Senior Software Developers

Opus Recruitment Solutions Ltd • TRAFFIC • Cambridgeshire, Cambridge, United Kingdom • 1d ago

Location: Cambridge (3 days/week on-site)Contract Rate: Up to £590/day (Inside IR35)Start Date: October 2025Job Type: ContractOverview: We're hiring experienced and passionate Senior Software Developers to join a cutting-edge AI Core Services team in Cambridge. This is a unique opportunity to help shape the future of AI infrastructure by building scalable, secure, and cloud-native platform services and APIs that will power AI adoption across a global client portfolio.You'll work in a fast-paced, agile environment with a start-up mindset-rapid prototyping, continuous improvement, and a strong focus on production-grade delivery.What You'll Be Working On:

Designing and developing AI-enabling platform services and public APIs
Building secure, scalable, and standards-compliant cloud-native solutions
Collaborating within a Scrum team to deliver innovative AI capabilities
Driving rapid prototyping and iterative development cycles

AI & Cloud Expertise:

Hands-on experience with Large Language Models (LLMs) and understanding of performance vs. cost trade-offs
Familiarity with Retrieval-Augmented Generation (RAG), agent orchestration, prompt engineering, and tool calling
Knowledge of AI standards like Model Context Protocol (MCP) and Agent2Agent (A2A)
Strong grasp of ML algorithms: regression, classification, clustering, deep learning
Awareness of AI ethics and regulations (e.g., NIST AI RMF, EU AI Act)
Skilled in using AI tools like GitHub Copilot and prompt engineering for development tasks
Experience with orchestration tools such as AI Foundry or Semantic Kernel
Exposure to automated testing and evaluation of AI outputs
Proficiency in Python, PyTorch, and TensorFlow

Core Engineering Skills:

Proven experience in software engineering, ideally in platform or cloud-native service development
Strong background in Microsoft Azure and PaaS services (e.g., Azure Functions, AKS, API Management)
Expertise in RESTful API design, versioning, and lifecycle management
Deep understanding of API security, authentication/authorization, and data privacy
Excellent problem-solving skills and ability to propose scalable solutions
Agile team experience, with strong collaboration across global R&D teams
Ability to mentor junior developers and foster a culture of innovation
Solid experience with AI frameworks and Python development

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