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We are seeking a highly skilled Senior AI Engineer to join our team.In this role, you will contribute to the development of advanced AI solutions for a variety of business domains. You will collaborate with cross-functional teams and clients to deliver impactful, scalable, and innovative AI-driven products. #LI-YAROSLAVADIAKOVAResponsibilities<ul><li>Design, implement, and maintain end-to-end AI applications, including chatbots, Q&amp;A platforms, and agent workflows</li><li>Work directly with clients to understand requirements, identify opportunities, and recommend LLM-driven solutions</li><li>Develop and manage robust data pipelines, prompt strategies, and datasets to support effective and accurate AI models</li><li>Evaluate and refine AI system performance to ensure outputs are accurate, secure, scalable, and compliant with industry regulations</li><li>Conduct research and rapid prototyping to validate technical feasibility and demonstrate business value of AI solutions</li><li>Stay up to date with evolving LLM technologies, frameworks, and methodologies to continuously improve solutions and client outcomes</li></ul>Requirements<ul><li>At least 3 years of experience in AI engineering or a related field</li><li>Strong proficiency in Python and experience with web frameworks such as FastAPI or similar</li><li>Understanding of the AI application development lifecycle, from design to deployment</li><li>Experience with rapid UI prototyping using tools like Streamlit, Gradio, or similar frameworks</li><li>Familiarity with major LLM platforms and APIs, including OpenAI, Anthropic, Amazon Bedrock, Gemini, and related frameworks such as LangGraph, LlamaIndex, and Strands Agents</li><li>Knowledge of advanced AI integration patterns, including Retrieval-Augmented Generation (RAG) and agent-based architectures</li><li>Experience deploying AI solutions at scale, with a focus on performance, cost-efficiency, and maintainability</li><li>Ability to evaluate generative AI quality using metrics such as retrieval and classification scores, as well as LLM-based evaluation methods</li><li>Proven track record in delivering ML-based solutions and AI engineering projects</li><li>Strong problem-solving skills and attention to detail</li><li>Excellent communication, collaboration, and interpersonal skills</li><li>Fluent English skills (written and spoken) at a B2+ level or higher</li></ul>Nice to have<ul><li>Experience designing experiments, conducting A/B tests, and iterating on models based on user feedback</li><li>Understanding of retrieval systems, including keyword search, vector search, embeddings, and ranking algorithms</li><li>Familiarity with emerging protocols such as MCP, A2A, ACP, and others</li><li>Experience deploying to cloud AI platforms like Azure OpenAI, Amazon Bedrock, GCP Vertex AI, or on-premise solutions such as vLLM</li><li>Experience with enterprise AI platforms, including AWS AgentCore, Databricks AgentBricks, Google Agents Space, or Azure AI Foundry</li><li>Experience with observability and monitoring tools and frameworks for AI systems</li></ul>We offer<ul><li>For your comfortable work:<ul><li>Remote and hybrid work opportunities</li><li>Option to work from our centrally located office in Athens</li><li>Corporate laptop provided</li><li>Private health insurance</li><li>Meal vouchers / restaurant tickets</li><li>My Benefit card (264€/year)</li><li>Monthly public transportation card</li></ul></li><li>For your growth:<ul><li>Global and diverse client portfolio, large-scale projects, and trendy technologies</li><li>Diverse multicultural, multi-functional, and multilingual work environment</li><li>Opportunity to contribute to internal and open-source products</li><li>Outstanding career development opportunities with a transparent career path and a roadmap to accelerate your journey</li><li>Possibility to create a Personal Development Plan from the first day in the company</li><li>Numerous opportunities for self-development: hard &amp; soft skills internal training courses, mentoring programs, and unlimited access to LinkedIn Learning courses, external e-Libraries</li><li>Certification opportunities</li><li>Knowledge-sharing with colleagues from EPAM's global tech and non-technical communities</li><li>Language courses</li></ul></li></ul>

Senior AI Engineer

We are looking for an Appian Developer to join our dynamic team. In this role, you will be responsible for designing, developing, and maintaining scalable and secure Appian applications that drive process automation and digital transformation. You’ll collaborate with cross-functional teams to deliver innovative solutions using the latest capabilities of the Appian platform. What You’ll Be Doing<ul><li>Design, develop, and maintain robust Appian BPM/low-code applications with strong focus on scalability and security.</li><li>Build dynamic user interfaces and workflows using Appian SAIL and process modeling tools.</li><li>Integrate Appian applications with external systems using REST/SOAP APIs, JSON, and web services.</li><li>Perform database modeling, optimization, and management of CDTs, Records, and Data Stores.</li><li>Translate business requirements into effective Appian process solutions and implement best practices.</li><li>Collaborate with agile teams during sprints, reviews, and retrospectives to deliver high-quality software. </li></ul>What You’ll Bring<ul><li>4+ years of experience in Appian development or related BPM/low-code platforms.</li><li>Proven expertise with Appian architecture, SAIL, Expression Rules, Constants, and Decision Rules.</li><li>Strong understanding of BPMN and process-driven application design.</li><li>Experience with APIs, SQL databases (MySQL, PostgreSQL, SQL Server), and integrations with enterprise systems (e.g., Salesforce, SAP, ServiceNow).</li><li>Familiarity with CI/CD and DevOps tools such as Git, Jenkins, and Appian Deployment Automation Manager.</li><li>Excellent communication and collaboration skills, with a proactive approach to learning new Appian features like Agentic and Composer. </li></ul>Nice to Haves<ul><li>Hands-on experience with Java, JavaScript, or Python for advanced plugin or integration development.</li><li>Prior involvement in Appian project migrations or platform consolidations.</li><li>Appian certifications (Associate, Senior, or Lead Developer).</li></ul> How We Support Your Growth🍽️ Lunch Is On Us: Monthly allowance for your favorite meals. 🏥 Health First: Private health &amp; life insurance for peace of mind. 💻 Set Up For Success: The right tools to stay connected and perform your best. 📚 Curiosity Never Retires: Access to Udemy for unlimited learning. 🚀 Career Rocket Fuel: Coaching and mentorship programs tailored to your goals. 🎯 Work With The Best: Collaborate with industry-leading clients. 🌈 Celebrate Diversity: Be part of a team that values every perspective. 💸Performance Pays Off: Annual discretionary bonus based on yearly contributions. 🌱 Social Responsibility: Give back through volunteering and sustainability.

Appian Developer

As a Retail Analytics Senior Specialist, you will play a key role in shaping and supporting the strategic direction of OPAP’s retail network. You’ll contribute to the definition of business objectives, commercial KPIs, and budget planning, while continuously monitoring performance and delivering insightful reports. Additionally, you’ll provide comprehensive analytics and reporting across the entire retail ecosystem, supporting stakeholders at all levels, from agents and Marketing Units to Area Managers, Sales teams, and top management.&nbsp;Your day to day will include:<ul><li>Monitoring retail network KPIs (OPAP stores, Play Stores, indirect channels) and developing Power BI reports (annual, quarterly, monthly, ad-hoc) with detailed performance analysis by region, store, and product.</li><li>Conducting ad-hoc and deep-dive analyses to assess commercial initiatives (e.g., Sports Party, KINO draws).</li><li>Tracking performance and reward schemes to ensure effectiveness.</li><li>Evaluating retail initiatives for impact and alignment with business priorities.</li><li>Ensuring accuracy and stability of reporting tools, combining technical expertise with business understanding.</li><li>Delivering actionable insights that connect data to commercial outcomes.</li><li>Collaborating with the AI team on root cause analysis and predictive modeling and expanding reporting automation using AI capabilities.</li><li>Contributing to the design and evaluation of commercial and credit policies, and reward schemes, recommending improvements.&nbsp;</li><li>Suggesting new initiatives, services, and features to boost retail ROI for partners and OPAP.</li><li>Conducting post-investment appraisals of retail initiatives, evaluating store profitability with Sales and Finance.</li><li>Aligning with BI team to optimize data infrastructure that supports the team's reporting needs.</li></ul>&nbsp;What you need to succeed:<ul><li>Bsc in Management Science &amp; Technology, Management of Information Systems or relevant field</li><li>Master’s in Business Administration, Finance, Economics, Marketing or relevant field</li><li>Hands-on experience in analyzing, visualizing and interpreting data using tools like R / Python / SQL / Power BI / Data Bricks / Microsoft Azure</li><li>Excellent numerical and analytical skills with the ability to interpret data into well-presented, meaningful stories</li><li>Knowledge of basic financial principles</li><li>Experience in predictive analytics, ideally by utilizing automation, ML &amp; AI features</li><li>Strong result &amp; consumer-oriented approach</li><li>Excellent communication and presentation skills in English &amp; Greek</li><li>Good Knowledge of the gaming industry will be considered an asset</li></ul>&nbsp;What’s in it for you?<ul><li>An award-winning working environment&nbsp;🚀</li><li>State of the art facilities including gym &amp; restaurant&nbsp;🏢</li><li>Hybrid working model&nbsp;💻</li><li>Competitive salary package and bonus scheme&nbsp;💸</li><li>Health insurance coverage &amp; Pension Plan&nbsp;🙏</li><li>Monthly food allowance&nbsp;🍴</li><li>Continuous learning with classroom/digital trainings by OpapAcademy&nbsp;🎓</li><li>Internal Career Opportunities&nbsp;💼</li><li>Well-Being Activities&nbsp;💪</li></ul>&nbsp;OPAP Group is an equal opportunity employer&nbsp;

Retail Analytics Sr. Specialist (3770)

At GWI we’re always looking for extraordinary people who thrive on making an extraordinary impact. Right now we’re looking for an Engineering Manager to play a key role in our API team in Athens. If that’s you, and making a difference gets you out of bed in the morning, keep reading. It could be the start of something, well, extraordinary.Sounds great, what will I be doing? 🤔As our Engineering Manager you’ll lead a highly capable group of engineers responsible for building and scaling GWI’s API platform. Your focus will be on reliability, performance, and security, while ensuring our APIs are developer-friendly and enable integration into customer ecosystems and AI/LLM platforms. This means overseeing delivery against the roadmap, supporting your team’s effectiveness, and driving operational excellence. You’ll work closely with Product and cross-functional partners to bring initiatives to life, while creating the right environment for engineers to deliver at pace and with confidence.Core responsibilities<ul><li>API delivery &amp; operations: Oversee the design, development, and reliability of GWI’s APIs.</li><li>API lifecycle practices: Ensure strong documentation, standards, versioning, error handling, authentication, and rate limiting.</li><li>Ecosystem integrations: Deliver initiatives to integrate the API, and MCP into customer platforms and AI/LLM agents (Claude, ChatGPT, Copilot).</li><li>Security &amp; compliance: Uphold strong data protection and authentication/authorization standards.</li><li>Monitoring &amp; performance: Drive observability, incident readiness, and continuous performance improvements.</li><li>Monetization enablement: Partner with Product to implement rate limits, quotas, usage metering, and entitlement enforcement.</li><li>Team effectiveness: Set priorities, remove blockers, and maintain healthy, sustainable ways of working.</li><li>Cross-functional collaboration: Work with Product, Security, Legal, GTM, and other Engineering teams to deliver roadmap items predictably and at high quality.</li></ul>It’s also fun; shaking things up is what working for a growing company is all about. So you’ll need to be flexible, comfortable with continuous change, and working in a high-tempo environment as we grow.What do I need to bring with me? 🧳You’re an experienced engineering leader who combines technical credibility with delivery focus. You know how to get the best from senior engineers, keep teams aligned, and ensure APIs are built and operated to a high standard.Here’s what we’re looking for:<ul><li>Experience managing backend or API-focused teams in SaaS or platform companies.</li><li>Solid technical background in backend engineering (Go, Java, Node.js, or similar) and familiarity with scaling APIs.</li><li>Strong grasp of the API lifecycle: OAuth2, JWT, SSO, versioning, quotas, rate limiting, monitoring, error handling.</li><li>Comfort working in cloud-native environments (ideally Google Cloud) with microservices and CI/CD practices.</li><li>Ability to balance delivery, quality, and sustainability while supporting team health.</li><li>Track record of effective cross-functional collaboration with Product and other stakeholders.</li></ul>Nice to have:<ul><li>Experience with API monetization and entitlements.</li><li>Exposure to AI/LLM integrations or Model Context Protocol (MCP).</li><li>Familiarity with observability practices (Prometheus, Grafana, OpenTelemetry).</li><li>Experience integrating APIs with enterprise SaaS systems.</li></ul>Equally important is attitude. We want people who think big (to make an impact), ask why (to find a better way), and show respect (to everyone, at every level, all the time). Those are our values, exemplified by our leadership team, and they’re a big part of what we’re looking for in you.Interview steps 👟👉 Preliminary phone call with the Talent Team (no video required) 👉 Take-home task&nbsp;👉 First video interview with the hiring managers&nbsp;👉 Second (and final*) video interview&nbsp;with the hiring panel, often including a presentation, followed by a values conversation with members of the wider GWI community.Don’t be alarmed if there are other stages in the process, it’s all part of the plan for some of our roles.What exactly is GWI? 👀GWI is modernized consumer research; global, on-demand, and accessible to everyone, not just data experts. Our platform is designed for companies looking for fresh and insightful data about their consumers’ values, purchase journeys, media usage, and social media habits.&nbsp;With data representing the views of nearly 3 billion people across 52+ countries, GWI has become the go-to for agencies, brands, and media companies that want to know what really drives their audience to action.Since launching in 2009 we’ve grown at a healthy pace, and to maintain this growth we need more extraordinary people. Hence this ad. Hence you.What’s in it for me? 🎁You’ll do the sort of work that got you excited about your career in the first place - not as a cog in a machine, but as an individual whose contribution matters. So gigantic job satisfaction comes as standard, but it’s only part of the package. You’ll also get:&nbsp;Global benefits 🌎:&nbsp;🌴 Tons of days off: 25 days annual leave | End-of-year office closures&nbsp;🧘 Great work-life balance: Flexitime | Early Friday finishes | Work-from-anywhere options&nbsp;| ‘Work from home’ budget🏡 Family-focused flexibility: Carer days | Enhanced parental leave | Private insurance for you and your your family💪 A commitment to YOU: Accredited learning programs | A commitment to mental and physical health | Reward and recognition programs | Career development opportunities💛 A commitment to the community: DE&amp;I committee | Volunteer options | 100% donation matching | Payroll giving optionsLocation-specific benefits 🇬🇷:🎓 Generous training budget, including a fully paid international conference each year for Engineering and Data Science roles📱 Mobile phone contract and restaurant ticket options&nbsp;🏥 Private health insurance planPut all that together and GWI is the friendliest, most fulfilling place any of us has ever worked.

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senior ai engineer

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retail analytics sr. specialist (3770)

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engineering manager - integrations & ecosystems

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