Staff Software Eng.: Financial Platform & Card Networks

Precision Labs; Seattle, Northern (WA, KY); Hybrid; USD 264,000 - 395,000; Full time

Job summary

Block, Inc. in Seattle, WA, is looking for a Staff Software Engineer to join the Financial Platform Issuing team.

You will own the card issuing platform that powers Cash App Card and other programs, handling issuance, fulfillment, activation, and real-time processing across networks. You will work hands-on writing production code, building certification tooling, and interfacing directly with card networks to interpret specifications, land outcomes, and drive end-to-end network certification and

Qualifications

• Deep expertise with major card networks including Visa, ISO 8583, and authorization/clearing flows.
• Live, direct network connection experience or direct connectivity to networks.
• Experience landing concrete outcomes with card networks (rulings, extensions, certification).

Responsibilities

• Interpret network specifications and certification requirements with networks.
• Lead technically complex work across teams at the network boundary.
• Write production code and build tooling for certification and conformance.
• Collaborate with networks to influence requirements and resolve ambiguities.
• Drive end-to-end network certification and release cycles.

Skills

Card networks expert

Direct network connectivity

Software engineering

On-call readiness

AI tooling familiarity

Tools

Certification tooling

Conformance tooling

Job description

Block, Inc. in Seattle, WA, is looking for a Staff Software Engineer to join the Financial Platform Issuing team.

You will own the card issuing platform that powers Cash App Card and other programs, handling issuance, fulfillment, activation, and real-time processing across networks. You will work hands-on writing production code, building certification tooling, and interfacing directly with card networks to interpret specifications, land outcomes, and drive end-to-end network certification and