Senior Software Engineer

Jobtailor; Reading; On-site; GBP 70,000 - 90,000; Full time

Job summary

Jobtailor in Reading, UK is seeking a backend engineer to design and build scalable services that can grow with our ambition. You will contribute to distributed, event-driven systems for AI‑driven applications, and help craft APIs for high‑throughput workloads using Node.js/TypeScript and/or Python.

Join a team that values mentorship and technical excellence as you help orchestrate AI agent‑based systems at scale and contribute to the ongoing improvement of how we build and operate our platforms.

Qualifications

• Experience designing cloud-based back-end systems.
• Proficiency with distributed or event-driven architectures.
• Strong skills in TypeScript/Node.js and/or Python.
• Experience building scalable APIs and microservices.
• Familiarity with containers and cloud-native delivery.
• Curiosity about AI-enabled systems and scaling.
• Knowledge of LLMs or AI orchestration is a bonus.

Responsibilities

• Designing and building technology that can grow with our ambition
• Creating scalable, distributed backend services for AI‑driven applications
• Building event‑driven systems that process large volumes of behavioural data in real time
• Developing services in Node.js/TypeScript and/or Python
• Designing APIs that support high‑throughput, low‑latency workloads
• Helping orchestrate and optimise AI agent‑based systems running at scale
• Contributing to technical direction, mentoring others, and helping to continuously improve how we build and operate our platforms

Skills

Backend scalability

Distributed systems

TypeScript/Node.js

Python

APIs & microservices

Cloud-native

AI awareness

Job description

Responsibilities

• Designing and building technology that can grow with our ambition


• Creating scalable, distributed backend services for AI‑driven applications


• Building event‑driven systems that process large volumes of behavioural data in real time


• Developing services in Node.js/TypeScript and/or Python


• Designing APIs that support high‑throughput, low‑latency workloads


• Helping orchestrate and optimise AI agent‑based systems running at scale


• Contributing to technical direction, mentoring others, and helping to continuously improve how we build and operate our platforms

Requirements

• Strong backend engineering experience with cloud‑based systems (Azure, AWS or GCP)


• Experience designing distributed or event‑driven architectures (Kafka or similar)


• Proficiency in TypeScript/Node.js and/or Python


• Experience building scalable APIs and microservices


• Working knowledge of containers and cloud‑native delivery approaches


• Curiosity about AI‑enabled systems and how they scale responsibly


• Experience with LLMs, AI agent orchestration, or tools such as RAG, vector databases or LangChain is a bonus, but not essential.