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# Software Engineer

- **Company:** Accountancy Action
- **Location:** Hertford, UK
- **Experience:** Expert
- **Salary:** £90,000.0
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Amazon Web Services, Cloud Computing, Databases, Distributed Systems, Node.Js, NoSQL, Software Architecture, SQL Databases, Data Streaming, Systems Integration, Web Services, WebSocket, WebRTC, Real Time Systems, Large Language Models, Backend, Event Driven Architecture, Restful APIs, Terraform, Web Api
- **Published:** May 17, 2026
- **Apply:** https://find.jobs/jobs-near-me/software-engineer-hertford-hertfordshire/2775105859-2/

## About the Role

* Strong experience building backend systems with Node.js (5+ years)
 * Proven experience designing scalable APIs and distributed systems
 * Familiarity with real-time or event-driven architectures (e.g. WebSockets, queues, streaming)
 * Experience with cloud platforms (AWS preferred)
 * Solid understanding of databases (SQL and/or NoSQL)
 * Experience integrating with external APIs and third-party services
 * Strong problem-solving skills and ability to thrive in a fast-paced environment

Desirable Skills

 * Experience with voice or telephony systems (e.g. SIP, WebRTC)
 * Exposure to AI systems, LLMs, or conversational workflows
 * Experience in healthcare or regulated environments
 * Knowledge of infrastructure-as-code (e.g. Terraform, CDK)
 * Experience with observability, monitoring, and scaling production systems

## Description

We are seeking an experienced Backend Software Engineer to help build and scale the core infrastructure behind an AI voice platform. You will work on real-time systems that manage high volumes of concurrent interactions, integrate with healthcare systems, and orchestrate AI-driven workflows., * Design and develop scalable backend services for real-time voice AI systems

 * Build APIs and services that power conversational workflows and integrations
 * Work on event-driven architectures handling telephony, streaming, and AI responses
 * Integrate with third-party systems and external platforms
 * Optimise system performance, reliability, and latency
 * Contribute to architectural decisions, infrastructure design, and engineering best practices


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