Staff Backend Engineer

Venturi; Greater London; Hybrid; GBP 60,000 - 120,000; Full time

Job summary

Join a forward-thinking company as a Staff Backend Engineer, where you'll be at the forefront of scaling an AI-first platform. Collaborate closely with founders and engineering leaders to design robust architectures that drive AI adoption for Fortune 500 clients. This innovative firm offers a dynamic environment, where your skills will directly impact the transformation of no-code AI workflows. Enjoy a flexible hybrid working model, generous holiday allowances, and equity options, all while tackling real-world challenges in a high-impact product-focused setting. If you're passionate about backend development and thrive in startup culture, this is the opportunity for you!

Benefits

Top 15% equity options plan

30 days holiday + bank holidays

Company-wide retreats

Flexible hybrid working

Work from anywhere for 1 month per year

Qualifications

• 5+ years of backend development experience with strong architectural skills.
• Expertise in cloud infrastructure and distributed systems.

Responsibilities

• Architect and scale backend systems for multi-tenant AI applications.
• Maintain and expand highly performant APIs for internal and B2B clients.

Skills

Backend Development

Architectural Skills

Functional Programming

Cloud Infrastructure (AWS, Terraform)

Distributed Systems

GenAI Knowledge

Tools

AWS

Terraform

Docker

Job description

This range is provided by Venturi. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

Staff Backend Engineer | AI-Powered SaaS | London (Hybrid)

We’re partnered with a top-ranked AI SaaS company backed by leading AI pioneers and a $30M+ Series A. Their platform is transforming no-code AI workflows and powering Fortune 500 enterprises worldwide.

The Role

As a Staff Backend Engineer, you'll play a critical role in scaling an AI-first platform, enabling foundation models like Gemini Pro to analyze multimodal data at scale. You'll work closely with the founders and engineering leadership to design robust, high-performance architectures that drive AI adoption at enterprise levels.

Responsibilities

• Architect and scale backend systems for multi-tenant AI applications.
• Maintain and expand highly performant APIs for internal and B2B clients.
• Build and optimize infrastructure using AWS, Terraform, and Docker.
• Ensure observability and efficient queue management.
• Ship to production multiple times a day, solving real-world user challenges.

Your Experience

• 5+ years of backend development experience with strong architectural skills.
• Experience with functional programming (Elixir, Scala, Go, Node.js, Haskell, etc.).
• Cloud infrastructure expertise (AWS, Terraform) with experience at scale.
• Deep understanding of distributed systems, orchestration, and observability.
• Knowledge of GenAI and prompt engineering is a plus.
• Passion for early-stage startups, small-team collaboration, and a customer-centric mindset.
• Top 15% equity options plan
• 30 days holiday + bank holidays (plus 1 extra day per year of service)
• Company-wide retreats & flexible hybrid working
• Work from anywhere for 1 month per year

If you’re a backend specialist who thrives in high-impact product focused environments, apply today!

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology, Other, and Engineering

• Industries

  Software Development, IT System Custom Software Development, and IT System Data Services

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