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Block Backed by Sequoia
8 views 3 weeks ago

Senior Business Resilience Program Manager

Open 17d North AmericaSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Program manager on Block's Business Resilience team (Security GRC) who operates and matures business continuity, disaster recovery, crisis management, and third-party resilience programs — running exercises and recovery tests, tracking remediation, reporting to executives and Boards, and improving workflows with AI, automation, and dashboards.

AI Automation Regulatory Compliance
198K – 297K $
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Block Backed by Sequoia
15 views 3 weeks ago

Senior Analytics Engineer, AI & DX Analytics

Open 38d North AmericaSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Senior Analytics Engineer on Block's AI & DX Analytics team: instruments new telemetry on AI usage, code changes, and CI/CD, builds production pipelines into governed data (Snowflake, SQL, Python), and ships executive-facing dashboards and analyses that guide AI investment and developer-experience decisions. AI coding agents are a default part of the workflow.

AI Ai Enablement Analytics Business Intelligence CI/CD +15 skills
164K – 245K $
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Block Backed by Sequoia
19 views 3 weeks ago

Staff iOS Software Engineer, Product Platform

Open 41d North AmericaFull-timeStaff H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Hands-on staff-level iOS platform engineer who builds and evolves the shared foundations (architecture, navigation, frameworks, developer tooling) behind Cash App and Square, leads multi-quarter initiatives across teams, and champions AI-assisted development. Core stack: Swift, Objective-C, SwiftUI/UIKit, Bazel, Protocol Buffers.

AI Android Bazel CI/CD Developer Experience +8 skills
264K – 395K $
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Block Backed by Sequoia
7 views 3 weeks ago

Security Engineer, Business Continuity & Risk

Open 24d North America H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Security Engineer at Block's bank (Square Financial Services) builds the third-party risk and business continuity program as an engineering problem: data pipelines joining risk/control/asset signals, policy-as-code controls, and agentic LLM workflows for evidence analysis and continuous monitoring. Stack includes Python/Java/Kotlin/Go, AWS/GCP, and Snowflake.

Agentic AI AI API Authentication AWS +20 skills
180K – 270K $
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Block Backed by Sequoia
9 views 3 weeks ago

Staff Software Engineer, Financial Platform - Issuing

Open 45d APACStaff H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
Australia

Staff software engineer on Block's card-issuing platform team in Melbourne, serving as the deep technical expert on card networks (ideally Visa) — handling specs, ISO 8583 message flows, certification and mandates — while staying hands-on writing production code and tooling for the systems authorizing Cash App Card and Square Card transactions in milliseconds.

AI Authentication Express.js
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Block Backed by Sequoia
13 views 3 weeks ago

Staff Software Engineer, Financial Platform - Issuing

Open 45d North AmericaStaff H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Staff software engineer on Block's Financial Platform Issuing team, building and operating the card issuing platform behind Cash App Card and Square Card. The role is hands-on: deep card-network work (Visa/Mastercard/Amex specs, ISO 8583, certification, mandates), production code and tooling, protocol-level debugging, and on-call for critical payments systems.

AI Authentication Express.js
264K – 395K $
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Block Backed by Sequoia
8 views 3 weeks ago

Staff Software Engineer, Payments Acquiring

Open 17d North AmericaStaff H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Staff engineer on Block's Financial Platform Acquiring team, building and operating the card-acquiring systems behind Square, Cash App, and Afterpay: tokenizing card data, routing and authorizing payments over direct network/acquirer connections, and handling capture, clearing, and settlement. Requires deep ISO 8583/card-network expertise, hands-on coding, project leadership, and on-call participa

Agentic AI AI API Express.js Test Automation
264K – 395K $
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Block Backed by Sequoia
9 views 3 weeks ago

Principal Security Engineer

Open 118d North AmericaPrincipal H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Principal Security Engineer at Block designs and implements secure software architectures for fintech products like Square and Cash App, driving security best practices across engineering teams.

AI Automation Cryptocurrency SDLC Threat Modeling
319K – 479K $
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Block Backed by Sequoia
11 views 3 weeks ago

Staff iOS Software Engineer, Bitcoin

Open 19d North AmericaStaff H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Staff iOS engineer on Block's Bitcoin team, owning architecture and delivery of bitcoin, stablecoin, and non-custodial wallet features across Cash App, Square, and Bitkey. Hands-on work in Swift, SwiftUI/UIKit, Objective-C, Bazel, plus mentoring and AI-assisted development.

AI Android Bazel CI/CD iOS +7 skills
264K – 395K $
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Block Backed by Sequoia
19 views 3 weeks ago

Software Engineer, Privacy Engineering

Open 32d RemoteNorth America H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Software engineer on Block's Privacy Engineering team, building internal services and infrastructure that protect customer privacy across Block's ecosystem (Square, Cash App, Afterpay, etc.), collaborating with product, security, and legal teams, mentoring engineers, and maintaining existing privacy tooling. Stack: Java, Kotlin, Linux, Terraform, AWS, MySQL.

AI AWS Data Governance Java Kotlin +3 skills
180K – 270K $
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Block Backed by Sequoia
15 views 3 weeks ago

Data Scientist, Payments

Open 31d North AmericaInternshipIntern H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Early-career data scientist at Block working on payments data across Square and Cash App — partnering with Product, Engineering, Finance, and Operations to measure and optimize payment success rates, cost efficiency, and risk, while building ETL pipelines, dashboards, ML models, and AI-powered data tooling on cloud infrastructure. Core tech: SQL, Python, AI tools.

AI Cloud Data Science ETL Machine Learning +2 skills
95K – 168K $
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Block Backed by Sequoia
14 views 3 weeks ago

Software Engineer, Cash App Taxes

Open 54d North America H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Backend engineer on Cash App's Tax Engine Server team, building and owning the systems that power tax filing — from federal/state form logic to e-file submission — by translating complex tax rules into clean, well-tested code. Stack includes Java/Kotlin, SQL, GCP/AWS, gRPC, and AI coding agents.

AI AWS Cloud Datadog GCP +11 skills
153K – 270K $
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Block Backed by Sequoia
10 views 3 weeks ago

Senior Data Scientist, First Line Risk

Open 20d North AmericaSenior H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval belongs to the employer and is not a commitment to sponsor this role.
United States

Senior Data Scientist on Block's First Line Risk team building control performance monitoring for financial products: defining risk metrics and KPIs, turning analyses into automated monitoring modules, and partnering with risk, compliance, product, and engineering. Core stack is Python and SQL with strong statistics, plus visualization, LLMs, and data warehouses like Snowflake/BigQuery.

AI Anomaly Detection BigQuery Data Quality Data Science +11 skills
198K – 297K $
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MEDIA Traff
11 views 3 weeks ago

Senior Media Buyer Crypto (Facebook / Google)

Open 102d RemoteWorldwideSenior

Senior Media Buyer for crypto-focused campaigns on Facebook and Google, managing large monthly budgets and optimizing ad performance across global markets.

500 – 2K $ / mo
Galaxy
20 views 3 weeks ago

Director, Product Manager - Institutional Platform

Open 135d North America
United States

Lead the design and evolution of Galaxy’s portfolio margin and risk framework for a multi-asset trading platform, blending quantitative finance, systems architecture, and AI-driven product development.

AI API Candidate Experience Developer Experience HPC +2 skills
250K – 270K $
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emergiTEL Inc.
8 views 3 weeks ago

Sr. DevOps Engineer

Open 17d North AmericaFull-timeSenior
Canada

Senior DevOps Engineer owning AWS cloud infrastructure for a fintech/crypto client in Etobicoke, ON (hybrid): multi-account AWS architecture, Terraform, GitLab CI/CD, EKS/ECS containers, PCI-grade security and compliance, Datadog observability, and Cloudflare edge. Roughly 80% hands-on execution, 20% mentoring.

AI Automation AWS Bash CI/CD +33 skills
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Robinhood Backed by TechstarsBacked by a16zBacked by SequoiaBacked by Index Ventures
15 views 3 weeks ago

Senior Software Engineer, Web3 Backend

Open 17d North AmericaSenior
Canada

Senior backend engineer in Robinhood's Toronto office building and scaling backend services, infrastructure, and data systems for crypto, web3, and wallet offerings (Robinhood Chain, DeFi, tokenized assets, perpetual futures). Core stack is Go or Python with low-latency, large-scale distributed systems, plus mentoring and technical leadership.

AI CAD Cryptocurrency DeFi Distributed Systems +4 skills
166K – 195K CAD
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Robinhood Backed by TechstarsBacked by a16zBacked by SequoiaBacked by Index Ventures
16 views 3 weeks ago

Senior Software Engineer, Web3 Backend

Open 19d North AmericaContractSenior
United States

Senior engineer architecting, building, and scaling backend services, infrastructure, and data systems for Robinhood's crypto/web3 offerings (Wallet, Tokenization, Robinhood Chain), bridging traditional brokerage rails with on-chain systems. Core tech: Go, Python, or Java, distributed systems, cloud-native event-driven architecture, EVM/blockchain.

AI Blockchain Cloud Cloud Native Cryptocurrency +11 skills
196K – 230K $
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Robinhood Backed by TechstarsBacked by a16zBacked by SequoiaBacked by Index Ventures
13 views 3 weeks ago

Software Engineer, Web3 Backend

Open 19d North AmericaContract
Canada

Backend engineer at Robinhood building scalable services and infrastructure for crypto, web3, wallet, and tokenized-asset trading (Robinhood Wallet, Tokenization, and Robinhood Chain teams), using Go/Python/Java and cloud-native systems, with smart contract integrations, chain indexers, and DEX trade flows. Based in the Toronto office with 3 days/week in person.

AI Blockchain CAD Cloud Cloud Native +9 skills
136K – 160K CAD
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Robinhood Backed by TechstarsBacked by a16zBacked by SequoiaBacked by Index Ventures
15 views 3 weeks ago

Software Engineer, Web3 Backend

Open 19d North AmericaContract
United States

Backend engineer building and owning services, infrastructure, and data systems for Robinhood's crypto, web3, and wallet offerings (Robinhood Wallet, Tokenization, Robinhood Chain) — including DEX trade flows, smart contract integrations, chain indexers, and on-chain settlement of tokenized assets. Core technologies: Go/Python/Java backend services with cloud-native architecture and blockchain/EVM

AI Blockchain Cloud Cloud Native Cryptocurrency +8 skills
166K – 195K $
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