Upstream

Backend Engineer

• Develop on high-volume, low-latency applications for mission-critical systems, delivering high-availability and performance.
• Write well-designed, testable, efficient software modules.
• Ensure designs comply with specifications and that specifications cover all needed aspects of the implementation.
• Create/review design documentation and provide feedback on test plans.

Software Engineer, Java

Account Manager

• **The role**
• We are looking for a Junior Account Manager to support the day-to-day management and growth of client accounts. This role is ideal for an ambitious early-career professional who wants to build experience in client relationship management, commercial operations, and digital services within an international business environment. Based in Athens, you will work closely with senior team members and cross-functional teams to help deliver successful projects and strong client outcomes.
• **Main Responsibilities**
• - **Supporting client relationships:** Act as a key point of contact for day-to-day communication with clients, under the guidance of senior team members; assist in managing client expectations and contribute to maintaining strong client satisfaction
• - **Assisting with account performance and commercial activities:** Support the execution of account plans and contribute to achieving account targets; assist in contract administration, performance tracking, and monthly reporting; help with reconciliations, invoicing, and payment follow-ups
• - **Coordinating operational tasks:** Assist in coordinating local operational resources to ensure smooth delivery (e.g., prizes, logistics, regulatory requirements, supplier coordination, and recruitment channels); support the team in meeting client deliverables
• - **Collaborating with internal teams:** Work closely with cross-functional teams (e.g., product, tech, marketing) to help ensure projects are delivered on time and according to plan
• - **Monitoring service performance:** Support tracking of key performance indicators such as traffic, messaging performance, and customer feedback; escalate issues when needed and contribute to reporting
• - **Identifying growth opportunities:** Assist in identifying upselling opportunities across services, products, and marketing inventory; support the team in preparing proposals and presentations
• - **Researching market and partners:** Help identify potential local partners and product opportunities; conduct research on market trends and competitors
• - **Tracking competitive landscape:** Monitor the local competition and report insights, potential risks, and opportunities to the wider team