Senior Backend Software Engineer

San Francisco / Bay Area remote Until 8/21/2026 First posted March 18, 2026 Last posted March 18, 2026
Job description

At Sentra we embarked on an exciting journey to build a one-of-a-kind company memory to help growing startups overcome scaling challenges. At Sentra, we've developed a true AI teammate that understands an organization's context, goals, and culture - offering both ICs and leaders unprecedented transparency into what's happening across the company and strategic alignment.

Sentra is backed by a16z and Together Fund, working with leaders from the top tech companies in the valley. Our goal? To never let a company lose itself as it gets bigger.

What you’ll do

  • Build and ship scalable backend/platform systems

  • Develop LLM agents that integrate with large datasets

  • Take ownership in a fast-paced, early-stage environment

  • Learn quickly and adapt to evolving challenges

What we’re looking for

  • Strong backend and platform engineering experience (3+ years)

  • Ability to work independently, learn quickly, and move fast (we are a startup)

  • Experience with Python, AWS, SQL databases, API development

  • Bonus: experience working with LLMs, agentic frameworks, and RAG

What we offer

  • Competitive salary and equity

  • Free meals on in-office days

  • UberEats credits

  • Health insurance coverage (medical, dental, and vision)

  • Equinox and other fitness/wellness memberships

  • Transportation stipend

  • Flexible time off

Competitive pay, equity, and perks/benefits for a seed-stage startup.

Compensation (from employer):
$150K – $300K • 0.3% – 0.8%

About this role

Summary

Build scalable backend systems, develop large language model integration, and own projects in a startup environment

Job title

Senior Backend Software Engineer

Experience level

3+ years

Industry

software

Location requirements

San Francisco / Bay Area, remote work not specified

Salary

$150K – $300K • 0.3% – 0.8%

Management role

No

Skills & keywords

Required skills

pythonawssqlapi

Preferred skills

llmagentic frameworksrag

Specializations

backendplatformllmapiaws
Locations

Structured locations inferred from the posting.

Unknown location

Remote

San Francisco, CA, USA

On-site City