# Senior 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: - Work in a cross-functional squad to desi

- **Company:** Referrals Only (https://jobs.trythestack.co/companies/referrals-only)
- **Location:** United Kingdom
- **Work arrangement:** Remote
- **Employment type:** Full-time
- **Experience level:** 5–10 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** Backend Engineering, Distributed Systems, Resilient Software, Go, Java, C, Scala, Cassandra, Kafka, Kubernetes, Docker, Envoy Proxy, AWS, GCP, React, System Design
- **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/8059754 (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/senior-backend-engineer-referrals-only

## About the role

Responsibilities:
- Work in a cross-functional squad to design, implement and maintain backend services that power Monzo products.
- Build reliable, testable systems using Go/Java/Scala and platform tools (Cassandra, Kafka, Envoy, Kubernetes, Docker, cloud).
- Collaborate with product, design and data teams to deliver customer-focused features and run experiments.
- Participate in on-call rotations, incident response and post-incident improvement work.
- Share knowledge, contribute to engineering practices and assist with hiring and onboarding.

Requirements:
- 5–10 years backend engineering experience with strong proficiency in strongly-typed languages (Go, Java, C, or Scala).
- Practical experience with distributed systems, system design, and production operations (Kafka, Cassandra, Kubernetes, Docker, cloud).
- Product-oriented mindset, comfortable operating in ambiguity and iterating quickly.
- Good communication skills and ability to work across UK locations (London or remote).

## Responsibilities

Collaborate within a cross-functional squad to build and support specific parts of the in-house banking platform. Focus on creating resilient backend services and contributing to a product used by millions of customers.

## Requirements

Requires strong experience in backend technology and proficiency with strongly-typed languages like Go, Java, or Scala. Candidates should possess a product mindset and be comfortable working with distributed systems in an ambiguous environment.

## FAQ

- **Is this Senior 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: Backend Engineering, Distributed Systems, Resilient Software, Go, Java, C, Scala, Cassandra, Kafka, Kubernetes, Docker, Envoy Proxy, AWS, GCP, React, System Design.

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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/8059754). 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 "senior-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: "Senior Backend Engineer at Referrals Only, listed on The Stack Jobs (https://jobs.trythestack.co/jobs/senior-backend-engineer-referrals-only)".
- Structured data for many jobs at once: https://jobs.trythestack.co/developers/api.md