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Application Site Reliability Engineer


We’re Capital on Tap 👋


💳 Capital on Tap was founded with the mission to help small business owners and make their lives easier. Today, we provide an all-in-one business credit card & spend management platform that helps business owners save time and money. Capital on Tap proudly serves over 200,000 businesses across the world and our goal is to help 1 million small businesses by 2030.

Why Join Us?


We empower you to be innovative and solve complex problems. Take ownership, make an impact, and thrive in our scaling and agile environment.🏡🏢This is a Hybrid role, the SRE team work from our London (Shoreditch) Offices 1-2 days per week.

SRE at Capital on Tap


At Capital On Tap, we run a hybrid embedded SRE model. We aim to work closely with the teams within Capital On Tap to provide them the best support. Our main objective currently is to gain as much visibility to our platform's health while offering scalable solutions.

What You’ll Be Doing


As a Site Reliability Engineer (SRE), you will ensure the reliability, performance, and availability of our applications. 
Your role includes designing, building, and monitoring systems to maximise uptime and efficiency while collaborating with the Platform teams to build reliable, scalable applications. You will also proactively address potential outages and performance issues by implementing structured monitoring and alerting.Finally, you will determine the launch of new features by using service-level agreements (SLAs) to define the required reliability of the platforms through service-level indicators (SLI) and service-level objectives (SLO) whilst working closely with the product team. 

  • Design and implement highly available and scalable systems, ensuring the reliability and performance of the company's website or application
  • Collaborate with cross-functional teams to define and establish service level objectives (SLOs) and service level agreements (SLAs) for critical systems
  • Monitor systems and applications, proactively identifying and resolving any performance bottlenecks or availability issues
  • Develop and maintain monitoring tools, alerts, and dashboards to provide visibility into system health and performance
  • Conduct post-incident analyses to identify root causes and implement preventive measures to avoid future incidents
  • Automate repetitive tasks and processes to improve efficiency and reduce manual intervention
  • Create and maintain documentation for system architecture, configuration, and troubleshooting procedures
  • Perform capacity planning and resource allocation to ensure optimal system performance and scalability
  • Collaborate with development teams to implement and deploy new features and enhancements, ensuring they meet reliability and performance standards
  • Stay up to date with industry best practices, new technologies, and emerging trends in site reliability engineering

We’re Looking For 🔎


Required skills:
  • Experience in managing a public cloud (Azure advantageous)
  • Experience in Azure DevOps, Octopus, Flux, Github or other CI/CD tools
  • Experience in Python, Powershell, C# or other scripting languages
  • Experience with Linux and Microsoft Systems
  • Excellent communication skills and ability to collaborate with multiple teams in an agile environment
  • Strong problem-solving and troubleshooting skills, with the ability to analyze and resolve complex technical issues
  • Expertise in monitoring and logging tools (Datadog advantageous)
  • Experience with Kubernetes and Containerisation
  • Experience with setting & adjusting SLOs working with product teams

Nice to have skills:

  • Experience with IaC tools such as Terraform
  • Knowledge of service mesh technologies such as Istio
  • Experience with SQL databases

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 officesCheck out more of our benefits, values and mission here.Interview Process 🤝🤝First stage: 30 minute intro and values call with Talent Partner (Video call)🤝Second stage: 45 minute CV overview with Head of department & Engineering Team Leads and/or PM (Video call)🤝Final stage: 60 minute questions and scenario-based interview with SRE Team Lead (Video call)

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.)

Life at Capital on Tap

Recently featured in the Sunday Times TechTrack 100 (number 48!), we are one of the fastest growing companies in the UK. To date, we've provided over £500M in funding to 40,000 SMEs across the UK. We invest continuously in our team and infrastructure to continuously move faster in an environment that has high energy and collaboration. Far from a beige cube-farm, our corporate headquarters in Notting Hill provides a dynamic, relaxed and fun culture. Come join the team and help us grow! WHY WE'RE DOING THIS Founded in 2012, Capital on Tap is on a mission to help small businesses thrive. We believe small business owners are the foundation for growth in our economy, and yet today's banking system has left them behind. We have partnered with over 40,000 businesses across the UK deploying funding facilities of over £500 million to customers. We believe we still have a long way to go to make business funding truly available to everyone small business.
Thrive Here & What We Value1. Private Healthcare through Vitality, Worldwide Travel Insurance through Vitality, Dental Cover through Vitality2. Anniversary Rewards (£250, £500, £750, 4-week fully paid sabbatical)3. Salary Sacrifice Pension Scheme with up to 7% match4. Dog Friendly Offices5. Free drinks and snacks in our offices6. Cycle to Work Scheme7. Enhanced Parental Leave8. Season Ticket Loan9. Private Healthcare, Worldwide Travel Insurance, Dental Cover through Vitality10. 28 days holiday (plus bank holidays)11. Free therapy sessions per year
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