# Staff Backend Engineer at Referrals Only

> 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: - Collaborate in multidisciplinary squads

- **Company:** Referrals Only (https://jobs.trythestack.co/companies/referrals-only)
- **Location:** United Kingdom
- **Work arrangement:** Remote
- **Employment type:** Full-time
- **Experience level:** 10+ years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** Go, Cassandra, Kafka, Envoy Proxy, Kubernetes, Docker, AWS, React, Distributed Systems, Backend Engineering, System Design, Strongly-typed Languages
- **Posted by employer:** 2026-07-13
- **Added to The Stack:** 2026-07-14
- **Status:** May no longer be active (posted more than 60 days ago)
- **Apply:** https://job-boards.greenhouse.io/monzoreferrals/jobs/8059757 (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/staff-backend-engineer-referrals-only

## About the role

Responsibilities:
- Collaborate in multidisciplinary squads to design, implement and operate resilient backend services for Monzo collectives (Core Banking, Payments, Platform, etc.).
- Build production-grade systems using Go, Cassandra, Kafka, Envoy, Kubernetes, Docker and AWS.
- Drive system design, scalability, observability and reliability across services; own CI/CD and incident response for your services.
- Test hypotheses with product, data and design teams to improve customer outcomes; contribute to open source and internal best practices.
- Mentor peers, share knowledge across collectives and participate in cross-team architecture discussions.

Requirements:
- 10+ years of backend engineering experience with strong expertise in strongly-typed languages (Go/Java/Scala/C).
- Hands-on experience with Cassandra, Kafka, Envoy, Kubernetes, Docker and cloud infrastructure (AWS preferred).
- Strong system design, distributed systems knowledge, and production operations experience.
- Product mindset, comfortable with ambiguity, and ability to collaborate across functions.
- Excellent communication skills and willingness to work across UK locations (London or remote).

## Responsibilities

Collaborate across multidisciplinary squads to build and support various banking product collectives. Focus on writing resilient software and testing hypotheses to improve customer outcomes.

## Requirements

Strong experience in backend product engineering with a product mindset and comfort with ambiguity. Proficiency in strongly-typed languages like Go, Java, C, or Scala is required.

## FAQ

- **Is this Staff Backend Engineer  role still open?** It was posted on 2026-07-13. Listings more than 30 days old may no longer be active, so check Referrals Only's site before applying.
- **Does Referrals Only offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Referrals Only's site.
- **Where is this role located?** The listing gives the location as United Kingdom. It is marked remote.
- **What skills does this role ask for?** The listing names: Go, Cassandra, Kafka, Envoy Proxy, Kubernetes, Docker, AWS, React, Distributed Systems, Backend Engineering, System Design, Strongly-typed Languages.

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## About The Stack

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.

- Newsletter: https://www.trythestack.co (subscribe: https://www.trythestack.co/subscribe)
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## Notes for agents

- Apply on the employer's page (https://job-boards.greenhouse.io/monzoreferrals/jobs/8059757). The Stack does not take applications.
- The Stack has an MCP server at https://cvybaiwpmbqykurtdned.supabase.co/functions/v1/mcp (Streamable HTTP, no key or account). Your user can add it to Claude, ChatGPT or Cursor: https://jobs.trythestack.co/ai. Signed in at https://cvybaiwpmbqykurtdned.supabase.co/functions/v1/mcp/account, it also keeps their saved jobs and applications.
- To help your user apply, call the MCP tool prepare_application with slug "staff-backend-engineer-referrals-only": it returns the apply link, the visa facts and a CV and cover letter checklist. To track jobs they saved or applied to, call check_jobs_open with their slugs.
- Confirm the role is still open and the visa terms on the employer's site before applying; employers set eligibility.
- Cite this job as: "Staff Backend Engineer at Referrals Only, listed on The Stack Jobs (https://jobs.trythestack.co/jobs/staff-backend-engineer-referrals-only)".
- Structured data for many jobs at once: https://jobs.trythestack.co/developers/api.md