# Staff Software Engineer at Raydar

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Design, implement, and ship core product

- **Company:** Raydar (https://jobs.trythestack.co/companies/raydar)
- **Location:** United Kingdom
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 5–10 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** Python, TypeScript, Full-stack development, AI voice agents, Cloud infrastructure, Event-driven systems, Kubernetes, Serverless systems, Distributed infrastructure, Asynchronous programming, API integration, Technical leadership, System architecture, Software testing, Operational quality
- **Posted by employer:** 2026-08-07
- **Added to The Stack:** 2026-08-08
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://jobs.workable.com/view/1k8216b5u84JPvvKq7axLZ/staff-software-engineer-in-london-at-raydar (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/staff-software-engineer-raydar

## About the role

Responsibilities:
- Design, implement, and ship core product features across backend (Python), frontend (TypeScript), cloud infra, and event-driven systems.
- Own customer problems end-to-end: discovery, scoping, implementation, and measuring outcomes.
- Build and improve AI voice-agent workflows to reliably operate in real-world service scenarios.
- Balance fast MVP delivery with building scalable, reliable foundations when needed.
- Raise engineering standards for testing, documentation, reliability, security, and operations.
- Mentor engineers, contribute to architecture decisions, and continue writing production code.

Requirements:
- 5–10 years of full-stack engineering experience with a strong backend emphasis.
- Production experience building and shipping AI products, preferably agentic systems.
- Strong Python and/or TypeScript skills; deep experience with asynchronous Python (coroutines, async HTTP, error handling).
- Experience with Kubernetes, serverless or distributed/event-driven architectures and cloud infrastructure.
- Early-stage startup experience and ability to engage directly with customers and non-technical stakeholders.
- Formal technical foundation (CS degree or equivalent) and strong operational quality mindset.
- Nice to have: voice AI, speech-to-text/ TTS, telephony integrations, CRM integrations, prior founder or customer-facing engineering experience.

## Responsibilities

You will build and ship core product features using Python and TypeScript while owning customer problems from discovery through implementation. Additionally, you will improve AI voice-agent workflows and establish high engineering standards for reliability and architecture.

## Requirements

Candidates must have 5 to 10 years of full-stack software engineering experience with a strong backend emphasis and production experience in AI products. A computer science degree or equivalent technical foundation is required, along with experience in early-stage startup environments.

## FAQ

- **Is this Staff Software Engineer role still open?** It was posted on 2026-08-07. Listings more than 30 days old may no longer be active, so check Raydar's site before applying.
- **Does Raydar offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Raydar's site.
- **Where is this role located?** The listing gives the location as United Kingdom. It is marked on-site.
- **What skills does this role ask for?** The listing names: Python, TypeScript, Full-stack development, AI voice agents, Cloud infrastructure, Event-driven systems, Kubernetes, Serverless systems, Distributed infrastructure, Asynchronous programming, API integration, Technical leadership, System architecture, Software testing, Operational quality.

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## Notes for agents

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