Quick overview
Job description
Build the core systems that keep millions of customers connected at home and abroad, with zero roaming surcharges.
- Design and ship scalable APIs for billing, roaming and eSIM provisioning
- Own reliability for critical network-facing services
- Collaborate with partnerships and product on new market launches
- Mentor engineers and raise the bar on code quality and observability
What we're looking for
- 5+ years building production backend systems
- Strong experience with distributed systems and cloud infrastructure
- Comfortable in TypeScript, Go or similar languages
- Bonus: telecom, MVNO or payments experience
Similar jobs
- JM
Senior Lead Backend Engineer (Java & Spring)Recently posted
JP Morgan Chase · london · Hybrid · Posted 13 Nov 2026 🇬🇧
SpringSpring BootJavaTechnologySalary not listed - NC
Backend Java Developer – Data Fabric / Platform EngineeringRecently posted
NextWave Consulting Ltd · london · Hybrid · Posted 13 Nov 2026 🇬🇧
DockerMicroservicesSQL+10Technology£70k - £90k/yr - TE
Senior Backend Engineer – Mortgage Platform & AutomationRecently posted
Tembo · london · Hybrid · Posted 13 Nov 2026 🇬🇧
TechnologySalary not listed - WW
Remote Backend Engineer - Ruby & GraphQL for ReposRecently posted
Wwshemi · United Kingdom · Remote · Posted 13 Nov 2026 🇬🇧
RubyGitGraphQLTechnologySalary not listed - FT
Senior Backend Engineer — AI Chat Engine (Remote)Recently posted
FDE Times · United Kingdom · Remote · Posted 13 Nov 2026 🇬🇧
GitPythonRails+1TechnologySalary not listed - W-
Senior Backend Engineer(Go), Storage PlatformRecently posted
Wolt - English · london · Hybrid · Posted 13 Nov 2026 🇬🇧
DynamoDBMicrosoft ExcelCassandra+1TechnologySalary not listed - BE
Backend Engineer (Java)Recently posted
Benifex · southampton · Hybrid · Posted 13 Nov 2026 🇬🇧
DockerGCPMongoDB+16Technology£45k - £75k/yr - NU
Senior Backend Engineer (C#/.NET) – Hybrid London | EquityRecently posted
nudge · london · Hybrid · Posted 13 Nov 2026 🇬🇧
TechnologySalary not listed - FO
Senior Backend & Data Platform Engineer — Space TechRecently posted
Foundational · london · On-site · Posted 13 Nov 2026 🇬🇧
TechnologySalary not listed - ND
Lead Python Backend Engineer – FastAPI, AWSRecently posted
NDA · london · Hybrid · Posted 13 Nov 2026 🇬🇧
PythonTechnologySalary not listed - UN
Staff Backend EngineerRecently posted
Uncapped · london · Remote · Posted 13 Nov 2026 🇬🇧
GCPMicroservicesSQL+6TechnologySalary not listed - SI
Golang Backend Engineer - Microservices, Kafka, CI/CDRecently posted
SignitiveAi Ltd. · United Kingdom · Hybrid · Posted 13 Nov 2026 🇬🇧
GoKafkaREST+1TechnologySalary not listed
