Lead Software Engineer, Crypto Program

Visa; Singapore; Hybrid; SGD 100,000 - 150,000; Full time

Job summary

A global payments technology leader based in Singapore is seeking a Software Engineer to work on complex systems impacting millions worldwide. Candidates should have over 10 years of experience, strong skills in Java and backend development, and a passion for innovative payment technologies. This hybrid role offers the chance to contribute to projects that enhance the future of commerce and financial solutions.

Qualifications

• 10+ years of relevant work experience.
• Experience designing and developing backend applications.
• Strong motivation and quick learning of new technologies.

Responsibilities

• Design code and systems affecting 40% of the global population.
• Collaborate with teams to create best-in-class software solutions.
• Develop robust and scalable products for diverse customers.

Skills

Strong proficiency in object-oriented programming languages (Java)

Experience with test-driven development (TDD)

Experience with CI/CD tools

Strong interpersonal and communication skills

Expertise in developing smart contracts for EVM-compatible blockchains

Education

Bachelor’s Degree in relevant field

Tools

Java

JavaScript

Kubernetes

Docker

Job description

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 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:

• 10+ years of relevant work experience with a Bachelor’s Degree or at least 7 years of work experience with an Advanced degree (e.g. Masters, MBA, JD, MD) or 4 years of work experience with a PhD, OR 13+ years of relevant work experience.

Preferred Qualifications

• 12 or more years of work experience with a Bachelor’s Degree or 8-10 years of experience with an Advanced Degree (e.g. Masters, MBA, JD, MD) or 6+ years of work experience with a PhD
• 10+ years of relevant work experience with a Bachelor’s Degree or at least 8+ years of experience with an Advanced Degree (e.g. Masters, MBA, JD, MD) or 2 years of work experience with a PhD, OR 12+ years of relevant work experience.
• Proven experience designing and developing backend applications for high‑performance, distributed systems.
• Proven expertise developing software within the Secure Software Development Life Cycle (SSDLC) model.
• Strong proficiency in object‑oriented programming languages (Java) and scripting languages (Javascript, typescript)
• Solid understanding of blockchain technologies, DeFi protocols, consensus protocols and security schemes.
• Solid understanding of data structures and optimizing storage for on‑chain data
• Strong proficiency in developing smart contracts for EVM‑compatible blockchains, strong knowledge of ERC standards and EIPs for building scalable dApps.
• Proven experience scaling dApps for high throughput, low cost and consistency
• Experience with test‑driven development (TDD), unit testing, and performance testing.
• Experience with CI/CD tools.
• Highly motivated and quick to learn new technologies to tackle complex challenges.
• Background in payments and financial services is a plus.
• Strong interpersonal, facilitation, and leadership abilities, with effective written and verbal communication skills.
• Demonstrated ability to present complex concepts clearly and succinctly.

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

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.