Project Manager/Junior Account Manager

⭐️ CoreStar is a dynamic technology company supporting partners in heavy-load industries with high-performance solutions. Our expert teams bring a startup-driven mindset, focusing on innovation, collaboration, and efficiency in every project. At CoreStar, you’ll have the opportunity to grow your skills, tackle exciting challenges, and directly contribute to impactful products. 📌 Key Responsibilities: Own B2B client relationships — act as the main point of contact, manage day-to-day communication, expectations, and escalations. Drive client delivery end-to-end — translate client needs into internal actions and coordinate execution across internal teams from request to delivery. Coordinate internal cross-functional initiatives — manage scope, ownership, timelines, dependencies, and risks to ensure initiatives are delivered. Own account financial operations — coordinate invoicing and track account revenue, costs, and P&L performance. Support account growth — understand client needs, identify opportunities for improvement or expansion, and bring relevant opportunities to internal stakeholders. 📌 Required skills: Strong client and stakeholder management skills, including expectation management and handling escalations. Excellent written and verbal communication , with the ability to communicate clearly with both clients and internal teams. Strong ownership and accountability — able to drive topics to completion across teams without direct authority. Solid project management fundamentals — planning, prioritization, timelines, dependencies, risks, and delivery tracking. Good commercial and financial understanding , including invoicing, revenue/cost tracking, and basic account P&L. Ability to understand client needs and translate them into clear requirements and actions for internal teams. Strong problem-solving and decision-making skills , comfortable operating in a fast-moving environment with changing priorities. 📌 Benefits: 🏝 24 working days of paid annual leave 🤝 6 days of paid sick leave 🖊 Official employment 📄 Medical insurance ☕️ Coffee zone with fruit & snacks available in the office 🥗 Corporate Lunch provided by the company 💪 Gym and sports classes 🙌 Healthy and friendly work atmosphere 📚 Greek and English language classes (partially covered) Join us and be one of the Core Stars! ⭐