Senior Full-Stack Engineer

Human Agency; United States; Hybrid; USD 100,000 - 140,000; Full time

Benefits offered by this job

Cutting-edge projects

Collaborative environment

Career growth opportunities

Job summary

Human Agency is seeking a Senior Full-Stack Engineer to develop AI-integrated SaaS applications. Responsibilities include backend algorithm development, secure PDF workflows, and collaboration with AI/ML teams to enhance application functionality. The ideal candidate is proficient in Python and Ruby on Rails, experienced in integrating generative AI tools, and has a strong understanding of RAG techniques. Join a cutting-edge team in a collaborative and inclusive environment that values diversity.

Qualifications

• Proficiency in Python and Ruby on Rails with backend experience.
• Experience designing secure systems and encryption workflows.
• Expertise in integrating generative AI tools into SaaS applications.
• Knowledge of RAG techniques and vector databases.

Responsibilities

• Develop backend algorithms for predictive text generation.
• Create secure workflows ensuring compatibility with Adobe Acrobat.
• Collaborate with AI/ML teams for model operationalization.
• Establish CI/CD pipelines for software delivery.

Skills

Proficiency in Python

Ruby on Rails

Backend experience

Integrating generative AI tools

RAG techniques

React or Vue

Tools

OpenAI APIs

LangChain

Hugging Face

Snowflake

Pinecone

Weaviate

Job description

Location: US or Canada
Type: US Applicants - Full-Time; Canadian Applicants - Independent Contractor

SENIOR FULL-STACK ENGINEER

Responsibilities

• SaaS Application Development
  • Detection
    • Develop backend algorithms to process articles, chunk content, and integrate with LLMs for predictive text generation.
    • Build APIs and services to manage and scale the application’s content workflow.
  • Protection
    • Create secure PDF upload workflows with encryption to ensure compatibility with Adobe Acrobat.
    • Integrate authentication mechanisms like Okta for enterprise customer admin management.
    • Enable data recovery, auditing capabilities, and enterprise-grade administrative tools.
• AI/ML and Algorithm Development
  • Collaborate with AI/ML teams to operationalize models such as OCR and generative AI-based solutions (e.g., GPT models).
  • Implement RAG use cases using vector databases and data embedding techniques to enhance application functionality.
  • Design workflows for large-scale data processing that enable efficient AI integrations and create dynamic AI-first features, such as custom GPTs tailored to enterprise needs.
• DevOps & Operationalization
  • Establish CI/CD pipelines and formal release structures for software delivery.
  • Conduct security evaluations to identify vulnerabilities and optimize performance across AI-driven SaaS applications.
  • Manage infrastructure and workflows for custom AI solutions, including tools like Snowflake and LangChain.
• Future-Focused Development
  • Build integrations and proof‑of‑concept applications leveraging company‑specific datasets and AI technologies.
  • Evaluate and implement tools for classification, indexing, and secure data management that incorporate the latest in generative AI advancements.
  • Support the development of enterprise‑grade AI solutions, including internal AI models and custom LLMs.

Requirements

• Core Technical Skills
  • Proficiency in Python and Ruby on Rails, with significant backend experience.
  • Experience in designing secure systems, including encryption workflows and document protection mechanisms.
  • Hands‑on expertise in integrating generative AI tools, such as OpenAI APIs, LangChain, or Hugging Face frameworks, into SaaS applications.
  • Strong knowledge of RAG techniques, vector databases (e.g., Pinecone, Weaviate), and embedding pipelines.
  • Ability to operationalize AI/ML models and build workflows for enterprise clients.
  • Frontend development experience in modern frameworks (e.g., React, Vue), with the ability to assess and recommend appropriate tech stacks.
• Nice‑to‑Have Skills
  • Computer vision and OCR expertise, especially for processing and indexing complex document workflows.
  • Experience with authentication systems (e.g., Okta) and enterprise administrative tools.
  • Experience in DevOps, CI/CD pipelines, and secure release management.
  • Background in security evaluations, vulnerability assessments, and tool integrations.
• Other Requirements
  • Strong testing background with experience in automated and manual testing.
  • Ability to manage data recovery, audits, and compliance workflows.
  • Strong problem‑solving and analytical skills, with attention to detail in complex environments.
  • Excellent communication skills and the ability to work collaboratively across teams.

Why Join Us?

• Be part of a cutting‑edge team solving complex problems in AI and SaaS development.
• Work on impactful projects with enterprise clients and cutting‑edge technologies.
• Grow your career in a collaborative, innovative, and supportive environment.

Human Agency is an Equal Opportunity Employer. We value diverse backgrounds and strive to build an inclusive culture where everyone feels welcomed and empowered.