Software Engineer, Payment Interfaces

🔥 17 minutes ago

🏄 California – Remote

🏄 California – Remote

💵 $185.2k - $326.8k / year

⏰ Full Time

🟠 Senior

🔴 Lead

🧑‍💻 Full-stack Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

👻 Ghost score 0%

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Block

WebsiteLinkedInAll Job Openings

10,000+ employees

Founded 1990

💼 Consulting

📣 Marketing

💳 Fintech

Consulting • Marketing • Fintech

Block is a technology company that aims to increase access to the global economy through its various brands. Square provides commerce and financial services designed for sellers, while Cash App offers an easy platform for spending, sending, and storing money. Afterpay allows customers to manage their spending over time. Additionally, TIDAL empowers artists by providing them with tools for entrepreneurship, and Bitkey and Proto focus on bitcoin and related services. Together, these services contribute to building an open financial system accessible to everyone.

📋 Description

• Design, build, maintain, and scale customer-facing payment APIs • Lead complex projects end to end, including requirements clarification, trade-off evaluation, incremental delivery, testing, rollout, and maintenance • Operate critical payment systems serving worldwide traffic • Participate in the team’s on-call rotation and investigate incidents • Improve performance, observability, fault tolerance, and security • Use automation to reduce repetitive operational work and make systems safer to change • Work with product and engineering partners across Block to create reusable payment capabilities • Use AI-assisted tools for design, implementation, testing, and debugging while evaluating their output • Shape technical decisions and develop others through design reviews, code reviews, documentation, and mentoring

🎯 Requirements

• Experience building, maintaining, and scaling customer-facing financial or payment APIs, together with a strong understanding of payments; this is a requirement for the role • Experience designing and operating high-volume, highly available distributed systems where correctness, security, and reliability matter • Understanding of payment API concerns such as idempotency, retries, asynchronous processing, backward compatibility, and handling partial failures without compromising financial correctness • Record of leading complex engineering projects from unclear requirements through production, making technical trade-offs, and coordinating work with partner teams • Experience diagnosing production issues and improving systems through monitoring, incident response, and preventive engineering • Fluency with AI-assisted engineering tools and judgment to validate generated code, protect sensitive data, and recognize when deeper investigation is needed • Clear written communication and experience helping other engineers develop their technical skills • A minimum of 8 years of related experience with a Bachelor’s degree; or 6 years and a Master’s degree; or a PhD with 3 years experience; or equivalent experience • Experience with Kotlin, Go, TypeScript, AWS, and Kafka

🏖️ Benefits

• Remote work • Medical insurance • Flexible time off • Retirement savings plans • Modern family planning • Reasonable accommodations throughout the recruitment process

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