Customer Success Specialist

Portside; Polska; Hybrid; PLN 109,000 - 146,000; Full time

Job summary

A leading software solutions provider is seeking a detail-oriented individual for data entry processes. The role involves supporting customers through data verification and transforming large spreadsheets. Candidates should have 2+ years of experience in finance or accounting, proficiency in Excel, and a positive mindset. Competitive compensation and initial training provided. Working hours are 8 am to 5 pm EST.

Benefits

Competitive compensation

Initial training within the customer success team

Friendly and professional team environment

Qualifications

• 2+ years of experience as a financial analyst, auditor or accounting specialist.
• Intermediate English level or higher.
• Capability to work with a large volume of numbers.
• Self-motivated and positive-minded.

Responsibilities

• Provide customer support services including data entry and verification.
• Transform large Excel spreadsheets into appropriate formats.
• Administer existing accounts and configure the port.
• Contact customers for data correction and verification.
• Report bugs to the product management team.

Skills

Data entry

Data verification

Excel proficiency

Detail-oriented

Punctual

Education

Degree in Science

Tools

Google Sheets

Job description

About Portside, Inc.

Portside is a leading provider of modern software solutions for the global aviation industry. As a fast‑growing SaaS company, we operate across three key verticals: business aviation, regional commercial aviation, and aircraft leasing & finance. With nearly 300 team members spread across five continents, we support over 1,000 enterprise customers, helping them streamline and manage all aspects of their day‑to‑day operations.

What You’ll Do

We are looking for a smart, punctual & detail‑oriented person who is willing to take on data entry processes and has an interest in software applications used by business jet operators in the US, Europe, the Middle East, Asia, and Latin America. You will work closely with customers, sales and product managers to:

• Provide support services for customers: data entry & data verification; set up, monitor, and fix data loading scripts; create mappings and configurations for data imports.
• Transform large Excel spreadsheets into an appropriate format.
• Perform administration of existing accounts and configure the port.
• Contact customers for correcting mistakes, verifying data, sending missing information, and delivering results of data imports.
• Cooperate with product management team and report bugs.

You will be working 8 am to 5 pm Eastern Standard Time.

Requirements

• 2+ years of experience as a financial analyst, auditor or accounting specialist.
• Intermediate English level or higher.
• Strong proficiency in Excel and/or Google Sheets.
• Degree in Science.
• Neat, capable of working with a large volume of numbers.
• Punctual and self‑motivated.
• Positive‑minded.

What We Offer

• Young, well‑established product with a product‑market fit, fast‑growing customer base, a modern and well‑maintained code base, and no red tape or bureaucracy; we value everyone’s ideas and contributions.
• Initial training within the existing customer success team.
• Competitive compensation.
• Small, friendly, experienced and highly professional team with a track record of building successful software businesses.