Staff Software Engineer (Java)

Visa; Województwo mazowieckie; Hybrid; PLN 120,000 - 150,000; Full time

Job summary

A leading financial technology company in Poland is seeking a versatile Staff Software Engineer to join their team. You will be responsible for designing scalable systems that impact a significant portion of the global population. The ideal candidate should have over 6 years of experience, proficiency in Java and Spring, and a strong understanding of microservices architecture. This hybrid role offers opportunities to work on cutting-edge payment technologies.

Qualifications

• 6+ years of relevant work experience with a University degree.
• Proficient in Java, Spring, Hibernate, experience in Angular, JavaScript and Python is a plus.
• Strong proficiency with Linux operating systems.

Responsibilities

• Assume full end-to-end technical and engineering responsibility for one or more applications.
• Lead the translation of complex functional and technical requirements into detailed architecture and design specifications.
• Advocate for engineering best practices throughout the development lifecycle.

Skills

Java

Spring

Hibernate

Angular

JavaScript

Python

Linux

Microservices architecture

Agile methodologies

MySQL

SQL

Git/GitHub

Education

University degree

Tools

GitHub Actions

Maven

Jenkins

Jira

Job description

Company Description

Visa’s Technology Organization is a community of problem solvers and innovators reshaping the future of commerce. We operate the world’s most sophisticated processing networks capable of handling more than 65k secure transactions a second across 80M merchants, 15k Financial Institutions, and billions of everyday people. While working with us you’ll get to work on complex distributed systems and solve massive scale problems centered on new payment flows, business and data solutions, cyber security, and B2C platforms.

Job Description

We are looking for a versatile, curious, and energetic Staff Software Engineer who embraces solving complex challenges on a global scale. As a Visa Staff Software Engineer, you will be an integral part of a multi-functional development team inventing, designing, building, and testing software products that reach a truly global customer base. While building components of powerful payment technology, you will get to see your efforts shaping the digital future of monetary transactions.

Essential Functions

• Design code and systems that touch 40% of the world population while influencing Visa’s internal standards for scalability, security, and reusability
• Collaborate multi-functionally to create design artifacts and develop best-in‑class software solutions for multiple Visa technical offerings
• Actively contribute to product quality improvements, valuable service technology, and new business flows in diverse agile squads
• Develop robust and scalable products intended for a myriad of customers including end‑user merchants, b2b, and business to government solutions.
• Leverage innovative technologies to build the next generation of Payment Services, Transaction Platforms, Real‑Time Payments, and Buy Now Pay Later Technology

Responsibilities

• Assume full end‑to‑end technical and engineering responsibility for one or more applications.
• Exhibit comprehensive domain expertise and provide guidance to colleagues during design and development phases as needed.
• Lead the translation of complex functional and technical requirements into detailed architecture and design specifications.
• Collaborate with Architecture and Business teams to deliver best‑in‑class solutions.
• Actively participate in and guide daily development activities, including architectural decision‑making, design sessions, design and code reviews, and implementation oversight.
• Advocate for engineering best practices throughout the development lifecycle and promote a culture of continuous improvement.
• Define solutions in terms of components, modules, and algorithms.
• Refactor existing solutions when necessary to enhance reusability and scalability, and produce clear design documentation.
• Identify opportunities to further enhance and refine standards, processes, and systems.
• Provide rotational on‑call support as required.

This is a hybrid position. Expectation of days in office will be confirmed by your Hiring Manager.

This role qualifies for Autorskie Koszty Uzyskania Przychodu (KUP), in accordance with applicable Polish tax regulations. Eligible employees may benefit from preferential tax treatment on income derived from the creation of intellectual property, subject to meeting statutory criteria.

Qualifications

• 6+ years of relevant work experience with a University degree.
• Proficient in Java, Spring, Hibernate. Experience in Angular, JavaScript and Python is a plus.
• Thorough understanding of various communication protocols and standards, such as HTTPS, SFTP, REST API, SOAP.
• Strong proficiency with Linux operating systems.
• In‑depth knowledge of microservices architecture and containerization concepts.
• Required familiarity with Agile software development methodologies.
• Hands‑on experience with tools including Git/GitHub, GitHub Actions, Maven, Jenkins, and Jira.
• Comprehensive understanding of database technologies, particularly MySQL and SQL.
• Knowledge and practical experience with messaging technologies such as MQ and Kafka are considered assets.
• Exceptional analytical skills with the ability to effectively resolve critical issues.
• Superior written and verbal communication abilities.
• Experience in reviewing and providing feedback on development code and unit tests.
• Capability to author technical design documents and documentation across all aspects of technical infrastructure.
• Proven track record of leadership and navigating ambiguity.
• Demonstrated ability to collaborate effectively with Product, Test, DevOps, and Agile/Scrum teams.

Additional Information

Visa is an EEO Employer. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status. Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.