior Software Developer to become an integral part of our Software Development Team. You will be tasked with designing and developing cutting-edge applications that facilitate and manage our certification exams, available around the clock worldwide. Our web-based applications leverage cloud services (Azure) and various technologies, including JavaScript, Redis, OAuth, .NET, SQL Server, along with iOS and Android native app development and video streaming.Your Responsibilities:Software Development and Maintenance: Engage in the complete software development lifecycle for our products, crafting well-structured, testable, and efficient code while ensuring thorough documentation per PeopleCert standards.Project Leadership: Proactively lead project planning and design efforts. Monitor project progress meticulously, offering strategic guidance and daily status reports to management and project management teams via Wrike.Advanced Quality Assurance: Conduct unit testing and initial debugging to guarantee optimal functionality. Act as the primary liaison with the Software Quality Assurance team to ensure timely enhancements and issue resolutions.Technological Innovation and Mentorship: Investigate and incorporate state-of-the-art technologies, tools, and solutions. Mentor junior developers by sharing insights and best practices to enhance team capabilities.Team Collaboration and Communication: Collaborate effectively within a team environment, liaising with colleagues to achieve the best results.Policy Implementation: Uphold adherence to company policies and procedures in accordance with the PeopleCert Integrated Management System.Cultural Ambassador: Promote our values of