1 day ago
Warsaw, PolandMid Level
Responsibilities
- Write, modify, and review high-quality backend and data-layer code.
- Integrate systems using APIs, messaging queues, and databases.
- Develop and maintain data pipelines and large-scale data processing jobs.
- Create unit, integration, and end-to-end tests with an emphasis on automation.
- Maintain CI and CI/CD pipelines and deploy applications across environments using containerization and orchestration tools.
- Debug distributed applications, perform root-cause analysis, and enforce code-quality gates through reviews and static analysis.
- Monitor production applications, investigate incidents, analyze logs, and implement fixes.
- Optimize backend services for performance, cost efficiency, scalability, reliability, and maintainability.
- Apply secure coding practices, manage secrets, validate inputs, and maintain robust authentication and authorization.
- Comply with regulatory standards and maintain audit documentation.
Requirements
- Bachelor’s degree or 3+ years of relevant work experience.
- Experience developing or implementing backend applications and microservices.
- Experience writing, modifying, and reviewing code for commercial or end-user applications.
- Experience designing and implementing RESTful APIs and service-to-service integrations.
- Experience debugging distributed applications and performing root-cause analysis.
- Experience developing unit, integration, and end-to-end tests.
- Experience integrating systems with APIs, messaging systems, and databases.
- Experience maintaining CI/CD pipelines and deploying backend services.
- Experience applying secure coding practices and complying with regulatory standards.
- Preferred: 2 or more years of backend or microservices development experience in Java.
- Preferred: experience with scalable and resilient microservices, distributed systems, asynchronous processing, event-driven architectures, relational databases, containerized applications, cloud-native technologies, observability, production support, and AI-powered coding tools.
Benefits
- Estimated salary range of zł130,500–zł214,425, which may include potential sales incentive payments if applicable; bonus and equity may also be available.
- Benefits may include medical, dental, vision, pension, life insurance, annual leave, and a wellness program.
- Hybrid work arrangement requiring at least 3 days in the office, with specific days confirmed by the Hiring Manager.
About Visa
Visa builds and operates a global digital payments network that connects consumers, merchants, financial institutions, and governments. It earns fees for processing card transactions and offering risk, data, and value‑added services through VisaNet and products like tokenization and tap‑to‑pay. Founded in 1958 and headquartered in Foster City, California, Visa is a public company (NYSE: V) serving clients in more than 200 countries and territories.
