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Senior Backend Engineer

Join Blitzy as a Senior Backend Engineer to shape the future of autonomous software development with a dynamic team.

Location
Cambridge, MA, United States
Compensation
Not disclosed
Level
senior
Type
full time

Posted by employer 23 hours ago

First seen on Joblaze 15 hours ago

Last verified on the company career page 15 hours ago

Apply at Blitzy → Save job Scanned from blitzy.com

What you'll build

  • Write, review, and ship code in production
  • Leverage Generative AI tools daily
  • Take ownership of the software you build
  • Troubleshoot and resolve complex production challenges
  • Collaborate closely with engineers, designers, and other stakeholders

Must have

  • 6+ years of direct experience with Python, Terraform, and AWS
  • 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

Nice to have

  • 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
  • Demonstrated ability to build and scale enterprise-grade applications with 99%+ service-level availability
  • Advanced proficiency in Python, Terraform, and GCP

AI in the day-to-day

Leverage Generative AI tools daily to improve the quality, speed, and effectiveness of both technical and non-technical work.

Requirements

Experience
6+ years

Not disclosed in this posting: compensation, work arrangement, visa sponsorship.

Joblaze summary

In the role of Senior Backend Engineer at Blitzy, the individual will be responsible for developing and maintaining critical software components while collaborating closely with the founding team. Key skills include expertise in Python, Terraform, and AWS, along with experience in backend frameworks and cloud platforms. This position is ideal for seasoned engineers with a strong background in building scalable applications and a proactive approach to problem-solving. Blitzy's fast-paced environment emphasizes innovation and teamwork, making it suitable for those who thrive in dynamic settings.

Joblaze insights

  • Listed today — first seen on Joblaze October 15, 2026. Last confirmed on Blitzy's careers page October 15, 2026.
  • This exact title is also open at 1 other location at Blitzy: Cambridge, MA.
  • Python appears in 40% of 492 comparable senior backend roles in United States; Vertex AI appears in 0.2% of 492 comparable senior backend roles in United States.

Quick facts

How much experience is required?
At least 6 years of relevant experience for this Senior Backend Engineer role.
What's the tech stack?
Joblaze extracted these technologies from the posting: AWS, Amazon Bedrock, Anthropic, C++, CircleCI, Express.js.
What seniority level is this role?
Blitzy targets senior candidates for this position.
Is this full-time or contract?
Full-time for this Senior Backend Engineer role at Blitzy.

From the original posting

Our Culture

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.

About the Role

We are looking for a Senior Back End Engineer to join our team and take ownership of different parts of our stack. You will be working alongside our CTO on all aspects of the current product and future product development. You will work directly with the founding team and leverage your experiences and abilities to inform decisions from product, technology, and strategy. You will help us build the foundation of this company: its culture, its processes, and its practices. There are a ton of interesting problems to solve, so come hungry. If your colleagues describe you as curious, driven, kind, and creative you will be a culture fit.

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

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

  • Demonstrated ability to build and scale enterprise-grade applications with 99%+ service-level availability

  • Advanced proficiency in Python, Terraform, and GCP

Standard company text repeated across Blitzy's postings is omitted here.

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