June 4, 2026

Junior Python Engineer (Cybersecurity)

Junior • Hybrid

Warsaw, Poland

About Us
Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.

At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world.

Join Visa and do work that matters – to you, to your community, and to the world. Progress starts with you.

Job Description

Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose – to uplift everyone, everywhere by being the best way to pay and be paid.

Make an impact with a purpose-driven industry leader. Join us today and experience Life at Visa.


Job Description

Visa's Cyber Security team is seeking a skilled Associate Cyber Security Engineer to join our elite team who can combine solid IAM expertise with a passion for automation and AI to drive innovation in IAM processes leveraging traditional scripting, AI/ML, and GenAI technologies, ensuring security and operational efficiency! We are looking for a passionate, talented team player with a strong problem-solving mindset and coding/scripting skills, capable of thriving in a dynamic environment. The ideal candidate will be dedicated to meeting service level agreements within tight timeframes and comfortable engaging with both business and technical stakeholders to perform core application access governance responsibilities, leveraging AI and automation technologies to enhance security and operational efficiency.
 

Key Responsibilities:

1. Execution & Alignment   

  • Collaborate with the Warsaw IAM team and the global AAG program to ensure local deliverables align with the global IAM AAG roadmap and security requirements. 

  • Collaborate with IAM engineers and analysts to implement Zero-Trust principles, regulatory requirements, and AI/ML-driven enhancements. 

2. Application Access Governance – Delivery   

  • Onboard applications and components into IAM governance as aligned with their authentication and authorization models, ensuring compliance with the respective IAM controls and Technical Security Requirements. 

  • Use analytics tools (Excel, Power BI, Python) to assist in identifying access-risk patterns and recommending improvements. 

  • Enforce IAM controls, resolve exceptions, and support process improvements under the guidance of senior team members. 

3. AI & Automation   

  • Develop scripts and workflows to automate IAM tasks, reducing manual effort. 

  • Assist in building and maintaining AI/ML models for IAM control/process gap detection and process optimization. 

  • Work with the IAM technology team to test and deploy automation solutions. 

4. Engineering Support & Operational Excellence   

  • Ensure continuous enforcement of IAM controls along with continuous improvement of IAM access governance controls.

  • Automate compliance reporting, IAM control validation, and evidence collection. 

  • Provide technical support for IAM-related requests and incidents, ensuring timely resolution and clear communication with stakeholders. 

5. Stakeholder Collaboration   

  • Partner with Application Development and Business teams to integrate IAM processes and controls into newly on-boarded application and other initiatives.

  • Support change management activities to ensure smooth adoption of new IAM processes and tools. 

 6. Configuration Validation   

  • Perform manual validation of IAM security configurations for applications that cannot be auto-validated. 

7. Risk, Compliance & Audit Readiness

  • Maintain IAM-related risk and control documentation as directed by senior team members.

  • Assist with audit preparation including evidence collection, providing timely & accurate responses to audit inquiries and assist in identifying and remediating IAM-related findings. 


8. Learning & Knowledge Sharing   

  • Continue to develop technical and IAM domain knowledge through training, certifications, and hands-on practice. 

  • Share knowledge and collaborate with peers to enhance team capabilities. 


*This is a hybrid position. Expectation of days in office will be confirmed by your hiring manager.

Qualifications

Basic Qualifications:

  • Bachelor’s degree OR 3+ years of relevant work experience.
     

Preferred Qualifications:

  • Bachelor’s degree in information technology, Computer Science, or a related field.

  • 2+ years of professional experience with a bachelor’s degree, or an advanced degree (M.S., MBA, JD, MD).

  • 2 or more years of work experience.

  • Deep expertise in Identity & Access Management (IAM) frameworks, policies, and procedures.

  • Proven track record of leading IAM initiatives, driving AI-powered automation from design through deployment.

  • Strong grasp of application architecture, authentication, and authorization models.

  • Advanced data-analytics and scripting skills in Excel, Python, PowerShell, and C, leveraged to build AI-enabled workflow automation and actionable insights.

  • Hands-on experience applying AI and GenAI technologies to IAM solutions.

  • Excellent communication and stakeholder-management abilities.

  • Sharp analytical and problem-solving skills, with a focus on AI-driven use cases.

  • Demonstrated ability to juggle multiple projects and priorities.

  • Industry certifications (CISA, CISSP, CISM) preferred.

  • Solid knowledge of compliance standards and regulations such as GDPR, SOX, and HIPAA.

  • Practical experience with leading IAM platforms (SailPoint, Okta, CyberArk, Password Safe, Microsoft Azure AD), including AI integrations.

*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.

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.

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Essential Functions Support and maintain QA and test environments by troubleshooting integration issues, ensuring application uptime, performing root cause analysis, and maintaining stability that reflects production-like conditions. Assist in configuring and maintaining test environments, including data setup and test account provisioning. Develop and execute functional and regression test plans for Java/.NET core-based Business-to-Business (B2B) Identity and Access Management (IAM) systems. Participate in test planning and author test cases, test scripts, and automated tests, perform performance testing and analyze results. Create and maintain test cases and test plans in alignment with business requirements and product features. Conduct API testing utilizing tools such as Postman, SoapUI, and OpenAPI. Contribute to the automation framework, including Selenium (Java) and Postman/Newman, with guidance from senior team members. Develop and maintain CI/CD test pipelines using Jenkins. Design and execute performance and stress tests to identify and address potential bottlenecks, employing tools such as JMeter and LoadRunner. Engage in Scrum ceremonies, cross-functional demonstrations, and collaborate with developers, product owners, and stakeholders. Provide feedback on development code and test designs, supporting continuous improvement. Help conduct post-deployment testing to validate production release and ensure no regressions * This is a hybrid position. Expectation of days in office will be confirmed by your Hiring Manager. Qualifications Basic Qualifications •Associate: Minimum of 6 months of work experience or a Bachelor's Degree. Preferred Qualifications •Associate: 2 or more years of work experience. •Experience or familiarity with Generative AI, prompt engineering, and emerging coding practices. •Experience working with relational databases (RDBMS) and writing basic SQL queries. •Experience with REST API testing and automation. •Experience testing software at the API level using tools such as Postman, SoapUI, or JMeter. •Experience with performance testing tools such as JMeter, LoadRunner, or similar. •Experience in building and executing automated tests for Java/.NET Core applications and REST-based services. •Experience with OpenAPI, Selenium (Java), or comparable testing frameworks. •Familiarity with Zephyr or similar test management tools. •Experience using Eclipse or other IDE tools for development and debugging. •Experience with distributed version control systems such as GitHub or Bitbucket. •Familiarity with code quality governance tools such as Sonar, FindBugs, or Checkmarx. •Familiarity with Continuous Integration (CI) tools such as Jenkins and Artifactory. •Familiarity with containerization tools such as Docker and Kubernetes. •Familiarity with Agile methodologies and tools such as Jira and Wiki. •Ability to perform root cause analysis and collaborate with developers to resolve issues. •Basic understanding of secure software development practices (SSDLC). •Strong communication and collaboration skills to work with cross-functional teams. 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. Please note, we do not expect that any single candidate would fulfill all of these characteristics. For instance, we have awesome team members who are really focused on building scalable systems but didn’t work with payments technology or web applications before joining Visa. 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.

Technology

VISA

Software Test Engineer

Junior

Hybrid

Warsaw, Poland

🏢 Summary: The role focuses on testing and quality assurance of Business-to-Business Identity and Access Management (IAM) systems within a global cybersecurity team. It involves developing and executing automated, API, functional, regression, and performance tests for Java/.NET-based applications, while supporting CI/CD pipelines and production stability. The position combines hands-on QA engineering with test automation and environment maintenance in a hybrid setup. 🗂️ Requirements: Bachelor’s degree, Minimum 6 months of post-graduate experience, Experience with REST API testing, Experience with API testing tools, Experience with performance testing tools, Experience building automated tests for Java or .NET applications, Knowledge of relational databases and SQL, Experience with CI tools, Experience with version control systems, Understanding of secure software development practices 📃 Skills: Java, .NET, REST, SQL, Postman, SoapUI, OpenAPI, Selenium, JMeter, LoadRunner, Jenkins, GitHub, Bitbucket, Sonar, FindBugs, Checkmarx, Docker, Kubernetes, Zephyr, Eclipse, Jira, Artifactory 🏢 Description: About Us Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world. Join Visa and do work that matters – to you, to your community, and to the world. Progress starts with you. Job Description Information security is an integral part of Visa’s corporate culture.  It is essential to maintain our position as an industry leader in electronic payments, and it is the responsibility of each employee to safeguard information, protect it from unauthorized access, and ensure regulatory compliance.  Information security has a significant effect on privacy, consumer confidence, external reputation, and/or the bottom line, and it is a priority on everyone’s agenda The successful incumbent will be part of Visa’s Business to Business Identity & Access Management team, which is part of the larger Cybersecurity organization. The B2B IAM team has a Global focus, and is responsive to an evolving threat landscape, regulatory compliance, IT security requirements and technology architecture. The B2B IAM team is responsible for secure access to business portals and associated services. Essential Functions Support and maintain QA and test environments by troubleshooting integration issues, ensuring application uptime, performing root cause analysis, and maintaining stability that reflects production-like conditions. Assist in configuring and maintaining test environments, including data setup and test account provisioning. Develop and execute functional and regression test plans for Java/.NET core-based Business-to-Business (B2B) Identity and Access Management (IAM) systems. Participate in test planning and author test cases, test scripts, and automated tests, perform performance testing and analyze results. Create and maintain test cases and test plans in alignment with business requirements and product features. Conduct API testing utilizing tools such as Postman, SoapUI, and OpenAPI. Contribute to the automation framework, including Selenium (Java) and Postman/Newman, with guidance from senior team members. Develop and maintain CI/CD test pipelines using Jenkins. Design and execute performance and stress tests to identify and address potential bottlenecks, employing tools such as JMeter and LoadRunner. Engage in Scrum ceremonies, cross-functional demonstrations, and collaborate with developers, product owners, and stakeholders. Provide feedback on development code and test designs, supporting continuous improvement. Help conduct post-deployment testing to validate production release and ensure no regressions. *This is a hybrid position. Expectation of days in office will be confirmed by your Hiring Manager. Qualifications Basic Qualifications Associate: Bachelor's degree and 6 months post graduate experience Preferred Qualifications Associate: 2 or more years of work experience. Experience or familiarity with Generative AI, prompt engineering, and emerging coding practices. Experience working with relational databases (RDBMS) and writing basic SQL queries. Experience with REST API testing and automation. Experience testing software at the API level using tools such as Postman, SoapUI, or JMeter. Experience with performance testing tools such as JMeter, LoadRunner, or similar. Experience in building and executing automated tests for Java/.NET Core applications and REST-based services. Experience with OpenAPI, Selenium (Java), or comparable testing frameworks. Familiarity with Zephyr or similar test management tools. Experience using Eclipse or other IDE tools for development and debugging. Experience with distributed version control systems such as GitHub or Bitbucket. Familiarity with code quality governance tools such as Sonar, FindBugs, or Checkmarx. Familiarity with Continuous Integration (CI) tools such as Jenkins and Artifactory. Familiarity with containerization tools such as Docker and Kubernetes. Familiarity with Agile methodologies and tools such as Jira and Wiki. Ability to perform root cause analysis and collaborate with developers to resolve issues. Basic understanding of secure software development practices (SSDLC). Strong communication and collaboration skills to work with cross-functional teams. 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. Please note, we do not expect that any single candidate would fulfill all of these characteristics. For instance, we have awesome team members who are really focused on building scalable systems but didn’t work with payments technology or web applications before joining Visa. 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.

Technology

VISA

SW Engineer-2

Mid

Hybrid

Warsaw, MZ, Poland

🏢 Summary: Software Engineer role focused on designing, building, and testing scalable payment and web solutions within high-volume distributed systems. The position involves developing modern front-end and back-end components that power global transaction platforms and e-commerce products. You will work in agile teams to deliver secure, high-performance payment services used worldwide. 🗂️ Requirements: Bachelor’s degree in Computer Science, Computer Engineering, CIS/MIS, Cybersecurity, Business or related field OR 3+ years relevant experience, Proficiency in Java with Spring and Hibernate, Proficiency in Angular and JavaScript, Experience building and deploying web applications and modern services, Experience with automation and testing tools, Understanding of software testing principles, Knowledge of software engineering concepts and methodologies, Ability to perform root cause analysis and defect tracking, Experience working in Agile/Scrum environments 📃 Skills: Java, Spring, Hibernate, Angular, JavaScript, NodeJS, HTML, Selenium, REST, Python, Groovy, Kubernetes, Docker, React, DevOps, Agile, Scrum 🏢 Description: About Us Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world. Join Visa and do work that matters – to you, to your community, and to the world. Progress starts with you. Job 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 centred on new payment flows, business and data solutions, cyber security, and B2C platforms. The Opportunity: We are looking for Versatile, curious, and energetic Software Engineers who embrace solving complex challenges on a global scale.  As a Visa 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. Opportunities to make a difference on a global or local scale through mentorship and continued learning opportunities Demonstrates basic knowledge and asks questions about project requirements. Reviews and asks questions about solution strategies that improve the design and functionality of a payment product feature. Applies standard processes on the use of front-end programming languages (e.g. HTML, Angular, JavaScript) to write code that fulfils website modification requests and technical requirements, under close guidance. Works under close guidance from others to support the piloting of new technology capabilities and features that enhance the user website experience across e-commerce products. Identifies and advances bugs that threaten website functionality The Skills You Bring: Energy and Experience: A growth mindset that is curious and passionate about technologies and enjoys challenging projects on a global scale. Challenge the Status Quo: Comfort in pushing the boundaries, ‘hacking’ beyond traditional solutions. Language Expertise: Expertise in one or more general development languages (e.g., Java, Angular, NodeJS). Builder: Experience building and deploying modern services and web applications with quality and scalability. Learner: Constant drive to learn new technologies such as Angular, React, Kubernetes, Docker, etc. Partnership: Experience collaborating with Product, Test, Dev-ops, and Agile/Scrum teams *This is a hybrid position. Expectation of days in office will be confirmed by your hiring manager. Qualifications Basic Qualifications -Bachelors degree, OR 3+ years of relevant work experience. Preferred Qualifications -4+ years of relevant work experience Or 6 months or more work experience and a Bachelor's Degree. -Bachelor's degree in Computer Science, Computer Engineering, CIS/MIS, Cybersecurity, Business or a related field. -Proficiency in Java(Spring, Hibernate) and Angular and JavaScript programming languages. -Experience with Write utilities / automation tools using Selenium, Java, REST, Python, Groovy, and more. -Familiarity with software testing principles. -Solid understanding of software engineering concepts and methodologies. -Document process, designs, test results, and analysis. -Lead root cause analysis and track defect resolution to completion. -Review and provide feedback on development code, test designs and test cases. -Communicate status frequently to project stakeholders. -Strong communications skills, specifically, the absence of repeated grammatical or typographical errors, clear and concise written and spoken communications, and communications that demonstrate professional judgment. -The ability to take on challenges and address problems head-on. -Strong ability to collaborate. -Highly driven, resourceful and results oriented. -Good team player and excellent interpersonal skills. -Good analytical and problem-solving skills. -Demonstrated ability to lead and navigate through ambiguity. 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. Please note, we do not expect that any single candidate would fulfill all of these characteristics. For instance, we have awesome team members who are really focused on building scalable systems but didn’t work with payments technology or web applications before joining Visa. 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.

Technology

VISA

Software Engineer (Java)

Mid

Hybrid

Warsaw, Poland

🏢 Summary: The offer is for a Software Engineer role focused on designing, building, and scaling distributed payment systems that operate at global scale. The position involves developing robust backend and web solutions, contributing to architecture and APIs, and collaborating in agile teams to deliver secure, high‑performance payment platforms. Engineers will work on next‑generation payment services such as real-time payments and BNPL solutions. 🗂️ Requirements: University degree or 3+ years relevant experience, 2–4 years experience in software development, Strong Java programming skills, Experience building and deploying scalable web applications and services, Experience with API development and integration, Knowledge of backend development, Understanding of UI design principles, Experience working in Agile/Scrum teams 📃 Skills: Java, Angular, React, Kubernetes, Docker, APIs, UI, Scrum, DevOps 🏢 Description: About Us Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world. Join Visa and do work that matters – to you, to your community, and to the world. Progress starts with you. Job 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. The Opportunity: We are looking for multiple talented, curious, and energetic Software Engineers who embrace solving complex challenges on a global scale.  As a Visa Software Engineer, you will be an integral part of a cross-functional development team inventing, designing, building, and testing software products that reach a truly global customer base. While building components of cutting-edge payment technology, you will get to see your efforts shaping the digital future of monetary transactions. The Work itself: Design code and systems that touch 40% of the world population while influencing Visa’s internal standards for scalability, security, and reusability. Collaborate cross-functionally to create design artifacts and develop best-in-class software solutions for multiple Visa technical offerings. Actively contribute to product quality improvements, value added 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. Opportunities to make a difference on a global or local scale through mentorship and continued learning opportunities. Essential Functions: Supports relationship with product owners to gather and refine requirements for one product task, adding and taking into account existing tools and solutions within a product. Begins to develop and design architect solutions, considering integrations with other solutions. Provides relevant knowledge on the development of technical documentation of solutions and follows best practices in technical documentation. Plays a role in the development and delivery of new features within a product. The Skills You Bring : Energy and Experience : A growth mindset that is curious and passionate about technologies and enjoys challenging projects on a global scale. Challenge the Status Quo : Comfort in pushing the boundaries, ‘hacking’ beyond traditional solutions. Language Expertise : Expertise in development languages Java. Builder : Experience building and deploying modern services and web applications with quality and scalability. Learner : Constant drive to learn new technologies such as Angular, React, Kubernetes, Docker, etc. Partnership : Experience collaborating with Product, Test, Dev-ops, and Agile/Scrum teams. * This is a hybrid position. Employees in hybrid roles are expected to work from the office 3 set days a week (determined by leadership/site), with a general guidepost of being in the office based on business needs. Qualifications University degree or 3 years of experience on relevant position. Approximately 2-4 years of experience on similar position. Web Browser Optimization : The ability to select the ‘best available’ values of some objective function to improve the functional effectiveness of web browsers. User Interface Design : Knowledge of user interface design, which is the interaction where users and computers interact. This includes an understanding of how to provide an optimal industrial design experience through User Interface (UI) Design. Back-end Programming Languages : Knowledge of and ability to develop back-end (Java) code in support of package and product development. This includes the extension of capabilities of packages and products. API Generation : The ability to develop and utilize Application Program Interfaces (APIs), a set of routines, protocols, and tools for building software applications that specify how software components should interact and are used when programming graphical user interface (GUI) components. An API may be for a web-based system, operating system, database system, computer hardware, or software library. * 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. 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.

Technology

VISA

Software Engineer (Java)

Mid

Hybrid

Warsaw, Poland

🏢 Summary: The role involves designing, building, and deploying scalable software solutions for global payment systems handling massive transaction volumes. As a Software Engineer, you will develop and enhance distributed systems, APIs, and web applications within cross-functional agile teams. The position focuses on creating secure, high-performance payment platforms and next-generation transaction services. 🗂️ Requirements: University degree or 3+ years relevant experience, 2–4 years experience in software engineering, Proficiency in Java, Experience building and deploying web applications, Experience with distributed systems, Ability to develop and integrate APIs, Knowledge of backend development, Understanding of UI design principles, Experience working in Agile/Scrum teams 📃 Skills: Java, Angular, React, Kubernetes, Docker, API, REST, Microservices, SQL, Git, Agile, Scrum 🏢 Description: About Us Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world. Join Visa and do work that matters – to you, to your community, and to the world. Progress starts with you. Job 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. The Opportunity: We are looking for multiple talented, curious, and energetic Software Engineers who embrace solving complex challenges on a global scale.  As a Visa Software Engineer, you will be an integral part of a cross-functional development team inventing, designing, building, and testing software products that reach a truly global customer base. While building components of cutting-edge payment technology, you will get to see your efforts shaping the digital future of monetary transactions. The Work itself: Design code and systems that touch 40% of the world population while influencing Visa’s internal standards for scalability, security, and reusability. Collaborate cross-functionally to create design artifacts and develop best-in-class software solutions for multiple Visa technical offerings. Actively contribute to product quality improvements, value added 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. Opportunities to make a difference on a global or local scale through mentorship and continued learning opportunities. Essential Functions: Supports relationship with product owners to gather and refine requirements for one product task, adding and taking into account existing tools and solutions within a product. Begins to develop and design architect solutions, considering integrations with other solutions. Provides relevant knowledge on the development of technical documentation of solutions and follows best practices in technical documentation. Plays a role in the development and delivery of new features within a product. The Skills You Bring : Energy and Experience : A growth mindset that is curious and passionate about technologies and enjoys challenging projects on a global scale. Challenge the Status Quo : Comfort in pushing the boundaries, ‘hacking’ beyond traditional solutions. Language Expertise : Expertise in development languages Java. Builder : Experience building and deploying modern services and web applications with quality and scalability. Learner : Constant drive to learn new technologies such as Angular, React, Kubernetes, Docker, etc. Partnership : Experience collaborating with Product, Test, Dev-ops, and Agile/Scrum teams. * This is a hybrid position. Employees in hybrid roles are expected to work from the office 3 set days a week (determined by leadership/site), with a general guidepost of being in the office based on business needs. Qualifications University degree or 3 years of experience on relevant position. Approximately 2-4 years of experience on similar position. Web Browser Optimization : The ability to select the ‘best available’ values of some objective function to improve the functional effectiveness of web browsers. User Interface Design : Knowledge of user interface design, which is the interaction where users and computers interact. This includes an understanding of how to provide an optimal industrial design experience through User Interface (UI) Design. Back-end Programming Languages : Knowledge of and ability to develop back-end (Java) code in support of package and product development. This includes the extension of capabilities of packages and products. API Generation : The ability to develop and utilize Application Program Interfaces (APIs), a set of routines, protocols, and tools for building software applications that specify how software components should interact and are used when programming graphical user interface (GUI) components. An API may be for a web-based system, operating system, database system, computer hardware, or software library. * 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. 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.

Technology

VISA

Software Engineer - Sr. Consultant level

Senior

Hybrid

Warsaw, Poland

🏢 Summary: Senior Software Engineer role focused on designing and delivering large-scale, distributed payment systems that power global transaction platforms. The position involves end-to-end development of scalable, secure, cloud-native services within Agile teams, contributing to next-generation payment and real-time transaction solutions. The engineer will drive architecture, system design, and high-performance solutions in complex enterprise environments. 🗂️ Requirements: Bachelor’s degree in Computer Science, Engineering, or related technical field or equivalent experience, 10+ years of professional software engineering experience, Expertise in Java, C#, or C++, Experience building large-scale, production-grade systems, Experience designing distributed, scalable, secure platforms, Experience with Agile/Scrum methodologies, Experience with cloud-native architectures, Experience with containerization and orchestration, Strong system design skills, Experience with CI/CD and DevOps practices 📃 Skills: Java, C#, C++, Docker, Kubernetes, CI/CD, DevOps, Microservices, APIs, GenAI, Angular, React, Cloud, Scrum 🏢 Description: About Us Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid. At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world. Join Visa and do work that matters – to you, to your community, and to the world. Progress starts with you. Job 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. The Opportunity: We are looking for Versatile, curious, and energetic Software Engineers who embrace solving complex challenges on a global scale. As a Visa 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. The Work itself: 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 Opportunities to make a difference on a global or local scale through mentorship and continued learning opportunities Essential Functions: Works directly with product owners to gather and refine requirements across products, adding and taking into account existing tools and solutions across the organization. Develops and designs advanced architect solutions that are robust and scalable, considering integrations with other solutions across the internal technical ecosystem. Provides domain expertise on the development of technical documentation of solutions and contributes to standard processes in technical documentation as needed. Plays a key role in the development and delivery of new features across products from end-to-end. This is a hybrid position. Expectation of days in office will be confirmed by your hiring manager. Qualifications Basic Qualifications: Bachelor’s degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience 10+ years of professional software engineering experience delivering large‑scale, production‑grade systems Deep expertise in one or more general‑purpose programming languages such as Java, C#, or C++ Proven experience designing and operating highly distributed, scalable, secure, and resilient platforms in complex enterprise environments Strong experience working in Agile/Scrum delivery models with end‑to‑end ownership of features and services Preferred Qualifications: Demonstrated GenAI proficiency with an AI‑first mindset, applying AI‑assisted tools and techniques across design, development, testing, and operational workflows Ability to independently drive technical design end‑to‑end, engaging proactively with Product Managers and Architects and delivering solutions with zero follow‑ups Strong system‑design skills, including API design, service orchestration, data modeling, and performance optimization Experience with cloud‑native architectures, containerization, and orchestration technologies (e.g., Docker, Kubernetes) Familiarity with modern platform technologies Experience collaborating across Product, Architecture, Security, DevOps, and QA teams in large‑scale enterprise environments Strong written and verbal communication skills, with the ability to clearly articulate technical decisions and trade‑offs Experience mentoring engineers, contributing to design reviews, and raising overall engineering standards AI‑first mindset with hands‑on proficiency in applying GenAI tools across the software development lifecycle Experience designing and deploying modern, scalable, cloud‑native services Strong sense of ownership with the ability to operate autonomously, make decisions, and drive alignment across stakeholders Comfortable challenging assumptions and pushing beyond traditional solutions Exposure to to platform technologies such as microservices, DevOps Practices, CI/CD, Containerization, webservices, scalable solutions The Skills You Bring: Energy and Experience: A growth mindset that is curious and passionate about technologies and enjoys challenging projects on a global scale Challenge the Status Quo: Comfort in pushing the boundaries, ‘hacking’ beyond traditional solutions Language Expertise: Expertise in one or more general development languages (e.g., Java, C#, C++) Builder: Experience building and deploying modern services and web applications with quality and scalability Learner: Constant drive to learn new technologies such as Angular, React, Kubernetes, Docker, etc. Partnership: Experience collaborating with Product, Test, Dev-ops, and Agile/Scrum teams AI First Approach: Champion AI‑assisted development and automation to improve developer productivity, develop customer facing features and solution quality 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.