SW Engineer

VISA; Warszawa; Hybrid; PLN 131,000 - 214,000; Full time

Job summary

Visa hires Software Engineers to design, build, test, and maintain backend services and microservices powering our payments platform. You will write, review, and debug code across backend and data layers, integrate systems via APIs, and help shape scalable data pipelines in cloud environments.

All roles require digital fluency and collaboration with cross-functional teams. You will contribute to secure coding practices, CI/CD pipelines, observability, and production support while advancing

Qualifications

• Bachelor's degree or 3+ years of relevant work experience.
• Experience in developing and/or implementing backend applications and microservices.
• Experience in designing and implementing RESTful APIs and service-to-service integrations.
• Experience in debugging distributed applications and performing root cause analysis on software issues.
• Experience in maintaining CI/CD pipelines and deploying backend services.
• Experience in applying secure coding practices and complying with regulatory standards.

Responsibilities

• Write, modify, and review high-quality, testable code across back-end, and data layers.
• Integrate systems via APIs, messaging queues, and databases.
• Develop and maintain data pipelines and large-scale data processing jobs using appropriate frameworks and cloud services.
• Develop unit, integration, and end-to-end tests with a strong focus on automation.
• Maintain CI pipelines to run tests automatically upon code commits.
• Debug and perform root cause analysis on issues, and enforce code quality gates through reviews and static analysis.
• Build and maintain CI/CD pipelines; deploy applications to various environments using containerization and orchestration tools.
• Monitor applications in production using observability tools; investigate incidents, analyze logs, identify root causes, and implement fixes.
• Optimize code for performance, cost efficiency, and maintainability.
• Apply secure coding practices, manage secrets properly, validate inputs, and ensure authentication/authorization is robust.
• Comply with regulatory standards and maintain documentation for audits.

Skills

Backend development

Java

Microservices

RESTful APIs

CI/CD

Cloud-native

Observability

AI-assisted coding

Education

Bachelor's degree or 3+ years experience

Tools

Docker

Kubernetes

Cloud platforms

Job 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.

Pay Transparency

The estimated salary range for a new hire into this position is zł130,500 - zł214,425 which may include potential sales incentive payments (if applicable). Salary may vary depending on job-related factors which may include knowledge, skills, experience, and location. In addition, this position may be eligible for bonus and equity. Visa has a comprehensive benefits package for which this position may be eligible that includes Medical, Dental, Vision, Pension, Life Insurance, Annual Leave, and Wellness Program.

Job Description

Software Engineers conduct, plan, or oversee one or more aspects of the analysis, design, programming, debugging, and modification of computer programs for commercial or end user applications. They write code, complete programming, and perform testing and debugging of applications. Responsibilities also include completing documentation and procedures for installation and maintenance. Software Engineers may interface with users to define system requirements and/or necessary modifications or develop cost estimates, budgets, and schedules.

All roles require digital fluency, including the ability to work with emerging technologies such as Generative AI tools (e.g. claude-code, opencode) to support everyday work.

Key Responsibilities

• Write, modify, and review high-quality, testable, and efficient code across back-end, and data layers.
• Integrate systems via APIs, messaging queues, and databases.
• Develop and maintain data pipelines and large-scale data processing jobs using appropriate frameworks and cloud services.
• Develop unit, integration, and end-to-end tests with a strong focus on automation.
• Maintain CI pipelines to run tests automatically upon code commits.
• Debug and perform root cause analysis on issues, using AI-driven tools where applicable, and enforce code quality gates through reviews and static analysis.
• Build and maintain CI/CD pipelines; package and deploy applications to various environments using containerization and orchestration tools.
• Monitor applications in production using observability tools; investigate incidents, analyze logs, identify root causes, and implement fixes.
• Optimize code for performance, cost efficiency, and maintainability.
• Apply secure coding practices, manage secrets properly, validate inputs, and ensure authentication/authorization is robust.
• Comply with regulatory standards and maintain documentation for audits.

Visa requires at least 3 days in office, expectations of these days will be confirmed by your Hiring Manager.

Qualifications

Basic Qualifications

• Bachelor's degree, OR 3+ years of relevant work experience.
• Experience in developing and/or implementing backend applications and microservices.
• Experience in writing, modifying, and reviewing code for commercial or end-user applications.
• Experience in designing and implementing RESTful APIs and service-to-service integrations.
• Experience in debugging distributed applications and performing root cause analysis on software issues.
• Experience in developing unit, integration, and end-to-end tests.
• Experience in integrating systems using APIs, messaging systems, and databases.
• Experience in maintaining CI/CD pipelines and deploying backend services.
• Experience in applying secure coding practices and complying with regulatory standards.

Preferred Qualifications

• 2 or more years of work experience in backend or microservices development (Java)
• Experience in designing, developing, and maintaining scalable and resilient microservices.
• Experience with distributed systems, asynchronous processing, and event-driven architectures.
• Experience with relational (NoSQL databases nice to have), including data modeling and performance optimization.
• Experience with containerized applications and cloud-native technologies.
• Experience in using AI-powered coding tools to enhance developer productivity.
• Experience in optimizing backend services for performance, scalability, reliability, and maintainability.
• Experience in observability and production support, including logging, monitoring, metrics, and troubleshooting.
• Experience in collaborating with cross-functional teams to translate business requirements into technical solutions.

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.

Visa welcome and encourages application from persons with disabilities. Accommodations are available on request for candidates taking part in all aspects of the selection process.