Senior Software Engineer
Zefr•Marina del Rey, CA
•$180,000 - $200,000•Hybrid
About The Position
Zefr is seeking a Senior Software Engineer to design, implement, and operate microservices in Kubernetes and other cloud-scalable, highly available environments. This role involves building and running production systems that power Zefr's platform at scale, utilizing AI fluently for coding, research, and problem-solving. The ideal candidate is a self-starter who can take ambiguous problems from design through production, operate their own systems, and improve the team's engineering practices through collaboration and clear communication.
Requirements
- Bachelor's or Master's degree in Computer Science or related field with 5+ years of professional software engineering experience
- Deep hands-on experience designing, building, running, and operating microservices in Kubernetes and cloud environments (GCP, AWS, or Azure)
- Proficiency using AI for coding and research as a daily productivity multiplier (e.g., Claude Code, Copilot, Cursor)
- Strong foundation in distributed systems, API design, data structures, algorithms, and software design
- Thorough testing and code review standards/practices
- Self-starter who identifies problems, proposes solutions, and drives them to completion with minimal direction
- Strong collaboration skills and strong verbal and written communication skills
Nice To Haves
- Proficiency with LLMs, MCP (Model Context Protocol), agent-gateway, and agentic infrastructure
Responsibilities
- Own the design and implementation of microservices, and run and operate them in Kubernetes and other cloud-scalable, highly available environments.
- Design systems for scale, reliability, and high availability, and take accountability for the operational health of owned services, including observability, alerting, and incident response.
- Use AI tools for coding and research as a daily part of the engineering workflow, and help the team adopt effective AI-assisted development practices.
- Collaborate with product, ML, and infrastructure teams to translate requirements into robust technical designs.
- Contribute to architectural decisions, design reviews, and engineering standards across the platform.
- Mentor other engineers and communicate technical direction clearly to technical and non-technical stakeholders.
Benefits
- Flexible PTO
- Medical, dental, and vision insurance with FSA options
- Company-paid life insurance
- Paid parental leave
- 401(k) with company match
- Professional development opportunities
- 10+ paid holidays off
- Summer Fridays (we leave early)
- Hybrid work: 2 days in our Marina del Rey office, 3 days remote
- In-office lunches and lots of free food
- Optional in-person and virtual events (we like to celebrate!)
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What This Job Offers
Job Type
Full-time
Career Level
Senior
