Senior Software Engineer

Randstad Technologies Recruitment; City Of London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A recruitment agency is looking for a Senior Software Engineer to join an Applied AI team in London. This hybrid role focuses on delivering production-grade code and architecting autonomous AI workflows. Key responsibilities include developing AI-powered systems to enhance sales workflows and ensuring the performance of distributed systems. The ideal candidate has strong expertise in Python, Angular, and a background in MLOps. This position is urgent, and applicants are encouraged to submit their CVs directly.

Qualifications

• Strong proficiency in Python for AI/ML workflows.
• Deep understanding of RAG architectures.
• Experience moving LLM-based prototypes into production environments.

Responsibilities

• Design and deploy AI-powered systems that enhance sales workflows.
• Build scalable backend services and applications.
• Collaborate with teams to define requirements and deliver tools.

Skills

Python for AI/ML workflows

Angular (primary frontend)

LangChain

LangGraph

Indexify

Expert-level SQL

MLOps

Distributed systems knowledge

Tools

Docker

Kubernetes

Vertex AI

BigQuery

Vector databases (Pinecone, Weaviate)

Job description

Senior Software Engineer

Location: London (Hybrid) | Contract Duration: 6 months

Join a specialized Applied AI team driving innovation in business operations. The group accelerates AI transformation by developing agentic systems and full‑stack infrastructure to automate workflows and drive efficiency.

We're seeking a Senior Software Engineer (L5) to deliver production‑grade code while architecting autonomous AI workflows. This role combines technical expertise, product thinking, and scaling AI solutions across complex systems, working in a small agile team within a larger engineering organization.

Key Responsibilities

• Design, develop, and deploy AI‑powered systems that enhance global sales workflows.
• Build scalable backend services and full‑stack applications for internal teams.
• Architect, implement, and optimize LLM orchestration frameworks and RAG‑based solutions.
• Collaborate with cross‑functional teams to define requirements and deliver innovative tools.
• Ensure reliability, scalability, and performance of distributed systems handling massive datasets.
• Deploy and monitor ML models in production environments using Vertex AI, Docker, and Kubernetes.

Required Skills & Experience

• Strong proficiency in Python for AI/ML workflows.
• Strong proficiency in Angular (primary frontend); React optional.
• Hands‑on experience with LangChain, LangGraph, and Indexify, with a deep understanding of RAG architectures.
• Expert‑level SQL and experience with BigQuery and vector databases (Pinecone, Weaviate, Vertex AI Search).
• Proven track record in MLOps and deploying ML models at scale.
• Experience moving LLM‑based prototypes into production environments with thousands of users.
• Background in building internal tooling, CRM enhancements, or sales‑tech solutions.
• Startup/innovation team experience with a "zero‑to‑one" mindset, combined with corporate grit (processes, ticketing, documentation).
• Strong knowledge of distributed systems and high‑availability APIs.

Preferred Qualifications

• Experience in B2B or enterprise software environments.
• Ability to define product requirements and deliver end‑to‑end solutions.

We're seeking passionate engineers who thrive in fast‑moving, innovative environments and are eager to build AI‑driven systems at scale. This is an urgent vacancy—please apply directly to the ad or send your CV to (url removed).

Randstad Technologies is acting as an Employment Business in relation to this vacancy.