Senior Software Engineer, Applied AI

5+ years of experience as a software engineer

Must be able and willing to come to the office once per week (typically Thursdays)

Experience implementing features within production-grade AI or ML systems, including integrating LLMs or generative AI models into applications

Hands-on experience with ML frameworks such as PyTorch, TensorFlow, or HuggingFace Transformers

Familiarity with model deployment workflows, evaluation techniques, or MLOps concepts

Understanding of responsible AI development and basic AI safety considerations

Experience contributing to AI development platforms, internal ML tooling, or experimentation workflows

Exposure to agentic frameworks such as ReAct, AutoGen, LangChain, or Semantic Kernel

Familiarity with prompt engineering, fine-tuning, RAG architectures, or LLM optimization techniques

Experience working with cloud AI/ML services (AWS Bedrock, GCP Vertex AI, Azure ML)

Familiarity with full-stack technologies such as Ruby on Rails, GraphQL, or React—especially for integrating AI capabilities into existing systems

Compensation Bands: Seattle, WA, Boston, Washington DC, or Austin, TX

$190K – $230K • Offers Equity Options

#LI-HM1

Health (medical, vision, dental), life, and disability insurance

Equity stock options

Retirement plans

Paid public holidays and unlimited PTO

Paid maternity and parental leave

Leaves of absence (including caregiver leave and leave under CO's Healthy Families and Workplaces Act)

Employee Assistance Program

Eligibility may differ by country

We're committed to building a global team! For certain roles outside the United States, India, the U.K., and the Netherlands, we partner with Remote.com as our Employer of Record (EOR).

Visa/work permit sponsorship is not available.

Employment at HackerOne is contingent on a background check.

HackerOne is an Equal Opportunity Employer in the terms and conditions of employment for all employees and job applicants without regard to race, color, religion, sex, sexual orientation, age, gender identity or gender expression, national origin, pregnancy, disability or veteran status, or any other protected characteristic as outlined by international, federal, state, or local laws.

This policy applies to all HackerOne employment practices, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, compensation, benefits, training, and apprenticeship. HackerOne makes hiring decisions based solely on qualifications, merit, and business needs at the time.

For US based roles only: Pursuant to the San Francisco Fair Chance Ordinance, all qualified applicants with arrest and conviction records will be considered for the position.