Senior Software Engineer in Southall

Location: London (Three days in office, two days wfh)

Salary: £80,000 to £100,000 + Bonus

My client is seeking a Senior Software Engineer to lead our cloud infrastructure and DevOps practices within the Developers' Team. They are primarily a Professional Services firm serving customers in the Blockchain space, where technology enables greater efficiency and delivers solutions that aren't feasible otherwise.

While our team builds data pipelines and reporting tools that enable accountancy teams to work efficiently, this role spans cloud infrastructure, data platform engineering, and AI tooling. You'll manage our Snowflake environment and contribute to our Claude Enterprise observability alongside your core AWS and DevOps responsibilities. Beyond keeping systems running, we expect you to identify improvements, take ownership of them, and actively upskill colleagues, raising the team's collective capability as we grow.

• Cloud Infrastructure & DevOps (Primary Focus)
• Own and manage our AWS infrastructure, acting as the team's DevOps expert
• Be one of the leaders in the migration toward microservices and ephemeral architecture
• Lead in infrastructure as code in sync with our Senior colleagues
• Establish and maintain CI/CD pipelines for the team's data and application projects, in particular for stg/prod
• Lead the implementation of monitoring, logging, and alerting systems to ensure reliability in our solutions
• Collaborate in the management and optimisation of our observability dashboards, ensuring platform health is visible and actionable across the team
• Take ownership of our Snowflake environment: access controls, cost governance, performance, and data organisation
• Collaborate in the management and governance of Claude Enterprise, including usage policies, integrations, and secure usage to the firm
• Manage cloud security, IAM policies, and compliance requirements
• Provide infrastructure support and guidance to team members working on data pipelines and applications
• Troubleshoot infrastructure and deployment issues
• Team Leadership & Mentorship
• Mentor other developers on DevOps practices, cloud architecture, infrastructure concepts, and explore Ops AI tooling. Do it jointly with other senior members and with a genuine investment in colleagues' growth
• Support and encourage team members in deploying and managing their data pipelines and applications
• Conduct code and infrastructure reviews
• Develop and share best practices for cloud-native development
• Foster a collaborative learning environment within the team
• Contribute to technical documentation
• Proactively identify improvements to tooling, processes, and platform quality. Propose them clearly and take ownership through to delivery
• Collaboration & Technical Enablement
• Enable the team to build and deploy data pipelines efficiently by providing templates and guidance on infrastructure
• Work with colleagues to understand their infrastructure needs and provide solutions
• Translate infrastructure requirements into scalable, maintainable solutions
• Communicate technical concepts clearly to both technical and non-technical stakeholders
• Collaborate with accountancy teams to ensure data platform reliability and performance

• 5+ years of software engineering experience with a significant cloud infrastructure focus
• Understanding of networking, security, and cloud best practices
• Hands-on experience with AWS services
• Experience with AI and Snowflake
• Proficiency with infrastructure as code tools
• Experience designing and implementing CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins, or similar)
• Solid understanding of containerization and orchestration (Docker, Kubernetes, ECS)
• Experience with monitoring and observability tools (CloudWatch, Datadog, Prometheus, or similar)
• Proficiency in bash
• Experience supporting development teams with infrastructure and deployment needs
• Knowledge of microservices architecture and serverless patterns

• Experience working in teams outside the realm of Software Engineering
• Demonstrated experience mentoring or managing junior Engineers
• Strong communication skills with both technical and non-technical audiences
• Ability to provide clear technical guidance and support
• Pragmatic approach to balancing technical delivery with business needs

• 5+ years of software engineering experience with a significant cloud infrastructure focus
• Understanding of networking, security, and cloud best practices
• Hands-on experience with AWS services
• Proficiency with infrastructure as code tools
• Experience designing and implementing CI/CD pipelines (GitHub Actions, GitLab CI, Jenkins, or similar)
• Solid understanding of containerization and orchestration (Docker, Kubernetes, ECS)
• Experience with monitoring and observability tools (CloudWatch, Datadog, Prometheus, or similar)
• Hands-on experience managing Snowflake: warehouses, RBAC, cost controls, and query performance
• Proficiency in bash
• Experience supporting development teams with infrastructure and deployment needs
• Knowledge of microservices architecture and serverless patterns

• Python experience for infrastructure automation and tooling
• Familiarity with data pipeline infrastructure (supporting ETL workloads, data warehousing) and experience with Snowflake or a comparable cloud data warehouse
• Experience with data governance and compliance requirements
• Cloud cost and resource utilisation optimisation
• Experience migrating from monolithic to microservice architectures
• Experience deploying or governing enterprise AI tooling (Claude Enterprise, Copilot, or similar), particularly around secure rollout, usage policies, and MCP integrations

• Opportunity to shape and own the technical infrastructure
• Small, collaborative team environment where your expertise will have a direct impact
• Opportunity to create and develop solutions that are new, be impactful