About this role
Salary: £62,000 - 102,000 per year
Requirements: Proven experience delivering within technical projectsDeep, hands-on experience building and running production-grade services, with regular coding experienceStrong server-side engineering skills in Kotlin or Java, with Java 21 in use, and experience building and consuming RESTful APIsProficiency with relational and/or NoSQL databases such as Couchbase, PostgreSQL, or MongoDBExperience with event-driven architectureExperience with microservice architectureExperience with contract-first APIs such as SwaggerExperience with message queuing systems such as Apache KafkaExperience with scalability and observability in an SRE/DevOps contextUnderstanding of containerization with Docker and orchestration with KubernetesFamiliarity with CI/CD tools and automated deploymentsAbility to collaborate with product, design, UI engineers, product managers, and other stakeholders to understand requirements and deliver robust backend solutionsAI experience is highly desirable but not mandatory Responsibilities: Write code and deliver high-quality backend servicesContribute regularly to production code, not only reviewing the work of othersHelp shape our architecture and technical roadmapStay up to date with GenAI developments and apply new ideas, tools, and patterns to our productsParticipate as a team player by providing thoughtful code reviews, unblocking others, and sharing knowledgeCommunicate clearly, directly, and proactively across a distributed teamWork closely with engineers across time zones and partner directly with product and platform leadership Technologies: AIBackendCI/CDCTODevOpsDockerSupportJavaKafkaKotlinKubernetesMongoDBNoSQLPostgreSQLSwaggerUX UI DesignCopilotGitHubHelmKtorOpenShiftServiceNowSpringSpring Boot More:
We are Citis CTO organisation, specifically within Developer Enablement, where we focus on innovation, developer platforms, and internal tools used across the bank. We operate like a startup inside a global bank, experimenting and shipping fast to drive productivity by streamlining and automating processes for our 30,000 engineers. This role is based in Belfast, Northern Ireland, United Kingdom, with a hybrid working model of up to 2 days working from home per week. The team is distributed across Belfast, Canada, and London, and you will work in a business casual environment with access to a competitive salary, annual review, a discretionary performance bonus, 27 days annual leave plus bank holidays, private medical care and life insurance, employee assistance, pension, paid parental leave, employee discounts, and learning and development resources. We also provide access to time-saving AI tools and support a culture of engineering craftsmanship, collaboration, and continual improvement.
last updated 36 week of 2026