Senior Backend Engineer

🕒 May 22

🇬🇧 United Kingdom – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

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Chattermill

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2015

🤖 Artificial Intelligence

☁️ SaaS

🤝 B2B

💰 $26M Series B - Chattermill on 2022-12

Artificial Intelligence • SaaS • B2B

Chattermill is a customer experience (CX) intelligence platform that unifies feedback from surveys, reviews, support tickets, social, and voice calls and applies AI to surface prioritized, evidence-backed insights. Its AI-powered analytics automatically tags, clusters and summarizes unstructured feedback so CX, Product and Support teams can diagnose root causes, prioritize fixes, and measure impact on metrics like NPS and CSAT. The platform is delivered as a cloud SaaS product for customer-centric teams and enterprises.

📋 Description

• Design, build, and maintain scalable backend services and APIs that power Chattermill’s core analytics platform. • Architect reliable, maintainable distributed systems and contribute to the evolution of backend service design and infrastructure. • Own end-to-end delivery of backend engineering workstreams, from technical scoping and architecture through to implementation, testing, observability, and production support. • Integrate language models, agentic frameworks, and AI pipelines into core product and backend services. • Drive performance, reliability, and observability across high-throughput distributed data systems, including logging, tracing, alerting, and incident response. • Work with cloud infrastructure and distributed systems in GCP (preferred) or AWS environments. • Collaborate closely with Product to define scope, shape technical solutions, and explore new platform capabilities and features. • Contribute to engineering excellence through code reviews, architectural discussions, and continuous improvement of development standards across the team.

🎯 Requirements

• Strong professional experience operating as a senior backend engineer within high-ownership product engineering teams. • Strong proficiency in at least one modern backend language such as Python, Ruby, or Go, with a focus on scalable system design and architectural thinking. • Solid understanding of distributed systems, RESTful APIs, and event-driven architectures. • Experience optimising database performance at scale, including query tuning, indexing, and partitioning across large production datasets. • Cloud platform experience, ideally within GCP environments, although AWS experience is also valued. • Hands-on experience with observability tooling and production operations, including logging, tracing, alerting, and incident response. • Proven ability to independently deliver backend features and technical projects in fast-paced product environments.

🏖️ Benefits

• Flexible working in a choice-first environment - we trust the way you want to work! • Work-from-home allowance to set up your ideal workspace • 25 days holiday + local bank holidays, plus an extra day for each year of service • Your birthday off • Annual learning & development budget to support your growth (increasing over time) • Equity options — share in the company’s success • Monthly health & wellbeing budget, increasing with length of service • Optional private healthcare plan • Life assurance & income protection (location dependent) • Employee Assistance Programme (location dependent) for extra support when you need it • Enhanced family leave (location dependent), plus fertility and neonatal leave • Dog-friendly office with great classes, events, and a rooftop terrace (if in London)