Payment Optimization Specialist – Middle

FinteqHub; Warszawa; Remote; PLN 110,000 - 160,000; Full time

Benefits offered by this job

Remote work

Private insurance

Mental Health Programme

Free English lessons

Training & conferences

Generous referral program

Flexible hours

Extra day off

Job summary

FinteqHub is expanding its team and seeks a Payment Optimization Specialist – Middle to improve transaction success and routing efficiency. You will transform data into actionable strategies, resolve issues, and collaborate with cross-functional teams to enhance client payment performance.

The role emphasizes SQL proficiency, API knowledge, and data visualization, with strong English communication for stakeholder reporting and presentations. Remote work options are available.

Qualifications

• Upper-intermediate English (B2+) for clear reporting and presentations.
• Strong SQL skills with query optimization and database performance tuning.
• Experience with HTTP, APIs, REST, SOAP, JSON and web technologies.
• Experience with Tableau or Power BI for data visualization.
• Knowledge of statistical analysis techniques and predictive modelling.
• Analytical mindset with cross-team collaboration and ownership.

Responsibilities

• Monitor payment performance metrics and KPIs to identify patterns and optimisation opportunities.
• Analyse transaction data and payment trends; prepare reports and recommend improvements.
• Investigate payment and integration issues using API requests, logs, Postman, and browser tools.
• Support payment configuration and routing optimisation based on performance data.
• Conduct ad hoc analysis to support business initiatives and client requests.
• Present findings and actionable recommendations to technical and business stakeholders.

Skills

SQL

APIs

Data Visualization

Statistical Analysis

Analytical Thinking

English Communication

Tools

Postman

DevTools

Job description

Overview:

FinteqHub continues to expand the team and is looking for Payment Optimization Specialist – Middle. We need a true, experienced and accomplished professional who shares our culture and values.

About Product:

Fintehub

А PCI DSS certified payment gateway for online businesses, providing integration with payment systems via a single software platform.
Learn more

Purpose of the role:

You’ll improve payment performance and transaction success rates by turning data into actionable optimisation strategies. Your work will help Fintehub identify and resolve payment issues, optimise transaction routing, and deliver more reliable and efficient payment processing for clients.

Key responsibilities:

• Monitor payment performance metrics and KPIs to identify unusual patterns, emerging issues, and optimisation opportunities

• Analyse transaction data and payment trends, prepare reports, and recommend improvements to payment performance and revenue

• Investigate payment and integration issues using API requests, logs, Postman, browser developer tools, and monitoring systems

• Support payment configuration and transaction routing optimisation based on performance data and business needs

• Conduct ad hoc analysis to support business initiatives, product development, and client requests

• Present analytical findings and actionable recommendations to technical and business stakeholders

Required Experience:

• Upper-intermediate English (B2) or higher, with the ability to communicate insights clearly through presentations and written reports

• Strong SQL skills, including query optimisation and database performance tuning

• Understanding of HTTP, APIs, REST, SOAP, JSON, and web technologies, with hands‑on experience using Postman or similar tools and browser developer tools

• Experience with data visualisation tools such as Tableau or Power BI, preferably Tableau.

• Knowledge of statistical analysis techniques and predictive modelling

• Strong analytical and problem-solving skills, a sense of ownership, and the ability to collaborate across teams

Nice to have:

• Experience working with payment systems, gateways, acquirers, or payment service providers

• Understanding of payment flows, card schemes, merchant requirements, and transaction routing

• Background in technical support, integration support, or technical account management

• Programming or scripting experience, including working with APIs

• Familiarity with AI tools and their applications in data analysis and payment optimisation

• Russian language proficiency

Our Benefits:

• Full‑time remote work opportunities and flexible working hours

• Private insurance

• Additional 1 Day Off per calendar year

• Sports program compensation

• Comprehensive Mental Health Programme

• Free online English lessons with a native speaker

• Generous referral program

• Training, internal workshops, and participation in international professional conferences and corporate events