Staff Software Engineer

Tiro Partners Limited; City Of London; On-site; GBP 150,000 - 250,000; Full time

Job summary

Tiro Partners have been engaged by an exciting startup that has secured significant investment to scale its engineering team. You will build and ship core product features across the stack for AI voice agents serving trades businesses, shaping how the product works and how customers are engaged.

The role is onsite in Central London, paying £150-250K base plus equity. You will work in a backend-leaning full-stack capacity with Python or TypeScript, collaborating with customers to scope solutions

Qualifications

• 5–10 years in full-stack software engineering (backend-leaning) with AI product background.
• Hands-on experience shipping AI products and agentic systems.
• Proficiency in Python or TypeScript, with asynchronous production code.
• Experience at an early-stage startup (Series A or earlier).
• Familiarity with cloud infrastructure, Kubernetes, serverless, distributed systems.
• Bonus: voice AI, event-driven systems, or CRM integration.
• Not suited for large established companies or traditional ML/Data Science backgrounds.

Responsibilities

• Build and ship core product features across the stack.
• Work on the stack comprising Python, TypeScript, cloud infrastructure and integrations.
• Collaborate with customers to understand needs, scope solutions, and deliver end-to-end.
• Help shape how the company works, engages customers, and scales operations.
• Deliver robust production-grade software with strong reliability and observability.
• Contribute to architecture discussions and help mentor junior engineers.

Skills

Python

TypeScript

Async programming

Full-stack engineering

AI product development

Customer-facing engagement

Tools

Kubernetes

Serverless

CRM integration

Job description

Tiro Partners have been engaged by an exciting start up who have received significant investment to scale the team with 4 staff level engineers. The company is building AI voice agents that help trades businesses run smoother, scale faster, and deliver better customer experiences.

This is a genuine ground up opportunity. You won't just be shipping code you'll be helping shape how the company works, how it engages customers and how it scales.

You will be building and shipping core product features across the stack which comprises of Python, TypeScript, cloud infrastructure, event-driven systems, and third-party integrations you will also be working directly with customers to understand their needs, scope solutions, and see them through to delivery.

The role is paying £150-250K on the base + Equity but for that you will be required onsite 5 days in Central London

Experience Required:

5–10 years in full-stack software engineering (backend-leaning), with a strong AI product development background.

You have built and shipped AI products end-to-end real, hands-on experience with agentic systems.

You're a strong full-stack engineer in Python or TypeScript, with serious async Python, comfortable with async coroutines and handling errors properly in production async code

Experience at an early-stage startup (Series A or earlier) is highly deirable

Comfortable with modern cloud infrastructure, Kubernetes, serverless, distributed systems

Bonus points for voice AI, event-driven systems, or CRM integration experience, and a track record of working directly with customers.

This isn't going to suit people from large established companies or people with traditional ML/Data Science backgrounds unfortunately.