Senior Backend Engineer for AI-Driven Platform

Blitzy; Boston (MA); On-site; USD 120,000 - 180,000; Full time

Job summary

Blitzy, a Cambridge, MA based AI software platform, seeks a Senior Back End Engineer to own parts of the stack and partner with the CTO on product and strategy. You will help build the company’s foundation, culture, and practices while solving challenging problems with Generative AI tools.

If you are curious, driven, and collaborative, this role fits. Join a fast-moving team working in a hands-on, in-person environment to deliver scalable, enterprise-grade software and AI-enabled capabilities

Qualifications

• 6+ years of direct experience with Python, Terraform, and AWS is required.
• Proficiency in backend frameworks and technologies such as Node.js, NuxtJS, Express.js, or Python.
• Experience with cloud platforms including AWS, Google Cloud, Azure, or Vercel.
• Strong knowledge of programming languages such as Python, JavaScript, TypeScript, Java, C++, or Go.
• Hands-on knowledge of RPC technologies and API architectures including REST, gRPC, or GraphQL.
• Experience with relational and NoSQL databases such as SQL, PostgreSQL, MongoDB, or Firebase.
• Familiarity with CI/CD tools including Jenkins, CircleCI, GitLab, or similar platforms.
• Experience with source code versioning tools such as Git or Perforce.
• Knowledge of microservices architecture and distributed application design.
• Familiarity with AI platforms including OpenAI, Anthropic, Hugging Face, Vertex AI, Amazon Bedrock, or SageMaker.

Responsibilities

• Write review, and ship code in production that drives meaningful customer and business outcomes.
• Leverage Generative AI tools daily to improve the quality, speed, and effectiveness of both technical and non-technical work.
• Take ownership of the software you build, ensuring it delivers value in production and remains reliable and maintainable throughout its lifecycle.
• Evaluate and drive technical decisions with a long-term perspective, balancing speed, quality, security, and scalability.
• Troubleshoot and resolve complex production challenges while serving as a trusted technical resource for the broader team.
• Learn and adapt quickly to unfamiliar technologies, codebases, and domains, applying first-principles thinking and curiosity to solve complex problems.
• Create technical champions by building demos, prototypes, examples, and technical content that help developers understand and adopt new technologies.
• Collaborate closely with engineers, designers, sales executives, and other stakeholders to deliver exceptional outcomes in an in-person environment.
• Communicate openly, share the rationale behind important decisions, and actively seek feedback to keep the team aligned and moving forward.
• Champion improvements across the enterprise software development lifecycle and advocate for better ways of building, deploying, and operating software.
• Operate independently with an optimistic mindset, a high degree of accountability, and a willingness to go the extra mile to overcome obstacles and deliver results

Skills

Python

JavaScript/TypeScript

Go

C++

API design (REST/gRPC/GraphQL)

Tools

Terraform

AWS

Node.js

Express.js

NuxtJS

Google Cloud

Azure

Vercel

Git

CI/CD (Jenkins/CircleCI/GitLab)

Job description

Blitzy, a Cambridge, MA based AI software platform, seeks a Senior Back End Engineer to own parts of the stack and partner with the CTO on product and strategy. You will help build the company’s foundation, culture, and practices while solving challenging problems with Generative AI tools.

If you are curious, driven, and collaborative, this role fits. Join a fast-moving team working in a hands-on, in-person environment to deliver scalable, enterprise-grade software and AI-enabled capabilities