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# Senior Backend Engineer (Node.js)

- **Company:** Companyemma
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** BigQuery, MySQL, Node.Js, Prometheus, Systems Integration, Transaction Data, TypeScript, Data Processing, Google Cloud, Grafana, Backend, Kubernetes, Sentry, React Native, React Redux, Grpc, Docker
- **Published:** September 3, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/senior-backend-engineer-nodejs/45868812

## About the Role

average of a feature per week and tons of micro-improvements that compound in making our app valuableMachine learning: we have an enormous amount of transaction data, which we are using to provide better insights to our users. Predicting when a user is going in overdraft, when a card payment is coming through or clustering a huge set of subscriptions are a few of the problems we are tacklingScaling: our services are used by millions of people. We need to keep Emma up and running smoothly. This means an intense effort and quality in the work we doSpeed: In the hyper-competitive FinTech industry what really matters is speed. If we had to compare ourselves to someone, we like to think we would be Bolt.About you:You are a software developer with at least 5 years professional experienceYou are excited by what we're building at EmmaYou thrive in environments that afford you high levels of responsibility and autonomyYou hold yourself and those you work with to
high standardsYou are driven to fulfil your potential and grow as an engineerYou take the initiative to learn new skills required to complete tasksYou behave like an owner, taking total responsibility for your work and considering the bigger pictureYou are results-oriented and avoid unnecessary tasksYou have strong opinions, weakly held, and the humility to change your mind when presented with new evidenceOur process:Take-home assessmentScreening with internal recruiterTechnical call with Senior member of the teamRecruiter syncOnsite interview with CTO & CEOOur Benefits:Vitality MembershipHealth careDental careReduced gym membershipsCashback benefits & discountsPension ContributionHoliday AllowancePaid Sick LeaveEmma Ultimate SubscriptionMacBookReferral Scheme: talented individuals and earn £1000 when they join us.Cycle to work scheme: purchase or rent a bike using salary sacrifices1 month sabbatical every 5 yearsAnnual Salary ReviewRegular socials and lunchesTo facilitate
communication, productivity and speed, we work from the office Monday to Friday. This is not a hybrid role. Please only apply if you can certainly meet this requirement.Our office address is: 1st Floor, Verse Building, 18 Brunswick Place, London N1 6DZ.May the gummy power be with you! #J-18808-Ljbffr

## Description

expect each and every team member to move fast, have ownership over their work and hold each other to a high standard.If you're not driven to own your work, execute swiftly, and innovate constantly, this isn't the right place for you.About the roleResponsibilities: You will work directly with the CTO and your focus will span different areas, with challenges related to our backend infrastructure, from scaling challenges to data processing ones. We have an intense roadmap ahead, which includes a plethora of new features and integrations, which you will be part of.Our tech stack:Languages: TypeScript, JavascriptLibraries and frameworks: gRPC, Redux, React Native, Next.jsDatastores: Vitess, MySQL, CockroachDB, BigQuery, RedisInfrastructure: Google Cloud Platform, Kubernetes, Docker, PubSub, TerraformMonitoring: Grafana, Prometheus, Sentry, MetabaseSome of our current interests lie in:Product: We are building the 1st Finance App in the UK, used by many people every day. We are shipping an


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