About Blitzy

Blitzy is a Cambridge, MA based AI software development platform on a mission to revolutionize the software development life cycle by autonomously building custom software to unlock the next industrial revolution. We’re transforming how enterprises build software, turning enterprise requirements into production-ready code with an agentic software development platform that can autonomously execute 80% of the quantum of software development work. We’re backed by multiple tier 1 investors, and have proven success as founders of previous start-ups.

The Role

We are hiring a Senior Member of Technical Staff that has two responsibilities that sharpen each other: take Blitzy into territory it hasn't been tested in real, production-grade open source work at the limits of what autonomous development can do and evaluate the engineers we hire to push it further.

Everything you encounter building with Blitzy what holds up, what breaks, what's missing goes directly into the product roadmap. This is the most direct feedback loop we have.

What You’ll Own

Pushing the platform frontier

Select and build production-grade open source projects using Blitzy's autonomous development platform. The work has to be real enough to expose genuine capability limits, prototypes don't count
Document with precision where the platform holds and where it doesn't, specific failure modes, missing capabilities, incorrect assumptions and translate that into product decisions the engineering team can act on
Hold Blitzy to the standard you would apply to any production system: correctness, reliability, operational durability
Ship open source work that demonstrates what autonomous development can actually produce at the frontier

Technical evaluation

Assess Principal, Staff, and engineering candidates with the depth that level requires the difference between someone who can reason about a distributed system under failure and someone who has memorized the right things to say about one
Evaluate candidates across the full stack: backend systems, distributed infrastructure, data architecture, LLM/AI systems, and system design under real constraints
Produce structured, specific hiring feedback, the kind that makes the decision obvious, not the kind that defers it
Own the technical bar for engineering hires and evolve it as the platform grows in scope and complexity

What Success Looks Like

You ship non-trivial open source software with Blitzy and can give a precise account of what autonomous development made possible and where it required you to work around it
The platform feedback you produce drives product changes — not eventually, but because what you surface is specific enough to act on immediately
Your hiring assessments are sought out because they're consistently accurate and the reasoning behind them is traceable
You define your own work, structure it, and execute without requiring direction the output speaks for itself

What We’re Looking For

Python as primary language; Node.js and JavaScript as supporting
Microservices architecture; REST and gRPC in production
GCP required; deep hands-on experience in at least one of AWS or Azure
Kubernetes at the level where you've debugged production failures, not just deployed workloads
Terraform; infrastructure as code as a discipline, not a convenience
SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Cassandra, DynamoDB), chosen for the problem, not defaulted to
Graph databases (Neo4j) for complex relational modeling; vector databases for semantic retrieval
LLM-powered systems in production: the full lifecycle, including what happens when models behave unexpectedly at scale
LLM validation loops — evaluation pipelines, regression testing, failure analysis, built and operated, not just designed
LangSmith or equivalent at the depth where you've used it to find real bugs, not just generate traces
Full-stack: sufficient depth to make architectural decisions and debug across the stack end-to-end
Experience designing, integrating, and operating large-scale enterprise systems, including the long-term maintenance tradeoffs that only become visible after the initial build

Benefits & Perks

Competitive salary + meaningful equity
Medical, dental, and vision coverage
401(k)
Unlimited PTO
Opportunity to work directly with enterprise customers and experienced founders
Fast-paced, high-growth environment with strong career growth opportunities

Our Culture

Led by two pioneering co-founders we are one of the fastest growing companies in the U.S., creating our own category of enterprise autonomous software development. We automate thousands of hours of software development for our customers, which includes strong representation within the Fortune 500.

How we work:

We move Blitzy Fast: Time is both our company’s and our clients’ most precious asset. We move quickly and decisively to innovate internally and deliver exceptional software externally.
Championship Mindset: We operate like a professional sports team. We win as a team by holding ourselves and each other to high standards, collaborating in-person, and remaining focused on the mission.
Passion for Invention: We’re pushing the frontier of what’s possible, requiring constant innovation and iteration.
We Work for the Customer: We focus on delivering outsized value to the customers we work with and expanding those relationships into deep, meaningful partnerships.
We believe in being ‘everyday athletes’: Taking care of ourselves so we can bring our best minds to work. We promote great sleep, movement, and restorative activities for optimal mental performance. It makes for a happier and more productive team.

Senior Member of Technical Staff