AI SaaS Growth & Expansion Account Manager

fonio; Warszawa; On-site; PLN 240,000 - 305,000; Full time

Benefits offered by this job

On-site in Warsaw

Top equipment of your choice

Fast decision-making paths

Collaboration with Product, Marketing,

Customer Success team alignment

Job summary

fonio is seeking a hands-on Account Manager to own an existing customer portfolio in a fast-scaling AI startup. You will drive upsell and retention, manage renewals, and expand use cases across customers while collaborating with Product, Marketing, and CS to ensure success.

You’ll maintain a robust CRM-driven pipeline, deliver structured account plans, and provide reliable forecasts. Polish native required; on-site in Warsaw with top equipment and fast decision-making.

Qualifications

• At least 1 year of experience in B2B SaaS sales, account management, or customer success.
• Experience in upselling, renewals, or expansion revenue across existing customers.
• Strong product and technology understanding; you're highly AI-savvy.
• Structured working style, ownership mindset, and customer focus.
• Native-level Polish, confident in calls, reviews & demos.

Responsibilities

• Own your existing-customer portfolio with a clear focus on upsell & retention.
• Identify and realize growth potential within existing accounts.
• Regular touchpoints, QBRs, and proactive support to maximize customer success.
• Structured account planning, clean CRM maintenance, and reliable revenue forecasting.

Skills

B2B SaaS sales

Account management

Customer success

Upselling & renewals

AI-savvy

Polish language proficiency

Tools

CRM system

Job description

fonio is seeking a hands-on Account Manager to own an existing customer portfolio in a fast-scaling AI startup. You will drive upsell and retention, manage renewals, and expand use cases across customers while collaborating with Product, Marketing, and CS to ensure success.

You’ll maintain a robust CRM-driven pipeline, deliver structured account plans, and provide reliable forecasts. Polish native required; on-site in Warsaw with top equipment and fast decision-making.