Software Engineer: Tools Humanity

Role

Software Engineer, Crypto Platform

Tools for Humanity (TFH)

San Francisco

Full-Time

$191,000 to $225,000 plus a competitive long-term incentive package

• Healthcare
• dental
• vision
• 401(k) plan and match
• life insurance
• flexible time off
• commuter benefits
• professional development stipend

Tools for Humanity is hiring a Software Engineer, Crypto Platform for a full-time engineering role based in San Francisco. The position builds backend and blockchain infrastructure for transaction execution, state access, calldata, smart contracts, and event ingestion. The employer lists compensation of $191,000 to $225,000 plus a competitive long-term incentive package.

The engineer works with Go, Rust, and Type Script across World Chain platform services. The work includes deployment ownership, monitoring, incident response, RPC resilience, transaction simulation, and indexing. The role is aimed at blockchain professionals with production backend experience and familiarity with Ethereum or EVM systems.

The Software Engineer, Crypto Platform role builds services that support World Chain transaction execution, state reads, calldata, smart contracts, and event ingestion. The team also develops Temporal-based indexing and data pipelines for onchain experiences.

Platform work includes maintaining smart contracts and defining abstractions that other product teams can use. The role connects application requirements with the services that read, process, and submit blockchain transactions.

The engineer improves RPC resilience, failover, redundancy, and transaction simulation. Monitoring and alerting remain part of the work, along with incident response and ongoing maintenance after deployment.

Distributed systems and high-throughput backend experience support the role's operational responsibilities. Event-driven systems, indexing pipelines, and workflow orchestration also appear in the stated experience areas.

• Write production code in Go, Rust, and Type Script.
• Build transaction execution and state-access services.
• Develop calldata, smart-contract, and event-ingestion systems.
• Improve RPC resilience, failover, and redundancy.
• Support monitoring, alerting, incident response, and maintenance.

Tools for Humanity describes itself as the company building technology behind World, including Orb, World , and World App. The employer states that World  more than 17 million verified people across 160 countries.

The company was founded in 2019 and reports a workforce of more than 400 people. Its disciplines include hardware, software, artificial intelligence, cryptography, mobile engineering, and global operations.

What Is The

Employment Type?

Tools for Humanity lists the Software Engineer, Crypto Platform as a full-time role.

Where Is The Position Located?

The public posting lists San Francisco. The employer does not specify a work mode on the public job page.

What Salary Is Listed?

The stated salary range is $191,000 to $225,000, plus a competitive long-term incentive package.

Which Technologies Appear In The Qualifications?

The posting names Go, Rust, Type Script, Ethereum, EVM chains, smart contracts, account abstraction, ERC-4337, event-driven systems, indexing pipelines, and Temporal.

The role works across product, protocol, infrastructure, and security teams, so feature ownership continues from implementation through deployment and operational support. The platform also includes multiprovider redundancy and transaction simulation as part of its infrastructure scope. The benefits package includes healthcare, dental, vision, a 401(k) plan and match, life insurance, flexible time off, commuter benefits, and a professional development stipend. The public posting does not provide an Final date to receive applications or a minimum number of years of experience.