Software Engineer - Full Stack

Mast is on a mission to make complex lending simple. The UK's specialist lending market is underserved by technology, with legacy systems that can't handle the nuance of complex income, niche products, or the broker workflows that specialist lenders rely on.We're building modern, cloud-native lending technology, purpose-built for specialist lenders, that helps them process more applications in less time, reach decisions faster, and deliver better experiences for brokers and borrowers.We're pioneering the use of AI in mortgage origination, building it into the platform from the ground up rather than bolting it onto legacy architecture.. We work with regulated lenders across the UK, have a 100% delivery track record, and are building a high-performance team where everyone has real ownership and direct impact.ResponsibilitiesYou'll work closely with team to support the engineering effort on the Mast mortgage origination platform. We're growing the team to be able to ship more features and onboard more clients. But we're still a small team, so everyone's expected to pitch in to all parts of the product and engineering lifecycle. We’re looking for someone who thrives under pressure, moves fast, and delivers with urgency. We rely heavily on Rails, Vue3 for more complex front-end pieces, Heroku for our infrastructure, and AWS. Our interview process is an initial phone screen, a take-home code task, and a half-day on-site (or remote) pairing session. We promise not to ask you any trick questions or make you code on a whiteboard!Work with the engineering team to ideate on and build the Mast platformWrite thoughtful, high-quality code – using TDD where possibleProactively maintain and improve our codebaseSupport product improvement drives and independently identify potential product improvementsBuild the front-end of applications through appealing visual designWork on integrations with other potential partners and on APIsTroubleshoot, debug and upgrade softwareLearn and understand our infra stack - Heroku + AWSBuild systems to automate as much of the developer experience as possibleRequirements6+ years experience in web application design and developmentStrong experience with Rails, which is at the core of our tech stack. Experience with JS front-end frameworks is a bonus, especially Vue3Strong experience creating and deploying complex web applications that are scalable, manageable and performantWillingness to pair program regularly! When you join you'll get a Tuple account for seamless remote pairingComfortable using AI tools as part of your development workflowExperience writing automated unit, integration and end-to-end tests in RSpecWorking knowledge of Unix-like operating systemsAbility to work independently in a team environmentSelf-directed with strong execution skills • Work digital-first in your daily lifeDesirableExperience of pairing, Agile, TDDKnowledge of banking/finance/fintechPrevious startup/scale-up experienceCloud computing experienceInfrastructure as code experienceExperience with DevOps culture and teams owning their infrastructureWillingness to learn new technologies in a fast-paced startup environment.Excellent communication skills to work across teams. • A pragmatic mindset, focusing on solutions that drive efficiency.Salary Range£80,000 - £90,000 + Stock OptionsPlease note that we are unable to sponsor visa applications at this time.BenefitsStock Option Plan25 days holiday + bank holidays4 - 10 weeks work from anywhere, based on tenure (for UK based roles)Vitality Health insurancePension planEquipment budgetLearning & development budgetCycle to Work SchemeMonthly team socials + Quarterly Team Meet-ups @ HQDigital-first, employee-first company with a flexible working culture + Central London HQAbout UsMast is a high-performance team of engineers and lending experts building the future of specialist lending technology. We value radical honesty, transparency, and speed. We hire exceptional people, expect a lot from each other, and offer real ownership, fast growth, and the chance to shape an industry.Mast. is an equal opportunity employer and we celebrate diversity and are committed to creating an inclusive environment for all employees.Find Jobs in United Kingdom on Arbeitnow