Senior Software Engineer - Senior Consultant Level

Visa; London; On-site; GBP 50,000 - 95,000; Full time

Job description

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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

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:

1. Design code and systems that touch 40% of the world population while influencing Visa's internal standards for scalability, security, and reusability.
2. Collaborate multi-functionally to create design artifacts and develop best-in-class software solutions for multiple Visa technical offerings.
3. Actively contribute to product quality improvements, valuable service technology, and new business flows in diverse agile squads.
4. Develop robust and scalable products intended for a myriad of customers including end-user merchants, B2B, and business to government solutions.
5. Leverage innovative technologies to build the next generation of Payment Services, Transaction Platforms, Real-Time Payments, and Buy Now Pay Later Technology.
6. Opportunities to make a difference on a global or local scale through mentorship and continued learning opportunities.

Essential Functions:

1. Takes a hands-on approach in designing and developing software while simultaneously guiding the team in developing code that adheres to design specifications and meets security best practices.
2. Proactively proposes automation to improve effectiveness and efficiencies of systems and tools and supports development and implementation of new automation, identifying where investment will yield the greatest efficiencies.
3. Leverages back-end technical expertise on underlying systems/platforms across teams and telemetry analyses to propose scalable improvements in code, processes, and designs with an emphasis on customer/business objectives.
4. Engages with product engineering teams and product owners across teams by leading code/design reviews, hosting regular meetings, and participating in on-call rotations and incident responses throughout product development and operations cycles.
5. Communicates complex technical concepts effectively to both technical and non-technical stakeholders, ensuring clarity and alignment on project goals and requirements, and facilitates collaborative efforts within and across teams.

The Skills You Bring:

1. Technical Expertise: Experience building and deploying modern services and web applications with quality and scalability.
2. Energy and Experience: A growth mindset that is curious and passionate about technologies and enjoys challenging projects on a global scale.
3. Challenge the Status Quo: Comfort in pushing the boundaries, "hacking" beyond traditional solutions.
4. Learner: Constant drive to learn new technologies.
5. Partnership: Experience collaborating with Product, Test, Dev-ops, and Agile/Scrum teams.

Qualifications:

1. Desirable Experience:
2. Agile Methodologies: Experience with Scrum and other Agile methodologies, ability to drive and facilitate scrum ceremonies (sprint planning, refinements, daily stand-ups, retrospectives).
3. Programming Languages: Proficiency in Java 17 and above, Java Concurrency / Multithreading; OOP and Enterprise design patterns, Lambda functions and functional patterns.
4. Cryptography: Asymmetric Key Encryption, JWE/JWS, SSL/TLS.
5. Spring Framework: Spring Boot, Spring Data, Spring Batch, Spring AOP, Spring Security.
6. Containerization: Docker, Kubernetes.
7. Cloud Services: Experience with AWS - EC2, S3, RDS, Lambda, etc.
8. Database Management: ORM, SQL (MySQL, DB2), Liquibase, NoSQL.
9. Microservice Architecture: Designing and developing microservices, inter-service communication (REST, Pub/Sub).
10. Messaging Systems: Apache Kafka, RabbitMQ.
11. Generative AI: Prompt engineering, understanding of RAG and fine tuning, familiarity with tools like Langchain and Crew AI.
12. SSDLC: Experience with static and dynamic code analysis tools (Nexus, SonarQube, Checkmarx, ESLint, Checkstyle).
13. Continuous Integration/Continuous Delivery (CI/CD): Familiarity with CI/CD pipelines and tools such as Jenkins, GitLab CI, or CircleCI for automated testing and deployment.
14. Version Control: Proficiency with version control systems, particularly Git, and best practices for branching, merging, and versioning.
15. Code Quality: Experience conducting and participating in code reviews to ensure code quality and adherence to best practices. Practice and advocate for testing methodologies such as TDD, BDD, AAT. Proficiency in developing automated tests using tools like Selenium, TestNG, or Cypress. Ability to define and monitor code quality metrics such as code coverage, cyclomatic complexity, and technical debt.

Qualifications:

1. Master's degree: in Math, Science, Engineering, or Computer Science, Information Systems or related field AND minimum six (6) years of experience in a directly related field.
2. OR
3. Bachelor's degree: in Math, Science, Engineering, or Computer Science, Information Systems or related field AND minimum eight (8) years of experience in a directly related field.
4. OR
5. Minimum eleven (11) years of directly related experience.

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.