Application Site Reliability Engineer

📍 Job Overview

• Job Title: Application Site Reliability Engineer
• Company: Capital on Tap
• Location: London, United Kingdom
• Job Type: Hybrid (2 days per week in the office)
• Category: DevOps, Site Reliability Engineering
• Date Posted: June 17, 2025

🚀 Role Summary

• Key Responsibilities:
  • Design, build, and monitor systems to maximize uptime and efficiency
  • Collaborate with platform teams to build reliable, scalable applications
  • Proactively address potential outages and performance issues
  • Implement structured monitoring and alerting to prevent incidents
  • Define service-level agreements (SLAs) and service-level indicators (SLIs) to ensure reliability
  • Work closely with the product team to launch new features

💻 Primary Responsibilities

• Design and Implement Highly Available and Scalable Systems: Ensure the reliability and performance of the company's website or application by designing and implementing highly available and scalable systems.
• Collaborate with Cross-Functional Teams: Define and establish service level objectives (SLOs) and service level agreements (SLAs) for critical systems by collaborating with cross-functional teams.
• Monitor Systems and Applications: Proactively identify and resolve any performance bottlenecks or availability issues by monitoring systems and applications.
• Develop and Maintain Monitoring Tools: Provide visibility into system health and performance by developing and maintaining monitoring tools, alerts, and dashboards.
• Conduct Post-Incident Analyses: Identify root causes and implement preventive measures to avoid future incidents by conducting post-incident analyses.
• Automate Repetitive Tasks: Improve efficiency and reduce manual intervention by automating repetitive tasks and processes.
• Create and Maintain Documentation: Ensure optimal system performance and scalability by creating and maintaining documentation for system architecture, configuration, and troubleshooting procedures.
• Perform Capacity Planning: Ensure optimal system performance and scalability by performing capacity planning and resource allocation.
• Collaborate with Development Teams: Implement and deploy new features and enhancements while ensuring they meet reliability and performance standards by collaborating with development teams.
• Stay Up to Date with Industry Best Practices: Stay informed about industry best practices, new technologies, and emerging trends in site reliability engineering.

🎓 Skills & Qualifications

Education: A relevant degree or equivalent experience in a related field.

Experience: Proven experience in managing a public cloud, preferably Azure.

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
• Expertise in monitoring and logging tools (Datadog advantageous)
• Experience with Kubernetes and containerization
• Experience with setting and adjusting SLOs working with product teams

Preferred Skills:

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

📊 Web Portfolio & Project Requirements

Portfolio Essentials:

• Demonstrate experience in managing a public cloud and implementing CI/CD pipelines
• Showcase problem-solving skills and incident management processes
• Highlight experience with monitoring tools and alerting systems
• Display expertise in Kubernetes and containerization

Technical Documentation:

• Provide code quality, commenting, and documentation standards
• Include version control, deployment processes, and server configuration
• Demonstrate testing methodologies, performance metrics, and optimization techniques

💵 Compensation & Benefits

Salary Range: Competitive salary based on experience and industry standards for site reliability engineers in London.

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 offices

🎯 Team & Company Context

🏢 Company Culture

Industry: Fintech, focusing on small business credit card and spend management.

Company Size: Medium-sized, with over 200,000 businesses served worldwide and a goal to help 1 million small businesses by 2030.

Founded: 2012, in London, United Kingdom.

Team Structure:

• Embedded SRE model working closely with platform teams
• Hybrid work environment with 1-2 days per week in the office

Development Methodology:

• Agile and scaling environment, empowering innovation and problem-solving
• Collaborative culture with cross-functional teams and continuous learning

Company Website: Capital on Tap

📝 Enhancement Note: Capital on Tap's mission and culture emphasize empowering small business owners and fostering innovation, collaboration, and continuous learning.

📈 Career & Growth Analysis

Web Technology Career Level: Mid-level site reliability engineer role with a focus on system design, monitoring, and incident management.

Reporting Structure: Embedded within platform teams, working closely with team leads and other SREs.

Technical Impact: Significant influence on system reliability, performance, and availability, ensuring optimal user experience and business continuity.

Growth Opportunities:

• Technical leadership and architecture decision-making opportunities
• Specialization in emerging technologies and trends in site reliability engineering
• Career progression paths within the growing fintech company

📝 Enhancement Note: Capital on Tap's fast-growing and profitable nature presents numerous career growth opportunities for site reliability engineers.

🌐 Work Environment

Office Type: Hybrid, with 1-2 days per week in the office located in Shoreditch, London.

Office Location(s): London, United Kingdom.

Workspace Context:

• Collaborative workspace with a focus on team interaction and knowledge sharing
• Access to development tools, multiple monitors, and testing devices
• Dog-friendly offices with a relaxed and casual work environment

Work Schedule: Flexible working hours with project deadline and maintenance window considerations.

📝 Enhancement Note: Capital on Tap's hybrid work arrangement and flexible working hours emphasize work-life balance and employee well-being.

📄 Application & Technical Interview Process

Interview Process:

1. First stage: 30-minute intro and values call with a talent partner (video call)
2. Second stage: 45-minute CV overview with the head of the department, engineering team leads, and/or product managers (video call)
3. Final stage: 60-minute questions and scenario-based interview with the SRE team lead (video call)

Portfolio Review Tips:

• Tailor the portfolio to showcase experience in managing public clouds, CI/CD pipelines, and incident management
• Highlight problem-solving skills and technical expertise in monitoring tools and alerting systems
• Include examples of Kubernetes and containerization experience

Technical Challenge Preparation:

• Familiarize yourself with Azure DevOps, Octopus, Flux, GitHub, or other CI/CD tools
• Brush up on Python, PowerShell, C#, or other scripting languages
• Prepare for problem-solving and incident management scenarios

ATS Keywords: (Comprehensive list of web development and server administration-relevant keywords for resume optimization, organized by category)

• Programming Languages: Python, PowerShell, C#, Azure DevOps, Octopus, Flux, GitHub
• Web Frameworks & Libraries: N/A
• Server Technologies: Linux, Microsoft Systems, Kubernetes, Containerization
• Databases: SQL Databases
• Tools: Monitoring Tools, Datadog, IaC Tools, Terraform, Service Mesh Technologies, Istio
• Methodologies: Agile, Scrum, CI/CD, Site Reliability Engineering
• Soft Skills: Problem-solving, Troubleshooting, Communication, Collaboration, Incident Management
• Industry Terms: Public Cloud Management, Azure, SLOs, SLAs, IaC, IaC Tools, Terraform, Kubernetes, Containerization, Monitoring Tools, Datadog, Service Mesh Technologies, Istio

📌 Application Steps

To apply for this site reliability engineer position at Capital on Tap:

1. Submit your application through the application link provided
2. Tailor your resume to highlight relevant skills and experience in managing public clouds, CI/CD pipelines, and incident management
3. Prepare a portfolio showcasing your experience in monitoring tools, alerting systems, and Kubernetes/containerization
4. Familiarize yourself with Capital on Tap's company culture, mission, and values
5. Research the company's fintech industry context and small business focus

⚠️ Important Notice: This enhanced job description includes AI-generated insights and web development/server administration industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.