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Clera

Full-Stack Software Engineer, Reinforcement Learning

San Francisco
Salary
$130,000 - $225,000 annually
Level
Mid
Work type
On-site · San Francisco

Not stated in the posting: visa.

Open. First seen 20 October 2026.

Apply on the company's site →

About the role

About the Role

Build the product interfaces, backend services, and internal tools that power an AI reinforcement learning data platform. You will work with research engineers and external partners to turn complex needs into useful products for creating and evaluating training data.

What You'll Do

  • Develop tools for browsing environments, inspecting trajectories, reviewing task quality, and understanding model behavior.
  • Build partner workflows for creating, submitting, testing, and improving reinforcement learning environments and training data.
  • Create dashboards and observability tools for environment quality, evaluation results, data collection progress, and pipeline health.
  • Design backend services and APIs that connect task authoring, data collection, evaluation, quality review, and training infrastructure.
  • Collaborate with research, operations, and go-to-market teams to ship and improve systems.

What We're Looking For

  • At least 3 years of full-stack software engineering experience building and shipping production systems.
  • Hands-on experience with AI, machine learning, or reinforcement learning.
  • Proficiency in Python and a modern web stack such as React, TypeScript, or Next.js.
  • Experience owning user-facing or internal products end-to-end, from design through deployment.
  • Experience building backend services, APIs, and databases, plus practical knowledge of cloud infrastructure, Docker, CI/CD, and production debugging.
  • Background building dashboards, monitoring or observability interfaces, data inspection tools, review workflows, or quality assessment products.
  • Experience with data collection, labeling, annotation, or evaluation platforms is valuable. AWS, Kubernetes, Terraform, Grafana, developer tools, and partner-facing workflows are also relevant.

Compensation & Benefits

Base salary is $130,000 to $225,000 annually. Visa sponsorship and relocation support are available for strong full-time candidates moving to the United States or Singapore.

Location

On-site in San Francisco, California. Candidates able to maintain substantial time zone overlap with San Francisco or Singapore may also be considered for remote work.

What this role asks for

Particular to this role

Docker · Grafana · Kubernetes · Next.js · Terraform

Rare in Clera's other 299 open postings.

Standard for full stack roles

AWS · CI/CD · JavaScript · Python · React · TypeScript

Common in full stack postings at any company.

Compared with Clera's other open jobs.

The team: Engineering HIRES STEADILY

This role is one of 346 open in Engineering. 280 were posted in the last 30 days and the oldest in March: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

LLM (154 of 346), Python (146 of 346), TypeScript (144 of 346), React (117 of 346), Machine Learning (85 of 346), PostgreSQL (61 of 346), JavaScript (59 of 346)

OTHER ROLES ON THIS TEAM

From the team and dates on Clera's own job board.

Other openings for this role

2 open postings for this role in San Francisco, first posted 3 October 2026. The company is likely hiring for more than one position. None has been taken down and posted again.

See Software Engineer salaries in San Francisco →

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