Software Engineer

AfterQuery – Software Engineer (Full-Stack, AI Infrastructure)

San Francisco (FiDi, Onsite 5 days)

Compensation: Up to $220K base + Performance Bonus (OTE $350K–$600K) + Equity

About the Company

AfterQuery is a high-growth AI infrastructure startup working directly with leading AI labs including OpenAI, Anthropic, Google, Meta, and Amazon. The company is already at 8-figure revenue with rapid growth and is becoming a key data partner for next-generation AI systems.

The founding team comes from top quantitative finance and leading technology firms, bringing deep expertise in data, infrastructure, and AI systems.

Working directly with top AI labs (OpenAI, Anthropic, Google, Meta, Amazon)

8-figure revenue with strong growth trajectory

Backed by experienced founders from Citadel Securities, Goldman Sachs, Morgan Stanley, Silver Lake

Recently raised funding with expected Series A growth ahead

Must Have Requirements (Strict)

Seniority

1+years of experience as a full-stack software engineer

Work Experience

Experience at:

VC-backed startup, OR

Reputable technical company, OR

Early-stage company as a founding or early engineer

High-growth startup experience is strongly preferred

Technical Skills

Full-stack experience with:

Next.js / React

Node.js or Python

Kubernetes

Ownership

Proven ability to build and ship products end-to-end

Strong ownership mindset

Client Interaction

Comfortable working with technical stakeholders and researchers

Location & Work Style

Onsite 5 days per week (Monday–Friday) in San Francisco (FiDi)

Availability on Sundays (remote, as needed) to support a fast-moving, high-impact environment

Nice to Have

Education

Strong academic background in Computer Science or related field

Experience at highly selective universities or rigorous technical programs is a plus

Experience

Background in AI, LLMs, or data infrastructure

Experience at companies such as Surge AI, Snorkel AI, Micro1, Mercor, or similar

Additional Technologies

Familiarity with:

Kafka

Redis

Elasticsearch

What You’ll Do

Build end-to-end AI infrastructure systems and tools

Develop full-stack applications and internal platforms

Deploy and scale systems using modern infrastructure tools

Collaborate with AI researchers and product teams

Own projects from 0 1 through production

Compensation Explanation

Base salary up to $220K

Performance-based bonus tied to output and impact

Total compensation (OTE) can reach $350K–$600K+ for top performers

Includes competitive equity

Who This Is For

Engineers who want high ownership and fast career growth

Candidates excited about cutting-edge AI systems

Builders who thrive in high-performance startup environments

Interview Process

Initial Screen (30 minutes)

Technical Interview with Engineer

Take-Home Assignment (approx. 6 hours) + Review

Onsite Work Trial (2 days in San Francisco, expenses covered)

References (if needed)

Offer