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Staff SW Engineer (.NET/Java) - job 3 of 3

Company 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 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 a talented, 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 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:

  • Building and deploying modern services and web applications with attention to quality, reliability, maintainability, security and scalability
  • Work as a member of a cross-functional agile team, with focus on payment security
  • Develop and utilize APIs with knowledge of authorization and authentication techniques therein.
  • Be involved throughout the entire development life cycle, from requirements definition to product delivery
  • Design, develop and execute maintainable automated and manual test cases covering service integrations.

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

Qualifications

Basic Qualifications:

  • 5+ years of relevant work experience with a Bachelor’s Degree or at least 2 years of work experience with an Advanced degree (e.g. Masters, MBA, JD, MD) or 0 years of work experience with a PhD, OR 8+ years of relevant work experience.


Preferred Qualifications

  • Bachelor's degree and 5+ years of relevant work experience
  • Knowledge and ability to develop .NET/ C# and Microsoft IIS with knowledge of multi-threading
  • Familiarity with SQL Server 2019 and later versions thereof
  • Knowledge of SOAP-based web services
  • The ability to develop RESTful and utilize APIs, a set of routines, protocols, and tools for building software applications that specify how software components should interact
  • Familiarity with Java programming and readiness to further develop Java skills
  • Proficiency in writing maintainable code using TDD/BDD paradigms. Understanding of clean code principles – SOLID, KISS, DRY, Clean Architecture.
  • Familiarity with Container Orchestration (Docker, Kubernetes)
  • Familiarity with the Secure Software Development Lifecycle (SSDLC) and CI/CD
  • In plus, experience supporting financial transaction encryption and decryption
  • In plus, experience working with Hardware Security Modules (HSMs)

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.

Average salary estimate

$85000 / YEARLY (est.)
min
max
$70000K
$100000K

If an employer mentions a salary or salary range on their job, we display it as an "Employer Estimate". If a job has no salary data, Rise displays an estimate if available.

What You Should Know About Staff SW Engineer (.NET/Java), Visa

At Visa, we’re on the lookout for a passionate and talented Staff Software Engineer specializing in .NET/Java to join our dynamic team in Warsaw, Poland. Here at Visa, we are revolutionizing the payments landscape, and as a Staff Software Engineer, you will play a crucial role in building and enhancing systems that serve a massive global clientele. Imagine developing components that affect 40% of the world’s population while ensuring scalability, security, and reusability. You’ll be immersed in an innovative environment where collaboration with cross-functional teams is key, and your ideas will directly contribute to groundbreaking payment solutions. Your day-to-day will involve designing, coding, and deploying modern services, while you also dive into the intricacies of payment security and API development. Also, as part of our Agile squad, you will help define best practices for product quality improvements and help tackle complex challenges that come with a high-volume transaction system. We also put a lot of emphasis on continued learning and mentorship, ensuring you can develop not just professionally but personally in a thriving environment. If you're keen to make a real impact within a purpose-driven industry, we invite you to join us on this exciting journey at Visa.

Frequently Asked Questions (FAQs) for Staff SW Engineer (.NET/Java) Role at Visa
What are the responsibilities of a Staff Software Engineer at Visa?

As a Staff Software Engineer at Visa, your primary responsibilities will include designing, coding, and deploying robust and scalable software solutions that meet global payment processing needs. You will work closely with cross-functional teams to develop best-in-class products and contribute to innovative technologies that enhance the payments landscape. In addition, you will be actively involved in every stage of the development life cycle, ensuring that the products you create not only address the requirements but also adhere to high standards of quality, security, and reliability.

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What qualifications are required for the Staff Software Engineer position at Visa?

To qualify for the Staff Software Engineer role at Visa, candidates should have a Bachelor’s degree along with 5+ years of relevant work experience, or equivalent experience for those with advanced degrees. Proficiency in .NET/C#, familiarity with SQL Server, and a solid understanding of RESTful API development are essential. Candidates should also demonstrate skills in Java, have experience with modern software development methodologies like TDD/BDD, and possess familiarity with container orchestration technologies such as Docker and Kubernetes.

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How can I prepare for an interview for the Staff Software Engineer role at Visa?

Preparing for an interview for the Staff Software Engineer role at Visa involves understanding both technical and cultural aspects of the company. You should be ready to showcase your experience in software development, especially in .NET and Java, and discuss how you've implemented reliable security practices in your projects. Additionally, it would be beneficial to familiarize yourself with Visa's mission and values, emphasizing your ability to work collaboratively in agile teams and your passion for solving complex problems in the payments sector.

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What does the hybrid work model at Visa entail for the Staff Software Engineer position?

The hybrid work model for the Staff Software Engineer position at Visa provides flexibility in your working environment. Typically, you will have a combination of remote and in-office workdays, allowing you the convenience of working from home while also enjoying the benefits of in-person collaboration with your teammates. The specific expectations regarding in-office days will be confirmed by your Hiring Manager, ensuring clarity and adaptability to your working style.

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What sort of technologies will I be working with as a Staff Software Engineer at Visa?

As a Staff Software Engineer at Visa, you'll be exposed to a variety of cutting-edge technologies focused on the future of payment processing. This includes the development of modern services with .NET/C#, leveraging advanced database systems like SQL Server 2019, and utilizing container orchestration tools such as Docker and Kubernetes. You will also engage with innovative payment solutions such as Real-Time Payments and Buy Now Pay Later technology, making this role both exciting and impactful.

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Common Interview Questions for Staff SW Engineer (.NET/Java)
What is your experience with .NET and how have you applied it in your previous projects?

When you're asked about your experience with .NET, focus on specific projects where you utilized this technology. Discuss the features you implemented, performance optimizations you made, and how you tackled any challenges. Providing concrete examples of your hands-on experience with .NET, especially in high-transaction environments, will showcase your suitability for the Staff Software Engineer role at Visa.

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How do you ensure the scalability and reliability of your software products?

To answer this question, illustrate your approach toward design patterns that enhance scalability, such as microservices architecture. Discuss practices like load testing and continuous integration/continuous deployment (CI/CD) that you implement to maintain reliability. Share examples where your proactive measures addressed potential bottlenecks or failure points.

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Can you describe a challenging technical problem you recently faced and how you solved it?

In your response, choose a specific example that highlights your problem-solving skills, emphasizing your thought process and the tools or technologies you used. Discuss how you gathered requirements, worked with your team, and iterated on solutions until achieving the desired outcome. This kind of narrative demonstrates your capability to handle complex challenges, a key aspect of the Staff Software Engineer position at Visa.

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What is your understanding of secure software development practices?

Here, it’s important to convey your familiarity with the Secure Software Development Lifecycle (SSDLC). Highlight practices such as threat modeling, regular security testing, and secure coding guidelines you follow. Giving examples of how you ensured data protection and compliance in past roles will demonstrate your dedication to security, particularly for a position in a financial institution like Visa.

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How do you prioritize tasks in an Agile development environment?

When discussing task prioritization in an Agile environment, focus on the methodologies you employ to assess importance and urgency. Talk about how you collaborate with your Agile team, review Sprint goals, and balance immediate needs with long-term objectives. Examples of how you effectively communicated with stakeholders to clarify priority tasks can illustrate your understanding of team dynamics in software development.

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Describe your experience with API development and integration.

Use this opportunity to explain your role in designing and developing APIs, detailing the protocols and tools you’ve used. Reference specific projects where API integration was vital in connecting components, and discuss how you ensured their security and performance. Sharing insights on versioning, documentation, and maintaining compatibility can further highlight your expertise in this area.

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What role does testing play in your software development process?

Address this question by emphasizing the importance of testing in producing high-quality software. Describe your experience with both automated and manual testing strategies and how they contribute to maintaining software integrity. Discuss any frameworks you’ve used and how you collaborate with QA teams to ensure that testing is integrated into the development process from the start.

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How do you stay updated with the latest technologies and industry trends?

Your answer should reflect a commitment to continuous learning. Discuss specific strategies you employ, such as following tech publications, attending relevant workshops or conferences, and engaging with the developer community on platforms like GitHub or online forums. Highlight any certifications or educational pursuits that further enhance your technical knowledge, especially relevant to the payments industry.

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Can you discuss a time when you mentored a junior developer or peer?

In this response, share a specific anecdote that reflects your mentorship approach. Talk about how you supported a junior developer’s growth, the strategies you used to teach them, and any results from your guidance. This showcases not only your technical skills but also your commitment to fostering talent and collaboration within a team, which is valued at Visa.

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What is your experience with container orchestration tools like Docker and Kubernetes?

Highlight your familiarity with container orchestration by discussing projects where you utilized Docker or Kubernetes. Describe how these tools improved your development workflow, such as simplifying deployment processes or enhancing scalability. Mention specific challenges you faced with container management and how you overcame them to demonstrate your practical knowledge in this area.

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Visa Inc. operates as a payments technology company worldwide. The company facilitates commerce through the transfer of value and information among consumers, merchants, financial institutions, businesses, strategic partners, and government entiti...

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Full-time, hybrid
DATE POSTED
April 17, 2025

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