# Software Engineer, Justice Engineering

**Company:** [Square](https://hotfix.jobs/companies/square)
**Location:** Remote
**Role:** Fullstack Engineering
**Salary:** $153k – $270k/yr
**Experience:** 3+ years
**Skills:** Ruby on Rails, Sidekiq, Java, Kotlin, React, TypeScript, AWS, gRPC, Protocol Buffers, MySQL, DynamoDB, Redis, Kafka, Microservices, LLMs
**Posted:** 2026-09-04

> Build and operate full-stack services that automate Block’s legal and regulatory response workflows, spanning backend systems, internal tools, and integrations. Requires 3+ years of software development experience, production ownership, and proficiency across the stack.

## Job Description

## Responsibilities
- Design, develop, test, ship, and maintain features that automate responses to legal, regulatory, and civil requests.
- Build and operate backend services, internal web tools, and pipelines connecting to upstream systems.
- Write high-quality, well-tested code and participate in design and code reviews.
- Design systems within microservice and event-driven architectures while handling sensitive customer data securely and accurately.
- Translate legal requirements into durable automated workflows with Counsel, Compliance, and Operations.
- Participate in on-call, incident response, and postmortems.
- Modernize services and improve reliability.
- Use AI-powered development tools responsibly to improve velocity and quality.
- Support other engineers through reviews and technical discussions.

## Requirements
- 3+ years of software development or equivalent experience.
- Experience building and operating production software and delivering features end to end.
- Full-stack experience across backend services and user interfaces.
- Ability to identify and resolve problems in complex systems.
- Ability to communicate technical tradeoffs to technical and non-technical audiences.
- Experience using AI-powered developer tools and critically evaluating their output.
- Bachelor’s degree or diploma in Computer Science, Computer Engineering, Software Engineering, or equivalent experience.

## Nice to Have
- Experience with sensitive data such as PII or PCI, privacy, security, or regulatory requirements.
- Experience building internal tools, operational workflows, or case-management systems.
- Experience integrating LLMs or agents into production workflows.
- Experience modernizing long-lived, business-critical services.
- Interest in legal, compliance, or investigations technology.

## Technologies
- Ruby on Rails, Sidekiq
- Java, Kotlin
- React, TypeScript
- AWS
- HTTP, JSON, gRPC, Protocol Buffers
- MySQL, Aurora, DynamoDB, Redis
- Kafka, event-driven architecture, microservices
- Datadog
- Buildkite, Gradle
- LLMs, AI agents, Goose, Claude, MCP

## Compensation
- Annual salary range: $153,000–$270,000 USD, depending on location, skills, experience, qualifications, and market conditions.
- Benefits include remote work, medical insurance, flexible time off, retirement savings plans, and family-planning support.

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**Canonical:** https://hotfix.jobs/jobs/03130625-727a-42d6-a6d1-624067b9adaa