Backend Engineer

HomeAbout UsQaledon and her TeamThe Qaledon NFTCareersContactFor FreelancersFAQInsightsBlog/News/Press ReleasesInvestor PortalImportant InfoLegalPrivacy Statement (UK)Cookie Policy (UK)Terms and ConditionsDisclaimerImprintContact HomeAbout UsQaledon and her TeamThe Qaledon NFTCareersContactFor FreelancersFAQInsightsBlog/News/Press ReleasesInvestor PortalImportant InfoLegalPrivacy Statement (UK)Cookie Policy (UK)Terms and ConditionsDisclaimerImprintContact Get In Touch Brief uscontact@cbfg.ioTel. +44 131 507 0301Our Office9 Western Harbour View Edinburgh EH6 6PG UKFollow usLinkedIn Backend Engineers Caledonia Financial > Technology and Development > Backend Engineers Backend Engineers Full-time LOCATION Remote and HQ in Edinburgh when required Overview We’re looking for backend engineers who like to build clean, reliable systems and understand how things connect behind the scenes. This is core infrastructure work — the pipes, not the paint. You’ll help power the next generation of financial products by writing code that is scalable, secure, and easy to maintain. Whether you’re working on payment flows, data architecture, or customer account logic, you’ll be solving real problems that affect real people. If you take pride in simplicity and getting things done, we’d like to talk. What You'll Do Design, build, and maintain backend services and APIs for Caledonia’s core platformCollaborate with product, frontend, and ops teams to ship reliable features quicklyWrite clean, well-documented code that can scale across multiple productsOptimise systems for performance, security, and resilienceHelp define backend architecture, database models, and infrastructure choicesParticipate in code reviews and technical discussions that move the work forwardContribute to a growing culture of engineering quality and thoughtful development What You'll Bring 3 or more years of backend engineering experience, ideally in a fintech or startup settingStrong knowledge of at least one backend language (Kotlin, Python, Go, Java, or similar)Experience with building APIs, working with relational databases, and designing scalable systemsUnderstanding of secure coding practices and how to protect sensitive dataA pragmatic approach to architecture and a sharp eye for what mattersComfort working in small teams where ownership is shared and autonomy is expectedWillingness to work with ambiguity and help shape technical direction as we grow About Caledonia Caledonia is a next-generation financial company focused on serving freelancers, creators, and independent professionals. We’re building adaptive, AI-powered banking infrastructure that challenges the legacy systems of the past. We are not yet a licensed EMI or bank. That’s what we are working toward — with your help. Who You’ll Work With This role reports to the Head of Engineering and works closely with product managers, frontend developers, and the founding team. You’ll be part of the team that builds and maintains Caledonia’s technical core. Apply Now Think you’re a fit? Use the form below to send us your CV and a short note about why you’re interested. We review every application personally. We’re reviewing applications on a rolling basis. Expect a quick, human response. Interested? Let’s talk. Your Name Email Phone Address What is your expected salary? CV Why this role? Why Caledonia? What should we know about you?