Software Engineer, Cash App Taxes

Block
New York
Workplace: OnsiteFull timeUSD 217,800 - 326,800 annuallyFunction: Software EngineeringExperience: 4+ yearsEducation: bachelorsSkills: ["Communication","Problem-solving","Attention to detail","Methodical debugging","Collaboration"]

Build and enhance the codebase that powers Cash App Taxes on the Tax Engine Server Engineering team. Translate complex federal and state tax rules into clean, maintainable, well-tested backend systems, including e-file submission logic. Partner with product managers, tax specialists, and cross-functional teams to ensure accuracy, reliability, scalability, security, and high performance—while creating tools, guardrails, and best practices for safe code changes and smooth deployments.

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FursaFursa
Block
Block
1 day ago

Software Engineer, Cash App Taxes

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 8 hours agoStatus: Live

Job Summary

Build and enhance the codebase that powers Cash App Taxes on the Tax Engine Server Engineering team. Translate complex federal and state tax rules into clean, maintainable, well-tested backend systems, including e-file submission logic. Partner with product managers, tax specialists, and cross-functional teams to ensure accuracy, reliability, scalability, security, and high performance—while creating tools, guardrails, and best practices for safe code changes and smooth deployments.
Location: New York
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Design, build, and own high-quality backend features and systems for the Cash App Taxes filing experience, including federal/state form logic and e-file submission.
  • •Translate complex tax rules into clean, maintainable, and well-tested code in partnership with Tax Product Specialists.
  • •Build tools and guardrails that allow non-technical contributors to make safe code changes while maintaining quality standards.
  • •Drive architectural and design decisions to keep the tax platform scalable, secure, and maintainable.
  • •Write reliable, well-tested code and establish best practices for coding, testing, deployment, and documentation.

Pay and Benefits

Salary: USD 217,800 - 326,800 annually
Perks:Health InsuranceRemote WorkPaid Leave401k

Key Requirements

  • •4+ years of professional software development experience in a fast-paced or product-centric environment (tax industry experience is a plus).
  • •Strong backend development skills, including system design, architecture, and object-oriented programming.
  • •Proven track record of delivering reliable, high-quality software solutions on schedule.
  • •Excellent communication skills to collaborate with technical and non-technical stakeholders.
  • •Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience).
Experience:4+ yearsTax industry
Education:Bachelor's in Computer Science, Engineering, or a related field
Skills:CommunicationProblem-solvingAttention to detailMethodical debuggingCollaboration
Languages:English
Tech Stack:JavaKotlinIBatisSQLDatadogSplunkNew RelicGCPAWSGitHubHTTPJSONGRPCProtocol BuffersOktaLinearClaudeCodex

Company Brief

Block
Builds financial services and commerce tools to empower businesses and individuals, operating products such as Square, Cash App, Spiral (Bitcoin initiatives), TIDAL, and developer-focused payment and banking solutions.
Industry: Fintech Infrastructure
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Francisco, United States
Founded: 2009
WebsiteLinkedIn