# Software Engineer, Backend

**Company:** [Opto](https://hotfix.jobs/companies/opto)
**Location:** New York, NY, San Francisco, CA
**Role:** Backend Engineering
**Salary:** $160k – $240k/yr
**Experience:** 6+ years
**Skills:** Python, REST APIs, SQL, TypeScript, React, AWS, AWS Lambda, FastAPI, Distributed Systems, Data Modeling, API Design, Pytest, CI/CD, Ai/Llms, Next.js
**Posted:** 2026-08-17

> Build and own backend software for a private-markets investment platform, contributing across the full development lifecycle. The role requires 6+ years of software development experience, strong Python, REST API, SQL, and distributed-systems expertise, plus familiarity with AWS and AI/LLM applications.

## Job Description

## Responsibilities
- Own the delivery of high-quality software projects, coordinating with teammates and stakeholders to meet agreed timelines.
- Contribute across specification, implementation, code review, QA testing, deployment, and operations.
- Seek context and rapidly iterate on solutions to eliminate ambiguity and drive projects forward.
- Participate actively in engineering recruiting, including interviewing, problem specification, and role ownership.
- Communicate with stakeholders, teammates, and managers to unblock progress.

## Requirements
- 6+ years of hands-on software development experience, with a strong emphasis on individual contribution.
- A four-year technical degree in Computer Science, Data Science, Engineering, or a related field, or equivalent experience.
- Background or demonstrated interest in investment management, fintech, or financial data.
- Proficiency in Python, REST APIs, and SQL.
- Familiarity with TypeScript, React, and AWS.
- Strong understanding of distributed-system tradeoffs, including data modeling, API design, and performance tuning at scale.
- Deep understanding of testing and delivery practices, including pytest and CI/CD.
- Experience applying AI/LLMs to data extraction, data interrogation, and document generation.
- Ability to thrive in ambiguity, execute independently, and communicate clearly and calmly in a fast-paced startup environment.
- Authorization to work for any employer in the United States; visa sponsorship is unavailable.

## Compensation and Benefits
- Cash salary range: **$160,000–$240,000**, dependent on skills, experience, and expected contribution.
- Significant equity.
- Health, dental, and vision insurance.
- Unlimited PTO.
- 401(k) retirement savings plan.
- Learning, fitness, and commuter stipends.
- Paid holidays.

## Similar jobs

- [Senior Software Engineer, Product Platform](https://hotfix.jobs/jobs/3731f54f-2fd0-42c9-94a6-017f8f5a4573) - Lithic - Remote - $160k – $200k/yr
- [Senior Software Engineer — Distributed Compute / Spark Systems](https://hotfix.jobs/jobs/1899e92f-6da2-45da-abb0-ad8d9dafd3a8) - Granica - Mountain View, CA - $160k – $240k/yr
- [Senior Software Engineer - Backend](https://hotfix.jobs/jobs/97f20d9c-9d33-43c9-82ef-4f3238a01789) - Hinge Health - San Francisco, CA - $158k – $238k/yr
- [Senior Backend Engineer, Experimentation](https://hotfix.jobs/jobs/a65119b4-74be-49df-ac31-1dda73fd1b9c) - Launchdarkly - Remote - $163k – $224k/yr
- [Senior Backend Engineer, Flag Delivery](https://hotfix.jobs/jobs/0399e832-f779-488c-ab02-d70a3abab947) - Launchdarkly - Remote - $163k – $264k/yr

**Apply:** https://hotfix.jobs/jobs/d1a8a6f9-9697-4747-a8e6-108cc3f93e75
**Canonical:** https://hotfix.jobs/jobs/d1a8a6f9-9697-4747-a8e6-108cc3f93e75