Site Reliability Engineer - Data

Posted 7/28/2026 · last confirmed live 8/26/2026

We’re Capital on Tap 👋 💳 Capital on Tap started because small businesses were underserved. Big banks were slow, their products weren't fit for purpose, and small business owners often couldn't access what they needed. We set out to fix that. Today we're a financial platform - not just a credit card company. We offer a best-in-class business credit card, SME-focused spend management platform, a savings product that hit £1 billion in funds within its first year, and a growing suite of tools and financial products that make running a small business easier.  1,000+ employees, £20bn in annual card spend, 200,000+ customers, 17,000+ Trustpilot reviews averaging 4.7 stars, and we're profitable. We’ve done a pretty good job so far, but we’re just getting started!  📍London, Old Street | 🏢 2 Days in Office SRE at Capital On Tap 🌞 At Capital On Tap, we run a hybrid embedded SRE model - We aim to work closely with the teams to provide them the best support. As a Site Reliability Engineer (SRE) you will help ensure our platforms are fast, reliable, and scalable. You’ll design, build, and monitor systems, preventing issues before they happen.  You will be embedded in the Data teams, being Data Platform who works alongside business teams, assisting with the ingestion and exports, model deployments and data warehouse management, and Database Engineering who are responsible for the maintenance and enhancement of the OLTP platform, based around SQL Server and MongoDB clusters, whilst also assisting software developers with data architecture, data transformation and performance tuning. What you’ll be doing 🗃️ Manage and automate resources in Azure, Datadog, NGINX & Cloudflare. Develop, deploy and monitor Kubernetes and Serverless resources. Build, manage, and evolve IAC using Terraform, Helm and Go CRDs. Improving systems, processes, and technologies; consulting with stakeholders to enhance platform performance. Design and maintain comprehensive monitoring and alerting strategies using Datadog. Getting involved in new application architecture & design processes. Designing solutions to reduce toil, automate repetitive tasks and streamline workflows to reduce manual work and boost team productivity. Creating SLIs and SLOs; increasing application visibility Align with the Product team on SLAs and core service objectives Collaborating with core foundational teams to build and maintain reusable, automated solutions. Optimising CI/CD pipelines and developer workflows using Azure DevOps, Github, Octopus Deploy, MirrorD, and Flux. Leading incident response; taking an active part in communications, investigations, remediation and post-mortems to protect customer experience. Help design and build systems that improve the reliability, resiliency and maintainability of our data systems and products. Provide assistance and support to other teams focused on database related applications methodologies and system resources. Our Values & Culture Just Pilot: We never settle for “good enough”. We pilot new ideas fast, ask questions to figure it out, and scale quickly. Why Not Today? Fast is as slow as we go - speed and simplicity gives us a competitive advantage. Be a Buddy: We tap in from day one to help the team, we do the right thing even if it’s hard. Owners and Dates: We don’t chase people. If you own a task and agree to a date, the expectation is that it gets done. Feedback: We want our employees to flourish, so we regularly provide direct and constructive feedback. What are we looking for 🔍 Experience managing public cloud environments. Proficient in contributing to IaC technologies involving expertise in writing, managing, and optimising infrastructure with tools such as Terraform. Experience using CI/CD tools, building pipelines, templates and troubleshooting. Proficient with containerisation technologies such as Kubernetes and Docker. Experience working with a cloud monitoring solution. Proficiency in at least one scripting language such as Python, PowerShell, Go. Great communication skills with the ability to collaborate effectively. Experience with Data Warehouses or similar. Experience with Snowflake or other DBMS platforms. Expert in database fundamentals and SQL. Even if you don’t have all of the necessary skills, we still encourage you to apply. Interview process 🤝 First stage : 30 minute intro and values call with Talent Partner Second stage : 60 minute CV overview and technical chat with the SRE Team Lead and the SRE & Platform Engineering Manager Third stage : 75 minute technical exercise & questions with the SRE Lead  Final stage : 30 minute chat with the Lead DBA & Lead Data Platform Engineer Diversity & Inclusion 🌈 We welcome, consider and encourage applications from anyone who shares our commitment to inclusivity. Join us in creating a space where authenticity thrives, and everyone can do their best work. Great Work Deserves Great Perks We try not to take ourselves too seriously (all the time) so we make sure our office is decked out with a pool table, arcade machine, beer tap, and a couple of office dogs thrown in for good measure. Check out our benefits: 🏥 Private Healthcare including dental and opticians services through Vitality ✈️ Worldwide travel insurance through Vitality 🎁 Anniversary Rewards (£250, £500, £750, 4-week fully paid sabbatical) 👛 Salary Sacrifice Pension Scheme up to 7% match 🏖️ 28 days holiday (plus bank holidays) 📖 Annual Learning and Wellbeing Budget 👪 Enhanced Parental Leave 🚲 Cycle to Work Scheme 🚂 Season Ticket Loan 💬 6 free therapy sessions per year 🐶 Dog Friendly Offices 🍫 Free drinks and snacks in our offices Check out more of our benefits, values and mission here .   Other Info 👍Check out our  ‘Top Tips’ for interviewing. ✔️Keep updated on new job opportunities by following us on Linkedin . 📧Email careers@capitalontap.com if you have any questions. Excited to work here? Apply! If you’d like to progress your career within our fast growing, profitable fintech then click apply and we will aim to get back to you within 3 working days (during busy periods this could take up to 5 working days.)

This role is published by Capital on Tap on greenhouse. SwiftFit is not the employer and does not accept applications.