Blitzy is a Boston, MA based Generative AI Start-up on a mission to automate custom software creation and unlock the next industrial revolution. Founded by serial entrepreneurs and AI innovators, we"re backed by multiple tier 1 investors and hold dozens of Generative AI patents.

We"re creating an autonomous custom software platform that will fundamentally transform how enterprise software is developed, deployed, and maintained at scale.

About the role

We are looking for an exceptional AI Engineer to join our founding team. You will work directly with our CTO and core engineering team on developing the advanced LLM and agent systems at the heart of our platform. You will leverage your deep expertise in the LangChain ecosystem and agentic development to build systems that autonomously generate high-quality enterprise software from requirements. This role offers significant influence over our technical direction and the opportunity to solve novel challenges in LLM orchestration and agentic frameworks. If your colleagues describe you as passionate, innovative, and results-driven, you are a culture fit.

What Success Looks Like

You design and implement sophisticated agentic systems using the LangChain ecosystem that power our autonomous software development platform
You leverage your expertise with ReAct, structured outputs, tool use, and function calling to build robust agent architectures
You create LLM orchestration systems that maximize performance while optimizing costs
You develop evaluation frameworks to ensure consistent, high-quality outputs from our AI systems
You optimize our systems for production-grade reliability, scalability, and performance
You stay at the cutting edge of LLM and agent technology, bringing new approaches into our systems
You communicate complex technical concepts clearly to technical and non-technical stakeholders
You take ownership of critical components and drive them from concept to completion
You collaborate effectively with the engineering team to integrate your systems into the broader platform
You maintain a relentless focus on quality and user outcomes
You help establish best practices for LLM engineering within the company

Areas of Ownership

Our hiring process is designed for you to demonstrate deep expertise in LLM and agentic development.

Required Technical Experience:

Expert-level proficiency in Python and the LangChain ecosystem (LangChain, LangGraph, LangSmith)
Extensive experience implementing agent frameworks and concepts including ReAct, structured outputs, tool use, and function calling
Deep understanding of large language models (architectures, capabilities, limitations)
Strong experience with LLM prompt engineering and optimization techniques
Proficiency with retrieval-augmented generation (RAG) and vector databases
Experience with cloud platforms (GCP preferred) for deploying and scaling LLM applications
Strong software engineering fundamentals with a focus on building robust, maintainable systems
Knowledge of LLM evaluation approaches and metrics

Ways to stand out

Experience fine-tuning LLMs for specialized use cases
Contributions to open-source LLM or agent projects
Experience building multi-agent systems that solve complex problems
Prior experience building AI-driven developer tools or code-generation systems
Knowledge of efficient inference techniques and cost optimization for LLMs
Background in software development tools or developer productivity

You"ll Get...

Competitive Salary and Equity
Comprehensive health, dental, and vision insurance
401(k) with company match
Professional development budget
The opportunity to shape the future of software development
Work directly with and learn from exceptional technical leaders
Modern office in Cambridge"s innovation hub
Potential for publication and conference presentations (when aligned with business strategy)

Culture

Who we are: Our Co-Founder and CTO is a Serial Gen AI Inventor who grew up in Pune, India, is a BITS Pilani graduate, and worked at NVIDIA"s Pune office for 6 years. There, he was promoted 5 times in 6 years and was transferred to the NVIDIA Headquarters in Santa Clara, California. After making significant contributions to NVIDIA, he proceeded to attend Harvard for his dual Masters in Engineering and MBA from HBS. Our other Co-Founder/CEO is a successful Serial Entrepreneur who has built multiple companies. As a team, we work very hard, have a curious mind-set, and believe in a low-ego high output approach.

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.

We have a 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.

What we ask of you:

Please ask yourself if you are ready for a challenge before applying. Even in optimal conditions, Start-Ups are hard, and are always a lot of work. What you do week to week will change. If this feels exciting, not concerning, that"s a good sign.

This role requires exceptional talent and dedication. You"ll be solving novel problems and helping define the future of autonomous software development. This means you"ll need to be comfortable with ambiguity, adaptable to evolving priorities, and ready to push technical boundaries.

To apply

Apply through this posting with your resume and a brief note about why you"re interested in revolutionizing software development through AI.

Process

Here"s what you can expect:

Initial application review
Technical discussion with an engineering leader
On-site interviews with the founding team
Final conversation with the CTO
Offer and onboarding discussion

Blitzy is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

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Blitzy

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