This job post has expired on March 20, 2026. It is likely that the position has already been filled.
Software Engineer III at Mercor
posted 7 months agoSoftware Engineer III | $80–110/hr | Menlo Park, CA
Join a dynamic legal department as a Software Engineer III, where you'll build internal tools, automate workflows, and establish technical best practices. This role is perfect for detail-oriented engineers who thrive in collaborative environments with both technical and non-technical stakeholders.
What You'll Do:
- Design, develop, and maintain full-stack internal tools to streamline legal department workflows and boost operational efficiency
- Automate processes using modern programming languages and frameworks including Python, JavaScript, and Hack
- Build and enhance backend systems supporting data management and operational requirements
- Establish technical best practices for software development, covering code quality, security, and scalability
- Collaborate with cross-functional partners including attorneys, Data Science, and Data Engineering teams to gather requirements and provide technical guidance
- Create comprehensive internal documentation for tools, systems, and workflows to ensure knowledge continuity
- Stay current on emerging technologies and help non-technical partners understand system capabilities and limitations
- Develop and maintain monitoring and alerting systems, participate in on-call rotations, and resolve issues promptly
Required Qualifications:
- 6+ years of professional software engineering experience (8+ years preferred)
- Expert-level proficiency in C++, C, Java, Hack, or equivalent non-pythonic language (Java and PHP strongly preferred)
- Expert-level Python programming skills
- Proven experience developing command-line interfaces and shell scripts (Bash) in Unix/Linux environments
- Strong self-starter with excellent collaboration skills and experience leading cross-functional tooling projects with minimal oversight
- Experience serving as a technical liaison, translating business requirements into technical specifications for non-technical stakeholders
- Solid background in QA testing methodologies
- Exceptional organizational skills and documentation abilities
- Strong written and verbal communication skills, including technical documentation and incident reporting
Preferred Qualifications:
- West Coast-based with interest in occasional San Francisco office visits (fully remote acceptable)
- Experience building enterprise web applications and internal tools end-to-end
- Background in legal, privacy, or security-related projects
We are committed to fair chance hiring practices in accordance with California and San Francisco ordinances.
How to apply for this role
- Upload your resume — keep it up-to-date and in English. Mercor will auto-fill your profile from it.
- Complete the AI interview — a 15-minute conversation about your experience. Be ready to discuss specific projects and challenges you've solved.
- Submit your application — only about 20% of applicants finish all the steps, so completing yours puts you well ahead.