Senior Backend / Full Stack Engineer Clera

Abundant Code; San Francisco (CA); On-site; USD 100,000 - 200,000; Full time

Benefits offered by this job

H-1B sponsorship and OPT/CPT support

Job summary

Clea in San Francisco is seeking a Senior Backend / Full Stack Engineer to design, build, and operate scalable messaging infrastructure for AI agents. You will own end-to-end projects from architecture through production, partnering with developers to deliver reliable agent experiences across familiar interfaces.

The role emphasizes strong TypeScript/Node.js skills, distributed systems, and collaboration in a small team.

Qualifications

• At least 3 years of professional software engineering experience, including production backend systems.
• Strong proficiency in TypeScript and Node.js, plus experience with Go, Rust, or Swift.
• Solid understanding of distributed systems, concurrency, networking, databases, and API design.

Responsibilities

• Design and operate highly available backend services for large-scale, real-time messaging workloads.
• Own projects end to end, including problem definition, architecture, implementation, deployment, observability, and ongoing operation.
• Build intuitive APIs, SDKs, developer tools, dashboards, and internal platforms.
• Address distributed systems challenges involving reliability, concurrency, fault tolerance, message delivery, queuing, and consistency.
• Contribute across backend services, infrastructure, internal tooling, and user-facing developer experiences.
• Evaluate technical tradeoffs and make pragmatic decisions that balance quality with execution speed.
• Use AI coding agents thoughtfully while maintaining a strong understanding of code, architecture, and operational impact.
• Take part in architecture discussions, code reviews, and incident analysis.

Job description

Senior Backend / Full Stack Engineer Overview

• Company Name: Clea
• Job Role: Senior Backend / Full Stack Engineer
• Qualifications: Not specified
• Category: I
• Job Type: Full Time
• Location: San Francisco, CA, United States

About the Role

Join a small engineering team building messaging infrastructure for AI agents. You will own complex systems from architecture through production, helping developers build reliable agent experiences across familiar communication interfaces.

What You’ll Do

• Design and operate highly available backend services for large-scale, real-time messaging workloads.
• Own projects end to end, including problem definition, architecture, implementation, deployment, observability, and ongoing operation.
• Build intuitive APIs, SDKs, developer tools, dashboards, and internal platforms.
• Address distributed systems challenges involving reliability, concurrency, fault tolerance, message delivery, queuing, and consistency.
• Contribute across backend services, infrastructure, internal tooling, and user-facing developer experiences.
• Evaluate technical tradeoffs and make pragmatic decisions that balance quality with execution speed.
• Use AI coding agents thoughtfully while maintaining a strong understanding of code, architecture, and operational impact.
• Take part in architecture discussions, code reviews, and incident analysis.

What We’re Looking For

• At least 3 years of professional software engineering experience, including substantial experience building and operating production backend systems.
• Strong proficiency in TypeScript and Node.js, plus experience with another backend language such as Go, Rust, or Swift.
• Solid understanding of distributed systems, concurrency, networking, databases, and API design.

Compensation & Benefits

• Base salary is $100,000 to $200,000 annually, with meaningful equity.
• H-1B sponsorship and OPT and CPT support are available.

Location

On-site in San Francisco, California.

Visa Sponsorship May be

Salary: USD 100000-200000 per year