jobapplier

Founding Staff Software Engineer • Python/FastAPI

Neuroscale AI

Skills

Required

  • Python
  • FastAPI
  • AWS
  • integrations / data pipelines / workflow automation
  • backend engineering
  • PostgreSQL
  • Redis
  • OpenSearch
  • Celery
  • Temporal
  • backend architecture
  • building robust REST APIs
  • working with large-scale datasets

Preferred

  • building AI-enabled products / backend systems
  • observability
  • Cursor
  • Claude Code

About Neuroscale AI

  • Neuroscale is building the AI recruiting operating system , one unified platform for your entire talent organization, from first touch to hired.
  • Arbi eliminates fragmented workflows, integrates directly with your ATS, and orchestrates AI agents for sourcing, outreach, screening, and candidate intelligence end-to-end.
  • By combining reasoning-optimized models with deep workflow automation, Arbi helps talent teams win more top candidates with dramatically less friction.
  • We’re backed by top operators and investors , and we’re growing fast.
  • Our momentum is further fueled by blue-chip partners and programs, including the NVIDIA Inception Program, the HPE Unleash AI Program, and our active DoD SBIR Phase II award and contract.

Responsibilities

  • You will work on the backbone of our platform: APIs, orchestration systems, data workflows, search infrastructure, background jobs, cloud deployment, and backend systems that power AI-enabled products for real customers.
  • You'll work closely with AI engineers, frontend devs, and product leads to build the APIs, services, and infrastructure powering our agentic workflows.
  • You’ll lead major technical efforts, make architecture decisions that scale, and help us stay fast, reliable, and resilient as our user base grows.
  • Design, build, and maintain robust backend systems that power Neuroscale AI’s core platform
  • Develop and scale REST APIs using Python and FastAPI
  • Build production-ready systems using PostgreSQL, Redis, OpenSearch, Celery, and Temporal
  • Architect and optimize systems that handle large-scale datasets and high-throughput backend workflows

Build, deploy, and maintain backend services on AWS

  • Own containerized deployments, CI/CD pipelines, and backend infrastructure reliability
  • Support integrations, data pipelines, workflow automation, and asynchronous processing systems
  • Help define backend architecture, engineering standards, observability, and performance practices
  • Work closely with product, AI, and frontend teams to deliver features that power B2B and B2C SaaS experiences
  • Mentor engineers and raise the bar on engineering quality, speed, and execution
  • Operate like an owner in a startup environment, balancing speed with sound engineering judgment
  • Contribute to AI-enabled engineering workflows and modern developer tooling, including tools such as Cursor and/or Claude Code

Requirements

  • Strong backend engineering experience with Python
  • Deep hands-on experience with FastAPI
  • Strong production experience with PostgreSQL and Redis
  • Experience using OpenSearch
  • Hands-on experience with Celery and Temporal
  • Proven experience building robust REST APIs
  • Experience working with large-scale datasets

Experience deploying and managing backend systems on AWS

  • Hands-on experience with AWS services, containers, and deployment pipelines
  • Experience building, deploying, and maintaining production systems for B2B and/or B2C SaaS
  • Experience supporting integrations, data pipelines, and/or workflow automation
  • Prior experience operating as a Staff Engineer, Lead Engineer, Founding Engineer, or Architect
  • Experience working in startup-style environments with high ownership and mentoring responsibility
  • Strong systems thinking, sound backend architecture judgment, and the ability to move from idea to production

Ability and willingness to relocate to Northern VA/DC

  • This is a hands-on role for someone who knows how to build enterprise-grade backends using modern Python/FastAPI stacks.
  • This role is ideally suited for candidates who are open to working closely with the team and are willing to relocate to Northern Virginia / Washington DC region.

Preferred

  • Have built backend platforms that became the foundation for a growing product
  • Know how to balance speed, scale, reliability, and developer experience
  • Have strong instincts around designing for maintainability, observability, and performanceEnjoy owning ambiguous problems and turning them into simple, durable systems

Can mentor others while still being deeply hands-on

  • Are excited by AI-enabled software development and modern engineering workflows
  • Want to help shape both the codebase and the culture of an early-stage company
  • Experience building AI-enabled products or backend systems that support AI workflows
  • Experience with search-heavy, data-intensive, or workflow-centric products
  • Experience in recruiting tech, HR tech, SaaS platforms, or decision-support systems
  • Experience designing backend systems for multi-tenant SaaS environments
  • Experience improving developer productivity using Cursor, Claude Code, or similar AI coding tools
  • Experience with event-driven systems, job orchestration, and resilient distributed workflows
  • Experience helping scale an early-stage engineering team
  • Experience working directly with product and leadership in a founding-stage company

Pay

Competitive salary, meaningful early-stage equity, and flexible work arrangements

Base Salary: $100K–$200K

  • Performance bonus : Quarterly bonuses tied to clear feature shipping targets
  • Equity : Meaningful early-stage equity (~0.1-0.75%) with a clear range shared during the process

Benefits

  • Join a tight-knit engineering team shipping fast and building with ambition
  • Work on products used by real-world recruiters, analysts, and decision-makers
  • Be part of a mission-driven company redefining how humans and AI collaborate

Flexible work arrangements

  • Zero bureaucracy, high trust, and a strong culture of ownership and technical excellence
  • The opportunity to join as a founding backend engineering leader and help define the technical core of Neuroscale AI
  • Significant ownership over architecture, tooling, and backend platform decisions
  • Direct exposure to company leadership and the ability to influence product direction
  • A chance to build systems that matter from day one rather than inheriting legacy architecture
  • The pace, autonomy, and impact of a startup, with meaningful room for growth
  • The ability to help shape how AI-native products are built and delivered in production
  • A seat at the table as we scale our product, team, and engineering culture
  • Benefits: Medical, dental, vision, 14-days of PTO accrued annually
  • Learning : At least $2,000 per year for courses, events, books, and growth communities
  • Tools and setup : New macbook pro, monitor, and a monthly tools budget to run the stack you want
  • Flexibility : Flexible hours, in-person.
  • Growth path : Clear, fast-track path to an Engineering Lead as we scale the team

Equal Opportunity

  • Neuroscale is an equal opportunity employer.
  • We celebrate diversity and are committed to creating an inclusive environment for all employees.
  • We welcome applicants from all backgrounds, identities, and walks of life — including but not limited to race, gender, age, religion, sexual orientation, and disability status.